Patent · US Active

Coating apparatus comprising a metering device

US8333164B2 · kind B2 · utility

5Cited by

6References

15Claims

0Family size

Assignee

Duerr Systems AG · DE

Inventors

Frank Herre · Oberriexingen, DE
Rainer Melcher · Oberstenfeld, DE
Manfred Michelfelder · Höpfigheim, DE

Key dates

Filing date	Nov 7, 2007
Grant date	Dec 18, 2012
Priority date	—
Expiry date	Mar 18, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B12/1409
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A coating apparatus for serially coating workpieces with different shades or colors is disclosed. A metering device comprises a plunger-type dosing mechanism or a metering pump that has a separate inlet with an integrated color valve for each of the most commonly used colors is located in or near the sprayer of the coating apparatus. A separate color changer can be provided for less frequently used colors. The outlet of said color changer may be connected to another inlet of the metering mechanism or to the discharge valve of the sprayer via a separate metering mechanism.

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