Patent · US Expired

Segmented blow pin for molding machines employing replaceable cutting ring

US4631020A · kind A · utility

6Cited by
10References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 1985
Grant dateDec 23, 1986
Priority date
Expiry dateNov 14, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C49/58
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A blow pin for molding machines includes first and second separate members juxtaposed adjacent to each other, with a replaceable cutting member positioned between the first and second members and with a shoulder-fastener arrangement associated with the blow tube for holding the first and second members together with the cutting member therebetween.

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