Apparatus for the production of upholstery with backfoamed cover

Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to apply stress to preform and uniting in stressed...

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Details

249 93, 249 95, 264 468, 425117, 425125, 425388, 425DIG48, B29C 5110, B29C 6720

Patent

active

049715410

ABSTRACT:
The present invention relates to an apparatus for the production of back-foamed products. The apparatus broadly consists of two mold halves, a stretching frame attached to one of the mold halves, and a pulsator device for applying pulsations to the edge region of the mold cavity.

REFERENCES:
patent: 2666951 (1954-01-01), Grove et al.
patent: 3943215 (1976-03-01), Grune et al.
patent: 4137030 (1979-01-01), Sanson
patent: 4239472 (1980-12-01), Atkinson et al.
patent: 4552522 (1985-11-01), Van Melle

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