The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 11, 1980

Filed:

Mar. 30, 1978
Applicant:
Inventor:

Robert Spurr, West Hartford, CT (US);

Assignee:

Emhart Industries, Inc., Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425525 ; 264538 ; 425533 ; 425534 ;
Abstract

A plastic bottle forming machine and process wherein a parison is formed in a parison mold utilizing a neck ring and a core rod, and after the core rod has been removed and the parison mold opened, the neck ring is rotated, carrying the parison into alignment with a blow mold. The blow mold is closed and utilizing a blow head the parison is blown to the desired configuration. The blow mold and the parison mold are split molds with halves carried by a pair of relatively movable platens. There is one neck ring for each parison and blow mold with the neck rings being oscillated 180.degree. upon each actuation of the machine and, upon each actuation of the machine, a parison is formed and a previously formed parison is blow molded.


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