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.

Date of Patent:
Jun. 12, 2001

Filed:

Oct. 14, 1998
Applicant:
Inventors:

Tadashi Maruyama, Funabashi, JP;

Shoji Onose, Mito, JP;

Shiro Mitsuno, Yokohama, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 7/10 ; A47G 1/922 ; B32B 9/00 ;
U.S. Cl.
CPC ...
G21C 7/10 ; A47G 1/922 ; B32B 9/00 ;
Abstract

A cylindrical thin-wall sleeve including an SiC fiber-reinforced SiC composite material (SiC/SiC), which has a porosity of 40% or less and a wall thickness of 5 mm or less.


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