Stock material or miscellaneous articles – Two dimensionally sectional layer – Next to unitary web or sheet of equal or greater extent
Patent
1973-02-22
1976-03-30
McCamish, Marion E.
Stock material or miscellaneous articles
Two dimensionally sectional layer
Next to unitary web or sheet of equal or greater extent
219203, 219522, 219541, 219544, 428 55, 428209, 428210, 428433, B32B 1500, B32B 1706
Patent
active
039476189
ABSTRACT:
An electrically heated transparent panel is described for a laminated safety glass window construction having a clear polymer inner layer with a pattern of wrinkled resistance wires oriented in a three-dimensional non-parallel random fashion so as to reduce glare from the wires when the window is used in automotive and other type vehicles. The individual resistance wires are partially embedded in the polymer sheet by a technique utilizing shrinkage of a thermoplastic polymer from its original dimensions when heated to an elevated temperature together with having the individual wires change configuration when relaxed from tension forces on the wire when first assembled with the polymer sheet. An improved form of bus-bar electrode means are connected at each end of the individual resistance wires by heat-bonding directly to the thermoplastic polymer sheet to provide the composite panel which can thereafter be handled and assembled by conventional further heat-bonding as the inner layer of a laminated safety glass construction.
REFERENCES:
patent: 3409759 (1968-11-01), Boicey et al.
patent: 3414713 (1968-12-01), Reifeiss et al.
patent: 3475595 (1969-10-01), Leclercq
patent: 3484584 (1969-12-01), Shaw, Jr.
patent: 3601583 (1971-08-01), Fujiwara
patent: 3612745 (1971-10-01), Warren
patent: 3729616 (1973-04-01), Gruss et al.
patent: 3792232 (1974-02-01), Zarenko
General Electric Company
Kempton Lawrence R.
McCamish Marion E.
McDevitt John F.
Neuhauser Frank L.
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