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Class 34/451 - Plural treating chambers


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the treated material is treated in more
No. of patents: 58
Last issue date: 07/22/2008


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NumberTitleIssue Date
7401417Method and a device for drying or heat treatment of a web-formed material
When drying a web-formed material, the web-formed material is passed, in contact with a gas-permeable dryer screen, through a drying plant. One or more fans blow hot process air against, and through, the web-formed material in order to dry it. A chamber, surrounding...
07/22/2008
7363777Closed cassette and method for heat treating glass sheets
A convection compatible closed cassette and method are described herein where the closed cassette is used to heat treat (compact) one or more glass sheets in a uniform manner and in a clean environment. In the preferred embodiment, the closed cassette includes multi...
04/29/2008
7361382Method for manufacturing coated sheet, optical functional layer, optical element, and image display device
A method for manufacturing a coated sheet that forms a coated layer having a uniform film thickness by a coating liquid even when a substrate has a large area. A method for manufacturing a coated sheet to form a coated layer by a process including a process (1
04/22/2008
7325331Method and equipment for drying a pulp web using hot air of different temperatures
The invention relates to a method for drying a fibre-based pulp web (2), and to a drying box (1) used in the method. According to the invention, the drying box (1) contains drying zones (9a-9e), to each one of which h...
02/05/2008
7320812Method for manufacturing coated sheet, optical functional layer, optical element, and image display device
A method for manufacturing a coated sheet that may form a coated layer having a uniform film thickness by a coating liquid even when a substrate has a large area is provided. A method for manufacturing a coated sheet to form a coated layer by a process includ...
01/22/2008
7249424Method and device for controlling the moisture or coating quantity profile in a paper web
The narrow-scale moisture profile of a paper web is controlled by profiling nozzles (11) of a profiling device (10) which cover part of the width of the web and desired variations of the moisture profile are corrected by the profiling nozzles (11
07/31/2007
7244465Method for manufacturing coated sheet, optical functional layer, optical element, and image display device
A method for manufacturing a coated sheet that may form a coated layer having a uniform film thickness by a coating liquid even when a substrate has a large area. A method for manufacturing a coated sheet to form a coated layer by a process including a process (1) f...
07/17/2007
7243442Apparatus for drying ground
A method for drying a surface comprises supporting a fabric cover above the surface, and holding side edges of the fabric cover against the surface such that an air channel is formed between the fabric cover and the surface. The air channel has an inlet end and a di...
07/17/2007
7143528Dry converting process and apparatus
A web converting process and apparatus employing a dry converting station and substrate-handling equipment for conveying the substrate through the dry converting station. The substrate is enveloped in the dry converting station by a close enclosure supplied with one...
12/05/2006
7121414Semiconductor cassette reducer
A semiconductor cassette reducer has a first substantially U-shaped plate and a second substantially U-shaped plate. A number of wafer supports connect the first substantially U-shaped plate to the second substantially U-shaped plate. Several retention springs are a...
10/17/2006
7088430Photomask positioning apparatus
A photomask positioning apparatus comprises a positioning device having a base, one end of which comprises a bended fixed portion connected to a bottom of the containing space and the other of which is away from the fixed portion comprises a bended positioning porti...
08/08/2006
7044147System, apparatus and method for contaminant reduction in semiconductor device fabrication equipment components
A system, apparatus, and method for reducing contaminants of semiconductor device fabrication equipment components, featuring a manifold having a passageway in fluid communication with to a plurality of inlets and for providing a purge fluid to removably connected c...
05/16/2006
7032324Coating process and apparatus
A web coating process and apparatus employing a coating applicator, dryer or curing station and web-handling equipment for conveying the web past the coating applicator and through the dryer. The web is enclosed from at least the coating applicator to the dryer or c...
04/25/2006
7017279Method and apparatus for blowing drying gas in a paper machine
A method of blowing drying gas against a paper web, and an impingement dryer of a paper machine. Drying gas is blown with an impingement dryer comprising several profiling chambers in the cross-direction of a paper machine, the cross-profile of the paper web being c...
03/28/2006
6977028Method of drying a web
A method of drying a paper web is provided. The method utilizes a dryer, such as a through-dryer, having a first dryer section and a second dryer section. Within the first dryer section, a relatively wet paper web is dried at an elevated temperature, such as between...
12/20/2005
6948898Alignment of semiconductor wafers and other articles
A wafer or some other article is aligned while being held by an end-effector. ...
09/27/2005
6935830Alignment of semiconductor wafers and other articles
A wafer or some other article is aligned while being held by an end-effector. ...
08/30/2005
6933017Method of manufacturing lithographic printing plate
A method for manufacturing a lithographic printing plate is provided in which conditions for heating a support and a photosensitive coated layer in a drying and heating step can be changed rapidly over a wide range, and the photosensitive coated layer and the suppor...
08/23/2005
6799382Method and apparatus for heating nonwoven webs
A process for drying/heat-treating nonwoven webs in which the web is partially dried under tension in a first drying zone and further heat treated under low tension or in a substantially tensionless state a second drying zone. The process significantly reduces the o...
10/05/2004
6729043Method for drying stacked wood
A method and an apparatus is proposed for drying stacked wood with the help of a drying gas guided in a circulatory flow. The stacks of wood (H1, H2) are charged zone by zone depending on the average moisture of the wood (u) in the respective zone with...
05/04/2004
6716959Device and method for treating plastic material
The invention relates to a method for treating plastic material, especially polyethylene terephthalate, wherein the relatively low temperature material is initially crystallized by heating before subjecting said material to heating or condensation in the solid phase...
04/06/2004
6715217Microfilm jacket drying device and method
A microfilm drying device and method are presented for salvaging and drying microfilm which has become wet due to excessive moisture resulting from high water, floods and the like. The device includes a needle assembly which is slidably affixed within a frame to dir...
04/06/2004
6706150Method and arrangement of impingement for blowing compensation of a tendency of curling of a paper board web to be treated as well as a paper or board machine
An air impingement arrangement and method for compensating for the curling tendency of a paper or board web which is being treated. Air impingement is disposed in connection with a paper or board process or with its finishing process and extends across the width of ...
03/16/2004
6662468Dryer section of a paper or board machine
A high speed dryer section has single-wire draw drying groups (R1, RN). A paper or board web (W) is supported by a wire (F) as it meanders over drying cylinders (20) in an upper row and reversing cylinders/rolls (21) in a lower row. ...
12/16/2003
6655042System and method for drying semiconductor substrate
A drying system for drying a semiconductor substrate is provided. The drying system includes: a chamber for housing a vapor distributor and a fluid bath, said fluid bath being disposed in a lower portion of the chamber and said distributor being disposed ...
12/02/2003
6655046Device and process for uniform drying of products in web form produced by coating
A device and a process for drying thin layers or films which are manufactured by applying a coating mass, which is produced on an aqueous basis, to a support, the said layer or film being transported through a drying device having at least one drying zone...
12/02/2003
6647641Device and method for the treatment of substrates in a fluid container
A device for the treatment of substrates has a fluid container and two substrate transport devices positionable above the fluid container. Each substrate transport device is a hood for receiving multiple substrates. Each substrate transport device has at ...
11/18/2003
6631566Method of drying a web
A method of drying a paper web is provided. The method utilizes a dryer, such as a through-dryer, having a first dryer section and a second dryer section. Within the first dryer section, a relatively wet paper web is dried at an elevated temperature, such...
10/14/2003
6584703Method for controlling the moisture of a web in machine direction on a coating machine and calender
The invention relates to a method by means of which the machine-direction moisture of a web being calendered or coated and calendered can be controlled in an optimal manner that takes into account moisture content changes along the entire path of the coat...
07/01/2003
6578287Substrate cooling system and method
A method and apparatus is disclosed for staging or cooling a substrate between high temperature thermal processing steps. In the disclosed embodiment, one or more cooling stations are located off-line within a wafer handling chamber, outside the thermal p...
06/17/2003
6550158Substrate handling chamber
An apparatus and method for reducing particles in reactors. The apparatus includes an enclosure with a wafer handling chamber connected by an isolation gate valve to a processing chamber. Pipes deliver purge gas into the wafer handling chamber to eliminat...
04/22/2003
6446356Method of controlling the drying process in a drying section of a paper machine or the like
A method for controlling the drying process taking place in the dryer section of a paper machine. The dryer section comprises at least one drying cylinder unit and at least one air impingement unit. Optimal evaporation is first compiled in a manner known,...
09/10/2002
6412190Infrared and hot air dryer combination
A combined infrared and hot air dryer includes a pressurized hood which is fed with combustion air through an air delivery duct. Each cross-direction zone of the hood includes a mixer. The air enters the mixer without any direct connection between the del...
07/02/2002
6176023Device for transporting flat objects and process for transferring said objects between said device and a processing machine
The present invention relates to a device and process for transporting flat objects confined in a specific atmosphere. The device comprises at least one assembly provided with several thin, flat cells (31) that open onto a lateral face (33) of said assemb...
01/23/2001
6168743Method of continuously heat treating articles and apparatus therefor
A method and apparatus for steam-treating yarn, films, fibers, fiber tow and other polymeric articles is described. The apparatus includes a first orifice for generating minimum pressure areas and a second orifice to provide a sonic shock region operative...
01/02/2001
6154981Method and apparatus for improving the drying capacity of a hood covering a yankee cylinder
A method and an apparatus for improving the drying capacity of a hood covering a Yankee cylinder (10), when drying a web with a Yankee cylinder while conveying the web over the cylinder by blowing hot air jets against the web at the region of a first hood...
12/05/2000
6073366Substrate cooling system and method
A method and apparatus is disclosed for cooling a substrate between high temperature thermal processing steps. In the disclosed embodiment, one or more cooling stations are located off-line within a wafer handling chamber, just outside the thermal process...
06/13/2000
6014818Drying apparatus having a frame device for mounting jet boxes
Apparatus for drying a pulp web includes a plurality of jet boxes, arranged vertically in piles parallel with each other, and provided with openings through which heated air, introduced into the jet boxes, can stream out. The pulp web is conducted in an e...
01/18/2000
5881476Apparatus and method for drying a coating on a substrate employing multiple drying subzones
An apparatus and method for evaporating a coating solvent from a coating on a first substrate surface of a substrate and for minimizing the formation of mottle as the coating solvent is evaporating. A drying oven includes an enclosure having an inlet and ...
03/16/1999
5669157Apparatus and method for separating pieces of laundry
A apparatus for separating pieces of laundry, comprising a drum which is rotatable about a substantially horizontal axis and with an open front and an open rear, which drum is accommodated in a housing, in which the rear of the drum is almost closed off b...
09/23/1997
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