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:
Apr. 23, 1991
Filed:
Mar. 02, 1990
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Abstract
Described herein is an interlock system for an isostatic press machine of the type including a high pressure container having upper and lower closure plugs releasably received in upper and lower openings to be used for loading and unloading work therethrough, and a holder frame for supporting the axial force of the container in an isostatic pressing phase of the press operation, the holder frame being pivotally supported at one side thereof for swinging movements about a vertical axis into and out of a holding position in engagement with the high pressure container, wherein the interlock system is provided with a lock mechanism constantly urged to lock the holder frame in the holding position, and a control means adapted to control the lock mechanism to maintain the lock on the holder frame when the internal pressure of the high pressure container is higher than a predetermined level and to release the lock when lower than the predetermined level.