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US 6,634,185 B2Granted
Method of treating a rock chip in a vehicular windshield
OwnerEdward John Chomayinventor
Life of this patent
Estimating the term…
Abstract
A method of treating a rock chip in a vehicular windshield consists of the step of inscribing in the glass of the vehicular windshield a circular crack barrier that surrounds the rock chip. Any cracks emanating from the rock chip tend to remain confined within the circular crack barrier.
Claims5
A method of treating a rock chip in a vehicular windshield, comprising the step of:
- inscribing in a glass layer of the vehicular windshield a circular crack barrier in the form of an annular groove that surrounds the rock chip, wherein any cracks emanating from the rock chip remain confined within the circular crack barrier.
A method for repairing a rock chip in a vehicular windshield, the method comprising the steps of:
- providing a vehicular windshield having a rock chip formed therein;
- confining the rock chip in the windshield by inscribing an annular groove in an outer surface of the vehicular windshield completely encompassing the rock chip;
- and
- forming the annular groove to a desired depth in the outer surface of the windshield to ensure the rock chip does not spread beyond the inscribed annular groove.
1 more element
A method for repairing a rock chip in a vehicular windshield, the method comprising the steps of:
- providing a vehicular windshield having an inner glass layer, an outer glass layer and a plastic membrane interposed between the inner and outer glass layer, the outer glass layer having a rock chip formed therein;
- confining the rock chip in the outer glass layer by inscribing an annular groove to a depth of about 0.001 inch in a surface of the outer glass layer of the vehicular windshield around the rock chip;
- completely encompassing the rock chip within the annular groove, and
- filling the rock chip with a transparent filling material.
1 more element
Dependencies are inferred from the claim text.