Apparatus for continuously molding cylindrical blocks of foamed

Details Apparatus for continuously molding cylindrical blocks of foamed Apparatus for continuously molding cylindrical blocks of foamed

1981-01-26

1982-12-14

Anderson, Philip E.

Plastic article or earthenware shaping or treating: apparatus

With interposed non-adhering web or sheet type parting means

264 51, 264DIG84, 425224, 425817C, B29D 2704, B29C 104

Patent

active

043636101

ABSTRACT:
An apparatus for making cylindrical polyurethane foam blocks, including an upstanding trough with a weir structure at the upstream end of a fall plate in a molding apparatus, means for passing a first web of a separation sheet below the trough and between a gap formed between the weir and the fall plate leading edge, means for forming the first web into a U-shaped configuration as it advances with the foaming material, and second means for feeding opposite webs of sheet material immediately upstream of the conveyor through molding means for forming the cylindrical block.

REFERENCES:
patent: 3281894 (1966-11-01), Buff et al.
patent: 3296658 (1967-01-01), Buff et al.
patent: 3726623 (1973-04-01), Ferstenberg
patent: 3729534 (1973-04-01), Ferstenberg
patent: 3786122 (1974-01-01), Berg
patent: 3832099 (1974-08-01), Berg
patent: 3840629 (1974-10-01), Marjoram
patent: 4026979 (1977-03-01), Palomares
patent: 4093109 (1978-06-01), Schrader

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