Abrading – Abrading process – Roll – roller – shaft – ball – or piston abrading
Patent
1995-10-23
1997-05-13
Rose, Robert A.
Abrading
Abrading process
Roll, roller, shaft, ball, or piston abrading
451 51, 451194, 451358, 451282, B24B 100
Patent
active
056286759
ABSTRACT:
A pipe end trimming device for hand-held use in beveling the outer surface of the end of one pipe so that the beveled end may fit within the end of a similar diameter pipe for a strong connection therebetween. The preferred embodiment abrasive cylinders which are motor driven. An aligning arm with an adjustable aligning edge allows for quick, uniform beveling of different diameter pipe. Shielding adjacent to the abrasive cylinders protects the operator from debris thrown from the pipe during the beveling process.
REFERENCES:
patent: 2909011 (1959-10-01), Hendricks et al.
patent: 3596411 (1971-08-01), Hutchins
patent: 3621505 (1971-11-01), Vocker et al.
patent: 3852917 (1974-12-01), McKown
patent: 4217733 (1980-08-01), Van Sickle
patent: 5148587 (1992-09-01), Phelps et al.
patent: 5251407 (1993-10-01), Afshar
Brown Terry S.
Nicholson Donald A.
Morse, Esq. Dorothy S.
Nguyen George
Rose Robert A.
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