Patent · US Active

Stretch forming apparatus with supplemental heating and method

US8661869B2 · kind B2 · utility

1Cited by

44References

24Claims

0Family size

Assignee

CYRIL BATH COMPANY · US

Inventors

Larry Alexander Polen · Matthews, US
Thomas Sandy Houston · Waxhaw, US
John Owens · Avon, US

Key dates

Filing date	Nov 30, 2009
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Mar 25, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D11/02
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A stretch-forming apparatus includes a main frame which carries a die enclosure between jaw assemblies. The die enclosure includes radiant heaters for supplying heat to a workpiece being stretch-formed against the die.

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