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. 23, 1988
Filed:
Apr. 30, 1985
Applicant:
Inventors:
Bruno Aubert, Elancourt, FR;
Serge Carpentier, Villecresnes, FR;
Assignee:
Societe Generale pour les Techniques Nouvelles S.G.N., Saint Quentin En Yvelines, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ; B30B / ;
U.S. Cl.
CPC ...
252629 ; 100236 ; 100237 ; 100244 ; 2505061 ; 252628 ; 252633 ;
Abstract
The present invention relates to a method for immobilizing and packing radioactive 'ashes' in a mineral matrix, said method consisting in adjusting the coefficient of expansion of said ashes, molding around said ashes a porcelain in the raw state and taking the whole in one operation to form a hermetically sealed block.