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:
Feb. 16, 1988
Filed:
May. 22, 1986
Applicant:
Inventors:
Jean Gavinet, Orsay, FR;
Michel Lebouc, Limours, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21C / ;
U.S. Cl.
CPC ...
72467 ; 72481 ;
Abstract
Drawplate for hot drawing. This drawplate comprises a central core hooped into a mount and is provided with an axial channel successively defining an intake cone, a working cone, a cylindrical bearing and an outlet. The mount is formed from two parts, which are assembled with one another with a small clearance. The clearance between the parts and the geometry thereof are such that during the drawing operation the core is subject to isostatic stressing. Therefore, it is possible to use for the production of the core, fragile materials, e.g. ceramic materials or refractory alloys, such as cobalt or molybdenum-based superalloys.