Method for molding hollow plastic container having a finish with

Details Method for molding hollow plastic container having a finish with Method for molding hollow plastic container having a finish with

1995-06-07

1997-02-04

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264536, 264139, B29C 4922, B29C 4950

Patent

active

055994954

ABSTRACT:
A hollow plastic container having a finish which has a diameter less than the diameter of the body portion of the container which is made by forming a parison with a neck portion for defining the finish and a body portion and thereafter expanding the body portion to a cross section greater than the cross section of the neck portion. The neck is then trimmed by removing plastic material from the outside of the neck and from the top of the neck to form the finish to the final dimensions. In one form, the prison is a multi-layer parison in order to form a multi-layer plastic container.

REFERENCES:
patent: 3409710 (1968-11-01), Kylgis
patent: 3538208 (1970-11-01), Ohtsuka
patent: 4636346 (1987-01-01), Gold et al.
patent: 5460772 (1995-10-01), Ohta

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