Slab extruding machine

Details Slab extruding machine Slab extruding machine

1975-01-28

1976-11-02

Feldman, Peter

Plastic article or earthenware shaping or treating: apparatus

Projection

259177R, 259DIG42, 425456, 425432, B28C 100, B28C 518, A01J 2100

Patent

active

039892301

ABSTRACT:
A plurality of spaced and parallel auger assemblies are supported in cantilever fashion and extend rearwardly from a bearing housing. These auger assemblies in conjunction with a packing chamber and concrete hopper, extrude a longitudinally apertured slab behind a machine which is moved along rails by the compression and extrusion of the slab. The bearing housing is resiliently supported upon the main frame and is vibrated by one or more vibration generators or motors operatively connected to the bearing housing which in turn transmits the vibration to the individual auger assemblies thus assisting in the flowing and compacting of the concrete being augered by the auger assemblies. This permits auger assemblies of relatively small diameters to be used so that a relatively thin slab can be manufactured by the device.

REFERENCES:
patent: 2398455 (1946-04-01), Unger
patent: 3159897 (1964-12-01), Ellis et al.
patent: 3284867 (1966-11-01), Booth
patent: 3528144 (1970-09-01), Haponski
patent: 3877860 (1975-04-01), Putti

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