Title:
METHOD OF MANUFACTURING CORRUGATED FIN
Document Type and Number:
Japanese Patent JP2013139042
Kind Code:
A
Abstract:
To provide a method of manufacturing corrugated fins, which enables formation of a water guiding part on a fin material.
The method of manufacturing the corrugated fins includes a first step S1 and a second step S2. In the first step, a first notch 251 is formed at the end ER in the width direction of a fin material 20a. The end in the width direction of the fin material guides condensed water which is stuck to the surface of the fin material. In the second step, the center part CR in the width direction of the fin material, being a portion except for the end, is held between gear-shaped rollers 41, 42 and the center part is bent in the longitudinal direction of the fin material.
Inventors:
FUJIWARA AKIHIRO
KAMATA TOSHIMITSU
KIDO TERUO
KAMATA TOSHIMITSU
KIDO TERUO
Application Number:
JP2011290067A
Publication Date:
July 18, 2013
Filing Date:
December 28, 2011
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
B21D13/04; B21D28/10; F28F1/30
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation
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