JPS641415A - Resin sheet for embedded pipe - Google Patents
Resin sheet for embedded pipeInfo
- Publication number
- JPS641415A JPS641415A JP62154464A JP15446487A JPS641415A JP S641415 A JPS641415 A JP S641415A JP 62154464 A JP62154464 A JP 62154464A JP 15446487 A JP15446487 A JP 15446487A JP S641415 A JPS641415 A JP S641415A
- Authority
- JP
- Japan
- Prior art keywords
- color
- section
- welded
- resin sheet
- naked eye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Laminated Bodies (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
PURPOSE: To enable a welded degree to be easily discriminated even with a naked eye, by setting a thermoplastic resin layer including the pigment of a malting point lower than that of a base sheet, on the one side of welded sections at least.
CONSTITUTION: At a place to be welded on the polypropylene resin sheet of 0.5mm in thickness, the same sort of the resin film 2 of a melting point lower by 40°C including the red pigment of 0.5 weight % is fixed. At a welded section 3, the color of a coloring agent is extinguished, and the color of the section 3 is turned into the color of resin, and the color of a colored section 4 on the periphery of the section 3 is turned deep. Color on the outer periphery of the section 4 is original color as it is, and the three sorts of the color are exactly distinguished from each other, and a welded degree can be exactly discriminated even with a naked eye.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62154464A JPS641415A (en) | 1987-06-23 | 1987-06-23 | Resin sheet for embedded pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62154464A JPS641415A (en) | 1987-06-23 | 1987-06-23 | Resin sheet for embedded pipe |
Publications (3)
Publication Number | Publication Date |
---|---|
JPH011415A JPH011415A (en) | 1989-01-05 |
JPS641415A true JPS641415A (en) | 1989-01-05 |
JPH0452047B2 JPH0452047B2 (en) | 1992-08-20 |
Family
ID=15584815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62154464A Granted JPS641415A (en) | 1987-06-23 | 1987-06-23 | Resin sheet for embedded pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS641415A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0378707A (en) * | 1989-08-23 | 1991-04-03 | Fujikura Ltd | High-strength optical fiber |
JPH03139605A (en) * | 1989-10-26 | 1991-06-13 | Fujikura Ltd | High-strength optical fiber of quartz glass system and production thereof |
JP2008293903A (en) * | 2007-05-28 | 2008-12-04 | Panasonic Electric Works Co Ltd | Spotlight |
-
1987
- 1987-06-23 JP JP62154464A patent/JPS641415A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0378707A (en) * | 1989-08-23 | 1991-04-03 | Fujikura Ltd | High-strength optical fiber |
JPH03139605A (en) * | 1989-10-26 | 1991-06-13 | Fujikura Ltd | High-strength optical fiber of quartz glass system and production thereof |
JP2008293903A (en) * | 2007-05-28 | 2008-12-04 | Panasonic Electric Works Co Ltd | Spotlight |
Also Published As
Publication number | Publication date |
---|---|
JPH0452047B2 (en) | 1992-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |