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:
Mar. 15, 1994
Filed:
Nov. 18, 1992
Applicant:
Inventors:
Jean-Marc Donzac, Saint Medard en Jalles, FR;
Gerard Rousseau, Saint Medard en Jalles, FR;
Pierre Terrade, Saint Medard en Jalles, FR;
Assignee:
Aerospatiale Societe Nationale Industrielle, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ;
U.S. Cl.
CPC ...
264 292 ; 264 296 ; 264 297 ; 264 85 ; 264136 ; 264148 ; 4234474 ; 4234477 ; 4234478 ; 427228 ; 427293 ; 427377 ; 427379 ; 4274346 ; 4274347 ;
Abstract
The process includes impregnating carbon threads with molten pitch in an impregnation tank 4, shaping them by means of a short die 8, subjecting the so thread to thermal treatment by progressive heating while it is continuously passed through a treatment furnace 9, then cutting the shaped member when it leaves the furnace.