Patent · US Expired

Hydraulic system for glass bending apparatus with pressure release assembly

US4119427A · kind A · utility

7Cited by
6References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 27, 1977
Grant dateOct 10, 1978
Priority date
Expiry dateDec 27, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03B2225/02
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A press actuating hydraulic system for a glass bending apparatus including a pressure release valve assembly operable to assure press member retraction in the event of a pressure failure in the main pressure supply conduit controlling actuation of the press member.

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