Patent · US Expired

Installation for deep-drawing and back-foaming of upholstery covers

US4964794A · kind A · utility

1Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 1989
Grant dateOct 23, 1990
Priority date
Expiry dateJul 10, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C51/04
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

In an installation for deep-drawing and back-foaming of upholstery covers, the deep-drawing molds are disposed on a round table. Besides the round table for the deep-drawing molds, a stationary stretch piston station is provided, serving all deep-drawing molds on the round table passing the stretch piston station.

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