Methods of and apparatus for heating a moving metallic strand ma

Details Methods of and apparatus for heating a moving metallic strand ma Methods of and apparatus for heating a moving metallic strand ma

1987-01-21

1989-04-04

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156 50, 156 47, 148 12A, 72128, 72286, 219482, H01B 1300

Patent

active

048183113

ABSTRACT:
During the heating of a moving wire (21) such as when the wire is being aaled, the wire is heated in such a manner that the energy applied to each successive increment of length of the wire is substantially constant. This is accomplished by causing an integral number of half cycles of alternating curent to be applied to each successive increment of length of the wire as the increments are moved from one sheave to another in an annealer (20). In one embodiment, the integral number of half cycles is achieved by adjusting the speed at which the wire is being advanced between two sheaves of the annealer in a manufacturing line. This also may be accomlished by adjusting the distance between the sheaves in an annealing leg of the annealer, or by adjusting the frequency of the applied power source.

REFERENCES:
patent: 1023316 (1912-04-01), Hurwitz
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patent: 2479346 (1949-08-01), Goodnow
patent: 3515848 (1970-06-01), Heinz
patent: 3630057 (1971-12-01), STrohmeier
patent: 3826690 (1974-07-01), Bleinberger et al.
patent: 3962898 (1976-06-01), Tillman
patent: 4010412 (1977-03-01), Forman
patent: 4078168 (1978-03-01), Kelly

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