Plastic and nonmetallic article shaping or treating: processes – Reactive gas or vapor treatment of work – Work is organic material
Patent
1977-05-02
1978-06-20
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Reactive gas or vapor treatment of work
Work is organic material
264 97, 264 98, 425530, 425534, B29C 1707
Patent
active
040962237
ABSTRACT:
A method for forming thermoplastic containers utilizing a final blow station remote from a parison formation station. In the method, a finish portion of a plastic container is formed by the injection of molten thermoplastic material into a neckring. The neckring is then moved relative to the thermoplastic material issuing orifice while the flow of material continues. This causes formation of a tubular parison. The parison is then transported, while hanging from the neckring, to a final blow station where a blow mold or final shape mold closes around it. The parison is then blown to the contours of the interior of the blow mold. While this is taking place, a second neckring has been brought into registry with the material orifice and a new parison formed. The second parison is then moved to the final blow station while the finished plastic container is moved to a removal station.
REFERENCES:
patent: 3008192 (1961-11-01), Allen et al.
patent: 3019480 (1962-02-01), Soubier
patent: 3048890 (1962-08-01), Soubier
patent: 3583031 (1971-06-01), Kader et al.
patent: 3944642 (1976-03-01), Uhlig
patent: 3978184 (1976-08-01), Dybala et al.
patent: 4007243 (1977-02-01), Rupert
Click Myron E.
McLary Steven M.
Owens--Illinois, Inc.
Silbaugh Jan H.
Wilson David H.
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