Apparatus for formation of products from temporarily plastic mat

Details Apparatus for formation of products from temporarily plastic mat Apparatus for formation of products from temporarily plastic mat

1976-09-09

1978-03-21

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

425298, 425308, 425352, 425393, 425414, 425420, 425DIG218, 249145, B28B 144, B28B 308, B28B 718, B28B 1112

Patent

active

040801357

ABSTRACT:
A method of and machine for forming articles from a temporarily plastic material in which a hollow mould has material in a plastic state placed in it; plungers to form the interior surface of a through pipe operated to displace plastic material in that mould and a further hollow plunger operated to form a further outlet the passageway of which connects with the through passageway.

REFERENCES:
patent: 2704875 (1955-03-01), Kingston
patent: 3340337 (1967-09-01), Schulge
patent: 3458619 (1969-07-01), Prochaska
patent: 3465075 (1969-09-01), Siegfreid
patent: 3487140 (1969-12-01), Laux et al.
patent: 3499067 (1970-03-01), Rogers
patent: 3557290 (1971-01-01), Siegfreid et al.
patent: 3654992 (1972-05-01), Greene

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