Tool for separating a pair of oppositely disposed spot-welded sh

Details Tool for separating a pair of oppositely disposed spot-welded sh Tool for separating a pair of oppositely disposed spot-welded sh

1994-09-23

1996-03-05

Briggs, William

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

30358, B25B 2714, B26F 100

Patent

active

054956498

ABSTRACT:
In a process for separating overlapping sheet metal panels, which are welded together by a series of spot-welds, the portion of each spot-weld in one of the panels is removed by drilling or milling after which pressure is applied by means of a tool, driven by a pneumatic hammer device, to the remaining portion of the spot-weld in the other panel forcing the other panel away from the one panel and separating of the panels without substantial damage to the panels. Alternatively, a hole saw may be used to separate the spot-weld from the one panel before pressure is applied to the spot-weld to separate the panels.

REFERENCES:
patent: 91400 (1869-06-01), Wright
patent: 2409589 (1946-10-01), Rocheville
patent: 2853723 (1958-09-01), Winslow
patent: 2961907 (1960-11-01), Hohlbein
patent: 4107842 (1978-08-01), MacKeigan
patent: 4587737 (1986-05-01), Wilson
patent: 4644656 (1987-02-01), Chouinard
patent: 5001822 (1991-03-01), Upthegrove

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