Deep-draw thermoforming of thermoplastic sheet

Details Deep-draw thermoforming of thermoplastic sheet Deep-draw thermoforming of thermoplastic sheet

1976-08-26

1977-11-22

Spicer, Jr,, Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Configuration of cutting implement providing shaping cavity

4253021, 425398, 425388, B29C 1703

Patent

active

040593800

ABSTRACT:
An apparatus and process for producing hollow articles of thermoplastic sheeting material having large L/D ratios are described.

REFERENCES:
patent: 3342914 (1967-09-01), Edwards
patent: 3510913 (1970-05-01), Edwards
patent: 3770860 (1973-11-01), Amberg et al.
patent: 3964237 (1976-06-01), Johansen

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