Method for production of hollow articles from injection molded p

Details Method for production of hollow articles from injection molded p Method for production of hollow articles from injection molded p

1976-02-27

1978-02-07

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264328, 264331, B29C 1707

Patent

active

040727378

ABSTRACT:
Hollow articles such as bottles and containers are formed from tubular, elongated, reheated injection molded preforms made of thermoplastic material by a method which comprises injection molding said preforms using a mold distribution system having an insulated runner connecting an inlet sprue with one or more externally heated orifice gate channels.

REFERENCES:
patent: 3021568 (1962-02-01), Scott, Jr.
patent: 3093865 (1963-06-01), Peters et al.
patent: 3159878 (1964-12-01), Scott, Jr. et al.
patent: 3520026 (1970-07-01), Stidham et al.
patent: 3677682 (1972-07-01), Putkowski
patent: 3900120 (1975-08-01), Sincock
Plastics Machinery and Equipment "Hot-Runner Molding: A Review" J. H. DuBois, vol. 4, No. 12, Dec. 1975, pp. 12, 14 & 15.

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