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1. US11168442 - Through-air apparatus with tension cam mechanism

Office
United States of America
Application Number 16923506
Application Date 08.07.2020
Publication Number 11168442
Publication Date 09.11.2021
Grant Number 11168442
Grant Date 09.11.2021
Publication Kind B1
IPC
D21F 5/02
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
5Dryer section of machines for making continuous webs of paper
02Drying on cylinders
D21F 5/18
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
5Dryer section of machines for making continuous webs of paper
18Drying webs by hot air
F26B 13/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
13Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
14Rollers
16perforated
CPC
D21F 5/182
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
5Dryer section of machines for making continuous webs of paper
18Drying webs by hot air
182through perforated cylinders
D21F 5/021
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
5Dryer section of machines for making continuous webs of paper
02Drying on cylinders
021Construction of the cylinders
F26B 13/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
13Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
14Rollers, ; drums, cylinders
16perforated ; in combination with hot air blowing or suction devices, e.g. sieve drum dryers
Applicants Valmet, Inc.
Inventors Jan Skawski
Agents Pierce Atwood LLP
Kevin M. Farrell
Shannon Vittengl
Title
(EN) Through-air apparatus with tension cam mechanism
Abstract
(EN)

A through-air apparatus for drying or bonding paper or non-woven products is provided. The apparatus includes a through air roll, a first tension plate configured to hold a wire sleeve which is configured to extend around the roll, the first tension plate including at least one tension arc segment. The apparatus also includes a first cam mechanism associated with the at least one tension arc segment, wherein the first cam mechanism is configured to move the tension arc segment to adjust the position of the tension arc segment relative to the outer circumference of the first end of the roll, so that as the roll and first tension plate rotate about the first axis, the first tension plate is concentric with the roll.


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