Patent · US Expired

Forming press mat utilizes trays formed of thin bottom plates and separate annular frames

US4711111A · kind A · utility

8Cited by
7References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 30, 1986
Grant dateDec 8, 1987
Priority date
Expiry dateMay 30, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49805
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A press plant with a forming press of the pressure cell type for enhancing the forming space of the press, especially with regard to depth, which is accomplished according to the invention in that the tray has a planar bottom plate with a detachable tray frame resting thereon, the axial loads induced by the working pressure on the short ends of the tray frame in this manner being absorbed by an annular frame or the like, whereby the forming space of the inventive press plate will not be restricted by working pressure dependent dimensioning factors.

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