Process for the production of hollow articles from preforms of a

Details Process for the production of hollow articles from preforms of a Process for the production of hollow articles from preforms of a

1978-12-04

1980-09-09

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Differential temperature conditioning

264528, 264533, 425525, 425526, 425535, B29C 1707

Patent

active

042217598

ABSTRACT:
A process for the production of hollow articles from preforms of a thermoplastic material, one open end of which preforms has a neck moulded at least partially into its definitive shape. During the final blowing operation, the region corresponding to the moulded part of the preform is isolated from the remainder of the interior of the preform. The isolated region is cooled by sweeping with a cooling fluid.

REFERENCES:
patent: 3114596 (1963-12-01), Wechsler et al.
patent: 3502758 (1970-03-01), Plummer
patent: 3717429 (1973-02-01), Peters et al.
patent: 3767747 (1973-10-01), Uhlig
patent: 3969060 (1976-07-01), Rosenkranz et al.

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