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. 23, 2018

Filed:

Apr. 06, 2015
Applicants:

Bridgestone Corporation, Tokyo, JP;

Tachi-s Co., Ltd., Tokyo, JP;

Inventors:

Kenji Kumagai, Tokyo, JP;

Junpei Yoshikawa, Tokyo, JP;

Kei Miyata, Tokyo, JP;

Assignees:

BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;

TACHI-S CO., LTD., Akishima-shi, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 7/72 (2006.01); B60N 2/56 (2006.01); A47C 27/14 (2006.01); A47C 7/74 (2006.01); B68G 11/04 (2006.01);
U.S. Cl.
CPC ...
B60N 2/5664 (2013.01); A47C 7/746 (2013.01); A47C 27/14 (2013.01); B60N 2/5621 (2013.01); B68G 11/04 (2013.01);
Abstract

Providing a seat pad that can provide good sitting comfortability with bonding between a ventilation member and an expanded resin foam included in the seat pad ensured. A seat padincluding a ventilation memberhaving a function that lets air through to/from an outside, the seat padbeing formed by integral expansion molding of an expandable resin material M with the ventilation memberintroduced therein, includes a covering memberthat covers at least a part of the ventilation memberat an interface between the ventilation memberand the expandable resin material M, and the covering memberincludes an impregnation inhibiting material having a function that inhibits infiltration of the expandable resin material M, the function being at least higher than that of the ventilation member


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