Apparatus and method for manufacturing prestressed concrete rail

Details Apparatus and method for manufacturing prestressed concrete rail Apparatus and method for manufacturing prestressed concrete rail

1975-11-20

1978-07-25

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

249 86, 264157, 264228, 264333, 425111, B28B 1112, B28B 2304

Patent

active

041029577

ABSTRACT:
A continuous piece of concrete is first cast in an elongated casting mould mounted on a prestressing bench; after transfer of the prestressing force to the hardened concrete, the continuous piece of concrete is cut into a series of sections, each containing a certain number of railway ties. These sections are then removed from the casting mould, placed on a roller conveyor and then brought to a second cutting station where they are cut to form individual units. The invention also concerns a novel construction of a casting mould for the specific manufacture of such tie.

REFERENCES:
patent: 2394227 (1946-02-01), Barber
patent: 2942321 (1960-06-01), Pinter
patent: 3070867 (1963-01-01), Belle
patent: 3283385 (1966-11-01), Oakden
patent: 3577610 (1971-05-01), Margolin
patent: 3608163 (1971-09-01), Harford
patent: 3611518 (1971-10-01), Glass
patent: 4051216 (1977-09-01), Bratchell

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