Geometrical instruments – Area integrators – Electrical
Patent
1979-04-17
1981-03-17
Little, Willis
Geometrical instruments
Area integrators
Electrical
33178E, 33148H, G01B 712
Patent
active
042558603
ABSTRACT:
A calibrating unit for pipe sections is provided with calibrating jaw means and brake means, the jaw means measuring the inside and outside diameter of the pipe which is used in combination with feed rolls and tilting tables which move the pipe sections into the calibrating unit. The feed rolls are synchronized with the brake means and are swivelably connected in the vertical plane onto the tilting tables with the calibrating jaw means located on both sides of the horizontal plane of said tables through which the pipe sections are moved by the feed rolls and in which horizontal plane these pipe sections are aligned by said calibrating jaw means.
REFERENCES:
patent: 2519221 (1950-08-01), Bogen et al.
patent: 3568485 (1971-03-01), Mandula, Jr.
patent: 3892043 (1975-07-01), Bonikowski
patent: 4071958 (1978-02-01), Morita et al.
Little Willis
Saffitz Abraham A.
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