JPS5553528A - Method of forming slits on inner surfaces of plastic tube - Google Patents
Method of forming slits on inner surfaces of plastic tubeInfo
- Publication number
- JPS5553528A JPS5553528A JP12581578A JP12581578A JPS5553528A JP S5553528 A JPS5553528 A JP S5553528A JP 12581578 A JP12581578 A JP 12581578A JP 12581578 A JP12581578 A JP 12581578A JP S5553528 A JPS5553528 A JP S5553528A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- core
- recessions
- plastic tube
- cut
- 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
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To provide the subject method comprising the steps of inserting a core having recessions and a cutting blade into a plastic tube and bringing pressure bodies into abutment with recessions from the out side of the shifting tube thereby to prevent the movement of the core and form cut-groove for seal opening.
CONSTITUTION: A core 2 provided with recessions 3 and 3' is inserted beforehand into a heat-shrinking plastic tube 1 such as a vinyl chloride resin tube or the like. Rollers 4 and 4' as pressure bodies are disposed at the outer surface of the tube 1 so that they are fitted in the recessions 3 and 3' of the core 2, and the tube 1 is caused to continuously travel in the direction indicated by arrow A. The core 2 does not move in accordance with the tube 1, and a cut-groove is cut on the inner surface of the tube 1 by the blade 5 being installed at the core 2.
USE: For use in cap sealing .
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12581578A JPS5553528A (en) | 1978-10-13 | 1978-10-13 | Method of forming slits on inner surfaces of plastic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12581578A JPS5553528A (en) | 1978-10-13 | 1978-10-13 | Method of forming slits on inner surfaces of plastic tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5553528A true JPS5553528A (en) | 1980-04-19 |
| JPS6259644B2 JPS6259644B2 (en) | 1987-12-11 |
Family
ID=14919609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12581578A Granted JPS5553528A (en) | 1978-10-13 | 1978-10-13 | Method of forming slits on inner surfaces of plastic tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5553528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002001848A (en) * | 2000-06-26 | 2002-01-08 | Daiichi Vinyl Kk | Resin-coated pipe easy to recycle |
| JP2003516889A (en) * | 1999-12-14 | 2003-05-20 | スリーエム イノベイティブ プロパティズ カンパニー | Embossed film with controlled tearing |
-
1978
- 1978-10-13 JP JP12581578A patent/JPS5553528A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003516889A (en) * | 1999-12-14 | 2003-05-20 | スリーエム イノベイティブ プロパティズ カンパニー | Embossed film with controlled tearing |
| JP4668502B2 (en) * | 1999-12-14 | 2011-04-13 | スリーエム イノベイティブ プロパティズ カンパニー | Embossed film with controlled tearing |
| JP2002001848A (en) * | 2000-06-26 | 2002-01-08 | Daiichi Vinyl Kk | Resin-coated pipe easy to recycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6259644B2 (en) | 1987-12-11 |
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