JP5559663B2 - Jig for forming water-stop portion of folded-plate roof material and method for manufacturing water-stop portion of folded-plate roof material - Google Patents

Description

  The present invention relates to a jig for forming a water stop portion of a folded plate roof material and a method for manufacturing the water stop portion of the folded plate roof material.

  Conventionally, it has been known that a water stop face stop (water stop face door) is installed at the water upper end of the folded board roof material as a means for preventing rainwater and the like from entering the ridge of the folded board roof. Yes. However, the sealing surface of the water-stopping surface deteriorates over time, and rainwater or the like may gradually enter the ridge portion of the folded-plate roof. Therefore, in addition to the installation of the water stop surface door, the water upper end portion may be bent so as to rise substantially vertically by bending, and the water stop portion may be formed at the water upper end portion.

  In recent years, various water-stopping part forming jigs for forming a water-stopping part at the water-side end of the folded roof material as described above have been proposed.

  For example, the groove bottom portion of the water-side end portion of the folded plate roof having a substantially V-shaped cross section is inserted between the base plate and the pressing member, and the tip of the water-side end portion is brought into contact with the regulating member. There has been proposed a water stop part forming jig that can be bent so as to raise the groove bottom part by operating the handle to form a water stop part at the water upper end (for example, Patent Document 1). reference).

Japanese Utility Model Publication No. 6-20700

  However, in the conventional water stop portion forming jig, when the groove bottom portion is bent, the water stop portion forming jig abuts only on the groove bottom portion of the water upper end, and the peaks on both sides of the groove bottom portion are It did not contact the half of the body. Therefore, although the groove bottom portion at the water upper end can be bent so as to be bent at a substantially right angle, the water stop forming jig does not come into contact with the mountain halves on both sides of the groove bottom. It may become difficult to act, and it may be difficult to form a water stop portion having a predetermined shape. In particular, in order to increase the wind pressure strength, bend with a conventional water-stop forming jig for folded-plate roofing materials with complex shapes that have locking portions on the mountain halves on both sides. Even if processed, there is a problem that it is difficult to form a water stop portion that can stably prevent intrusion of rainwater and the like.

  As described above, even if an attempt is made to form a water stop at the water upper end of the folded roof material with a conventional water stop forming jig, it may be necessary to apply a large force to bend. , It took time and effort to process.

  The present invention has been made in view of the above points, and does not take time and labor to process a folded roof material having a high strength and a complicated shape, and the groove bottom portion on the water-side end portion and both sides thereof. It aims at providing the manufacturing method of the water stop part of the folded-plate roof material which can form a water-stop part in this mountain part half body, and the water stop part of a folded-plate roof material.

  A jig for forming a still water portion of a folded-plate roof material according to the present invention has a groove bottom portion at the water-side end of the folded-plate roof material and mountain halves on both sides thereof standing on the surface side of the folded-plate roof material. A water stopping part forming jig for forming a water stopping part by raising the holding part, having a pressing part, a bottom part, and a pair of protrusions provided on both outer sides of the pressing part, An insertion gap for inserting the groove bottom portion of the water-side end is formed by facing the bottom, and the protruding portion is a state in which the groove bottom of the water-side end is inserted into the insertion gap. The groove bottom portion of the water-side end inserted into the insertion gap by rotating the pressing portion and the bottom portion is positioned on the surface side of the mountain half and the surface of the folded plate roofing material It is formed so as to be in contact with the surface of the half portion of the mountain when bent up to the side.

  Moreover, it is preferable that the water stop part forming jig according to the present invention is configured such that the protrusion is provided with a scratch preventing material.

  Moreover, it is preferable that the water stop part formation jig | tool which concerns on this invention is formed by the front-end | tip part of the said protrusion part being formed in circular arc shape.

  Further, the manufacturing method of the water-stop portion of the folded-plate roof material according to the present invention is a method of manufacturing the water-stop portion of the folded-plate roof material by using any one of the above-mentioned folded-plate roof material. Then, by inserting the groove bottom portion of the water-side end portion into the insertion gap, and then rotating the jig to the surface side of the folded plate roof material, the projecting portion is placed on the surface of the mountain half The water stop portion is formed by bending and raising the groove bottom portion of the water-side end portion and the mountain half halves on both sides thereof while being in contact with each other.

  The jig for forming the waterstop portion of the folded plate roof material of the present invention is a groove bottom portion at the water-side end without taking time and labor to process even a folded plate roof material having a high strength and a complicated shape. And a water stop part can be stably formed in the mountain part half body of the both sides.

An example of embodiment of the water stop part formation jig | tool of the folded-plate roof material of this invention is shown, (a) is the front view, (b) is the side view, (c) is the top view. It is a perspective view which shows an example of the folded-plate roof material bent by the jig for water-stop part formation of the folded-plate roof material of this invention. The use condition of the water stop part formation jig | tool of this invention is shown, (a) is a perspective view which shows just before bending a folded-plate roof material, (b) is a perspective view which shows the middle of bending, (c) is bent (D) is a perspective view showing a state at the end of bending. It is a perspective view which shows an example of the water stop part of the folded-plate roof material manufactured using the jig | tool for water-stop part formation of the folded-plate roof material of this invention. It is a perspective view which shows the construction example of the folded-plate roof material same as the above. It is sectional drawing which shows the construction example of the folded-plate roof material same as the above. It is a perspective view which shows the construction example of the folded-plate roof material same as the above. It is a perspective view which shows another example of the folded-plate roof material bent by the jig for water-stop part formation of the folded-plate roof material of this invention. It is a perspective view which shows the construction example of the folded-plate roof material same as the above. It is a front view which shows an example of other embodiment of the jig for water stop part formation of the folded-plate roof material of this invention. It is a front view which shows an example of other embodiment of the jig for water stop part formation of the folded-plate roof material of this invention.

  Hereinafter, modes for carrying out the present invention will be described.

  As shown in FIG. 1, a jig A for forming a still water portion of a folded plate roof material according to the present invention includes a pressing portion 1, a bottom portion 2, and a pair of protruding portions 3 provided on both outer sides of the pressing portion 1, 3 and the pressing part 1 and the bottom part 2 are opposed to each other, thereby inserting the groove bottom part 41 of the water-side end part 46 of the folded roof material 40 as shown in FIG. 4 is formed.

  Hereinafter, the details of the jig A for forming the water stop portion of the folded plate roof material will be described.

  As a member that can be used as the pressing portion 1, for example, a metal member having a substantially U-shaped cross section as shown in FIG. 1 can be used, and a wall portion 1a formed by raising both ends of the metal member upward. And the flat plate portion 1b. Moreover, the lowermost part of the foremost surface of the flat plate portion 1b in the pressing portion 1 is a tip base point portion 1c, which is a portion serving as a base point when the folded plate roof material is bent.

  In addition, as the holding | suppressing part 1, it is not limited only to the above-mentioned substantially U-shaped cross-section metal member, For example, a pair of cross-section substantially L-shaped metal member can also be provided in the both ends of a flat plate, respectively.

  The bottom portion 2 is provided below the flat plate portion 1b in the pressing portion 1, and is provided so that the flat plate portion 1b and the bottom portion 2 face each other substantially in parallel. As the bottom portion 2, for example, a metal member having a substantially U-shaped cross section as shown in FIG. 1 can be used, and a leg portion 2a and a flat bottom 2b formed by projecting both ends of the metal member downward. Consists of. Alternatively, as the bottom portion 2, a flat metal member may be used instead of a substantially U-shaped cross section.

  In addition, the length of the vertical direction of the wall part 1a and the leg part 2a is not specifically limited, It can adjust suitably to predetermined length.

  Further, an insertion gap 4 for inserting the groove bottom portion 41 is formed between the pressing portion 1 and the bottom portion 2, and a spacer portion 5 is provided to form the insertion gap 4. Can do.

  As the spacer portion 5, for example, a rectangular flat metal plate can be used as shown in FIG. The rectangular flat metal plate is used as the spacer portion 5, and the pressing portion 1 is fixed to the upper surface and the bottom portion 2 is fixed to the lower surface, so that the pressing portion 1 and the bottom portion 2 are arranged to face each other and the spacer portion 5. An insertion gap 4 is formed on the front side. An opening 4 a is formed at the front end of the insertion gap 4. Further, the spacer portion 5 is fixed to the pressing portion 1 and the bottom portion 2 so as to be arranged at the rear portion of the pressing portion 1 and the bottom portion 2. Specifically, the spacer portion 5 is adjusted so that the distance (indicated as D in FIG. 1) between the restriction portion 5a which is the front end of the spacer portion 5 and the tip of the bottom portion 2 (or the pressing portion 1) is 50 to 200 mm. It is good to provide. If D is within this range, when the water stop portion 39 is formed by bending with the water stop portion forming jig A of the present invention, the water stop portion can be formed at a desired height.

  Since the height of the insertion gap 4 corresponds to the thickness of the spacer portion 5, the height of the insertion gap 4 is formed at a predetermined interval by changing the thickness of the spacer portion 5. The height of the insertion gap 4 may be formed to such an extent that the groove bottom 41 of the folded plate roofing material 40 can be inserted. For example, it is 1-10 mm wider than the thickness of the groove bottom 41 of the folded plate roofing 40. It is good to form so that it becomes.

  As described above, the pressing portion 1, the bottom portion 2, and the spacer portion 5 are not necessarily provided with individual members, but may be configured with only one member. For example, a member having a pressing part 1, a bottom part 2 and a spacer part 5 provided by a member having a substantially U-shaped side section can be used.

  Furthermore, in the water stop part formation jig | tool A of the folded-plate roof material 40 of this invention, a pair of protrusion parts 3 and 3 are provided in the both outer sides of the holding | suppressing part 1. FIG. As shown in FIG. 1, the protrusions 3, 3 can use, for example, a substantially L-shaped member in plan view, and the protrusions 3, 3 on both outer sides of the wall portions 1 a at both ends of the pressing part 1. By fixing the three fixing portions 3a and 3a respectively, the protruding portions 3 and 3 are formed so as to protrude outward in a substantially vertical direction with respect to the outer surfaces of the wall portions 1a at both ends of the pressing portion 1. Become. The edge of the lower end of the protrusions 3 and 3 is inclined upward toward the tip. Further, the lower end portions of the protrusions 3 and 3 are side base point portions 3b, which are portions that serve as base points when the inclined portion 43 of the folded plate roof material 40 is bent. The pair of projecting portions 3 and 3 may be installed so that the distance from the tip of the pressing portion 1 is the same or different.

  Further, the protruding lengths L1 and L2 of the pair of protruding portions 3 and 3 from the wall portion 1a can be the same (L1 = L2). Alternatively, when the slopes of the mountain halves 42a and 42b on both sides of the folded plate roof material 40 are different from each other, L1 and L2 are different from each other so as to correspond to such a folded plate roof material 40. (L1 ≠ L2).

  Moreover, in the water stop part formation jig | tool A of the folded-plate roof material 40 of this invention, as shown in FIG. 1, the handle 6 for performing rotation operation of the water stop part formation jig | tool in a bending process. Can be provided. The said handle | steering-wheel 6 can adhere to the back part of the upper surface of the holding | suppressing part 1, for example, can use a metal pipe member. Although the length of the handle | steering-wheel 6 is not specifically limited, For example, if it is 70-100 cm, it is suitable for workability | operativity of a bending process. For the same reason, the handle 6 is preferably attached at an angle of 0 to 45 ° (θ shown in FIG. 1) with respect to the perpendicular direction of the pressing portion 1.

  In the jig A for forming a water stop portion of the folded plate roof material 40 according to the present invention, the water stop portion 39 can be formed for various types of the folded plate roof material 40. In particular, the bending time and labor of the folded plate roof material 40 having a high strength and a complicated shape, which is difficult to be bent by the conventional waterstop forming jig, is reduced. The water stop part 39 can be stably formed in the groove bottom part 41 of the water-side end part 46 of the roof material 40 and the mountain half halves 42a and 42b on both sides thereof.

  As such a folded plate roofing material, as shown in FIG. 2, for example, locking portions 44 and 45 are respectively provided on the mountain half halves 42a and 42b on both sides of the groove bottom 41 in order to increase the wind pressure strength. The thing of the complicated shape which is provided in two or more places is mentioned. The folded plate roof material 40 is formed by bending a metal plate such as a coated steel plate or a galvanized steel plate, and is formed long in the slope (flow direction) of the roof. Moreover, the folded-plate roof material 40 is formed in the cross-sectional substantially U shape, and is provided with the groove bottom part 41 and the peak part half bodies 42a and 42b which protrude toward diagonally upward from the both side edge parts. Has been. A pair of step portions 41a and 41a are formed in the groove bottom portion 41 over substantially the entire length in the longitudinal direction of the folded plate roofing material 40 by bending and processing.

  One peak portion half body 42a includes an inclined portion 43 projecting obliquely upward from one side end of the groove bottom portion 41 (on the opposite side to the groove bottom portion 41), and outward from the upper end of the inclined portion 43. The top part 23 protrudes substantially horizontally toward (the opposite side to the groove bottom part 41), and the fitting part 24 having a substantially U-shaped cross section that protrudes upward from the end of the top part 23. The other peak half body 42b is formed with an inclined portion 43 projecting obliquely upward from one side end of the groove bottom portion 41 (on the opposite side to the groove bottom portion 41), and outward from the upper end of the inclined portion 43. The top part 23 protrudes substantially horizontally toward the (opposite side of the groove bottom part 41), and the fitted part 25 having a substantially L-shaped cross section that protrudes upward from the end of the top part 23. .

  And the latching | locking parts 44 and 45 are provided in the inclination part 43 of the peak part half bodies 42a and 42b. The locking portions 44 and 45 are formed so that a part of the inclined portion 43 is bent in a step shape and protrudes to the back side thereof. Further, one locking portion 44 can be formed above the central portion in the vertical direction of the inclined portion 43, and the other locking portion 45 is formed below the central portion in the vertical direction of the inclined portion 43. can do. Moreover, the latching | locking parts 44 and 45 can be formed over the full length of the elongate direction of the folded-plate roof material 40. FIG.

  The water-stop part 39 of the folded-plate roof material 40 is manufactured using the jig A for forming the water-stop part of the folded-plate roof material of the present invention shown in FIG. How to do will be described.

  First, the opening 4a at the front end of the insertion gap 4 of the water stop forming jig A and the end surface 41b of the groove bottom 41 of the water-side end 46 are opposed to each other, as shown in FIG. The groove bottom 41 of the water-side end 46 is inserted into the insertion gap 4. The water-side end portion 46 is a portion located on the ridge side when the folded-plate roof material 40 is constructed to form the folded-plate roof 55.

  As described above, when the groove bottom portion 41 of the water-side end portion 46 is inserted into the insertion gap 4, the end surface 41b of the groove bottom portion 41 faces the restriction portion 5a of the spacer portion 5 of the water stop portion forming jig A. It contacts so that it may hit, and, thereby, the position of the groove bottom 41 can be regulated.

  On the other hand, in the state of FIG. 3A, the pair of protrusions 3, 3 of the water stop forming jig A are the surfaces near the lower locking portions 45, 45 formed on the inclined portions 43, 43, respectively. It is located on the side with a slight gap. The protrusions 3 and 3 may be positioned on the surface side near the locking portions 44 and 44 above the inclined portions 43 and 43.

  Next, as shown in FIG. 3B, when the upper end of the handle 6 of the water stop portion forming jig A is rotated toward the water side of the folded roof material 40, the holding portion 1, the bottom portion 2, Are rotated integrally, and the tip base point portion 1c of the pressing portion 1 is brought into contact with the surface of the groove bottom portion 41 of the folded roof material 40. When the handle 6 is further rotated downward about the distal end base point portion 1c of the pressing portion 1, the groove bottom portion 41 is gradually bent from the point of contact with the distal end base point portion 1c. Is launched upwards.

  When the handle 6 is further rotated to the lower side of the folded roof material 40 as described above, the side base points 3b and 3b of the projecting portions 3 and 3 become the groove bottom as shown in FIG. 41 abuts on the surface side of the inclined portions 43 on both sides of 41. In this state, when the handle 6 is further rotated to the lower side of the folded-plate roof material 40, the contact point of the side base points 3b and 3b becomes a base point, and the mountain portion of the folded-plate roof material 40 The step portions 41a and 41a, the locking portions 44 and 45, and the inclined portions 43 and 43 in the half bodies 42a and 42b are also bent so as to rise upward.

  Then, the handle 6 is further rotated to the underwater side of the folded plate roof material 40, and is rotated to a position as shown in FIG. 3D, for example, and then the folded plate roof material 40 is inserted from the insertion gap 4. The bending process is finished by extracting the groove bottom 41, and the water stop part 39 as shown in FIG. 4 is manufactured. The groove bottom portion 41 is in a state of rising substantially vertically so that the water-side end surface 41b faces upward, and the end surface 41b is arranged in parallel to the width direction. Further, the pair of step portions 41a and 41a, the inclined portions 43 and 43, and the locking portions 44 and 45 formed in the groove bottom portion 41 are also in a state of rising so that their end faces face upward. In this way, the groove bottom portion 41, the step portions 41a and 41a, the locking portions 44 and 45, and the inclined portions 43 and 43 of the folded plate roof material 40 are bent and risen in a series to produce the water stop portion 39. Is done.

  The rising height (H in FIG. 4) of the water stop portion 39 is substantially equal to the distance D between the restriction portion 5a and the tip of the bottom portion 2 in the water stop portion forming jig A. Therefore, the rising height H of the water stop part 39 can be formed to a desired value by appropriately adjusting D in the water stop part forming jig A.

  As described above, when the folded plate roof material according to the present invention is bent with the water stop portion forming jig A and raised upward, the end surface 41b of the groove bottom portion 41 of the folded plate roof material 40 faces the regulating portion 5a. Then, the leading end base portion 1c of the pressing portion 1 abuts on the upper surface of the groove bottom portion 41 of the folded plate roofing material 40, and then the side reference point portions 3b and 3b of the protruding portions 3 and 3 are also folded plates. It becomes possible to contact the surface sides of the inclined portions 43 and 43 on both sides of the groove bottom portion 41 of the roof material 40. Therefore, since the force for starting up the groove bottom 41 of the folded-plate roof material 40, the end surface 41b of the groove bottom 41, and the several inclined portions 43, 43 is applied, it is possible to start up easily. The water stop portion 39 can be formed in the groove bottom portion 41 of the water-side end portion 46 and the mountain half portions 42a and 42b on both sides of the water-side end portion 46 with less time and labor required for processing.

  Next, when the folded-plate roof material 40 which is bent by the water-stop forming jig A of the folded-plate roof material 40 of the present invention and is formed with the water-stopped portion 39 is constructed, the folded-plate roof 55 is formed. An example of

  As described above, the folded-plate roof material 40 formed with the water-stopping portion 39 is provided with a water-stopping surface door 65 for preventing rainwater and the like from entering under the water and the wind blowing from the water-side. Each apron face door 66 is attached to the surface side of the folded roof material 40. Specifically, as shown in FIG. 5, a water stop surface door 65 having a substantially inverted trapezoidal cross section is attached to the underwater side of the water stop portion 39 so as to be substantially perpendicular to the groove bottom portion 41. Similarly, an apron face door 66 having a substantially inverted trapezoidal cross section is attached substantially vertically to the groove bottom 41 on the underwater side. When attaching the waterproofing surface door 65 to the folded-plate roof material 40, sealing can be given in order to improve water-stopping. On the other hand, when the apron face door 66 is attached to the folded roof material 40, sealing is not performed, and there is a slight gap between the groove bottom 41 and the apron face door 66. The distance between the water stop portion 39 and the water stop surface door 65 and the distance between the water stop surface door 65 and the apron surface door 66 can be appropriately adjusted.

  As described above, the folded plate roof material 40 in which the water stop portion 39 is formed and the water stop surface door 65 and the apron surface door 66 are provided on the lower side of the water stop portion 39 is attached to a roof base such as a main building. In this installation, a plurality of tight frames B as shown in FIG. 6 are fixed on the roof base of the building by welding or the like, and the tight frame B is disposed so as to cover the folded roof material 40 from above ( In FIG. 6, the water stop part 39, the water stop surface door 65, and the apron surface door 66 are abbreviate | omitted). At this time, the formed water stop portion 39 is arranged so as to be located on the ridge side. Then, the groove bottom portion 41 of the folded plate roof material 40 is positioned between the adjacent fixed protrusions 26, 26 of the tight frame B attached to the roof base, and the top of the roof base or the fixing portion 49 of the tight frame B is placed. Placed on. In addition, one ridge half 42a of the folded-plate roof material 40 and one fixed protrusion 26 adjacent thereto are connected and close to the other ridge half 42b of the folded-plate roof 40. The other fixed projection 26 is connected. In this case, the upper engaging portion 44 provided on the inclined portion 43 is engaged with the tip (lower end) of the upper engaging portion 47 provided on the fixed protrusion 26, and the lower engaging portion provided on the inclined portion 43. The stop 45 is locked to the tip (lower end) of the lower engaging portion 48 provided on the fixed protrusion 26. In this way, the mountain-side halves 42a and 42b on both sides of the folded-plate roof material 40 are locked and held on the tight frame B. Further, the top 23 of the mountain half 42 b on which the fitted portion 25 of the folded plate roof material 40 is provided is arranged above the top 50 of the fixed protrusion 26.

  Next, another folded plate roof material 40 different from the above is installed on a plurality of roof bases arranged in parallel in the inclination direction of the roof. Here, the folded plate roof material 40 newly constructed is disposed adjacent to the existing folded plate roof material 40, and thereby the folded plate roof materials 40, 40 are adjacent to each other. Moreover, the fitting part 24 of the mountain part half body 42a nearer to the existing folded plate roof material 40 of the folded plate roof material 40 to be newly constructed is connected to the mountain part half body 42b of the existing folded plate roof material 40. It fits into the fitted part 25 from above. Thereby, the to-be-fitted part 25 of the existing folded-plate roof material 40 is located inside the fitting part 24 of the newly-folded folded-plate roof material 40. The fitting part 24 is bent and locked to the lower side of the fitted part 25 of the existing folded-plate roof material 40. In this way, the adjacent mountain half halves 42a and 42b are connected to each other by joining the mountain half halves 42a and 42b of the adjacent folded plate roof materials 40 and 40 by gouge fastening to form a mountain ridge. . Next, by laying the plurality of folded-plate roof materials 40, 40,... Sequentially connected in this manner, as shown in FIG. It can be formed as a series. And when all the folded-plate roof materials 40 are laid, as shown in FIG. 7, the folded-plate roof 55 in the state which the water stop part 39 of each folded-plate roof material 40 faces each other on both sides of the ridge part 51, as shown in FIG. Is formed. And the ridge wrap 60 is made into the ridge part 51, the water stop parts 39, 39, ... of each folded-plate roof material 40, the water stop face doors 65, 65, ..., the apron face doors 66, 66, ... The folded plate roof 55 is formed by placing the folded plate roof material 40 so as to cover all of the above and perpendicular to the inclined direction of the folded plate roof material 40.

  In the folded plate roof 55 constructed according to the above-described procedure, the water stop portion 39 is formed on the water upper side of the water stop surface door 65. Therefore, even if the sealing property of the water stop surface door 65 deteriorates with the passage of time and rainwater or the like enters the water upper side of the water stop surface door 65, the water stop portion formed by the water stop portion forming jig A of the present invention. 39 can stably prevent intrusion of rainwater or the like into the ridge for a long period of time.

  In addition, in the jig A for forming a still water portion of the folded roof material according to the present invention, the protrusions 3 and 3 are in contact with the surface sides of the inclined portions 43 and 43 on both sides of the groove bottom 41 of the folded roof material 40. Since this becomes possible, a force is also applied to the inclined portions 43 and 43 during bending. Therefore, it is possible to start up more easily than the conventional water stop part forming jig, the water stop part 39 can be formed without taking time and effort for processing, and rainwater or the like can surely enter. It is possible to stably form the water stop portion 39 that can prevent the above.

  As described above, when the folded plate roof material according to the present invention is bent by the water stop portion forming jig A and raised upward, the end surface of the groove bottom portion 41 of the folded plate roof material 40 comes into contact with the regulating portion 5a. Then, the tip base point portion 1c of the pressing portion 1 abuts on the upper surface of the groove bottom portion 41 of the folded plate roof material 40, and then the side base point portions 3b and 3b of the protruding portions 3 and 3 are also folded plate roof. It becomes possible to abut on the surface side of the inclined portions 43 and 43 on both sides of the groove bottom portion 41 of the material 40. Therefore, since the force for starting up the groove bottom 41 of the folded-plate roof material 40, the end surface 41b of the groove bottom 41, and the several inclined portions 43, 43 is applied, it is possible to start up easily. The water stop portion can be formed in the groove bottom portion 41 of the water-side end portion 46 and the mountain half portions 42a and 42b on both sides of the water-side end portion 46 with less time and labor required for processing.

  Moreover, in the jig A for water stop part formation of this invention, a water stop part can be formed also with respect to the folded-plate roof material 40 as shown in FIG. In this folded-plate roof material 40, a pair of step parts 41a and 41a and the latching | locking parts 44 and 45 which are formed in the folded-plate roof material 40 shown in FIG. 2 are not formed.

  The folded-plate roof material 40 is bent upward at the water-side end portion 46 of the folded-plate roof material 40 by using the water-stop forming portion jig A of the present invention, so that the water-stop portion 39 is raised. Can be formed. In the case of the folded plate roof material 40, the tip base point portion 1c of the water stop portion forming jig A is in contact with the upper surface of the groove bottom portion 41 of the folded plate roof material 40, and the side base point portions 3b and 3b are folded plate roofs. It will contact | abut to the surface side of the inclination parts 43 and 43 of both sides of the material 40. FIG.

  As in FIG. 3, when the groove bottom portion 41 of the water-side end portion 46 is inserted into the insertion gap 4, the end surface 41 b of the groove bottom portion 41 faces the restriction portion 5 a of the spacer portion 5 of the water stop portion forming jig A. It contacts so that it may hit, and, thereby, the position of the groove bottom 41 can be regulated.

  At this time, each of the pair of protrusions 3 and 3 of the water stop portion forming jig A has a slight gap on the surface side of the inclined portions 43 and 43 on both sides of the groove bottom portion 41 of the water-side end portion 46. Is located.

  Next, when the upper end of the handle 6 of the water stop portion forming jig A is rotated toward the water underside of the folded plate roof material 40, the tip base point portion 1 c of the pressing portion 1 is a groove of the folded plate roof material 40. It abuts on the surface of the bottom 41. When the handle 6 is further rotated downward about the distal end base point portion 1c of the pressing portion 1, the groove bottom portion 41 is gradually bent from the point of contact with the distal end base point portion 1c. Is launched upwards.

  When the handle 6 is further rotated to the lower side of the folded-plate roof material 40 as described above, the side base points 3b and 3b of the projecting portions 3 and 3 come into contact with the surface side of the inclined portions 43 and 43. . In this state, when the handle 6 is further rotated to the underwater side of the folded-plate roof material 40, the contact point of the side base points 3b and 3b becomes a base point, and the inclined portion of the folded-plate roof material 40 43 and 43 are also bent so as to rise upward.

  And after continuing further rotating the handle 6 to the underwater side of the folded-plate roof material 40, the bending process is complete | finished by extracting the groove bottom part 41 of the folded-plate roof material 40 from the clearance gap 4 for insertion, and a water stop part 39 is manufactured. The groove bottom 41 is in a state of rising substantially vertically so that the end surface 41b faces upward, and the end surface 41b is arranged in parallel to the width direction. In addition, the inclined portions 43 and 43 are also in a state of rising so that their end faces face upward. Thus, the water stop part 39 is manufactured in a state where the groove bottom part 41 and the inclined parts 43 and 43 of the folded plate roof material 40 are bent and rise in a series.

  Similarly to the above, the folded-plate roof material 40 in which the water stop part 39 was formed can be constructed, and the folded-plate roof 55 can be formed as shown in FIG. That is, the folded-plate roof material 40 is constructed on a plurality of roof bases arranged in parallel in the roof inclination direction in the same manner as described above, and when all the folded-plate roof materials 40 are laid, The folded-plate roof 55 is formed in a state where the water stop portions 39 of the plate roof material 40 face each other across the ridge portion 51. And the ridge wrap 60 is made into the ridge part 51, the water stop parts 39, 39, ... of each folded-plate roof material 40, the water stop face doors 65, 65, ..., the apron face doors 66, 66, ... The folded-plate roof is formed by placing so as to cover all of the above.

  Also in this case, in the same manner as described above, it is possible to stably prevent the rainwater and the like from entering the ridge portion over a long period of time by the water stop portion 39. Thus, even if it is the folded-plate roof material 40 as shown in FIG. 8 which does not have a latching | locking part, the water stop part 39 can be formed, without processing and time taking, and reliably. The water stop part 39 which can prevent infiltration of rainwater etc. can be formed stably.

  FIG. 10 shows an example of another embodiment of the water stop portion forming jig A of the present invention. The protrusions 3 and 3 are provided with a damage prevention material. For example, as shown in FIG. 10, the protective cap material 10 can be covered as a damage prevention material. For example, the protrusions 3 and 3 may be protected by winding a tape-shaped damage prevention material around the protrusions 3 and 3. The material of the scratch-preventing material is not particularly limited as long as it is softer than the folded plate roof material 40. For example, a material made of resin, rubber, or paper can be selected. In this way, by providing an anti-scratch material on the protrusions 3 and 3, the side base points 3 b and 3 b of the protrusions 3 and 3 are not in direct contact with the folded plate roof material 40 during bending, Damage to the folded roof material 40 can be suppressed.

  FIG. 11 shows an example of another embodiment of the water stop forming jig A of the present invention. In this case, it is also possible to use a projection having a curved surface portion 3c in which the tip portions of the projecting portions 3 and 3 are formed in an arc shape. When bent by the water stop portion forming jig A, the side base points 3b and 3b on the curved surface portion 3c come into contact with the surface sides of the inclined portions 43 and 43 on both sides of the folded plate roof material 40. . That is, since the contact portion is not a sharp shape, it is possible to suppress damage to the folded roof material 40.

A Jig for forming a water-stop part of a folded-plate roof material 1 Presser part 2 Bottom part 3 Protruding part 4 Insertion gap 10 Scratch prevention agent 39 Water-stop part 40 Folded-plate roof material 42a Mountain half body 42b Mountain half body 43 Groove Bottom 46 Water side end

Claims (4)

This is a water stopping part forming jig for forming a water stopping part by raising the groove bottom part at the water upper end of the folded sheet roofing material and the mountain halves on both sides thereof to the surface side of the folded sheet roofing material. And
A holding portion, a bottom portion, and a pair of protrusions provided on both outer sides of the holding portion;
An insertion gap for inserting the groove bottom portion of the water-side end is formed by opposing the pressing portion and the bottom portion,
The protruding portion is positioned on the surface side of the mountain half with the groove bottom portion of the water-side end inserted in the insertion gap, and the protrusion and the bottom are rotated to rotate the protrusion. The groove bottom portion of the water-side end inserted into the insertion gap is formed so as to abut on the surface of the mountain half when bent up to the surface side of the folded roof material. A jig for forming a still water part of a folded roof material.   The jig for forming a water stop portion of the folded-plate roof material according to claim 1, wherein the protrusion is provided with a damage preventing material.   The jig for forming a water stop portion of a folded plate roof material according to claim 1 or 2, wherein a tip portion of the protruding portion is formed in an arc shape. A method for producing a water-stop part of a folded-plate roof material with the jig for forming a water-stop part of the folded-plate roof material according to any one of claims 1 to 3,
The groove bottom portion of the water-side end portion is inserted into the insertion gap, and then the jig is rotated to the surface side of the folded plate roof material, so that the projecting portion is brought into contact with the surface of the mountain half. A method for manufacturing a water-stop part of a folded-plate roof material, wherein the water-stop part is formed by bending and raising the groove bottom part of the water-side end part and the mountain halves on both sides thereof while being in contact with each other.

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