Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Agitating to form larger particles
Patent
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.
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patent: 4563315 (1986-01-01), Walter et al.
patent: 4639383 (1987-01-01), Casey
patent: 4686115 (1987-08-01), Majer
Columbian Chemicals Company
Fertig Mary Lynn
Silbaugh Jan H.
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