Patent · US Expired

Apparatus for delivering a liquid or thick medium

US4735362A · kind A · utility

25Cited by

8References

3Claims

0Family size

Assignees

Wagner Finish Tech Center GmbH · DE
Wagner International AG · CH

Inventors

Wolfgang Trautwein · Huntsville, US
Klaus Zerweck · Leonberg, DE
Peter Konhauser · Stuttgart, DE
Jurgen Sprenger · Echterdingen, DE
Heinrich Griebel · Friedrichshafen, DE

Key dates

Filing date	Aug 8, 1986
Grant date	Apr 5, 1988
Priority date	—
Expiry date	Aug 8, 2006

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B9/0861
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

This invention relates to an apparatus for quantitatively definite delivery of a liquid or thick, pressurized medium such as paint, varnish, glue or the like wherein the medium is placed under pressure by a conveying pump comprising a pump discharge valve and whereby a second valve is provided at or close to the delivery nozzle, this second valve being actuatable by the pressure of the medium to be delivered and having an opening pressure which is greater than that of the pump discharge valve.

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