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US 2004/0069220 A1Published application
Powdering unit, powdering station and method for their operation
AssigneePlatsch GmbH & Co. KG
InventorHans G. Platsch
Life of this patent
Estimating the term…
Abstract
A powdering unit for spraying printed products with powder has two box-shaped guiding elements following each other in the product-conveying direction. These guiding elements delimit, with mutually opposite parallel guiding sides, a guiding shaft leading to the product-conveying plane and intended for a powder gas curtain and delimit, with guiding sides running substantially parallel to the product-conveying surface, together with one side of the product, a powder gas guiding shaft running parallel to the product surface.
Claims18
A powdering unit comprising:
- a nozzle strip which produces a powder gas curtain containing powder particles distributed in a carrier gas stream, which powder gas curtain moves substantially in a curtain plane, wherein the powder gas curtain moves between two angled guiding elements each having a first guiding side arranged at least one of parallel to each other and coplanar, and each having a second guiding side running parallel to the powder gas curtain plane.
Dependencies are inferred from the claim text.