Metal deforming – Tool and/or tool holder – With nondeforming passageway
Patent
1989-01-27
1990-04-10
Spruill, Robert L.
Metal deforming
Tool and/or tool holder
With nondeforming passageway
72705, 2940219, B21D 112
Patent
active
049149423
ABSTRACT:
A one piece improved weld washer designed for weldable attachment to dents and crevices during auto body repair work. The improved weld washer is comprised of an apertured elongated oval principal plate member in washer-like form affixed at one smaller curved end with a rectangular tab-like arm member useful for welding to dents in a car body. For best results, the tab-like arm member has a lengthwise helical bend. This helical bend positions the distal end of the tab-like arm member in a perpendicular plane to that of the principal plate member. The distal ends of the tab-like arm members can be welded into the lengthwise crevice or dent of the car body while the apertures in the principal plate members are aligned allowing simultaneous passage of one pulling rod. The pulling rod engages the lowest improved weld washer first, pulling all in sequence, until all are aligned equally and the dent removed. The improved weld washers are then easily removed from the welds by a rotational twist.
REFERENCES:
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patent: 3113478 (1963-12-01), Hall, Jr. et al.
patent: 3338086 (1967-08-01), Hunter
patent: 3379334 (1968-04-01), Young
patent: 3765220 (1973-10-01), Kirspel
patent: 4453432 (1984-06-01), Widen
patent: 4770025 (1988-09-01), Graf
patent: 4827759 (1989-05-01), Mattson
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