Anti-oxidation film coating device for copper foil roll

By designing an anti-oxidation coating device for copper foil rolls, using helical tooth rollers and synchronous motors to achieve uniform spraying and distribution of adhesives, the problem of uneven material selection and effect in traditional coating technology is solved, and a high-quality and high-efficiency copper foil coating is achieved.

CN119795592APending Publication Date: 2025-04-11NANTONG RANSHUO METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202510068841.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

Traditional copper foil roll coating technology faces limited material selection, uneven coating effect and complex process problems, making it difficult to meet the requirements of modern electronic industry for high quality and high efficiency protection.

Method used

An anti-oxidation envelope device is designed to ensure uniform contact between the film and the copper foil by communicating the adhesive storage box with the adhesive tube, using a helical tooth roller and a synchronous motor. Through the cooperation of the interpolation plate and the internal push spring, air and unexported adhesive are squeezed to ensure uniform contact between the film and the copper foil.

Benefits of technology

The uniform distribution of adhesives and effective elimination of bubbles are achieved, the thickness, quality and stability of the copper foil wrap are ensured, and the requirements of modern electronics industry for high-quality protection are met.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of film coating, in particular to an anti-oxidation film coating device for a copper foil roll, a mounting side plate is fixedly connected to the top of a feeding bottom plate, a mounting top plate is fixedly connected to the top of the mounting side plate, and two adhesive storage boxes are fixedly connected to the interior of the mounting top plate; an adhesive spraying roller is fixedly connected to the bottom of the adhesive storage box, a helical tooth roller is rotatably connected to the interior of the adhesive spraying roller, two synchronous motors are mounted on one side of the mounting side plate, the output ends of the synchronous motors are fixedly connected with the helical tooth roller, and a coating roller is rotatably connected to the inner side of the mounting side plate; the copper foil coating machine has the innovation points that through the unique tooth groove design, adhesive spraying and smearing and extrusion mechanism moving can be uniformly carried out, uniform distribution of the adhesive and effective removal of bubbles are realized, and thus the thickness, quality and stability of copper foil coating are ensured.
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Description

Technical Field

[0001] The invention relates to the technical field of coating, in particular to an anti-oxidation coating device for a copper foil roll. Background Art

[0002] In the electronic materials industry, copper foil anti-oxidation is a key link to ensure product quality and extend service life. Once the copper foil surface is oxidized, it will significantly affect its conductive properties and even cause the performance of the entire electronic device to decline. Therefore, it is very important to take effective anti-oxidation measures.

[0003] In the prior art, in order to prevent the oxidation of copper foil rolls, a coating method is usually adopted. However, the traditional coating technology faces many challenges, including limited coating material selection, uneven coating effect and complicated coating process, which are difficult to meet the requirements of the modern electronics industry for high-quality and high-efficiency protection of copper foil. In addition, during the coating process, it should be ensured that there is no excessive air and adhesive residue between the film and the copper foil to avoid affecting the winding and storage of the copper foil roll; for this reason, the present invention provides an anti-oxidation coating device for a copper foil roll. Summary of the invention

[0004] The object of the present invention is to provide an anti-oxidation coating device for a copper foil roll to solve the problems raised in the above background technology.

[0005] The technical solution of the present invention is: an anti-oxidation coating device for copper foil rolls, comprising a feeding bottom plate and a pressing table, the top of the feeding bottom plate is fixedly connected to a mounting side plate, the top of the mounting side plate is fixedly connected to a mounting top plate, the inside of the mounting top plate is fixedly connected to two adhesive storage boxes, the bottom of the adhesive storage box is fixedly connected to an adhesive spraying roller, the inside of the adhesive spraying roller is rotatably connected to a helical gear roller, two synchronous motors are installed on one side of the mounting side plate, the output end of the synchronous motor is fixedly connected to the helical gear roller, the inner side of the mounting side plate is rotatably connected to a coating roller, and the adhesive spraying roller is close to the coating roller. A material spraying slot is provided on one side of the material roller, and an inner fixed frame is fixedly connected to the inner side of the adhesive storage box, and an inner plug-in plate is slidably engaged with the bottom of the inner fixed frame, and an inner push spring is fixedly connected to the top inner wall of the top of the inner fixed frame, and the inner push spring is fixedly connected to the top of the inner plug-in plate, and the bottom inclined surface of the inner plug-in plate has the same angle as the outer teeth of the helical gear roller, and the inner plug-in plate is slidably engaged with the bottom of the adhesive storage box, and a material discharge side plate is fixedly connected to the top of the mounting top plate, and two film introduction rollers are rotatably connected to the inner side of the material discharge side plate, and the two film introduction rollers are respectively located on both sides of the two adhesive storage boxes, and the top of the material discharge side plate is fixedly connected to A feed mounting block is connected, and the inner side of the feed mounting block is rotatably connected to two feed rollers, and the feed rollers are located on the tops of the two adhesive storage boxes. The inner side of the mounting side plate is rotatably connected to a film transfer roller, and the film transfer roller is located at the bottom of the two adhesive spray rollers. When in use: the adhesive is introduced by connecting the adhesive storage box with the adhesive pipe, so that the adhesive flows to the inner side of the adhesive spray roller and is stored in the outer tooth part of the helical gear roller. After that, the synchronous motor is started, and the helical gear roller and the inner side of the adhesive spray roller rotate, so that the adhesive flows through the spray slot along the tooth inclined surface of the helical gear roller and is discharged in equal amounts. At the same time, the inner insert plate is inserted into the inner side of the teeth of the helical gear roller. When the helical gear roller is When the toothed roller rotates, the tooth groove of the helical toothed roller opens along the inclined surface to absorb the adhesive. After the inner insert plate passes over a tooth, it is pushed by the inner push spring to insert the inner insert plate into the next tooth groove, squeezing the internal air and the undischarged adhesive to facilitate the next suction of adhesive. While the inner insert plate moves up and down, it vibrates the adhesive inside the adhesive storage box to move the air bubbles upward and discharge, so that the copper foil passes from the inside of the feed roller and the bottom of the transfer roller. The bottom and top films pass through the film introduction roller, and then pass between the installation long plate and the adhesive spraying roller, so that the top of the film is coated with adhesive, and the bottom film passes through the bottom of the transfer roller and contacts with the copper foil for bottom coating.

[0006] Preferably, the top inner wall and the bottom inner wall of the pressing table are respectively fixedly connected with three mounting long plates, the tops of the mounting long plates are fixedly connected with telescopic cylinders, the tops of the telescopic cylinders are fixedly connected with two extrusion connecting plates, the insides of the telescopic cylinders are provided with extrusion springs, both ends of the extrusion connecting plates are fixedly connected with extrusion fixing shafts, the outer sides of the extrusion fixing shafts are rotatably connected with pressing rollers, and the top pressing rollers and the bottom pressing rollers are tightly attached to each other, the inner sides of the two extrusion connecting plates are fixedly connected to the mounting base, the top of the mounting base is fixedly connected with a triangular pressing block, the two triangular pressing blocks are tightly attached to each other, and the triangular pressing blocks are arrow-shaped, the contact corners of the two triangular pressing blocks are both rounded, and the bottom inner wall of the pressing table is fixedly connected There are two collecting boxes, the top of which is fixedly connected with an collecting block, the triangular pressing blocks are tightly attached to the two sides of the triangular pressing blocks, and one side of the collecting box is connected with a discharge pipe. When in use: the copper foil passes between the two pressing rollers, so that the top film is covered on the top of the copper foil by the pressing roller, and then passes between the two pressing rollers at the same time, and then passes between the two triangular pressing blocks, and the two triangular pressing blocks are pushed by the extrusion spring to make the two triangular pressing blocks tightly attached to the top and bottom of the copper foil, and continue to squeeze the copper foil and the film, and the adhesive between the copper foil and the film and the bubbles are discharged to both sides along the triangular pressing blocks through the rounded corners of the triangular pressing blocks, so that the adhesive slides through the collecting blocks to the collecting box and is discharged through the discharge pipe. Because it does not contact foreign objects, it can be reused.

[0007] The present invention provides an anti-oxidation coating device for copper foil rolls through improvement, which has the following improvements and advantages compared with the prior art:

[0008] First, the anti-oxidation coating device for copper foil rolls described in the present invention introduces adhesive by connecting the adhesive storage box with the adhesive pipe, so that the adhesive flows to the inner side of the adhesive spray roller and is stored in the outer tooth portion of the helical tooth roller. After that, the synchronous motor is started, and the helical tooth roller and the adhesive spray roller rotate internally, so that the adhesive flows through the spray slot along the tooth slope of the helical tooth roller and is discharged in equal amounts. At the same time, the inner insert plate is inserted into the teeth of the helical tooth roller. When the helical tooth roller rotates, the tooth groove of the helical tooth roller is opened along the slope to absorb the adhesive, and the inner insert plate passes over a tooth. Finally, the inner insert plate is pushed by the inner push spring to insert into the next tooth groove, squeezing the air inside and the undischarged adhesive to facilitate the next adhesive suction. While the inner insert plate moves up and down, it vibrates the adhesive inside the adhesive storage box to make the air bubbles move up and discharge, so that the copper foil passes from the inside of the feed roller and the bottom of the transfer roller. The bottom and top films pass through the film introduction roller, and then pass between the installation long plate and the adhesive spraying roller, so that the top of the film is coated with adhesive, and the bottom film passes through the bottom of the transfer roller and contacts the copper foil, so as to carry out the bottom film coating.

[0009] Second, the invention discloses an anti-oxidation coating device for a copper foil roll. The copper foil passes between two pressing rollers, so that the top film passes through the pressing rollers and is coated on the top of the copper foil. Then, the copper foil passes between the two pressing rollers at the same time, and then passes between two triangular pressing blocks. The two triangular pressing blocks are pushed by the extrusion spring to make the two triangular pressing blocks close to the top and bottom of the copper foil, and continue to squeeze the copper foil and the film. The rounded corners of the triangular pressing blocks push the adhesive between the copper foil and the film and the bubbles to be discharged to both sides along the triangular pressing blocks, so that the adhesive slides through the collecting block to the collecting box and is discharged through the discharge pipe. Because it does not contact foreign objects, it can be reused.

[0010] Summary: The anti-oxidation coating device for copper foil rolls described in the present invention is innovative in that the adhesive can be sprayed evenly through a unique tooth groove design, and the mobile extrusion mechanism achieves uniform distribution of the adhesive and effective removal of bubbles, thereby ensuring the thickness, quality and stability of the copper foil coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0013] Figure 2 It is a schematic diagram of the structure of the pressing table of the present invention;

[0014] Figure 3 It is a schematic diagram of the installation side plate structure of the present invention;

[0015] Figure 4 It is a schematic diagram of the structure of the adhesive storage box of the present invention;

[0016] Figure 5 It is a schematic diagram of the structure of the helical gear roller of the present invention;

[0017] Figure 6 It is a schematic diagram of the internal fixing frame structure of the present invention;

[0018] Figure 7 It is a schematic diagram of the structure of the lamination roller of the present invention;

[0019] Figure 8 It is a schematic diagram of the structure of the extruded fixed shaft of the present invention;

[0020] Fig. 9 It is a schematic diagram of the structure of the extruded connecting plate of the present invention;

[0021] Fig.10 It is a schematic diagram of the triangular pressing block structure of the present invention.

[0022] Description of reference numerals:

[0023] 1. Feeding bottom plate; 2. Pressing table; 3. Installing side plate; 4. Installing top plate; 5. Discharging side plate; 6. Feeding installation block; 7. Feeding roller; 8. Adhesive storage box; 9. Adhesive spraying roller; 10. Film introduction roller; 11. Synchronous motor; 12. Helical gear roller; 13. Inner fixed frame; 14. Inner push spring; 15. Inner plug plate; 16. Film transfer roller; 17. Pressing roller; 18. Installing long plate; 19. Telescopic cylinder; 20. Extrusion spring; 21. Extrusion connecting plate; 22. Extrusion fixed shaft; 23. Installing base; 24. Triangular pressing block; 25. Collecting box; 26. Discharge pipe; 27. Collecting block; 28. Coating roller. DETAILED DESCRIPTION

[0024] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The present invention provides an anti-oxidation coating device for a copper foil roll through improvement. The technical solution of the present invention is:

[0026] like Figure 1-Figure 10As shown, an anti-oxidation coating device for copper foil rolls includes a feeding bottom plate 1 and a pressing table 2. The top of the feeding bottom plate 1 is fixedly connected to a mounting side plate 3, the top of the mounting side plate 3 is fixedly connected to a mounting top plate 4, the inside of the mounting top plate 4 is fixedly connected to two adhesive storage boxes 8, the bottom of the adhesive storage box 8 is fixedly connected to an adhesive spraying roller 9, the inside of the adhesive spraying roller 9 is rotatably connected to a helical gear roller 12, two synchronous motors 11 are installed on one side of the mounting side plate 3, the output end of the synchronous motor 11 is fixedly connected to the helical gear roller 12, the inner side of the mounting side plate 3 is rotatably connected to a coating roller 28, and a spraying slot is provided on the side of the adhesive spraying roller 9 close to the coating roller 28. The inner side of the mixture storage box 8 is fixedly connected with an inner fixed frame 13, and the bottom of the inner fixed frame 13 is slidably connected with an inner plug-in plate 15. The top inner wall of the inner fixed frame 13 is fixedly connected with an inner push spring 14, and the inner push spring 14 is fixedly connected to the top of the inner plug-in plate 15. The bottom inclined surface of the inner plug-in plate 15 has the same angle as the outer teeth of the helical gear roller 12. The inner plug-in plate 15 is slidably connected to the bottom of the adhesive storage box 8. The top of the mounting top plate 4 is fixedly connected with a discharge side plate 5. The inner side of the discharge side plate 5 is rotatably connected with two film introduction rollers 10. The two film introduction rollers 10 are respectively located on both sides of the two adhesive storage boxes 8. The top of the discharge side plate 5 is fixedly connected with a feed mounting block 6. The feed mounting block 6 is rotatably connected to the inner side of two feed rollers 7, and the feed rollers 7 are located on the top of two adhesive storage boxes 8. The inner side of the mounting side plate 3 is rotatably connected to a film transfer roller 16, and the film transfer roller 16 is located at the bottom of two adhesive spray rollers 9. When in use: the adhesive is introduced by connecting the adhesive storage box 8 with the adhesive pipe, so that the adhesive flows to the inner side of the adhesive spray roller 9 and is stored in the outer tooth portion of the helical gear roller 12. After that, the synchronous motor 11 is started, and the helical gear roller 12 and the adhesive spray roller 9 rotate inside, so that the adhesive flows through the spray slot along the tooth slope of the helical gear roller 12 and is discharged in equal amounts. At the same time, the inner insert plate 15 is inserted into the teeth of the helical gear roller 12. When the helical gear roller 12 rotates, the adhesive is discharged along the helical gear roller 12. The inclined surface opens the tooth groove of the helical tooth roller 12 to absorb the adhesive. After the inner insert plate 15 passes over one tooth, it is pushed by the inner push spring 14 to insert the inner insert plate 15 into the next tooth groove, squeezing the internal air and the undischarged adhesive to facilitate the next suction of the adhesive. While the inner insert plate 15 moves up and down, it vibrates the adhesive inside the adhesive storage box 8 to move the air bubbles upward and discharge, so that the copper foil passes from the inner side of the feed roller 7 and the bottom of the transfer roller 16. The bottom and top films pass through the film introduction roller 10, and then pass between the installation long plate 18 and the adhesive ejection roller 9, so that the top of the film is coated with adhesive, and the bottom film passes through the bottom of the transfer roller 16 and contacts with the copper foil for bottom coating.

[0027] Furthermore, the top inner wall and the bottom inner wall of the pressing table 2 are respectively fixedly connected with three mounting long plates 18, the tops of the mounting long plates 18 are fixedly connected with telescopic cylinders 19, the tops of the telescopic cylinders 19 are fixedly connected with two extrusion connecting plates 21, the interiors of the telescopic cylinders 19 are provided with extrusion springs 20, both ends of the extrusion connecting plates 21 are fixedly connected with extrusion fixing shafts 22, the outer sides of the extrusion fixing shafts 22 are rotatably connected with the pressing rollers 17, and the top pressing rollers 17 and the bottom pressing rollers 17 are tightly attached to each other, the inner sides of the two extrusion connecting plates 21 are fixedly connected with the mounting base 23, the top of the mounting base 23 is fixedly connected with a triangular pressing block 24, the two triangular pressing blocks 24 are tightly attached to each other, and the triangular pressing blocks 24 are arrow-shaped, the contact corners of the two triangular pressing blocks 24 are both rounded, and the bottom inner wall of the pressing table 2 is fixedly connected There are two collecting boxes 25, the top of which is fixedly connected with an collecting block 27, the triangular pressing block 24 is tightly attached to both sides of the triangular pressing block 24, and one side of the collecting box 25 is connected with a discharge pipe 26; when in use: the copper foil passes between the two pressing rollers 17, so that the top film is covered on the top of the copper foil by the pressing roller 17, and then passes between the two pressing rollers 17 at the same time, and then passes between the two triangular pressing blocks 24, and the two triangular pressing blocks 24 are pushed by the extrusion spring 20 to make the two triangular pressing blocks 24 tightly attached to the top and bottom of the copper foil, and continue to squeeze the copper foil and the film, and the adhesive between the copper foil and the film and the bubbles are discharged to both sides along the triangular pressing blocks 24 through the rounded corners of the triangular pressing blocks 24, so that the adhesive slides to the collecting box 25 through the collecting block 27, and is discharged through the discharge pipe 26. Because it does not contact foreign objects, it can be reused.

[0028] Working principle: When in use: the adhesive is introduced by connecting the adhesive storage box 8 with the adhesive pipe, so that the adhesive flows to the inner side of the adhesive spray roller 9 and is stored in the outer tooth part of the helical gear roller 12. Then the synchronous motor 11 is started, the helical gear roller 12 and the adhesive spray roller 9 rotate internally, so that the adhesive flows through the spray slot along the tooth slope of the helical gear roller 12 and is discharged in equal amounts. At the same time, the inner insert plate 15 is inserted into the teeth of the helical gear roller 12. When the helical gear roller 12 rotates, the tooth groove of the helical gear roller 12 is opened along the slope to absorb the adhesive. After the inner insert plate 15 passes over a tooth, it is pushed by the inner push spring 14 to insert the inner insert plate 15 into the next tooth groove, squeezing the internal air and the undischarged adhesive to facilitate the next adhesive suction. While the inner insert plate 15 moves up and down, it vibrates the adhesive inside the adhesive storage box 8, so that the air bubbles move up and are discharged, so that the copper foil is discharged from the inner of the feed roller 7. The film passes through the side, passes through the bottom of the transfer roller 16, and the bottom and top films pass through the film introduction roller 10, and then pass through the installation long plate 18 and the adhesive spraying roller 9, so that the top of the film is coated with adhesive, and the bottom film passes through the bottom of the transfer roller 16 and contacts with the copper foil for bottom coating. The copper foil passes between the two pressing rollers 17, so that the top film passes through the pressing roller 17 and is coated on the top of the copper foil, and then passes between the two pressing rollers 17 at the same time, and then passes between the two triangular pressing blocks 24. The two triangular pressing blocks 24 are pushed by the extrusion spring 20 to make them close to the top and bottom of the copper foil, and continue to squeeze the copper foil and the film. The adhesive between the copper foil and the film and the bubbles are discharged to both sides along the triangular pressing blocks 24 through the rounded corners, so that the adhesive slides through the aggregate block 27 to the aggregate box 25, and is discharged through the discharge pipe 26. Because it does not contact foreign objects, it can be reused.

[0029] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-oxidation coating device for copper foil rolls, comprising a loading base plate (1) and a pressing table (2), characterized in that: The top of the loading bottom plate (1) is fixedly connected to a mounting side plate (3), the top of the mounting side plate (3) is fixedly connected to a mounting top plate (4), the interior of the mounting top plate (4) is fixedly connected to two adhesive storage boxes (8), the bottom of the adhesive storage box (8) is fixedly connected to an adhesive spray roller (9), the interior of the adhesive spray roller (9) is rotatably connected to a beveled gear roller (12), one side of the mounting side plate (3) is equipped with two synchronous motors (11), the output end of the synchronous motor (11) is fixedly connected to the beveled gear roller (12), the inner side of the mounting side plate (3) is rotatably connected to a coating roller (28), and a spraying slot is provided on the side of the adhesive spray roller (9) close to the coating roller (28).

2. The anti-oxidation coating device for a copper foil roll according to claim 1, characterized in that: The inner side of the adhesive storage box (8) is fixedly connected to an inner fixed frame (13), the bottom of the inner fixed frame (13) is slidably engaged with an inner plug-in plate (15), the top inner wall of the inner fixed frame (13) is fixedly connected to an inner push spring (14), the inner push spring (14) is fixedly connected to the top of the inner plug-in plate (15), the bottom inclined surface of the inner plug-in plate (15) is the same as the angle of the outer teeth of the helical gear roller (12), and the inner plug-in plate (15) is slidably engaged with the bottom of the adhesive storage box (8).

3. The anti-oxidation coating device for a copper foil roll according to claim 2, characterized in that: The top of the mounting top plate (4) is fixedly connected to a discharge side plate (5), and the inner side of the discharge side plate (5) is rotatably connected to two film introduction rollers (10), and the two film introduction rollers (10) are respectively located on both sides of two adhesive storage boxes (8). The top of the discharge side plate (5) is fixedly connected to a feed mounting block (6), and the inner side of the feed mounting block (6) is rotatably connected to two feed rollers (7), and the feed rollers (7) are located on the tops of the two adhesive storage boxes (8). The inner side of the mounting side plate (3) is rotatably connected to a film transfer roller (16), and the film transfer roller (16) is located at the bottom of the two adhesive spray rollers (9).

4. The anti-oxidation coating device for a copper foil roll according to claim 3, characterized in that: The top inner wall and the bottom inner wall of the pressing table (2) are respectively fixedly connected with three long mounting plates (18), the top of each long mounting plate (18) is fixedly connected with a telescopic cylinder (19), the top of each telescopic cylinder (19) is fixedly connected with two extrusion connecting plates (21), and the interior of each telescopic cylinder (19) is provided with an extrusion spring (20).

5. The anti-oxidation coating device for a copper foil roll according to claim 4, characterized in that: The two ends of the extrusion connection plate (21) are fixedly connected to an extrusion fixed shaft (22), and the outer side of the extrusion fixed shaft (22) is rotatably connected to a pressing roller (17), and the top pressing roller (17) and the bottom pressing roller (17) are in close contact with each other.

6. The anti-oxidation coating device for a copper foil roll according to claim 5, characterized in that: The inner sides of the two extruded connecting plates (21) are fixedly connected to a mounting base (23), and the top of the mounting base (23) is fixedly connected to a triangular pressing block (24). The two triangular pressing blocks (24) are tightly attached to each other, and the triangular pressing blocks (24) are arrow-shaped, and the contacting corners of the two triangular pressing blocks (24) are both rounded.

7. The anti-oxidation coating device for a copper foil roll according to claim 6, characterized in that: Two material collection boxes (25) are fixedly connected to the inner wall of the bottom of the pressing table (2), and a material collection block (27) is fixedly connected to the top of the material collection box (25). The triangular pressing block (24) is tightly attached to the two sides of the triangular pressing block (24), and one side of the material collection box (25) is connected to a discharge pipe (26).