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IT1192098B - Drum for hides hot stretching - Google Patents

Drum for hides hot stretching

Info

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
Application number
IT41593/85A
Other languages
Italian (it)
Other versions
IT8541593A0 (en
Inventor
Lino Belluzzi
Original Assignee
Ge Ma Ta Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ge Ma Ta Spa filed Critical Ge Ma Ta Spa
Priority to IT41593/85A priority Critical patent/IT1192098B/en
Publication of IT8541593A0 publication Critical patent/IT8541593A0/en
Application granted granted Critical
Publication of IT1192098B publication Critical patent/IT1192098B/en

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
IT41593/85A 1985-09-06 1985-09-06 Drum for hides hot stretching IT1192098B (en)

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)

Also Published As

Publication number Publication date
IT8541593A0 (en) 1985-09-06

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