Means and method for defeathering blocks

Details Means and method for defeathering blocks Means and method for defeathering blocks

1975-04-07

1976-06-22

Whitehead, Harold D.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Flash or sprue removal type

125 6, 125 26, 225103, 425404, F28C 306

Patent

active

039652319

ABSTRACT:
Blocks are defeathered by a multiplicity of simultaneous blows from below repeated on a line transversely of the path of travel in conveying dried blocks away from drying racks at a block making machine. The blows are delivered by a series of washers hung on a rod and struck upwardly by a squared, powered shaft rotating therebelow.

REFERENCES:
patent: 136001 (1873-02-01), Odgers
patent: 315962 (1885-04-01), Ross
patent: 600989 (1898-03-01), Hinsdale
patent: 1397227 (1921-11-01), Minor
patent: 3671165 (1972-06-01), Schwellenbach

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