Pile straightener

Details Pile straightener Pile straightener

1976-08-05

1978-02-07

Lanham, C. W.

Metal deforming

With means to effect compound motion of tool

72475, B21D 106

Patent

active

040720403

ABSTRACT:
A tool for straightening bent steel sheet piles and a method for efficiently operating the tool which has a movable top jig and a stationary bottom jig. The movable top jig has a surface contoured to the normal shape of one face of a pile to be straightened, and the stationary bottom jig has a complementary surface contoured to the normal shape of the other surface of the pile. The top jig is moved in a vertical direction by rams attached to its upper part and in a horizontal direction by rams attached to its side. The method involves vising a pile placed between the complementary surfaces of the jig by alternately activating the vertical and horizontal rams. The top jig is then moved away and the straightened pile is removed.

REFERENCES:
patent: 260437 (1882-07-01), Wilbur
patent: 435986 (1890-09-01), Tucker
patent: 1429838 (1922-09-01), Bohle
patent: 3107559 (1963-10-01), Beche
patent: 3559439 (1971-02-01), Zak
patent: 3587286 (1971-06-01), Fritsch
patent: 3911811 (1975-10-01), Adolfsson

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