JP6979668B2 - Transport pipes with pipe fittings and production lines with multiple transport pipes - Google Patents

Description

The present invention comprises in food factories and pharmaceutical factories and cosmetics factory, a tubular body made of flexible hoses and tubes or the like used to transport the fluid substance involved in food and pharmaceuticals and cosmetics, and a pipe joint The present invention relates to a transport pipe and a production line having a plurality of transport pipes.

In food factories that manufacture beverages and seasonings, products are manufactured by mixing raw materials such as auxiliary raw materials, flavors, and oils with the main raw materials. Manufacturing equipment such as storage tanks for storing each raw material and tanks for mixing raw materials are arranged on the production line, and each manufacturing equipment is connected by stainless steel pipes and flexible transport pipes to connect raw materials and products. Etc. are being transported.
In such food factories, multiple types of beverages, seasonings, etc. may be manufactured on the same production line, and in such cases, the products to be manufactured are manufactured so that the raw materials of other products are not mixed into the manufactured products. The entire production line is cleaned every time. The stainless steel pipes that connect each manufacturing facility on the manufacturing line are not subject to flavoring problems due to disassembly and cleaning, but the flexible transport pipes are flavored and raw materials. In addition, recently, in order to deal with food allergies, flexible transport pipes have been used properly for each raw material to be transported on the same production line.
In this way, when using different transport pipes for each material, it is necessary to reconnect the transport pipes that have been removed from the manufacturing equipment, but which transport pipe should be connected when connecting to the manufacturing equipment again. It was difficult to know what to do, and there was a possibility of connecting transport pipes used for other materials.
In order to solve such a problem, the color of the tube itself of the transfer tube is changed and managed for each material to be conveyed, or a colored identification tape is wrapped around the end of the flexible transfer tube. A method for preventing erroneous connection was known.

Japanese Unexamined Patent Publication No. 10-217949

However, if the transport tube itself is colored as in the method for preventing erroneous connection of the flexible hose in Patent Document 1, it becomes impossible to visually check the transport state of the material to be transported. Further, even if the identification tape is wrapped around the end of the flexible hose, the identification tape may deteriorate due to long-term use, and a part of the identification tape may be peeled off and mixed into the food production line.

In order to solve such a problem, the transport pipe according to the present invention is individually fixed to a plurality of pipe bodies having flexibility for transporting a fluid and the connection end portions of the plurality of pipe bodies. The plurality of pipe bodies are transparent or translucent, and the plurality of pipe joints include the joint main body portion and the connection of the plurality of pipe bodies to the joint main body portion. An exposed member connected across an end portion, and a display unit provided on the outer peripheral surface of the exposed member and displaying different information for each of the fluid objects conveyed in the plurality of pipes. have a, by this, the transport pipe constructed by attaching the fitting to the tube body, characterized in that it has to be attached to the appropriate tube connection portion of the manufacturing facility.

It is a conceptual diagram of the production line which concerns on embodiment of this invention. It is sectional drawing of the joint part of the pipe joint of the transport pipe which concerns on embodiment of this invention, (a) is the vertical sectional front view before attaching the pipe joint to a pipe body, (b) is a pipe body. It is a vertical sectional front view after attaching a pipe joint to. It is an external view of the pipe joint which concerns on embodiment of this invention, (a) is the front view of the Example which colored the pipe joint and shows the fluid substance, (b) is the fluid by engraving the pipe joint. It is a front view of the Example which shows the thing, and (c) is the front view of the Example which shows a fluid thing by coloring and engraving a pipe joint. It is sectional drawing of the joint part of the pipe joint of the transport pipe which concerns on another embodiment of this invention, (a) is the vertical sectional front view before attaching the pipe joint to a pipe body, (b) is. It is a vertical section front view in the middle of attaching a pipe joint to a pipe body, and (c) is a vertical section front view after attaching a pipe joint to a pipe body. It is an external view of the pipe joint which concerns on other embodiment of this invention, (a) is the front view of the Example which colored the pipe joint and shows a fluid substance, (b) is a stamp on the pipe joint. It is a front view of the Example which shows the fluid thing, and (c) is the front view of the Example which shows a fluid thing by coloring and engraving a pipe joint. It is sectional drawing of the joint part of the pipe joint of the transport pipe which concerns on another embodiment of this invention, (a) is the vertical sectional front view before attaching the pipe joint to a pipe body, (b) is. It is a vertical sectional front view after attaching a pipe joint to a pipe body. It is an external view of the pipe fitting which concerns on other embodiment of this invention, (a) is the front view of the Example which shows the fluid substance by first coloring the pipe joint, (b) is the pipe joint. It is a front view of the Example which shows the fluid thing by the second coloring, and (c) is the front view of the Example which shows the fluid thing by coloring the pipe joint third.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
The pipe joint 1, the transport pipe provided with the pipe joint 1, and the production line provided with a plurality of transport pipes according to the embodiment of the present invention have an odor in a place where hygiene control is strict such as a food factory or a pharmaceutical factory, or a cosmetic factory. Deployed in places with strict migration management.
As the pipe joint 1 according to the embodiment of the present invention, a transport pipe such as a food hose used in a production line of a food factory that manufactures products such as sagging with a main raw material, an auxiliary raw material, oil, and a fragrance, and an end of the transport pipe. An example of a pipe joint (hose joint) fixed to a portion will be described.
The production line for producing sagging or the like in which the transport pipe according to the embodiment of the present invention is used is for producing products such as sagging by mixing various raw materials such as auxiliary raw materials, fragrances and oils with the main raw material. By using different raw materials on the same production line, it is possible to produce a plurality of types of products such as sagging.

In the production line for sauce and the like shown in FIG. 1, the main raw material is charged into the first compounding tank 6, and the auxiliary raw material contained in the first tank 7 is conveyed to the first compounding tank 6 by the transport pipe A. The first intermediate is made by blending with the raw materials. Then, the first intermediate is conveyed to the second compounding tank 6'by the transfer tube B, and the fragrance contained in the second tank 7'is conveyed to the second compounding tank 6'by the transfer tube A'. The second intermediate is made by blending with the first intermediate. Further, the second intermediate is conveyed to the third compounding tank 6 "by the transfer pipe B', and the oil contained in the third tank 7" is conveyed to the third compounding tank 6 "by the transfer pipe A". Sauce and the like are manufactured by blending with the second intermediate, and the fluid is bottled and filled by the transport pipe B "to be manufactured as a product.

In the production line, a transport pipe A for transporting auxiliary materials, fragrances, and oils, which are raw materials, between the first tank 7 to the third tank 7 "and the first blending tank 6 to the third blending tank 6", respectively. Since different products are manufactured on the same production line, although the transfer pipe A ”is arranged, the first tank 7 and the first compounding tank 6, the second tank 7'and the second compounding tank 6', As the transport pipe A for connecting the third tank 7 "and the third compounding tank 6", a plurality of transport pipes A, A', A "different for each raw material to be transported are prepared and manufactured. Depending on the product, the transport pipes A, A', A "are exchanged and used.
Further, regarding the transport pipes B, B'between the first tank 7 to the third tank 7 "and the transport pipe B" for filling, the transport pipes B, B', B "are replaced depending on the product to be manufactured. Is used.

The transport pipe A and the transport pipe B are configured by attaching pipe joints made of a metal material such as stainless steel to both ends of a pipe body 2 made of a transparent or translucent and flexible soft synthetic resin, respectively.
The pipe joint 1 of the embodiment shown in FIG. 2A as a pipe joint attached to the connection end of the pipe body 2 is provided in a manufacturing facility such as a tank 7 for storing raw materials and a compounding tank 6 for blending materials. A joint main body 11 connected to the pipe connection portions 6a and 7a, and a sleeve member 12 that cannot be elastically deformed for attaching a pipe body 2 such as a hose having flexibility to the joint main body 11 are provided. ..
The joint main body 11 is made of a metal material such as stainless steel or a hard material such as a hard synthetic resin, and has a nipple portion 111 inserted into the inner circumference of the end portion of the flexible pipe body 2 and a pipe body of the nipple portion 111. It has a connection portion 112 which is continuously provided at the end portion on the side opposite to the side to be inserted into 2 and is connected to the pipe connection portions 6a and 7a of the manufacturing equipment. The connecting portion 112 is formed in a flange shape having a cylindrical portion 112a having a slightly larger diameter than the nipple portion 111 and a flange-shaped portion 112b having a large diameter formed at the end of the tubular portion 112a. ..

The nipple portion 111 is formed in a cylindrical shape whose outer diameter is substantially the same as or slightly larger than the inner diameter of the tubular body 2, and the nipple portion 111 is formed from the connection end portion of the tubular body 2 to the inner circumference. When inserted, it is configured to fit snugly against the inner peripheral surface of the tubular body 2 or to be connected in a slightly expanded state of the inner peripheral surface of the tubular body 2. A plurality of annular ribs 111a that incline outward from the tube insertion side of the nipple portion 111 toward the connection portion side are integrally formed on the outer peripheral surface of the nipple portion 111, and the nipple portion 111 is integrally formed. When the 111 is inserted into the connection end portion of the tubular body 2, the plurality of annular ribs 111a of the tubular body 2 bite into the inner peripheral surface of the tubular body 2 to prevent the tubular body 2 from falling out of the nipple portion 111. ..
Further, an annular locking rib 111b is integrally formed on the connection portion side of the outer peripheral surface of the nipple portion 111, and is annularly locked with the tubular portion 2 side end portion of the tubular portion 112a of the connection portion 112. The ribs 111b form a fitting groove 111c for fitting and locking the fitting rib portion 12a formed on the inner peripheral surface of the end portion of the sleeve member 12, which will be described later.

The sleeve member 12 is made of a plastically deformable rigid material such as aluminum, has an inner diameter that is substantially the same as or slightly larger than the outer diameter of the tubular body 2, and is a tubular body into which the tubular body 2 can be inserted. It is formed as a member.
An annular fitting rib portion 12a projecting to the inner circumference is provided on the inner circumference of one end side of the sleeve member 12, and when the pipe body 2 is inserted from the other end side of the sleeve member 12, the pipe body is formed. It prevents the connection end portion of 2 from protruding from one end side of the sleeve member 12.
Further, on the inner peripheral surface of the sleeve member 12, a plurality of annular rib portions 12b, 12b facing the outer peripheral surface of the tubular body 2 are provided side by side in the insertion direction of the tubular body 2.

The tube body 2 is made of a soft material such as silicone rubber or vinyl chloride, and is formed of a transparent or translucent material such as a hose or a tube. By forming the tube 2 from a transparent or translucent material, the state of the fluid or the like conveyed in the tube 2 can be visually confirmed.
The configuration of the pipe body 2 is not limited as long as it has elasticity. For example, a reinforcing wire rod 22 or the like is embedded inside the pipe body 2 to have shape retention and pressure resistance. It is also possible to use an excellent one.

Next, a method of connecting the pipe body 2 to the pipe joint 1 according to the embodiment of the present invention will be described.
First, as shown in FIG. 2A, the connection end portion of the tubular body 2 is inserted along the inner peripheral surface of the sleeve member 12, and the connection end portion of the tubular body 2 is the fitting rib portion 12a of the sleeve member 12. Insert until it touches.
Then, the nipple portion 111 of the joint main body portion 11 is inserted into the sleeve member 12 into which the connection end portion of the pipe body 2 is inserted. At this time, since the nipple portion 111 has substantially the same size as the inner diameter of the pipe body 2 or a slightly larger outer diameter, the sleeve member 12 into which the pipe body 2 is inserted with a relatively small force with respect to the nipple portion 111. Can be inserted.

After inserting the tube 2 and the sleeve member 12 until the tip of the sleeve member 12 abuts on the tube 2 side end of the tubular portion 112a of the connecting portion 112, the sleeve member can be operated hydraulically or manually by a caulking device. 12 is reduced in diameter, and as shown in FIG. 2B, a plurality of annular rib portions 12b, 12b formed on the inner circumference of the sleeve member 12 are made to bite into the outer peripheral surface of the tubular body 2 and are fitted. The rib portion 12a is fitted and locked in the fitting groove 111c of the nipple portion 111. At the same time, by having the plurality of annular ribs 111a of the nipple portion 111 bite into the inner peripheral surface of the pipe body 2, the joint main body portion 11 and the sleeve member 12 firmly sandwich the connection end portion of the pipe body 2 by both of them. You can connect in the state.
At this time, a sealing material (not shown) is arranged at an appropriate place between the sleeve member 12 and the joint main body 11, and the sleeve member 12 is sealed with the pipe body 2 and the joint main body 11. ing.

As described above, in the transport pipe A configured by attaching the pipe joint 1 to the pipe body 2, the pipe joint 1 according to the embodiment of the present invention is a raw material or the like to be transported to the sleeve member 12 by the transport pipe A. It is characterized by displaying information indicating the fluid matter of.
For example, in the pipe joint 1 of the embodiment shown in FIG. 3A, at least the entire outer peripheral surface of the sleeve member 12 is colored in a color reminiscent of the material transported by the transport pipe A as information indicating a fluid substance. This is an example in which 12d is inserted. For example, the sleeve member 12 of the pipe joint 1 of the transport pipe A for transporting soy sauce is colored purple so that the material transported by the transport pipe A can be recognized only by looking at the color of the sleeve member 12. ..
For coloring the sleeve member 12, it is desirable to use colored plating having no food hygiene problem and excellent wear resistance, especially dry plating such as vacuum vapor deposition, ion plating, and sputtering, and titanium nitride, which can obtain multiple colors, is particularly preferable. It is desirable to use the ion plating used.

Further, in the pipe joint 1 of the embodiment shown in FIG. 3B, at least the outer peripheral surface of the sleeve member 12 is engraved with the name of the material to be transported by the transport pipe A as information indicating a fluid substance. This is an example in which the member 12e is inserted. For example, the character "for water" is engraved on the sleeve member 12 of the pipe joint 1 for fixing the transport pipe A for transporting water by a laser.
Further, in the pipe joint 1 of the embodiment shown in FIG. 3C, at least the outer peripheral surface of the sleeve member 12 is colored by colored plating or the like as information indicating a fluid substance, and the sleeve is provided with characters such as a material name. This is an example in which the member 12f is inserted. Specifically, the characters "for water" are engraved on the sleeve member 12 of the pipe joint 1 colored in blue.
Further, although not shown as another example, as information indicating a fluid substance, a part of the sleeve member 12 may be colored with a single color or a plurality of colors, a pattern of a single color or a plurality of colors may be applied, characters, pictures, symbols, etc. not shown may be shown. Can be applied or changed.

As described above, the pipe joint 1 according to the embodiment of the present invention is conveyed to the outer periphery of the sleeve member 12 fixed to the joint body 11 by caulking or the like by the pipe body 2 connected to the pipe joint 1. By displaying the information indicating the fluid material such as food, it is possible to prevent the transport pipe A prepared for the other fluid material from being connected to the fluid material to be transported.
Further, by displaying on the outer peripheral surface of the sleeve member 12, it is relatively easy to manufacture coloring, engraving, etc., and the joint portion main body and the sleeve member 12 can be used in common, so that the manufacturing cost can be suppressed. Can be done.

Therefore, if the transport pipe A using the pipe joint 1 according to the embodiment of the present invention is used, even if a plurality of transport pipes A are prepared for manufacturing various products on the same production line, the transport pipes to be connected are connected. There is no possibility that raw materials such as fragrances used in the manufacture of other products will be mixed in the manufactured product or the fragrance will remain without making a mistake in the connection of A, and accidents due to allergic factors such as milk can be prevented. ..

On the other hand, examples of modification of the information indicating the pipe joint and the fluid include the second embodiment shown in FIGS. 4 and 5, and the third embodiment shown in FIGS. 6 and 7.
As shown in FIG. 4A, the pipe joint 3 of the second embodiment shown in FIG. 4 is connected to the pipe connection portion provided in the manufacturing facility, and the nipple portion 311 is inserted into the connection end portion of the pipe body 4. The joint body portion 31 having the above, the cap nut member 32 provided so as to be reciprocally reciprocated by being movably inserted into the pipe body 4 and screwed to the joint body portion 31, and the nipple portion of the joint body portion 31. It is provided with an elastically deformable tightening sleeve 33 that is arranged on the outer periphery of the 311 and into which the connection end of the tubular body 4 is inserted.

Then, as shown in FIG. 4B, the nipple portion 311 of the joint main body portion 31 is inserted into the end portion of the pipe body 4 inserted through the cap nut member 32, and the connection end portion of the pipe body 4 is tightened and sleeved. It is inserted and arranged on the inner peripheral surface of 33.
After that, as shown in FIG. 4C, the cap nut member 32 is brought closer to the joint body 31 by screwing the screw portion 32a of the cap nut member 32 and the screw portion 31a of the joint body 31, and both are used. The pipe body 4 is connected to the pipe joint 3 by reducing the diameter of the tightening sleeve 33 arranged between them and tightening the pipe body 4.
Further, in the example shown in FIGS. 4A, 4B, and 4C, the connection portion 31b of the joint main body 31 is formed in a screw shape, but as another example, the connection portion 31b of the joint main body 31 is shown. 2 (a) It is also possible to change to the flange shape shown in (b).
The detailed configuration of the connection portion is described in Japanese Patent Application Laid-Open No. 2011-52772.

As shown in FIGS. 5A to 5C, the pipe joint 3 of the second embodiment is conveyed to the outer peripheral surface of the cap nut member 32 detachable from the joint main body 31 as shown in FIGS. 5A to 5C. Information indicating the fluid is displayed.
That is, a plurality of types of cap nut members 32 displaying different information for each fluid to be conveyed are prepared in advance, and by removing the cap nut member 32 from the joint main body 31, the cap nut member 32 and the cap nut member 32 are combined. The information on the fluid becomes a replaceable part, and at this time, the tube 4 can also be replaced. Therefore, unlike the pipe joint 1 of FIG. 3, the pipe joint 3 of FIG. 5 can be reused even if the pipe body 4 becomes unusable due to the end of its life, and the cap nut member 32 can be replaced. It can be reused for the pipe body 4 to which other fluids are transported.
In the pipe joint 3 of the second embodiment shown in FIG. 5A, at least the outer peripheral surface of the cap nut member 32 is colored by colored plating or the like in a color reminiscent of the material transported by the pipe body 4 as information indicating a fluid substance. This is an example in which the cap nut member 32d is inserted.
In the pipe joint 3 of the second embodiment shown in FIG. 5B, at least the outer peripheral surface of the cap nut member 32 is engraved with the name of the material to be conveyed by the pipe body 4 or the like as information indicating a fluid substance. This is an example in which the cap nut member 32e is inserted.
In the pipe joint 3 of the second embodiment shown in FIG. 5 (c), at least the outer peripheral surface of the cap nut member 32 is colored by colored plating or the like and characters such as a material name are given as information indicating a fluid substance. This is an example in which the cap nut member 32f is inserted.
Further, although not shown as another example, as information indicating a fluid substance, a part of the cap nut member 32 may be colored with a single color or a plurality of colors, a pattern of a single color or a plurality of colors may be applied, or characters, pictures or symbols (not shown) may be applied. Etc. can be applied or changed.

As shown in FIG. 6A, the pipe joint 3 of the third embodiment shown in FIG. 6 is connected to the pipe connection portion provided in the manufacturing facility, and the nipple portion 311 is inserted into the connection end portion of the pipe body 4. A cap nut member 32, a cap nut member 32, and a cap nut member 32 and a cap nut member 32 that are movably inserted and screwed to the joint body 31 to reciprocate. It comprises an elastically deformable tightening sleeve 34 disposed between the connecting ends of 4.
A sealing member 34a projecting toward the outer peripheral surface of the tubular body 4 is provided on the inner peripheral surface of the tightening sleeve 34.

Then, as shown in FIG. 6B, the nipple portion 311 of the joint main body portion 31 is inserted into the end portion of the pipe body 4 inserted through the cap nut member 32, and the screw portion 32a of the cap nut member 32 is inserted. By screwing the joint main body 31 with the screwed portion 31a, the cap nut member 32 is brought closer to the joint main body 31, and the tightening sleeve 34 arranged between the two is reduced in diameter to tighten the pipe body 4. Along with this, the seal member 34a of the tightening sleeve 34 sandwiches the connection end portion of the pipe body 4 and presses against the nipple portion 311 so that the pipe body 4 can be connected to the pipe joint 3.
Further, in the example shown in FIGS. 6 (a) and 6 (b), the connection portion 31c of the joint main body 31 is formed in a flange shape, but as another example, the connection portion 31c of the joint main body 31 is shown in FIG. 4 (a). ) (B) It is also possible to change to the screw shape shown in (c).
The detailed configuration of the connection portion is described in Japanese Patent No. 5557221.
The difference from the one described in Japanese Patent No. 5557221 is either the outer peripheral surface of the joint main body 31 or the outer peripheral surface of the cap nut member 32, or both the outer peripheral surface of the joint main body 31 and the cap nut member 32. The identification ring 35 is detachably attached to the above.

As shown in FIGS. 7 (a) to 7 (c), the pipe joint 3 of the third embodiment is conveyed to the identification ring 35 which is detachable from the joint main body 31 and the cap nut member 32. Information indicating the fluid is displayed.
That is, a plurality of types of identification rings 35 in which different information is displayed for each fluid to be conveyed are prepared in advance, and the cap nut member 32 and the identification ring 35 are removed from the joint main body 31 to remove the identification ring 35. Together with 35, the information on the fluid becomes a replaceable part, and at this time, the tube 4 can also be replaced. Therefore, unlike the pipe joint 1 of FIG. 3, the pipe joint 3 of FIG. 7 can be reused even if the pipe body 4 becomes unusable due to the end of its life, and the identification ring 35 can be replaced. Can be reused for the pipe body 4 to which the fluid material of the above is conveyed.
In the examples shown in FIGS. 6 and 7, the identification ring 35 is detachably fitted to the recess 312 formed on the outer peripheral surface of the joint body 31.
Further, although not shown as another example, the identification ring 35 may be detachably fitted into the recess formed on the outer peripheral surface of the cap nut member 32, or the outer peripheral surface of the joint body 31 and the cap nut member 32 may be detachably fitted. The identification ring 35 can be detachably fitted or changed in the recess formed over both of them.

The pipe joint 3 of the third embodiment shown in FIG. 7A is an example in which at least the entire outer peripheral surface is inserted with an identification ring 35d colored in a light color such as yellow or white as information indicating a fluid substance. ..
The pipe joint 3 of the third embodiment shown in FIG. 7B is an example in which at least the entire outer peripheral surface of the pipe joint 3 is inserted with an identification ring 35e colored in a neutral color such as red as information indicating a fluid substance.
In the pipe joint 3 of the third embodiment shown in FIG. 7 (c), at least the entire outer peripheral surface is inserted with an identification ring 35f colored in a dark color such as blue or black as information indicating a fluid substance. Is.
Further, although not shown as another example, a part of the identification ring 35 is colored with a single color or a plurality of colors, a pattern of a single color or a plurality of colors is applied, and characters, pictures, symbols, etc. are applied as information indicating a fluid substance. Or can be changed.

As described above, according to the pipe joints 1, 3 according to the embodiment of the present invention, the transport pipe and the production line, the pipe joints 1, 3 attached to the end of the transport pipe for transporting a fluid such as raw materials. By partially devising and seeing this partial ingenuity, the fluid material to be transported by the transport pipe can be easily recognized, and the exact transport pipe can be mistaken for each fluid to be transported. It can be selected and connection errors can be prevented.
Therefore, as compared with the conventional one in which an identification tape or the like is wrapped around the end of the flexible hose, there is no possibility that foreign matter will be mixed into the production line even if the hose is used for a long time, and the safety is excellent.

In particular, it is preferable to display information indicating a fluid substance on a replaceable part (cap nut member 32, identification ring 35) that can be attached to and detached from the joint main body 31.
In this case, it is extremely easy to exchange information indicating a fluid, the replacement work can be shortened and the workability is excellent, and the replacement parts (cap nut member 32, identification ring 35) can be removed during operation. Since it can be reliably prevented, further improvement in safety can be achieved.
Further, when the identification ring 35 is used as a detachable replacement part for the joint main body 31, the manufacturing cost can be reduced.

The configuration itself of the pipe joint targeted by the present invention is not limited to the structures shown in FIGS. 2, 4, and 6, and may be any structure.
Further, in the production line according to the embodiment of the present invention, all the transport pipes according to the embodiment of the present invention may be used as the prepared transport pipes, and fluids that are not particularly allowed to be mixed may be transported. The transport pipe according to the embodiment of the present invention may be used only for the transport pipe.

1,3: Pipe fitting 2,4: Pipe body 6: Mixing tank 6a: Pipe connection part 7: Tank 7a: Pipe connection part 11,31: Fitting body part 111,311: Nipple part 111a: Circular rib 111b: Locking Ribs 111c: Fitting grooves 112, 31b, 31c: Connection part 112a: Cylindrical part 112b: Nipple-shaped part 12: Sleeve member 12a: Fitting rib part 12b: Circular rib part 22: Reinforcing wire material 31a: Screwed part 32: Cap nut member 32a: Threaded portion 33, 34: Tightening sleeve 35: Identification ring A, B: Conveyance pipe

Claims (5)

With multiple tubes that have the flexibility to carry fluids,
A plurality of pipe joints, which are individually fixed to the connection ends of the plurality of pipe bodies, are provided.
The plurality of tubes are transparent or translucent, and are transparent or translucent.
The plurality of pipe joints are provided for a joint main body, an exposed member connected to the joint main body with the connection end of the plurality of pipes interposed therebetween, and an outer peripheral surface of the exposed member. are and have a, a display unit different information for each of the fluid product is displayed conveyed through the plurality of tubes body,
As a result, the transport pipe configured by attaching the pipe joint to the pipe body can be attached to an appropriate pipe connection portion of the manufacturing equipment . The transfer tube according to claim 1, wherein the display portion is displayed by coloring with plating. The transfer pipe according to claim 1 or 2, wherein the display unit is displayed by engraving. The transport pipe according to claim 1, 2 or 3, wherein the display portion is displayed on a replacement part that can be attached to and detached from the joint main body portion of the plurality of pipe joints. The transport pipe according to claim 1, 2, 3 or 4 communicates between a plurality of manufacturing facilities, and the plurality of pipes different for each raw material of the fluid to be transported are used as the transport pipe. A production line featuring.

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