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:
Jul. 22, 2014

Filed:

Nov. 17, 2009
Applicants:

Tsuneo Komiyama, Toki, JP;

Nobuhiro Matsumoto, Toki, JP;

Inventors:

Tsuneo Komiyama, Toki, JP;

Nobuhiro Matsumoto, Toki, JP;

Assignees:

NGK Insulators, Ltd., Nagoya, JP;

NGK Adrec Co., Ltd., Kani-Gun, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D 5/00 (2006.01); C21D 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shelf assembly for firing including plural struts for supporting shelf boards arranged upright in two or more rows in a cross direction and in three or more rows in a longitudinal direction on a longitudinally-long car with tie-beams connecting the struts. A thermal stress relief structure is provided in which the struts arranged upright in the adjacent rows in the longitudinal direction are connected only with tie-beams slanted in a cross direction between the struts, with the thermal stress relief structure preventing warpage or damage of the struts resulting from a bending stress generated in the longitudinal direction at the fixing parts of the struts.


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