IT1192098B - Drum for hides hot stretching - Google Patents
Drum for hides hot stretchingInfo
- Publication number
- IT1192098B IT1192098B IT41593/85A IT4159385A IT1192098B IT 1192098 B IT1192098 B IT 1192098B IT 41593/85 A IT41593/85 A IT 41593/85A IT 4159385 A IT4159385 A IT 4159385A IT 1192098 B IT1192098 B IT 1192098B
- Authority
- IT
- Italy
- Prior art keywords
- pipe
- ptfe
- opening
- drum
- mandrel
- Prior art date
Links
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 6
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The method is esp. intended for lining diaphragm valve bodies. A straight PTFE pipe is inserted into the component so that it extends beyond each end of the component. A warm support mandrel is then introduced into the PTFE pipe. The ends of the PTFE pipe (32) are held in press and axially compressed by force of 0.1-6 KN. The PTFE pipe is then drilled at the opening (5) and a drawing mandrel is inserted into the pipe (3). The pipe (3) is heated to 180-400 deg.C in the vicinity of the opening. The drawing mandrel is pulled out through the opening using a drawing tool. Finally the ends (32) of the PTFE pipe (3) are trimmed and/or a pipe extension (4) with PTFE lining is added
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT41593/85A IT1192098B (en) | 1985-09-06 | 1985-09-06 | Drum for hides hot stretching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT41593/85A IT1192098B (en) | 1985-09-06 | 1985-09-06 | Drum for hides hot stretching |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8541593A0 IT8541593A0 (en) | 1985-09-06 |
IT1192098B true IT1192098B (en) | 1988-03-31 |
Family
ID=11251705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT41593/85A IT1192098B (en) | 1985-09-06 | 1985-09-06 | Drum for hides hot stretching |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1192098B (en) |
-
1985
- 1985-09-06 IT IT41593/85A patent/IT1192098B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8541593A0 (en) | 1985-09-06 |
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