Fiberglass tube end tapering device

Details Fiberglass tube end tapering device Fiberglass tube end tapering device

1988-08-30

1990-09-25

Schmidt, Frederick R.

Turning

Portable lathe for pipe turning

82128, B23B 322

Patent

active

049585428

ABSTRACT:
A pipe tapering apparatus having an expandable mandrel for centering the apparatus on a pipe end and a cylindrical cutting head connectable to a power unit for rotation in the mandrel while tapering the outside surface of the pipe end section. The cutting head having a segmented body with removable cutting blades set at an angle to taper the pipe end.

REFERENCES:
patent: 1340474 (1920-05-01), Cashman
patent: 3875832 (1975-04-01), Mayfield
patent: 3999452 (1976-12-01), Larson
patent: 4114484 (1978-09-01), Feamster
patent: 4257289 (1981-11-01), Groothius
patent: 4287796 (1981-09-01), Palmer
patent: 4449871 (1984-05-01), Hilleslad
patent: 4601222 (1986-07-01), Gill
patent: 4691600 (1987-09-01), Carlson et al.

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