JPS641415A - Resin sheet for embedded pipe - Google Patents

Resin sheet for embedded pipe

Info

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
Application number
JP62154464A
Other languages
Japanese (ja)
Other versions
JPH0452047B2 (en
JPH011415A (en
Inventor
Ryoji Takashima
Kazuhiko Suzuki
Toru Ueki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP62154464A priority Critical patent/JPS641415A/en
Publication of JPH011415A publication Critical patent/JPH011415A/en
Publication of JPS641415A publication Critical patent/JPS641415A/en
Publication of JPH0452047B2 publication Critical patent/JPH0452047B2/ja
Granted legal-status Critical Current

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
JP62154464A 1987-06-23 1987-06-23 Resin sheet for embedded pipe Granted JPS641415A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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