Patent · US Expired

Blow molding trimming

US7000512B2 · kind B2 · utility

1Cited by

11References

21Claims

0Family size

Assignee

Plastipak Packaging, Inc. · US

Inventors

Richard L. Dunlap · Lima, US
Edward L. Sanford · Lima, US
Richard C. Darr · Rittman, US

Key dates

Filing date	Nov 26, 2002
Grant date	Feb 21, 2006
Priority date	—
Expiry date	Oct 7, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1397
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A blow molded container (10) having a trimmed nonround opening (12) is blow molded from a preform (36) and then positioned by a positioner (50) of a nonround trimmer (16) that includes a rotary driven arm assembly (56) having a knife holder (60). A guide (66) guides the knife holder (60) in a nonround path to perform the trimming.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.