Title:
熱交換器用の窪み付き管
Document Type and Number:
Japanese Patent JP2007533464
Kind Code:
A
Abstract:
A shell tube and heat exchanger (10) includes a plurality of tubes surrounded by a shell (16). Each tube (12) includes a plurality of indentations. A mold is placed in a desired positions and orientation in a die. A tube is placed in a first position within a die, and the mold crimps the tube to form the desired indentation in the tube. The mold is then released, and the tube is moved relative to the mold to a second position. The mold again crimps the tube to form an additional indentation. Alternately, the mold includes a roller that forms a groove on the tube. The tube is translated or both translated and rotated relative to the mold to form the groove.
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Inventors:
Holden, Jerry El.
Application Number:
JP2006547617A
Publication Date:
November 22, 2007
Filing Date:
January 04, 2005
Export Citation:
Assignee:
Cooper-Standard Automotive, Incorporated
International Classes:
B21D15/02; B21C37/15; B21C37/20; B21D15/04; B21D17/02; B21D17/04; B21D53/06; F28D7/16; F28F1/02; F28F1/06; F28F1/10; F28F1/40; F28F1/42
Domestic Patent References:
| JPH1024337A | 1998-01-27 | |||
| JPH07218037A | 1995-08-18 | |||
| JPS5835023A | 1983-03-01 |
Foreign References:
| EP1221579A1 | 2002-07-10 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Yuko Hara
Masakazu Ito
Yuko Hara