IT1192219B - Fat spots removing prod. - Google Patents
Fat spots removing prod.Info
- Publication number
- IT1192219B IT1192219B IT4820877A IT4820877A IT1192219B IT 1192219 B IT1192219 B IT 1192219B IT 4820877 A IT4820877 A IT 4820877A IT 4820877 A IT4820877 A IT 4820877A IT 1192219 B IT1192219 B IT 1192219B
- Authority
- IT
- Italy
- Prior art keywords
- pipe
- ptfe
- opening
- prod
- mandrel
- Prior art date
Links
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 |
---|---|---|---|
IT4820877A IT1192219B (en) | 1977-02-25 | 1977-02-25 | Fat spots removing prod. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT4820877A IT1192219B (en) | 1977-02-25 | 1977-02-25 | Fat spots removing prod. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1192219B true IT1192219B (en) | 1988-03-31 |
Family
ID=11265240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT4820877A IT1192219B (en) | 1977-02-25 | 1977-02-25 | Fat spots removing prod. |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1192219B (en) |
-
1977
- 1977-02-25 IT IT4820877A patent/IT1192219B/en active
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