Method and apparatus for the deposition and fixing of a thin met

Details Method and apparatus for the deposition and fixing of a thin met Method and apparatus for the deposition and fixing of a thin met

1996-11-07

1999-04-06

Claroy, S. Mark

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156250, 156285, 156538, B32B 3100, B29C 6500

Patent

active

058912800

ABSTRACT:
Thin resistance wires are deposited in curved form on a thermoplastic film for the manufacture of a car glazing which can be electrically heated. The thermoplastic film is kept by vacuum on the surface of a cylindrical drum having a perforated cylindrical wall. The drum is rotated and the wire deposited and fixed on the film with the aid of a wire deposition apparatus. The wire deposition apparatus is mounted on a carriage able to move parallel to the longitudinal axis of the drum. The carriage is driven by means of a moving screw rotated by a drive motor. The drive motor is controlled by a processor via a regulating amplifier controlled by the processor in accordance with a time-travel program established in accordance with the desired curved shape of the wires.

REFERENCES:
patent: 3720808 (1973-03-01), Morrissey
patent: 5164254 (1992-11-01), Todd et al.
patent: 5282301 (1994-02-01), Roentgen et al.

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