Plastic article or earthenware shaping or treating: apparatus – Female mold and opposed coaxial dynamic press members – Opposed press members simultaneously moving in the same...
Patent
1978-03-16
1978-09-26
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and opposed coaxial dynamic press members
Opposed press members simultaneously moving in the same...
425352, 131 20R, 131 94, B30B 1108, A24C 548
Patent
active
041166027
ABSTRACT:
A multi-sectional filter tip assembly is initially made with two charcoal filter sections and alternate sections of cellulose acetate fibrous material with a fibrous section at each end. The filter tip assembly is then compacted by a pin compactor which punches a recess into each fibrous end of the filter tip assembly while at the same time forcing the displaced acetate fibrous material into the charcoal sections to compact the charcoal. Upon removal of the pins of the pin compactor, a recess is formed in each end of the filter tip assembly.
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patent: 3354887 (1967-11-01), Hall
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patent: 3999922 (1976-12-01), Shimada
patent: 4047866 (1977-09-01), Shah
Hendershot Michael L.
Liggett Group Inc.
Ross, Jr. J. Bowen
Spicer, Jr. Robert L.
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