B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/691
B29C 49/06 (2006.01) B29C 45/00 (2006.01) B29C 45/04 (2006.01) B29C 45/38 (2006.01) B29C 45/57 (2006.01) B29C 45/72 (2006.01) B29C 35/16 (2006.01)
Patent
CA 1182260
-15- ROTARY INJECTION TURRET AND METHOD OF UTILIZING THE SAME IN THE MAKING OF PREFORMS ABSTRACT OF THE DISCLOSURE This relates to an apparatus for injection molding preforms for beverage bottles wherein a minimum cycle time is involved. Cores over which thermoplastic material is injec- tion molded to form preforms for use in the blow molding of bottles are provided in sets and carried by a rotary turret so that as soon as the injection molded thermoplastic material has sufficiently set to permit its transfer with its asso- ciated core out of an injection mold cavity, the apparatus may be actuated to remove first injection molded preforms and thereafter immediately present a new set of cores to the in- jection mold cavities. This provides ample time for the cooling of the preforms so that when removed from the cores they will not be unduly deformed. In accordance with the feasible use of the apparatus, plural preforms on the order of twenty-four and greater, may be formed with a cycle time
396576
Beck Martin H.
Harry Ieuan L.
Krishnakumar Suppayan M.
Continental Group Inc. (the)
Swabey Ogilvy Renault
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