Plastic molding process

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...

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264167, 2642098, B29C 4720

Patent

active

046506292

ABSTRACT:
A die ring for use in a blow molding process is provided with depressions at the downstream end of the land to provide the parison with a longitudinally thickened rib and depressions at the upstream end of the land to counteract parison deformation caused by the downstream depressions.

REFERENCES:
patent: 3024494 (1962-03-01), Szpila
patent: 3114932 (1963-12-01), Donnelly
patent: 3309443 (1967-03-01), Scott, Jr. et al.
patent: 3665063 (1972-05-01), Rupert et al.
patent: 3914366 (1975-10-01), Wilson
patent: 3981672 (1976-09-01), Wilson
patent: 4045154 (1977-08-01), Ratheiser
patent: 4063865 (1977-12-01), Becker
patent: 4075187 (1978-02-01), Olcott
patent: 4076121 (1978-02-01), Clayton et al.
patent: 4173446 (1979-11-01), Larsen
patent: 4218416 (1980-08-01), Gokeen
patent: 4279857 (1981-07-01), Feuerherm
patent: 4323339 (1982-04-01), de Kok et al.
patent: 4402898 (1983-09-01), Rosenbaum
patent: 4422839 (1983-12-01), Pryztulla
"Blow Molding Marlex.RTM.," vol. 4, No. 3, The Shaped Extrusion Die, May-Jun. 1963.
"Blow Molding Marlex.RTM., " vol. 7, No. 1, Shaping the Die Bushing, Jan.-Apr., 1966.
"Blow Molding Marlex.RTM.," vol. 7, No. 2, Shaping the Die Bushing-Machining Calculations.
Phillips Chemical Company, Plastic Technical Center Report, SSL-178, "Die Shaping Calculation Procedures", May 1969.

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