Geometrical instruments – Gauge – Pipe layout or fitting
Patent
1985-02-20
1986-08-12
Martin, Jr., William D.
Geometrical instruments
Gauge
Pipe layout or fitting
33549, 33569, A61B 508
Patent
active
046048138
ABSTRACT:
Apparatus used for dimensional inspection of a pipe spool, and further for marking or cutting and finishing of the both ends by means of laying at least an end tangent horizontal and having each center of the cutting end section in a line which is parallel to a base frame.
REFERENCES:
patent: 2431100 (1947-11-01), Woods
patent: 2431101 (1947-11-01), Woods
patent: 3365804 (1968-01-01), Fjellstrom
patent: 3545089 (1970-12-01), Beckwell
patent: 3667128 (1972-06-01), Morgan
patent: 4120095 (1978-10-01), Lebourg
patent: 4122608 (1978-10-01), Hopf
patent: 4141147 (1979-02-01), Klassen et al.
Kawanami Shumpei
Nakama Hiroshi
Dai-Ichi High Frequency Co. Ltd.
Killeen Joseph M.
Martin, Jr. William D.
Rogers, III L. Lawton
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