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.:
Date of Patent:
Oct. 27, 1998
Filed:
Mar. 26, 1997
Applicant:
Inventors:
Hiroyasu Koizumi, Tokyo, JP;
Hisashi Onuki, Tokyo, JP;
Assignee:
Calsonic Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29726 ; 29890039 ;
Abstract
A temporary assembling unit for a heat exchanger core including a pair of parallel feed shafts placed facing each other in a predetermined spacing, includes spiral tube guide grooves for guiding ends of a tube of the heat exchanger; and spiral fin guide parts for guiding ends of a corrugated fin of the heat exchanger, the spiral fin guide parts being disposed between the tube guide grooves; wherein an outer diameter of the fin guide part positioned in a supply section of the corrugated fin is smaller than an outer diameter of the tube guide groove.