Thermoplastic sheet pressure forming machine

Details Thermoplastic sheet pressure forming machine Thermoplastic sheet pressure forming machine

1974-11-27

1976-06-22

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Cutter guided by or cooperating with peripheral edge of...

425156, 264 92, 264160, B29C 306, B29C 506

Patent

active

039648508

ABSTRACT:
An apparatus for forming and cutting thermoplastic sheets comprises a heater platen and base plate assembly with a toggle leverage assembly which brings the base plate assembly into and out of a closed relation with the heater platen with a sheet of thermoplastic material therebetween. The base plate assembly has a strip of elastic material mounted thereon, one or more mold (forming) sections, cutting blades defining the peripheral outline of the mold sections and a seal-off plate slidably mounted on the base plate assembly and resting on the elastic strips.

REFERENCES:
patent: 3113345 (1963-12-01), Butzko
patent: 3166790 (1965-01-01), Keges
patent: 3518334 (1970-06-01), Carrigan et al.
patent: 3736092 (1973-05-01), Konig et al.
patent: 3755522 (1973-08-01), Jope et al.

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