Patent · US Expired

Method for installing a sealing body in a groove of a socket and pipe part of plastic material

US4351791A · kind A · utility

3Cited by
8References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 16, 1980
Grant dateSep 28, 1982
Priority date
Expiry dateDec 16, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2045/14459
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Method for installing a sealing body in a groove of a socket by forming a closed space in the inner side of the socket. Said closed space is bound by an inner core and an inflatable core being connected with each other by a connecting wall part and is filled with a flowable thermoplastic elastomer through an opening in the wall of the groove. After setting of the thermoplastic elastomer, the two cores are removed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.