Patent · US Expired

Redraw apparatus for a can body making apparatus

US4807459A · kind A · utility

13Cited by
14References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 1987
Grant dateFeb 28, 1989
Priority date
Expiry dateJul 1, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D22/30
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A redraw apparatus is provided for a can body making apparatus wherein the redraw carriage of the redraw apparatus is mounted for substantially friction-free sliding reciprocating movement over a pair of spaced apart support posts which are fixedly mounted on the housing holding the can forming and ironing dies. Also, a counterbalancing system is provided for applying a force to counterbalance the weight of a portion of structures used to reciprocate the redraw carriage.

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