Spotweld removal tool

Details Spotweld removal tool Spotweld removal tool

1990-07-27

1991-10-15

Schwartz, Larry I.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

408199, B23B 5102

Patent

active

050569678

ABSTRACT:
Disclosed is a spotweld removal tool adapted for removing spotwelds which join two or more layers of sheet metal to thereby free the sheet metal layers from one another. The spotweld removal tool comprises a split point twist drill having a central cutting tip (38) having leading edges (44 and 46) and defined by flared walls (56 and 58), recessed surfaces (64 and 66) adjoining the flared walls and peripheral cutting flats (40 and 42).

REFERENCES:
patent: 2193186 (1940-03-01), Bannister
patent: 2332295 (1943-10-01), Bouchal
Drilling Technology, pp. 32-34, 1977.

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