Patent · US Expired

Support for an intermediate platen of a stack mold

US4408981A · kind A · utility

37Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 18, 1982
Grant dateOct 11, 1983
Priority date
Expiry dateJun 18, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2045/326
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An intermediate platen carrying two inner plates of a stack mold, coacting with two outer plates respectively mounted on a stationary and a movable platen of an injection-molding machine which are interconnected by a set of four tie bars, has a pair of forwardly extending and a pair of rearwardly extending outrigger arms terminating in respective shoes which slide on two of the tie bars, preferably the lower ones.

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