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.:

US 8448671 B1

PDF
Full Text
Expired
Date of Patent:
May. 28, 2013

Filed:

Mar. 31, 2009
Applicants:

Masaaki Onodera, Kanagawa, JP;

Takehiko Sumi, Tokyo, JP;

Teruo Tamada, Kanagawa, JP;

Yu Igarashi, Kanagawa, JP;

Yoshinori Ohno, Kanagawa, JP;

Inventors:

Masaaki Onodera, Kanagawa, JP;

Takehiko Sumi, Tokyo, JP;

Teruo Tamada, Kanagawa, JP;

Yu Igarashi, Kanagawa, JP;

Yoshinori Ohno, Kanagawa, JP;

Assignee:

Kyoraku Co., Ltd., Kyoto-shi, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

[Problem] To provide a light-weight air conditioning duct for vehicle that is light in weight and excellent in mechanical strength. [Solution] The present invention is directed to a light-weight air conditioning duct for vehiclefor letting conditioned air supplied from an air conditioning unit pass through to a desired location, the duct being obtained by blow-molding a mixed resin including a polypropylene-based resin for foaming and a hydrogenated styrene-based thermoplastic elastomer, and the duct having an Izod impact strength equal to or larger than 10 J/m at −20 degrees Celsius.


Find Patent Forward Citations

Onodera, Masaaki. (2013). Light-weight air conditioning duct for vehicle (U.S. Patent No. 8448671). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8448671

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