Patent · US Active

Thermoforming apparatus

US8807983B2 · kind B2 · utility

2Cited by

2References

5Claims

0Family size

Assignee

SAAB AB · SE

Inventors

Mikael Petersson · Säter, SE
Per Hallander · Säter, SE
Jan Andersson · Ystad, SE
Anders Westerdahl · Säter, SE

Key dates

Filing date	Nov 28, 2008
Grant date	Aug 19, 2014
Priority date	—
Expiry date	May 26, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C51/424
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A thermoforming apparatus for forming a blank into a composite article. The thermoforming apparatus includes a forming tool. A forming member forms the blank over the forming tool. A first chamber is arranged for containing the blank. A second chamber is separated from the first chamber by the forming member. A first air circulator is configured to circulate air in the first chamber for achieving a heat distribution to the blank. The first air circulator includes a controllable valve member. The apparatus also includes a second air circulator. A method for forming a blank during circulation of air in a first chamber.

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