Device for laying a resistance wire in an undulating shape on the interposed thermoplastic film of a laminated glazing
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United States of America Patent
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Feb 1, 1994
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N/A
app pub date -
Jan 24, 1992
filing date -
Jan 24, 1991
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Abstract
A device for laying and attaching a resistance wire (2) to a thermoplastic support film (1) for the production of a laminated glazing that can be heated electrically. The device includes a support (26, 27) for a wire bobbin (28), a wire guide device and a heated pressure roller (10) embedding resistance wire (2) in the support film. Between support (26, 27) for wire bobbin (28) and heated pressure roller (10), two gears (21, 22) are provided which mutually mesh, grasp wire (2) between them and deform the wire in an undulating manner. At least one of gears (21, 22) is driven by pressure roller (10) rolling over support film (1).
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