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Class 118/414 - Rolling doctor


Subclass of Class 118 - Coating apparatus
Definition: Coating apparatus in which the movable wall portion for
No. of patents: 116
Last issue date: 04/08/2008


1      
NumberTitleIssue Date
7354479Coating device, and coating method using said device
A coating device is provided which has a bar which coats a coating liquid on a strip-shaped body conveyed in a given direction, and a dam-shaped member disposed at an upstream side of the bar so as to face the bar. Also provided is a coating method which, in the coa...
04/08/2008
7332033Doctor bed
A doctor bed is provided for holding a circularly cylindrical metering rod, including a housing of a homogenous material, which is designed with a cross section at right angles to the cylinder longitudinal axis of the metering rod and has a circularly cylindrical re...
02/19/2008
7329437Coating method and coating apparatus
A coating apparatus comprising a forward bar, a liquid feed passage and a metering device for a coating liquid. The forward bar rotates about its axis in the same direction as the traveling direction of a continuously traveling band-shaped web while touching the web...
02/12/2008
7311804Universal doctor blade with indicia
Doctor blades are provided for multiple positions within a paper or board making machine. A single doctor blade of a standard length or a reel of doctor blade material has markings which permit a variety of doctor blade sizes to be readily cut. If a standard length ...
12/25/2007
7235134Coating device, and coating method using said device
A coating device is provided which has a bar which coats a coating liquid on a strip-shaped body conveyed in a given direction, and a dam-shaped member disposed at an upstream side of the bar so as to face the bar. Also provided is a coating method which, in the coa...
06/26/2007
7192485Application device
A device (510) for the direct or indirect application of liquid or pasty application medium (516) by means of an applicator unit (512) to a material web (520), in particular of paper or board, comprises a device (570) upstream of t...
03/20/2007
7101438Coater for dispersed slurry
A coater for dispersed slurry capable of coating coated dispersed slurry on a nonwoven cloth-like base material while bringing the slurry into contact with the material, comprising a net conveyor for transferring the nonwoven cloth-like base material, a supply means...
09/05/2006
7048969Coating device and coating method
A coating device and a coating method are provided. The coating device comprises a coating station for coating a coating liquid on a band-shaped substrate running continuously, and a coat-adjusting station disposed downstream of the coating station for adjusting the...
05/23/2006
7040555Nozzle unit
A nozzle unit for the spreading of foamed glue onto a flat surface in the production of wood-based sheets, wherein the nozzle unit has a feeder canal (1) for directing glue into the nozzle unit, a row of nozzles (5) for directing glue from the nozzle u...
05/09/2006
7041339Coating device and coating method using the device
A coating device is disclosed which is provided with a first side bar, which extends along a transverse direction of a conveyance plane, which is a conveyance path of a belt body, and a second side bar, which is located at a downstream side of the first side bar. Al...
05/09/2006
6958173Applicator and method for applying adhesive to rod-shaped members such as cotton swabs
A system and method for applying adhesive to at least a first end of a rod-shaped member, such as a cotton swab stick includes a carrier, an adhesive applicator, and a rotator device. The carrier conveys the rod-shaped member or stick in a machine direction and also...
10/25/2005
6911085Doctor blade dosing system
Doctor blade dosing systems for devices used for coating material webs, particularly paper or paperboard webs, exist that have a doctor blade rod, which serves as a dosing element while being held inside a slot of a doctor blade bed that, in turn, is mounted in a su...
06/28/2005
6833157Coating method and apparatus
The coating apparatus and method enable the coating liquid having been scraped-off to be reused without doing any one of the fluid adjusting treatment and the filtering treatment, while maintaining the features of the scraping-off type of extrusion coater, which is ...
12/21/2004
6827778Apparatus for feeding a treatment substance to an application device
The invention relates to an arrangement for feeding a treatment substance to an application device used to treat a moving paper or board web, which arrangement includes at least one application chamber (1) extending over the width of the web, to which the tre...
12/07/2004
6790280Cradle
A cradle for a spreading device, such as a rotatable rod, to which a spreading organ to be pressed against a movable surface has been attached. The cradle is fastened to a holder, and a gasket is provided between the cradle and the holder (9). ...
09/14/2004
6752871Coating system for coating print carriers and coating machine having the system
A coating system for coating print carriers includes at least one pump, at least one selection valve, a first metering device and a second metering device. The first metering device and the second metering device are constructed differently from one another with res...
06/22/2004
6696098Method for coating a running web using a coated rod
Thickness unevenness of a coating liquid layer in a width direction of a web is adjusted by moving a guide roller at the proximity of a coating rod so as to deliberately provide tension variation in the width direction of the web in purpose of forming the...
02/24/2004
6630026Apparatus for spreading treating mix on a moving paper--or cardboard web
An apparatus for applying a treating mix onto the surface of a moving device in the coating of paper or board. The apparatus comprises a blade carrier (3), doctor means (4) attached to the blade carrier (3), a front wall (9) positioned a distance from the...
10/07/2003
6589340Machine for direct or indirect application of a liquid or viscous coating medium onto a moving surface
A coating machine serves to directly or indirectly apply a liquid or viscous coating medium onto a moving surface. A coater imbedded in a coater bed, defines in part the metering slot. A limiting surface at the moving surface inlet of the coater bed forms...
07/08/2003
6589596Method for coating a running web using a coating rod
Thickness unevenness of a coating liquid layer in a width direction of a web is adjusted by moving a guide roller at the proximity of a coating rod so as to deliberately provide tension variation in the width direction of the web in purpose of forming the...
07/08/2003
6579368Apparatus for the application of a liquid or pasty medium to a moving fiber web
An application apparatus is for applying a liquid or pasty medium to a moving base. The moving base is a surface of a material web in a case of direct application and a surface of a transfer element for transferring the medium to the material web in a cas...
06/17/2003
6554900Device and method for applying a flowable medium onto a moving surface
An apparatus for the application of a flowable medium (2, 2') from a stock chamber (7, 8) to a surface (6) being moved along the apparatus, and to the use of an apparatus of this type. The stock chamber (7, 8) partly covers the surface (6), with formation...
04/29/2003
6485570Sink roll blade apparatus used in continuous molten metal plating apparatus and method for preventing occurrence of dents
An apparatus installed in a molten metal plating line includes a blade pressed against a roll dipped in a molten metal plating bath, in which a metal strip travels. The apparatus removes substances deposited on a surface of the roll. The apparatus also in...
11/26/2002
6453809Squeegee device
Squeegee device for applying printing medium to a substrate, interacting with a squeegee element which is made at least partially from a magnetizable material and can be moved between an operating position and an at-rest position, which squeegee device co...
09/24/2002
6444270Photo film coating method for coating web-shaped base material
In a coating method using a coating rod, the coating rod is rotated in the reverse direction with respect to the running direction of the web, and the absolute value of V1 /V2 is set between 0.0001 and 0.06, where V1 (cm/s...
09/03/2002
6428853Coating device and process for coating
Application apparatus for the coating of a travelling web (5), comprising a support roll (3) and a predosage roll (7'), said rolls forming a nip between themselves through which the web is brought to travel, further comprising an application device (21) b...
08/06/2002
6413314Doctor rod for a coating device
Known doctor rods (1) used as dosing elements in coating devices have a cylindrical steel base body on whose cover surface a chromium or ceramic layer of hard material is applied. According to the invention, the cracks and craters in the layer of hard mat...
07/02/2002
6346148Apparatus for coating a moving web with at least two coat layers
An apparatus for coating a paper or paperboard web with at least two coat layers. The present invention achieves two-layer coating and is capable of providing a smooth coat with high opacifying power. A first coat layer is initially applied to the web. Th...
02/12/2002
6319320Coating machine
A coating machine for the application of a coating medium onto a moving surface includes a counter-force generating device which generates a counter force that opposes the force generated by a load device....
11/20/2001
6306461Method and apparatus for coating paper board and paper with high- viscosity coating mixes
A method and apparatus for coating a paper or a paper board web, comprising spreading coating mix having a solids content of 55-75% on the surface of the web with a nozzle applicator, levelling and metering the spread coating mix on the surface of the web...
10/23/2001
6277197Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard
An apparatus for direct or indirect application of at least one liquid or pasty medium onto a traveling material web, notably of paper or cardboard, includes at least one applicator for the medium. Coordinated with the applicator is a backing roll for rec...
08/21/2001
6149726Floating doctoring apparatus
A device for doctoring and/or metering a liquid or viscous medium on a moving operating surface includes a doctoring assembly having a doctoring surface extending transversely across the entire operating surface and pressing thereagainst. A doctoring supp...
11/21/2000
6106619Thermally compensated coater rod
A coater for applying a coating medium to a moving surface includes a mounting; a coater rod bed connected to the mounting; and a coater rod carried by the coater rod bed. The coater rod is configured for applying the coating medium to the moving surface,...
08/22/2000
6099909Method and device for coating a size-press roll, paper, or board
The invention relates to a coating method and device for coating a size-press roll, paper or board or a corresponding moving base. The coating device comprises a revolving coating bar which rests against the moving base and extends across the machine widt...
08/08/2000
6093248Apparatus for applying a liquid or pasty medium onto a traveling material web
The invention is directed to a method for the application of a liquid or pasty medium onto a traveling fiber material web. The medium is directly applied on at least one side of the traveling material web. The medium is pressed into the traveling material...
07/25/2000
6077351Coating porous carriers
The invention relates to an apparatus for applying, by means of a slotted nozzle device formed between a stationary incoming nozzle lip and a trailing nozzle lip, a thin layer of coating material to a porous material web that passes over a counterpressure...
06/20/2000
6019846Coater rod bed
A coater for directly or indirectly applying a coating medium to a fiber web includes a mounting; a coater rod; and a coater rod bed connected to the mounting. The coater rod bed includes a metal body with a longitudinal extension, a rod holding portion w...
02/01/2000
6004394Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard
An apparatus for direct or indirect application of at least one liquid or pasty medium onto a traveling material web, notably of paper or cardboard, includes at least one applicator for the medium. Coordinated with the applicator is a backing roll for rec...
12/21/1999
5919524Blade metering unit and method for blade-coating a material web
A method and apparatus for applying a coat mix to a high-speed running board or paper web by accurately premetering and pre-smoothing the applied coat with an applicator apparatus and then minimally doctoring the applied coat with an air knife. The applic...
07/06/1999
5902401Coater head
A coater head for applying coating to a size press roll of a size press coater, the coater head has a flow passage with a metering device at its outlet end and a metering chamber immediately adjacent to the metering end. A shear developing passage deliver...
05/11/1999
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