Pipe pulling device

Details Pipe pulling device Pipe pulling device

1995-12-14

1996-11-26

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Expanding

B66C 156

Patent

active

055777880

ABSTRACT:
A pipe pulling device having a multiple section body portion with a substantially hollow interior, a cap engagable with a pulling device and having a threaded member extending into the body portion hollow interior, and a securing plug having a threaded conically shaped front portion suitable to cooperatively receive and secure the cap threaded member so that as the member continues to be threadably received, the plug front portion is urged into the body portion hollow interior and the body portion sections are separated and expanded to grippingly engage the pipe interior and enable the pipe to be pulled by the pulling device connected to the cap.

REFERENCES:
patent: 2563675 (1951-08-01), Edwards
patent: 2624610 (1953-01-01), Murphy
patent: 2642768 (1953-06-01), Ogburn
patent: 2687324 (1954-08-01), Grunsky et al.
patent: 2719747 (1955-10-01), Layne
patent: 2939739 (1960-06-01), Grunsky
patent: 3492032 (1970-01-01), Deike
patent: 3709546 (1973-01-01), Vaughan

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