Title:
段付き頂部を具えたフィン付きチューブ
Document Type and Number:
Japanese Patent JP2010532855
Kind Code:
A
Abstract:
The current invention includes a tube with a helical fin extending from the tube's outer surface. The fins and tube are monolithic, or formed of one part, with a channel defined between adjacent fins. The fin has a crest with peaks and depressions formed in the crest. The fin peak includes an indent formed in a side surface, and the indent includes a flank and a base surface. The indent flank intersects the fin peak top, and the indent base surface intersects the fin side wall.
Inventors:
Luo, Chung
Ciao, Chiang Inn
Wu, Jiang
Chiu, Yarin
Ciao, Chiang Inn
Wu, Jiang
Chiu, Yarin
Application Number:
JP2010515273A
Publication Date:
October 14, 2010
Filing Date:
July 03, 2008
Export Citation:
Assignee:
Wolverine tube, ink.
International Classes:
F28F1/26; B21D53/06; F28F1/42
Attorney, Agent or Firm:
Mieko Kashihara
Goichi Takahashi
Masahito Shibata
Goichi Takahashi
Masahito Shibata