Compound tools – Hammer – With cutter
Patent
1998-06-12
1999-11-16
Smith, James G.
Compound tools
Hammer
With cutter
7146, 7158, B25D 104
Patent
active
059834307
ABSTRACT:
The invention is a combination welder's slag hammer and reamer. The slag hammer part of the combination tool may be of conventional design, that is, a handle, a shaft connected to and extending from the handle on one end of the shaft, a head connected to the other end of the shaft, the head having a sharpened blade on one end for knocking off the weld spatter. The reamer part of the combination tool may be anywhere on the hammer. Preferably, the reamer is on the head, at the opposite end from the blade. This way, the hammer handle may be simply rotated to use the blade end or the reamer end. Generally, the reamer is of cylindrical construction so that it easily fits inside the nozzle. Preferably, the reamer is tapered from smaller to larger from the end to the middle of the hammer head. This way, nozzles of different diameters may be cleaned by the same reamer. The reamer has facets or edges on its surface for scraping the weld spatter off the inside of the nozzle. The facets or edges may be of any reasonable number, and may be made in any conventional manner, for example, by grinding grooves in the surface of the reamer end to expose the facets as the edges of the grooves, or by forging the facets in with a press while the metal is hot.
REFERENCES:
patent: 209803 (1878-11-01), Dyson
patent: 3821824 (1974-07-01), Pilcher
Pedersen Barbara S.
Pedersen Ken J.
Smith James G.
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