Patent · US Active

Mold stack having an air valve

US9254598B2 · kind B2 · utility

1Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2013
Grant dateFeb 9, 2016
Priority date
Expiry dateMar 5, 2033

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/565
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed herein, amongst other things is a first stack portion (112, 212) of a mold stack (110, 210) for use in an injection mold (100, 200). The first stack portion (112, 212) includes a first stack member that is configured to define a molding cavity (116, 216) in cooperation with a second stack portion (114, 214) of the mold stack (110, 210), a second stack member that is movable relative to the first stack member, and an air valve (160, 260) is defined between the first stack member and the second stack member, the air valve (160, 260) being selectively actuatable with relative movement of the first stack member and the second stack member.

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