Patent · US Expired

Method of manufacturing and handling parts for a packaging container

US6434812B1 · kind B1 · utility

6Cited by

28References

7Claims

0Family size

Assignee

Tetra Laval Holdings & Finance S.A. · CH

Inventors

Jan Andersson · Ystad, SE
Ulf Johnsson · Höör, SE
Lennart Gustafsson · Kalmar, SE

Key dates

Filing date	Feb 3, 2000
Grant date	Aug 20, 2002
Priority date	—
Expiry date	Feb 3, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49798
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method of manufacturing and handling parts for a packaging container comprises the steps of producing a number of tops in the form of pairwise reversed tops, separating the pairs one from another and providing them with closure arrangements. The tops may be manufactured by blow molding an extruded hose of thermoplastic material.

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