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:
Feb. 01, 2000

Filed:

Dec. 23, 1997
Applicant:
Inventors:

Hisao Yokoya, Tokyo, JP;

Kenzo Takahashi, Tokyo, JP;

Hidemoto Arai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165166 ; 165905 ;
Abstract

A spacer for heat exchangers comprising a plate for forming and maintaining a first passage and a second passage which carry out heat exchange therebetween; and the plate made of a material obtainable by mixing a fibrous material having a softening point and a resin material having a lower softening point than the fibrous material, followed by sheeting the mixture.


Find Patent Forward Citations

Loading…