Title:
EXTRUSION SECTION FOR HEAT EXCHANGER
Document Type and Number:
Japanese Patent JPS5927735
Kind Code:
A
Abstract:
PURPOSE: To improve the corrosion resistance, lightness, workability, and heat exchange efficiency of the titled section by embedding copper-made pipes in a extrusion section body made of Al in one body.
CONSTITUTION: The main extrusion section 11 for a heat exchanger has such a structure that plural Cu-made pipes 2, 2... are embedded integrally in the Al- made extrusion section body 1. In this case, when the section 11 is manufactured, the pipes 2, 2... are supplied through a mandrel in a direction parallel to an extrusion direction and at the same time, Al as metal for the extrusion section is extruded to cover the pipes 2, 2... tightly.
Inventors:
KOBAYASHI HIROYUKI
SAITOU KATSUYOSHI
WATANABE KATSUMITSU
SAITOU KATSUYOSHI
WATANABE KATSUMITSU
Application Number:
JP11867783A
Publication Date:
February 14, 1984
Filing Date:
June 30, 1983
Export Citation:
Assignee:
NIPPON LIGHT METAL CO
International Classes:
B21C23/22; B21C23/24; B21D53/04; F28F19/06; F28F21/08; (IPC1-7): B21C23/22; B21D53/06; F28F19/06; F28F21/08
Domestic Patent References:
| JPS5612204A | 1981-02-06 |
Attorney, Agent or Firm:
Hiroshi Ishiyama