Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Reexamination Certificate
2002-03-05
2003-09-09
Osele, Mark A. (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
C156S098000, C156S583200, C029S402030, C029S402080
Reexamination Certificate
active
06616800
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a method and hand tool device for removing windshields on vehicles such as automobiles.
BACKGROUND AND SUMMARY OF THE INVENTION
The removal and replacement of windshields are cumbersome and time-consuming tasks. It is often necessary for many operators to work together to be able to remove a windshield. The conventional manual methods of removing windshields often damage the paint of the automobile. This is often very costly to repair. There is a need for a more convenient and reliable method of removing windshields.
The method and device of the present invention provides a solution to the problem outlined above. More particularly, a needle is inserted through the glue between a windshield and a frame surrounding the windshield. Two ends of string are inserted from an outside of the windshield to an inside thereof. One end is attached to a first hand tool so that the string forms an acute angle with the bottom end of the windshield. The end is pulled until the string forms a right angle with the edge of the windshield. The other end is attached to a second hand tool and pulled until the other end also forms a right angle. The hand tools are then moved so that the string again forms acute angles. The string is pulled until the string has been pulled along the entire circumference of the windshield and the windshield may be removed.
REFERENCES:
patent: 3298257 (1967-01-01), Goss
patent: 3372459 (1968-03-01), Lambright
patent: 3711677 (1973-01-01), Cummins
patent: 4481059 (1984-11-01), Steck
patent: 6543117 (2003-04-01), Claycomb et al.
Fasth Rolf
Fasth Law Offices
Osele Mark A.
LandOfFree
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