Releasing of bonded screens
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United States of America Patent
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-
May 6, 2003
Issued Date -
N/A
app pub date -
Oct 25, 1999
filing date -
Dec 7, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Bonded screens such as vehicle windscreens (1) bonded to a supporting frame (5) by homogeneous bonding material (6) are released by firstly arranging energy delivery means (9) adjacent the screen and subsequently transmitting energy from the delivery means through the screen thereby to effect release of the screen (1) from the frame (5) by either causing degradation of some of the homogeneous bonding material and/or cleavage or degradation of the screen material. The energy delivered may, for example, be ultrasonic or laser radiation, and is preferably arranged to be concentrated at a predetermined localized region to enhance the release mechanism.
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