Geometrical instruments – Area integrators – Electrical
Patent
1976-04-02
1978-02-07
Aegerter, Richard E.
Geometrical instruments
Area integrators
Electrical
33DIG2, 209 82, G01B 346, G01B 512
Patent
active
040719588
ABSTRACT:
The present invention discloses a device for automatically inspecting the acceptability of the inner diameter and bending of pipes of the type in which a cylindrical gage is inserted and forced to pass through the pipe to be inspected under the driving force of, for instance, compressed air. The pipe through which the gage passes from one end thereof to the other end is accepted, but the pipe in which the gage is stopped is rejected together with the gage. A pipe to be inspected is located by positioning first and/or second pipe positioning means into a predetermined pipe inspection position, and then firmly clamped by pipe clamping means. A cylindrical gage with a predetermined outer diameter and length is brought to the firing position by gage positioning means, inserted into one end of the pipe and forced to pass through the pipe under the compressed force admitted into the pipe behind the gage through gage firing means. The gage discharged out of the other end of the pipe is trapped by gage recovery means and discharged onto a conveyor system which returns the gage to the gage positioning means for the next inspection, and the inspected pipe is automatically released from the inspection position and discharged out of the pipe inspection device. Thus the full-automatic, safeguarded and quick pipe inspection may be ensured.
REFERENCES:
patent: 1239532 (1917-09-01), Sponsel
patent: 1919546 (1933-07-01), Fletcher
patent: 2355280 (1944-08-01), Dichter
Asano Seiichi
Masuma Shigeharu
Morita Kazuo
Aegerter Richard E.
Aichi Steel Works Limited
Flocks Karl W.
Kawasaki Steel Corporation
Stearns Richard R.
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