Pipe lifting sling assembly and lift device

Details Pipe lifting sling assembly and lift device Pipe lifting sling assembly and lift device

1995-05-22

1996-06-25

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Lewises

294 671, B66C 166

Patent

active

055293603

ABSTRACT:
A pipe lifting steel wire cable sling and lift device principally for lifting concrete pipe sections provided with a central lift aperture through their wall, the sling having a centering ferrule about a lift ferrule for guiding the sling cable through the lift aperture and the lift device including a long handled slotted plate having a flared opening to its slot and being curved to conform to the interior of the pipe section to be lifted, the plate being backed by a matching slotted back plate having a pocket region at the end of its slot for holding the lift ferrule therein during pipe lifting operations.

REFERENCES:
patent: 416246 (1889-12-01), Abrams
patent: 1562148 (1925-11-01), Carlson
patent: 3124385 (1964-03-01), Neptune
patent: 3132890 (1964-05-01), Beaudet
patent: 3307871 (1967-03-01), Russell et al.
patent: 3420014 (1969-01-01), Courtois et al.
patent: 3626508 (1971-12-01), Sharrow
American Wire Rope & Sling, "Coffee Pot" Pipe Sling, brochure, No Date.
The Caldwell Co., "Pipe Carrier Lifting Sling", brouchure, Jan. 1, 1986.

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