Stretch blow molding method for manufacturing an expanded bottle

Details Stretch blow molding method for manufacturing an expanded bottle Stretch blow molding method for manufacturing an expanded bottle

1991-08-23

1993-01-12

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

264295, 264523, 264531, 425525, 425528, 425529, B29C 4912

Patent

active

051788179

ABSTRACT:
A stretched bottle (1) has an inclined mouth portion (31). The bottle (1) is formed in a manner that a straight parison is set in a blow mold (M.sub.1, M.sub.2) having an inclined cavity (20, 404) to be stretched by a stretching rod (17) during an air-blow operation or that a curved parison (405, 512) is set in the blow mold (M.sub.1, M.sub.2) to be stretched by air-blow. The parison is curved or deformed by a defining mold (431, 711) or a pushing bar (514).

REFERENCES:
patent: D182683 (1958-04-01), Nowak
patent: 1877629 (1932-09-01), Replogle
patent: 2920777 (1960-01-01), Cole
patent: 3470282 (1969-09-01), Scalora
patent: 3490501 (1970-01-01), Manem
patent: 3608017 (1971-09-01), Cines
patent: 3744656 (1973-07-01), Scheemann et al.
patent: 4572412 (1986-02-01), Brach et al.
patent: 4770854 (1988-09-01), Lyman
patent: 4832213 (1989-05-01), Sharon et al.

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