Process of railroad tie concrete casting

Details Process of railroad tie concrete casting Process of railroad tie concrete casting

1978-08-23

1980-05-27

Michl, Paul R.

Static molds

Uniting preform with molding material

Rail or railway type preform

104 17A, 238 1415, 238 30, 238 48, 238350, B22D 1908

Patent

active

042046602

ABSTRACT:
Apparatus for molding rail ties of the type which include one or more fastening devices embedded in the concrete of the type having a shoe plate which rests on the tie and a projecting tab part, the mold having plates, which are preferably removable inserts, for accepting the shoe portion of the device, and flexible jaws which engage the projecting tab part to align it with respect to the mold.

REFERENCES:
patent: 1814239 (1931-07-01), Backbee
patent: 2656115 (1953-10-01), Sonneville
patent: 2719676 (1955-10-01), Prater
patent: 3471118 (1969-10-01), Bormann et al.
patent: 3834620 (1974-09-01), Barlett
patent: 3894687 (1975-07-01), Jacobson

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