Title:
METAL PIPE WITH INSIDE GROOVE AND IT*S MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JPS53139218
Kind Code:
A
Abstract:
PURPOSE:To improve heat conductivity of metal pipe with inside groove to be used as heat transferring pipe by specifying the ratio of section of peak part and bottom part of groove.
Inventors:
SASAKI HIROYUKI
SUZUKI TOSHIICHI
MATSUMOTO TADASHI
SUZUKI TOSHIICHI
MATSUMOTO TADASHI
Application Number:
JP5464477A
Publication Date:
December 05, 1978
Filing Date:
May 12, 1977
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
B21C37/20; B21C37/15; F16L9/02; F28F1/40; (IPC1-7): B21C37/08; F16L9/02