Patent · US Active

Spray nozzle and method for dusting freshly printed products

US7607391B2 · kind B2 · utility

1Cited by

4References

20Claims

0Family size

Assignee

Weitmann & Konrad GmbH & Co. KG · DE

Inventors

Rainer Haas · Herrenberg, DE
Nicolas Martin · Bourg-lès-Valence, FR
Jurgen Ehrhard · Langenau, DE
Detlev Berlingen · Heidelberg, DE
Claudius Haas · Steinach, DE

Key dates

Filing date	Sep 26, 2005
Grant date	Oct 27, 2009
Priority date	—
Expiry date	Sep 6, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41F23/06
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention concerns a spray nozzle for a powder duster for dusting freshly printed products with a connection for a tube for supplying a powder-air mixture, a distribution chamber and at least two nozzle channels which branch off from the distribution chamber like a fan, wherein the opening angle of the outer nozzle channels limiting the fan subtends an angular range of 5° to 20°, in particular an angular range of 8° to 15°, and preferably 12°. The invention also concerns a spray bar with spray nozzles of this type, a powder duster comprising spray nozzles of this type, and a method for dusting freshly printed products.

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