Laser-based pipe alignment device and method

Details Laser-based pipe alignment device and method Laser-based pipe alignment device and method

1993-04-19

1995-06-20

McGraw, Vincent P.

Optics: measuring and testing

By alignment in lateral direction

33286, G01B 1100, G01B 1127, G01C 1500

Patent

active

054265070

ABSTRACT:
A pipe alignment device and method is provided for efficiently generating an air flow in sections of pipe such that the sections of pipe may be aligned along a prepositioned reference laser beam without refraction errors. A fan blade assembly is supported in one end of the pipe section by a support frame. A motor, mounted on the frame, rotates the fan blade assembly through a plurality of intermeshed gears to generate a air flow in the pipe. The fan blade assembly defines a light transparent aperture which permits the reference laser beam to enter the pipe sections concomitantly with the generated air flow. The light transparent aperture may include a window disposed therein.

REFERENCES:
patent: 3827155 (1974-08-01), Menzel
patent: 3861809 (1975-01-01), Hall, Jr.
patent: 5095629 (1992-03-01), Klemer et al.
Brochure entitled "Product Information Model 929 Air Blower", Spectra-Physics, 8/84.

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