Temperature compensated wire-conducting tube and method of manuf

Details Temperature compensated wire-conducting tube and method of manuf Temperature compensated wire-conducting tube and method of manuf

1991-03-05

1992-06-16

Picard, Leo P.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156466, 174 47, H01B 1326, H01B 720, F16L 1112

Patent

active

051222094

ABSTRACT:
A method and apparatus for manufacturing a continuous metal tube having a plurality of electrical conductors disposed therein, by using a spring member to depress the electrical conductors while a flat metal strip is formed into a tubular member and welded to enclose the electrical conductors. The spring member functions to protect the electrical conductors from heat damage. The welding occurs completely downstream of the spring member in order to avoid excessive heat buildup in the spring member.

REFERENCES:
patent: 2936357 (1960-05-01), Crawford
patent: 3285629 (1966-11-01), Cullen et al.
patent: 3436287 (1969-04-01), Windeler
patent: 4121193 (1978-10-01), Denison
patent: 4346256 (1982-08-01), Hubbard et al.
patent: 4581926 (1986-04-01), Moore et al.
patent: 4736627 (1988-04-01), Wicks et al.

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