The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2018
Filed:
Nov. 12, 2015
Valmet Aktiebolag, Sundsvall, SE;
Valmet Aktiebolag, Sundsvall, SE;
Abstract
The invention relates to a suction device () for use in a papermaking machine and being suitable for acting on a wet fibrous web through a permeable fabric (), e.g. a through-air-drying (TAD)-fabric. The suction device has a fabric-facing surface () formed by a plurality of end surfaces of solid elements (). Channels () are defined between the solid elements. The end surface of the final solid element () does not lie in the same plane as the end surfaces of the previous solid elements (). Thereby, a gap A is formed between the fabric () and the final solid element (). This allows air to flow through the gap and into a final channel (). The air flow will then catch fines, small fibers and water droplets and draw them into the final channel () thereby counteracting a build-up of large lumps of fines and fibers.