Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Frictionally engaging sides of opening in work
Patent
1986-05-20
1987-09-15
Bilinsky, Z. R.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Frictionally engaging sides of opening in work
408201, B23B 322, B23B 4100
Patent
active
046936432
ABSTRACT:
This planing device is operable for progressively planing or cutting the end of a plastic pipe to the desired length, or for reaming out a piece of plastic pipe fixed in a plastic pipe fitting in such a manner that the plastic pipe fitting can be reused. The pipe planing device is portable and is rotated by an electric drill or the like and includes a cylindrical pilot removably supported on radially spaced-apart spider-like cutter arms having cutter blades attached to their outer ends and extending outwardly beyond the cylindrical pilot a distance which is equal to the thickness of the plastic pipe to be cut or reamed. The outer circumference of the cylindrical pilot is dimensioned to provide a snug rotatable fit within the end of the plastic pipe to be planed and operates to center the planing device along the longitudinal axis of the plastic pipe.
REFERENCES:
patent: 3752593 (1973-08-01), Fitzgerald et al.
patent: 3872748 (1975-03-01), Bjalme et al.
patent: 3999452 (1976-12-01), Larsen
patent: 4466185 (1984-08-01), Montiero
patent: 4483222 (1984-11-01), Davis
patent: 4483522 (1984-11-01), Nall et al.
patent: 4493232 (1985-01-01), Nall
Jones Manufacturing Co. Inc, "Pipe Hog", no date reference to Patent No. 3752593 on pp. 1 and 2.
Bilinsky Z. R.
E&A Heyworth Enterprises, Inc.
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