Method of making a rigid frame construction

Details Method of making a rigid frame construction Method of making a rigid frame construction

1993-08-23

1995-11-14

Cuda, Irene

Metal working

Method of mechanical manufacture

Structural member making

298973, B23P 1500

Patent

active

054654874

ABSTRACT:
Generally trapezoidal web sections of non-uniform shape for fabricating structural I-section beams having varying bending modulus are sheared from a continuous roll of metal stock by a shear whose platen is oscillated, as a series of pieces are cut from a length of metal sheet or plate, about an axis perpendicular to the plane of the stock material. The platen angle is determined and controlled by a computer to which design criteria are fed.

REFERENCES:
patent: 1813761 (1931-07-01), Pickett
patent: 1837088 (1931-12-01), Watson
patent: 2277615 (1942-03-01), Townsend
patent: 2617179 (1952-11-01), Burke
patent: 2990038 (1961-06-01), Diamond
patent: 3300839 (1967-01-01), Lichti
patent: 3431806 (1969-03-01), Peterson
patent: 4129974 (1975-12-01), Ojaluo
patent: 5308675 (1994-05-01), Crane et al.

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