Patent · US Active

Method and apparatus for manufacturing of an article including an empty space

US7758793B2 · kind B2 · utility

2Cited by

3References

9Claims

0Family size

Assignee

SAAB AB · SE

Inventors

Tommy Grankäll · Borensberg, SE
Mikael Petersson · Säter, SE
Per Hallander · Säter, SE
Jan-Erik Lindback · Säter, SE
Björn Weidmann · Borensberg, SE
Jan Andersson · Ystad, SE

Key dates

Filing date	Dec 8, 2008
Grant date	Jul 20, 2010
Priority date	—
Expiry date	Dec 8, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S264/44
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A tool assembly including a male tool including an inner shape tool including a bag having a connection connectable to a depressurization source for providing a vacuum in the bag such that beads therein form a body of firm cohesion providing the inner shape tool rigid. The male tool further includes a flexible, hollow curing support arranged around the rigid inner shape tool, the inner shape tool is arranged to be removable from the flexible, hollow curing support by rupturing the vacuum.

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