Electrically heated window having busbar with curved corner piece
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United States of America Patent
Stats
-
Jan 19, 1999
Issued Date -
N/A
app pub date -
May 20, 1997
filing date -
Dec 22, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A busbar supplies current to an electrically resistant area heating device, such as an array of fine closely-spaced wires, which extends over a window, e.g. a laminated vehicle windscreen. The busbar is arranged to turn a corner, e.g. a corner of the window, by providing a separate corner piece of busbar strip which is electrically connected to adjacent lengths of straight busbar strip. This facilitates concealment of the busbar, as is desirable for vehicle windscreens, especially when the corner piece is shaped to suit the corner of the window. Electrical connection of the corner piece to the adjacent lengths of busbar strip is achieved by use of a solder of low melting point, which melts on autoclaving of the window.
First Claim
Family
International Classification(s)
Cited Art Landscape
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