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1. (WO1991017838) FLEXIBLE BLADE COATING ARRANGEMENT AND METHOD WITH COMPOUND BLADE LOADING
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/017838 International Application No.: PCT/US1991/002744
Publication Date: 28.11.1991 International Filing Date: 22.04.1991
Chapter 2 Demand Filed: 27.11.1991
IPC:
B05C 11/04 (2006.01) ,D21H 25/10 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
05
SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
C
APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
11
Component parts, details or accessories not specifically provided for in groups B05C1/-B05C9/132
02
Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface; Control of the thickness of a coating
04
with blades
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
25
After-treatment of paper not provided for in groups D21H17/-D21H23/104
08
Rearranging applied substances, e.g. metering, smoothing; Removing excess material
10
with blades
Applicants:
BELOIT CORPORATION [US/US]; One St. Lawrence Avenue Beloit, WI 53511, US
Inventors:
ALHEID, Robert, J.; US
Agent:
ARCHER, David, J.; One St. Lawrence Avenue Beloit, WI 53511, US
Priority Data:
525,50417.05.1990US
Title (EN) FLEXIBLE BLADE COATING ARRANGEMENT AND METHOD WITH COMPOUND BLADE LOADING
(FR) AGENCEMENT DE COUCHAGE A LA LAME SOUPLE ET PROCEDE DE CHARGE DE LAME COMPOSEE
Abstract:
(EN) Method and apparatus for applying a liquid film of controlled thickness to a paper web (51). The apparatus is in the form of a flexible blade coater having a flexible blade (60) fixed at one end (61) and bearing against a backing roll (50) (with interposed web) at a free end (62). The blade (60) has independent loading means, preferably pneumatic. An intermediate loading means (63) applies a first load intermediate the fixed and free ends (61, 62) which serves primarily and substantially independently to establish blade geometry or tip slope. A second loading means (65) positioned near the free end (62) of the blade (60) primarily and substantially independently establishes tip load for a given geometry established by the first loading means (63). The compound loading arrangement allows a wider range of finer control of coating film thickness.
(FR) Procédé et appareil d'application d'un film liquide d'une épaisseur régulée sur une bande de papier (51). L'appareil se présente sous la forme d'une coucheuse à lame glissante souple présentant une lame souple (60) fixée à une extrémité (61) et reposant contre un rouleau d'appui (50) (avec une bande interposée) au niveau d'une extrémité libre (62). La lame (60) comporte un moyen de charge indépendant, de préférence pneumatique. Un moyen de charge intermédiaire (63) applique une première charge entre les extrémités fixe et libre (61, 62), laquelle sert essentiellement et indépendamment à établir une géométrie de la lame ou une pente à l'extrémité. Un second moyen de charge (65) positionné près de l'extrémité libre (62) de la lame (60) établit essentiellement et indépendamment une charge à l'extrémité pour une géométrie donnée établie par le premier moyen de charge (63). L'agencement de charge composée permet d'obtenir une gamme plus large de régulations plus fines de couchage d'épaisseur de film.
Designated States: BR, CA, FI, JP, KR
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
FI925202EP0531409JP6071573JPH05506183CA2083039KR1019930700215