Slip former with keyway forming assemblies

Details Slip former with keyway forming assemblies Slip former with keyway forming assemblies

1977-06-27

1978-11-14

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Building forms or construction engineering type mold with...

Including mold charging means

425385, 425432, B28B 1304

Patent

active

041253485

ABSTRACT:
A pair of cleat forming wheels are journalled within a frame on each side of the packing chamber of an extruding type slab forming machine, to produce shear keyway recesses in the side walls of the slab as it is formed. The wheels are connected together for rotation in the same direction by an idler gear or chain sprocket connection. The teeth on the rear or following wheel are slightly smaller than the teeth on the leading or forming wheel so that the teeth on the rear wheel finish off the forming of the recesses without damaging same. Automatic self-alignment of the teeth of the rear wheel with the recesses is provided by an adjustable slip clutch between the rear wheel and the drive connection from the leading wheel.

REFERENCES:
patent: 1632317 (1927-06-01), Schlegel
patent: 3740176 (1973-06-01), Nilsson
patent: 3781154 (1973-12-01), Herbert et al.

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