The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 19, 1991
Filed:
May. 31, 1990
Frederick L Knoll, Kent, WA (US);
The Boeing Company, Seattle, WA (US);
Abstract
One method of forming a workpiece made of thermoformable material includes the steps of: (a) supporting a raw workpiece on a suspension tray; (b) moving a pair of relatively hot forming dies into position above the workpiece; (c) closing the hot forming dies against the workpiece to heat the workpiece and to form and shape the workpiece into the desired configuration; (d) opening the hot forming dies and removing the hot forming dies away from the workpiece; (e) moving a pair of relatively cold forming dies into position above and below the workpiece; (f) closing the cold forming dies against the workpiece to cool the workpiece while maintaining the workpiece in the desired configuration; and, (g) opening the cold forming dies and removing the finished workpiece form the suspension tray. Other methods are also disclosed.