Patent · US Active

Blow moulding machine with double check valve

US11123913B2 · kind B2 · utility

0Cited by

1References

8Claims

0Family size

Assignee

KRONES AG · DE

Inventors

Thomas Hoellriegl · Teublitz, DE
Benedikt HENGL · Essing, DE
Konrad Senn · Regensburg, DE
Armin BUESS · Regensburg, DE

Key dates

Filing date	Mar 19, 2020
Grant date	Sep 21, 2021
Priority date	—
Expiry date	Mar 19, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/10
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Disclosed is a machine for reshaping plastic preforms into plastic containers with at least one reshaping station, which has a blow moulding arrangement inside which plastic preforms can be reshaped into plastic containers by application of a flowable medium, and with an application device which is configured for applying a flowable medium to the plastic preforms, and with a valve arrangement with at least two valve devices which is configured for feeding the flowable medium under at least two different pressures to the plastic preform during the reshaping thereof. At least one valve device has at least one valve piston which is movable with respect to a valve housing between two valve positions, and a check piston which is movable between at least two positions is arranged on this valve piston.

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