Marking device for pipe

Details Marking device for pipe Marking device for pipe

1985-12-04

1987-07-21

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

101 35, 118317, 346 33R, 346 75, 400126, 901 43, G01D 1516

Patent

active

046821821

ABSTRACT:
A marking device comprises a movable arm having a working end carrying a marking tool, such as a marking head. A controller is associated with the movable arm and so programmed as to axially move the marking tool to a desired axial position opposing the inner or outer surface of the pipe and to circumferentially move the marking tool along the surface while applying a preset mark to the corresponding surface of the pipe.

REFERENCES:
patent: 3606162 (1971-09-01), Lehmann
patent: 3867882 (1975-02-01), Ahlgren
patent: 3960072 (1976-06-01), Ahlgren
patent: 4029006 (1977-06-01), Mercer
patent: 4348731 (1982-09-01), Kogawa
patent: 4353677 (1982-10-01), Susnjara
patent: 4591281 (1986-05-01), Howard

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