Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Hand manipulable tool
Patent
1992-04-02
1993-08-10
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Hand manipulable tool
65 28, 156 94, 264 36, 425 13, B29C 2904, B32B 3500
Patent
active
052343251
ABSTRACT:
Apparatus for windshield glass repair is provided. A cylinder having internal chambers is equipped with a piston head plunger at a top end and has a mounting device at a bottom end for securing a tight seal over a crack in a windshield. The withdrawal of the plunger creates a vacuum and allows for air to be pulled out of the crack, while a side stem in communication with the cylinder allows resin filler material to be introduced and forced into the crack. Air pressure is equalized by opening the side stem, whereupon the plunger can be depressed to force the resin filler into the crack. The mounting supports allow for quick connect and disconnect of the cylinder. The side stem obviates the necessity of removing the cylinder for re-filling of resin material whereby any length crack can be repaired without breaking the tight seal on the crack.
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