Apparatus for producing a container matrix

Details Apparatus for producing a container matrix Apparatus for producing a container matrix

1977-09-09

1979-07-17

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

425304, 425388, 264163, B29C 1714

Patent

active

041613821

ABSTRACT:
In a moulding apparatus for producing a plastics material container matrix, a lower mould member defining a bore from its lower surface to its upper surface, die means slidably displaceable within said bore for deforming said plastics material, cutter means slidably displaceable within said bore defining at least one cutting edge extending obliquely to the longitudinal axis of the cutter means, and an upper mould member having a pressure member displaceably mounted thereon, the lower surface of the pressure member defining a cavity aligned with said bore in said lower mould member, which cavity receives at least a portion of said cutter member and die means when they are displaced.

REFERENCES:
patent: 2230074 (1941-01-01), Caperton
patent: 2547331 (1951-04-01), Lent
patent: 2953814 (1960-09-01), Mumford
patent: 3240851 (1966-03-01), Scalora
patent: 3518334 (1970-06-01), Carrigan et al.
patent: 3862817 (1975-01-01), Dahlberg
patent: 3869975 (1975-03-01), Seewer

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