Windshield repair device

Details Windshield repair device Windshield repair device

B - Operations, Transporting

32

B

18/974

B32B 17/10 (2006.01) B29C 73/02 (2006.01)

Patent

CA 1318999

A B S T R A C T A device for repairing windshield cracks. A cylinder includes a sealing mouth adapted to contain a quantity of filler material. The mouth with filler material therein is positioned over the crack opening. The cylinder includes a small cavity adjacent the mouth and a larger upper cavity. A plunger fitted to the cylinder carries a lower seal for the small cavity and an upper seal for the larger cavity. Moving the plunger from an initial fully depressed to a fully retracted position opens the small cavity to the upper cavity whereby the vacuum of the upper cavity enhances the evacuation of air from the crack. Subsequent depression of the plunger is assisted by a one-way exhaust valve. Such depression of the plunger produces injection of the filler material into the crack replacing the evacuated air .

601027

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