Apparatus for the preparation of hollow plastic articles

Details Apparatus for the preparation of hollow plastic articles Apparatus for the preparation of hollow plastic articles

1979-01-24

1980-10-28

Silbaugh, Jan H.

Static molds

Having inflatable element

249178, 249184, 264533, 264314, 425534, 425468, B29C 112, B29C 1707

Patent

active

042302986

ABSTRACT:
Apparatus for the preparation of hollow plastic articles wherein a more rapid operating cycle is obtained with less effect upon the temperature of the parison. The apparatus includes a first core, means for providing a parison thereon, a temperature controlled first mold engageable with said first core and parison, means for separating the first core from the first mold and parison contained therein, a second core in spaced relationship to the first core, means for transferring the parison to the second core, a blow mold in spaced relationship to said first mold for fully expanding the parison and means for transferring the second core and parison to the blow mold, wherein the blow mold is stationary and the second core with parison thereon is brought into alignment with the blow mold and is inserted therein.

REFERENCES:
patent: 1504547 (1924-08-01), Egerton
patent: 3032823 (1962-05-01), Sherman
patent: 3861851 (1975-01-01), Schiemann
patent: 3969060 (1976-07-01), Rosenkranz et al.
patent: 4009982 (1977-03-01), Maier
patent: 4119394 (1978-10-01), Cary

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