Composite pipe, process for producing the same, and heat pipe us

Details Composite pipe, process for producing the same, and heat pipe us Composite pipe, process for producing the same, and heat pipe us

1987-06-22

1989-04-04

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Utilizing transitory attached element or associated separate...

29523, B23P 1102

Patent

active

048172596

ABSTRACT:
A composite pipe is proposed which is comprised of an aluminum pipe and a lead pipe formed in the aluminum pipe in direct contact with the inner wall of the aluminum pipe. The composite pipe is produced by supplying a lead pipe to a continuous aluminum extrusion machine which can extrude while enveloping a long object, to form an aluminum pipe on the outer periphery of the lead pipe. A heat pipe using the composite pipe is also proposed.

REFERENCES:
patent: 582258 (1897-05-01), Brighton et al.
patent: 2107846 (1938-02-01), Atkinson
patent: 2516689 (1950-07-01), France et al.
patent: 3467180 (1969-09-01), Pensotti
patent: 4233101 (1980-11-01), Scragg et al.
patent: 4567632 (1986-02-01), Peters et al.

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