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:
Jan. 14, 1992

Filed:

Jul. 07, 1989
Applicant:
Inventors:

Yoshiyuki Ishibashi, Osaka, JP;

Hideo Takahashi, Osaka, JP;

Akihiko Isomura, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
454370 ; 55159 ; 553854 ;
Abstract

A resin molded product is provided comprising a membrane having at least one opening formed therethrough. The resin molded product includes a molded body having a pair of first and second portions joined respectively to opposite sides of the membrane, the molded body having at least one connective portion interconnecting the pair of first and second portions and disposed in the opening. The membrane is either of a nonporous construction or a porous construction having a pore size of not more than 100 .mu.m. In addition, a method of producing the resin molded product is provided. The resin molded product of the invention is suited for an air vent device, a filter, a diaphragm device, or the like.


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