IT1192406B - Sewing machine for sheet pads prodn. - Google Patents

Sewing machine for sheet pads prodn.

Info

Publication number
IT1192406B
IT1192406B IT09383/82A IT938382A IT1192406B IT 1192406 B IT1192406 B IT 1192406B IT 09383/82 A IT09383/82 A IT 09383/82A IT 938382 A IT938382 A IT 938382A IT 1192406 B IT1192406 B IT 1192406B
Authority
IT
Italy
Prior art keywords
pipe
ptfe
opening
prodn
sewing machine
Prior art date
Application number
IT09383/82A
Other languages
Italian (it)
Other versions
IT8209383A0 (en
Inventor
Romano Conti
Original Assignee
Romano Conti
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 Romano Conti filed Critical Romano Conti
Priority to IT09383/82A priority Critical patent/IT1192406B/en
Publication of IT8209383A0 publication Critical patent/IT8209383A0/en
Application granted granted Critical
Publication of IT1192406B publication Critical patent/IT1192406B/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
IT09383/82A 1982-04-22 1982-04-22 Sewing machine for sheet pads prodn. IT1192406B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT09383/82A IT1192406B (en) 1982-04-22 1982-04-22 Sewing machine for sheet pads prodn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT09383/82A IT1192406B (en) 1982-04-22 1982-04-22 Sewing machine for sheet pads prodn.

Publications (2)

Publication Number Publication Date
IT8209383A0 IT8209383A0 (en) 1982-04-22
IT1192406B true IT1192406B (en) 1988-04-13

Family

ID=11129305

Family Applications (1)

Application Number Title Priority Date Filing Date
IT09383/82A IT1192406B (en) 1982-04-22 1982-04-22 Sewing machine for sheet pads prodn.

Country Status (1)

Country Link
IT (1) IT1192406B (en)

Also Published As

Publication number Publication date
IT8209383A0 (en) 1982-04-22

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