Patent · US Active

Stretch rod, apparatus and method for producing hollow bodies

US8016587B2 · kind B2 · utility

1Cited by

3References

14Claims

0Family size

Assignee

KRONES AG · DE

Inventors

Gerhard Schuster · Nuremberg, DE
Peter Knapp · Wettingen, CH

Key dates

Filing date	Dec 18, 2008
Grant date	Sep 13, 2011
Priority date	—
Expiry date	Dec 18, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/7158
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A stretch rod used for forming a preform into a hollow body having in its surface a plurality of raised portions and/or recesses relative to the circular cylinder shape, whereby the stretch rod tip can come into contact with the concave, rotationally symmetric inner surface of the preform at a plurality of locations which are separate from one another. Also, a method and an apparatus for forming a preform into a hollow body, which uses such a stretch rod.

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