JPS571719A - Method of calender forming - Google Patents
Method of calender formingInfo
- Publication number
- JPS571719A JPS571719A JP7409680A JP7409680A JPS571719A JP S571719 A JPS571719 A JP S571719A JP 7409680 A JP7409680 A JP 7409680A JP 7409680 A JP7409680 A JP 7409680A JP S571719 A JPS571719 A JP S571719A
- Authority
- JP
- Japan
- Prior art keywords
- roll
- sheet
- side ends
- last
- widthwise direction
- 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
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
PURPOSE: To prevent the break of a sheet occured in a subsequent process by a method wherein both side ends of the sheet on a last calender roll are contacted with rolls rotating toward insides in the widthwise direction of the sheet to roll both of the side ends in.
CONSTITUTION: The biting rolls 6, being rotated toward insides in the widthwise direction of the sheet 1, are contacted with both side ends 11 of the sheet 1 wound around the last calender roll 2 in a calender roll group A at the contacting points between the sheet 1 and the roll 2 to turn up the side ends 11 of the sheet 1 and roll them into the insides in the widthwise direction of the sheet 1. Subsequently, the sheet 1 is separated from the last roll 2 at line C-C and is cooled perfectly through a take-off roll 3 and a roll 4 for stretching and cooling, thereafter, is rolled around a winder 5 into a coil shape. The rotating speed of the roll 6 is preferable to be 0.7W5 times of the peripheral speed of the last roll 2 and it is preferable to provide on the surface of the roll 6 with recesses and protrusions or grooves in order to facilitate the biting of the side ends of the sheet 1.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7409680A JPS571719A (en) | 1980-06-02 | 1980-06-02 | Method of calender forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7409680A JPS571719A (en) | 1980-06-02 | 1980-06-02 | Method of calender forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS571719A true JPS571719A (en) | 1982-01-06 |
Family
ID=13537305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7409680A Pending JPS571719A (en) | 1980-06-02 | 1980-06-02 | Method of calender forming |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS571719A (en) |
-
1980
- 1980-06-02 JP JP7409680A patent/JPS571719A/en active Pending
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