Reinforced boring rod assembly and method of forming same

Details Reinforced boring rod assembly and method of forming same Reinforced boring rod assembly and method of forming same

1995-03-07

1996-10-29

Neuder, William P.

Boring or penetrating the earth

With tool shaft detail

29508, 29517, E21B 1700

Patent

active

055688390

ABSTRACT:
A reinforced boring rod assembly and a method for producing the same includes a boring rod including an arrangement for mounting a rod end thereto, a rod end for mounting to the boring rod, a generally annular collar telescopically mounted around the boring rod adjacent the mounting arrangement with the collar including a plurality of crimps formed circumferentially thereabout and extending into the rod a sufficient distance to initiate gripping action on the rod end. Stainless steel welds cover the crimps as well as the junctions of the rod end and the collar, as well as the collar and the boring rod. A method for constructing the same is also disclosed.

REFERENCES:
patent: 2741498 (1956-04-01), Elliott
patent: 3554306 (1971-01-01), Wilburn
patent: 4371199 (1983-02-01), Kushner et al.
patent: 4626001 (1986-12-01), Lee
patent: 4679828 (1987-07-01), Bernardot
patent: 4745983 (1988-05-01), Moorehead et al.
patent: 4832382 (1989-05-01), Kapgan
patent: 4836586 (1989-06-01), Martin
patent: 5007667 (1991-04-01), Unewisse et al.

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