Closed loop system for the manufacture and handling of concrete

Details Closed loop system for the manufacture and handling of concrete Closed loop system for the manufacture and handling of concrete

1987-12-18

1989-01-17

Hoag, Willard

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264 71, 264333, 264336, 264DIG43, B28B 2114, B28B 2156

Patent

active

047986980

ABSTRACT:
An improved method for moving a large, heavy, fragile, freshly-made concrete pipe section, with top and bottom pallets but without jacket protection, out of a casting machine, and directly into a kiln, for curing; moving the cured pipe section from the kiln to an unloading station, automatically removing the top pallet, removing the pipe section from the bottom pallet, cleaning the top pallet and then placing the top pallet on a reinforcing cage that has been set on the bottom pallet, ready for the next cycle. The cycle is continuously intermittant.

REFERENCES:
patent: 3234617 (1966-02-01), McGrew et al.
patent: 3344492 (1967-10-01), Eggling et al.
patent: 3550225 (1970-12-01), Smith
patent: 3551907 (1971-01-01), Williams
patent: 3577610 (1971-05-01), Margolin
patent: 3584356 (1971-06-01), Joelson
patent: 3659979 (1972-05-01), Schneider et al.
patent: 3677686 (1972-07-01), Powell
patent: 3696182 (1972-10-01), Joelson
patent: 3751205 (1973-08-01), Patten
patent: 3957937 (1976-05-01), Lovell
patent: 4553893 (1985-11-01), Kaschner et al.

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