JPH0123637B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an old window frame removal device implemented in the renovation of a window equipped with a rectangular old window frame formed by an upper frame part, a lower frame part, and left and right vertical frame parts. It is something.

In general, most of the old windows that are subject to renovation are old windows with old iron window frames, and the upper frame, lower frame, and left and right vertical frames of the old window frames are The old window frame is welded together to form a rectangular shape, and is welded via anchors to an embedded metal body embedded in the concrete wall of the building structure.

In order to renovate an old window with an existing old window frame as described above, there are two methods: removing the building structure such as a concrete wall and then replacing the old window frame with a new window frame; A conventionally known method is to cover up the old window frame while leaving it intact. The former renovation method had the problem that the work was extremely complicated and large-scale, and it also caused cracks to occur. In addition, in the latter renovation method, the corrosion of the old window frame itself continues to progress, making it easy for rust to seep onto the surface of the building structure.Also, if the new window frame is made of aluminum alloy,
There was a problem that corrosion easily occurred due to contact with the old window frame, and the window opening became narrower after the renovation. For this reason, as a renovation method different from the above two renovation methods, a method has been proposed, such as Japanese Patent Publication No. 54473/1983, in which the frame of the old window frame is pulled out and a new window frame is then attached. However, with this pull-out method, the old window frame does not remain, so the drawbacks of the cover method can be overcome, and the work is not as complicated and large-scale as the hanging method, and there are fewer cracks. However, when removing the window frame, the frame of the old window frame was simply pulled out using the frame removal device, so the surface of the architectural structure to which the old window frame was attached fell off when the window frame was removed. However, it was necessary to extensively repair the peeling off parts, which made the construction work complicated, and the building structure had to be repaired using mortar, which required a wet construction method. As described above, the conventional pull-out method used a pull-out method that involved wet construction, which posed a problem in that renovation work was time-consuming.

The present invention was invented in view of the above-mentioned conventional problems, and its purpose is to enable renovation without leaving the old window frame, and to be able to remove the old window frame compared to the chisel method. This simplifies the construction work, does not cause cracks, and even though it is a pull-out method, there is no need to repair the building structure after the pull-out method, and the pull-out method uses a dry method, so renovation work can be completed in a short time. To provide a device for removing old window frames.

The old window frame removal device of the present invention has a central base 29
Legs 30 are protruded from both ends of the frame 1 of the old window frame 1, and the tips of the legs 30 are used as the resting members 21, and the frame 1 of the old window frame 1 is attached to the tip of the movable body 24, which is movably attached to the central base 29.
It is characterized by being provided with mounting portions 6 for mounting on the indoor side and outdoor side of a, respectively, and by adopting such a configuration,
This achieves the above-mentioned object of the present invention. That is, in the present invention, the attachment parts 6 are attached to the outdoor side and the indoor side of the frame part 1a, respectively, with the abutment members 21 at the tips of the legs 30 on both sides being in contact with the architectural structure 2 such as a concrete wall. By attaching and pulling it, the architectural structure 2 near the frame part 1a of the old window frame 1
The indoor and outdoor sides of the frame 1a can be pulled out evenly while preventing the wall from falling off, preventing the building structure 2 from falling off, and creating a new window frame without having to repair it with mortar after removal. It is now possible to install.

The present invention will be explained in detail below with reference to Examples. The attached drawing shows an example of an iron window frame as the old window frame 1. A part of the old window frame 1 is buried or attached to an architectural structure 2 such as a concrete wall. 1st
FIG. 2 shows one example and another example of the old window frame removal device 4 according to the present invention. In the drawing,
Legs 30 protrude from both ends of the central base 29,
The tip of this leg 30 serves as a support member 21. An elastic member 31 such as rubber is provided on the distal end surface of the abutment member 21. A movable body 24 is movably attached to the central base 29, and in the embodiment shown in the drawings, the movable body 24 is constituted by a threaded rod.
Attachment portions 6 are provided at the distal end of the moving body 24 for attachment to the indoor and outdoor sides of the frame portion 1a of the old window frame 1, respectively. In Fig. 1, the frame 1a
A hook part 1 exists on the outdoor side and the indoor side of the
b shows an example in which the attachment parts 6 provided at the tip of the moving body 24 are respectively attached, but if the frame part 1a does not have the hook part 1b as shown in FIG. The mounting portion 6 is inserted into this hole 1d to be mounted. In addition, as shown in Fig. 2, if the distance between the indoor and outdoor mounting parts 6 can be adjusted in the direction of the arrow, it can be mounted on frame parts 1a of various widths. It is possible. However, in each of the above-mentioned embodiments, with the contact members 21 at the tips of the legs 30 on both sides in contact with the architectural structure 2, the attachment portions 6 are attached to the outdoor side and the indoor side of the frame portion 1a, respectively. , and then move the moving body 24 by operating the handle 24a provided on the moving body 24, and connect the outdoor side and the indoor side of the frame part 1a to the attachment part 6.
At the same time, it is pulled and pulled out. In this way, the old window frame 1 is removed by separately pulling out each frame portion 1a.

After the old window frame 1 is removed using the old window frame removal device 4 of the present invention as described above, a new window frame 3 is attached to the part where the old window frame 1 was removed. FIG. 3 shows an example of installing a new window frame 3, and the one shown in the upper half of FIG. The metal material 64 is welded to the mounting bracket 65 attached to the new window frame 3, and the one shown in the lower half of FIG. Fix it with bolts 40, etc., and attach the new window frame 3 to this fixing bracket 66.
It is designed to be installed. Of course, the new window frame 3 may be attached using various attachment methods other than those described above. Further, the recess after the removal of the old window frame 1 is filled with a heat insulating material 62. As a heat insulating material, a foamed synthetic resin such as urethane is injected and foamed into the recess, or glass wool or the like is filled. Reference numeral 67 in FIG. 3 indicates a picture frame.

In the present invention, as described above, the legs protrude from both ends of the central base, the tips of the legs serve as the resting members,
At the tip of the movable body that is movably attached to the central base, there are attachment parts for attaching to the indoor and outdoor sides of the frame of the old window frame, so it can be renovated without leaving the old window frame. Moreover, when removing the old window frame, the construction work is simpler than the chisel method, and of course there is no cracking, even though it is a pull-out method. , the outdoor and indoor sides of the frame can be pulled out evenly while curing the architectural structure near the frame, and as a result, the old window frame can be pulled out at right angles to the wall without tilting, and the pulling force is reduced. The wall surfaces of each architectural structure near the outdoor side and indoor side sides of the frame are cured, and can be pulled out cleanly and in a well-balanced manner. Therefore, using the device of the present invention not only simplifies the construction work but also eliminates the need for repairs using mortar, which has the advantage that the construction work can be done dryly and the time required for the construction work can be significantly shortened.

[Brief explanation of drawings]

Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of another embodiment of the invention, and Fig. 3 is a sectional view of one embodiment with a new window frame installed. ,1
1a is the old window frame, 1a is the frame, 6 is the attachment part, 21 is the support member, 24 is the movable body, 29 is the center base, 30
is leg 30.

Claims (1)

[Claims] 1. Legs are protruded from both ends of the central base, the tips of the legs are used as support members, and the tips of the movable body movably attached to the central base are attached to the indoor and outdoor sides of the frame of the old window frame, respectively. An old window frame removal device characterized by comprising a mounting part.