JPS6461225A - Manufacture of heat-shrinkable tube - Google Patents
Manufacture of heat-shrinkable tubeInfo
- Publication number
- JPS6461225A JPS6461225A JP21861287A JP21861287A JPS6461225A JP S6461225 A JPS6461225 A JP S6461225A JP 21861287 A JP21861287 A JP 21861287A JP 21861287 A JP21861287 A JP 21861287A JP S6461225 A JPS6461225 A JP S6461225A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- mold release
- release tape
- shrinkable tube
- heat
- 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.)
- Pending
Links
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE:To open the inside easily after even a polymer having self-adhesion has been made into a heat-shrinkable tube, by a method wherein a mold release tape is inserted into the tube which is in a process prior to expansion and then the tube is expanded. CONSTITUTION:A mold release tape 2 such as kraft paper or the mold release tape 2 obtained by performing mold release treatment on the surface of the kraft paper with tetrafluoroethylene resin is inserted within the tube 1 molded by extrusion at the time of extrusion molding. Air is fed within the above- mentioned tube 1, the tube 1 is heated at the softening point or higher with a preheating pipe 13, expansion molding is performed with a sizing die 5, pressed by a pinch roller 15 and a flat heat-shrinkable tube 3 having an inner mold release tape 2 is obtained. Even a part which is stuck through adhesion can be opened easily by removing the inner mold release tape 2 by cutting the flat heat-shrinkable tube 3 like this into predetermined lengths.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21861287A JPS6461225A (en) | 1987-09-01 | 1987-09-01 | Manufacture of heat-shrinkable tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21861287A JPS6461225A (en) | 1987-09-01 | 1987-09-01 | Manufacture of heat-shrinkable tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6461225A true JPS6461225A (en) | 1989-03-08 |
Family
ID=16722684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21861287A Pending JPS6461225A (en) | 1987-09-01 | 1987-09-01 | Manufacture of heat-shrinkable tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6461225A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011162668A (en) * | 2010-02-10 | 2011-08-25 | Sumitomo Electric Ind Ltd | Resin composition for heat-shrinkable tube, cross-linked tube using the same, and heat-shrinkable tube |
-
1987
- 1987-09-01 JP JP21861287A patent/JPS6461225A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011162668A (en) * | 2010-02-10 | 2011-08-25 | Sumitomo Electric Ind Ltd | Resin composition for heat-shrinkable tube, cross-linked tube using the same, and heat-shrinkable tube |
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