Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Hand manipulable tool
Patent
1988-02-19
1988-10-11
Nozick, Bernard
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Hand manipulable tool
425 13, 156 94, 156285, 249 83, B29B 900
Patent
active
047767804
ABSTRACT:
A shatterproof windshield repair device comprising a housing and a diaphragm. Under vacuum, air passages between the diaphragm and the glass surface form part of a first enclosure which can be evacuated and thus the device is held in place around conical cracks in the windshield. The vacuum in the first enclosure can be maintained by an assembly with a sealing capability. Surrounded by this first enclosure is a second enclosure which directly encircles the immediate area containing the conical cracks in the shatterproof windshield. A separate sealing lip, being part of the diaphragm, encircles this immediate area on the windshield and completely isolates the second enclosure from the first enclosure. In the center of the device is a cylindrical passage that axially extends from the exterior of the housing into the second enclosure. A piston assembly can move in and out of the cylindrical passage to introduce the repair liquid into the conical cracks in the shatterproof windshield.
REFERENCES:
patent: 3765975 (1973-10-01), Hollingsworth
patent: 3988400 (1976-10-01), Luhman
patent: 3993520 (1976-11-01), Werner et al.
patent: 4032272 (1977-06-01), Miller
patent: 4047863 (1977-09-01), McCluskey et al.
patent: 4280861 (1981-07-01), Schwartz
patent: 4385015 (1983-05-01), Klettke
Cantrell Thomas L.
Nozick Bernard
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