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:
Apr. 28, 1998
Filed:
Mar. 29, 1996
Applicant:
Inventors:
Eugene E Rhodes, Belleville, MI (US);
Wen Fei Yu, West Bloomfield, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ; B21C / ;
U.S. Cl.
CPC ...
72 51 ; 29890043 ; 165173 ; 228183 ; 723792 ;
Abstract
There is disclosed herein an apparatus for manufacturing a manifold for a heat exchanger. The apparatus includes a mechanism for forming a generally planar sheet of material into a generally cylindrical member having a seam along the longitudinal length thereof. The apparatus further includes a tool for forming a plurality of tube receiving slots in the cylindrical member and a device for applying a pressure against the seam so as to flatten the seam to provide good sealing contact at the seam.