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:
Oct. 27, 2026

Filed:

Oct. 19, 2021
Applicant:

Nifco Inc., Yokosuka, JP;

Inventors:

Shuichi Hiratsuka, Yokosuka, JP;

Norio Saito, Yokosuka, JP;

Assignee:

NIFCO INC., Yokosuka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/18 (2006.01); B01D 39/20 (2006.01); B21F 27/00 (2006.01); C21D 1/773 (2006.01); C21D 6/00 (2006.01);
U.S. Cl.
CPC ...
C21D 1/18 (2013.01); B01D 39/2044 (2013.01); B21F 27/00 (2013.01); C21D 1/773 (2013.01); C21D 6/004 (2013.01); C21D 2211/001 (2013.01);
Abstract

A method for manufacturing a sintered mesh includes a step of preparing a mesh made of austenite stainless steel and including a plurality of wires extending respectively in intersecting directions, and a step of heat treatment for controlling an ambient temperature of the mesh. The step of heat treatment includes a temperature rising process for raising the ambient temperature to a treatment temperature, a holding process for holding the ambient temperature at the treatment temperature, and a temperature lowing process for lowing the ambient temperature. The treatment temperature is more than an austenitic temperature. The temperature lowering step includes an quenching process, where the ambient temperature is lowered under an argon gas ambient at a temperature lowering speed more than 3° C./min.


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Hiratsuka, Shuichi. (2026). Method for manufacturing stainless steel sintered mesh (U.S. Patent No. 12774501). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774501

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