Neck orienting method of bottles of saturated polyester resins

Details Neck orienting method of bottles of saturated polyester resins Neck orienting method of bottles of saturated polyester resins

B - Operations, Transporting

29

D

18/518, 18/935

B29D 23/03 (1980.01)

Patent

CA 1153178

ABSTRACT A method is disclosed of forming the neck portion of a synthetic resin bottle. The method includes forming a parison of synthetic resin, the parison having a neck and a body; heating at least a portion of the neck to a temperature sufficient to permit molding thereof; pressing the heated neck portion into a tapered shape converging inwardly in a direction away from the body of the parison; further heating the tapered neck portion of the parison to an orientable temperature; and orienting the neck portion by means of an orienting device inserted into the neck portion of the parison.

417607

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