Bottles and jars – Ejecting – Siphon type
Patent
1980-10-14
1983-06-14
Dixon, Jr., William R.
Bottles and jars
Ejecting
Siphon type
428 35, B65D 2300
Patent
active
043878156
ABSTRACT:
A form-retaining container made of synthetic plastic material and apparatus for its manufacture in which a plastic material is fed in liquid state onto a male member to provide a layer on the male member constituting a blank for the container. The layer is cooled to prevent crystallization of the material. The thus cooled blank is placed into a mold cavity having an interior configuration corresponding to the desired outer shape of the container to be produced. The layer is inflated into conformity with the mold cavity. The configuration of the mold cavity is such that the blank undergoes biaxial stretching in a middle region of the container by at least 1.5 times while the mouth and part of the bottom of the container will be formed by biaxially stretching the blank less than 1.5 times. The inflated blank is then heated until curing is completed and then the blank is removed from the mold.
REFERENCES:
patent: 3733309 (1973-05-01), Wyeth et al.
patent: 3934743 (1976-01-01), McChesney et al.
patent: 4164298 (1979-08-01), Nishikawa et al.
patent: 4233022 (1980-11-01), Brady et al.
patent: 4260567 (1981-04-01), Poppe et al.
patent: 4264558 (1981-04-01), Jacobsen
Dixon Jr. William R.
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