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:
May. 24, 1983
Filed:
Feb. 05, 1981
Applicant:
Inventor:
Michel Wichoud, Yens, CH;
Assignee:
Institut Cerac S.A., Ecublens, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425-1 ; 264 84 ; 425355 ;
Abstract
A compaction device for compacting powder in which a compaction chamber (16) is formed by a block (1) having a conical bore (9) and a conical sleeve (2) being movable in the bore to be compressed thereby. The taper of sleeve (2) is somewhat smaller than that of the bore (9). A combined shock absorber and extractor, for the compacted powder, which comprises a movable support (4) extending into the compaction chambers (16) and being provided with an enlarged head portion (13) having passages (14). An accumulator (42) is connected to a chamber (22) of the cylinder (11) in which support (4) is movable. The accumulator (42) improves the shock absorbing characteristics.