Beader drum method

Details Beader drum method Beader drum method

1988-01-26

1989-08-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Agitating to form larger particles

23314, 425222, B29B 908

Patent

active

048593877

ABSTRACT:
A carbon black beader drum having a plow-like member extending into the moving bed of beads within the drum. The member parts the surface of the moving bed, and carbon black in powder form is added to the beader drum by placement into the impression or furrow created in the moving bed by the member. The added powder is covered a short distance behind the member, preventing the powder from depositing on the inner surface of the beader drum.

REFERENCES:
patent: 1980130 (1934-11-01), Fasting
patent: 2638625 (1953-05-01), Studebaker et al.
patent: 2834044 (1958-05-01), Antonsen et al.
patent: 2984860 (1961-05-01), Thomas
patent: 3446218 (1969-05-01), Stirling
patent: 3535412 (1970-10-01), Driscoll
patent: 3593372 (1971-07-01), Driscoll
patent: 4563315 (1986-01-01), Walter et al.
patent: 4639383 (1987-01-01), Casey
patent: 4686115 (1987-08-01), Majer

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