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Class 34/446 - Temperature or moisture control of material treated or treating gas or vapor


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the temperature or humidity of the treating
No. of patents: 138
Last issue date: 01/03/2012


1        
NumberTitleIssue Date
8087182Method for operating a condenser tumble-dryer comprising condenser tumble dryer that is suitable for said method
A method for operating a condenser tumble dryer is provided and includes a drying chamber for containing objects to be dried, a process air circuit having a heating element, a fan for conducting heated process air over the objects, a heat pump circuit having an evap...
01/03/2012
7384509Method for controlling the moisture profile of a paper web
A method for controlling the moisture profile of a paper web or board web processed in a heated multi-roll calendar to optimize the qualities of the paper or board, especially gloss. The method is characterized in that the moisture measurement is carried out both on...
06/10/2008
7367140Method of drying molds and apparatus for supplying drying air
In a method of drying molds or mold parts for the manufacture of optical lenses, in particular ophthalmic lenses and especially contact lenses, the mold or mold part to be dried is exposed to drying air. For this purpose, humid pressurized air (T) is used to which t...
05/06/2008
7353624Clothing drying machine and method for sensing dryness level using the same
A clothing drying machine, which terminates drying operation when a dryness level of the drying machine reaches a target level desired by a user, and a method for sensing the dryness level using the same. The method includes counting the frequency of a case, in whic...
04/08/2008
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
7322126Apparatus and method for controlling a clothes dryer
A clothes dryer has a degree of dryness control system that is responsive to moisture level of clothing articles tumbling in a drum and a target moisture value to control the drying cycle of the clothes dryer. The clothes dryer has a load size parameter producing mo...
01/29/2008
7314003Electrostatic printing apparatus and electrostatic printing method
An electrostatic printing apparatus according to the present invention rubs powdery ink into a screen having a predetermined printed pattern formed therein, and applies a voltage between the screen and an object so as to attach the powdery ink to the object. A plura...
01/01/2008
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
7241411Thin film strips
A method of forming a thin film strip and thin film strips formed thereby where the method comprises coating a liner substrate with a wet slurry of film forming ingredients and other components and drying the wet slurry in a drying apparatus to form a film, measurin...
07/10/2007
7176415Heating method for a band-shaped body and heating apparatus for a band-shaped body
A heating method and apparatus for a band-shaped body transported in a constant conveying direction in a heating zone so as to heat the band-shaped body is provided. The method includes detecting whether a portion of the band-shaped body at which width and/or thickn...
02/13/2007
7150111Method and equipment for producing driving power in a paper or board mill
A paper or board mill includes a drying section, which includes at least one drying cylinder group and at least one impingement drying unit (PK). The method uses a turbine engine (10), the combustion gases (1) of which are conducted at least into the impingement dry...
12/19/2006
7147754System for keeping calender rolls of a paper machine clean
A system for maintaining calender rolls of a paper machine clean when producing high-gloss paper or coated paper, such as LWC or MWC. To prevent a coating agent, such as coating dye, from adhering onto and soiling a smooth surface of a calender roll, with an overhea...
12/12/2006
7141141Apparatus and method for determination and control of paper web qualities on a papermaking machine
The invention relates to an apparatus for the on-line determination of paper web moisture content and/or temperature on the dryer section of a papermaking machine. The apparatus is designed to form, in combination with a doctor means and/or a packet ventilating tube...
11/28/2006
7089683Drying device
The aim of the present invention is to create an efficient energy rational and consequently economical drying device, particularly the drying compartment unit, which could be used for drying processes for all wood products regardless to dimensions, with the ability ...
08/15/2006
7067039Method and equipment in connection with a paper machine or a paper web finishing apparatus
A variable representing runnability of a paper web to be manufactured with a paper machine or processed with a finishing apparatus is measured and the speed difference between operational groups of the paper machine and/or the finishing apparatus is adjusted on the ...
06/27/2006
7059066Method and apparatus for the production and treatment of a material web
A method and an apparatus for the production and processing of a material web, specifically a paper or cardboard web are described, whereby the material web is first wound and subsequently unwound for a subsequent finishing process and whereby the material web after...
06/13/2006
7007409Drying rack for a laundry dryer
A drying rack for the stationary drying of articles to be dried, which can be installed in the drum of a clothes dryer. The articles can be knitwear or shoes that must not be moved when dried even when the drum turns. For articles, especially, wool articles, to dry ...
03/07/2006
6998021Arrangement for paper machine, and blow box
In a paper machine which comprises process elements and a measuring beam, the measuring beam is arranged at least at one paper machine process element so that a measuring device for measuring quality properties of a paper web is arrangeable in the measuring beam. Th...
02/14/2006
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
6971295Sheet delivery apparatus
A sheet delivery apparatus includes a cutter cylinder, a cutter reception cylinder, and a conveyor provided downstream of the cylinders. The cutter cylinder and the cutter reception cylinder cooperatively cut a paper web so as to yield sheets of predetermined size. ...
12/06/2005
6957501Clothes dryer and method for controlling operation thereof
A clothes dryer and a method for controlling its operation are disclosed, in which the clothes dryer includes a second motor being separately driven from a drum or a circulation fan to control a cooling fan for cooling a condenser. As for the second motor, a variabl...
10/25/2005
6944968Method 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...
09/20/2005
6941673Multi-function closed-type drying system with solar energy collection arrangement
A closed-type drying system a drying chamber with glass windows to allow light entering, an condensation and heating system connected between two distal ends of the drying chamber and controlled by an automatic control system, the condensation and heating system inc...
09/13/2005
6938356Drying machine
A washing/drying machine has objects to shorten a time required for a washing operation, to improve a heat exchange capability in a radiator and an evaporator, and to shorten a drying time for things to be dried, and comprises: an accommodating chamber in which thin...
09/06/2005
6938359Method for controlling drying of a web-formed material
A web-formed material (1), preferably a pulp web (1), is passed through a drying plant, comprising blow boxes arranged in a plurality of drying decks, floating above lower blow boxes, which at their upper sides blow out hot process air against the web-...
09/06/2005
6931755Dehumidifier as effected by moisture exchange
A dehumidifier includes: a housing, a fan axially mounted in the housing along a longitudinal axis of the housing, and a moisture-exchange device having a plurality of thin flat air-penetrable ducts radially disposed in the housing and having a dehydrating chamber f...
08/23/2005
6931756Combination dehydrator and condensed water dispenser
A portable, atmospheric dehydrator and water condenser for dehydrating fruits and vegetables while producing pure atmospheric condensation from humidity found in the air and purifying the water for dispensing and drinking purposes. ...
08/23/2005
6921026Preservation of intermediate moisture foods by controlling humidity and inhibition of mold growth
A humidity control device for use in maintaining a desired humidity in packages of food, the device including a protective case, a water vapor permeable pouch and a thickened saturated solution, the solution having a suitable humidity control point for use within a ...
07/26/2005
6915593Drying rack for a laundry dryer
A drying rack can be fixed in the drum of a tumble dryer to dispose items to be dried in a static manner. The items can be, for example, woolens or shoes that should not be rotated with the moving drum during the drying process. To prevent the items to be dried from...
07/12/2005
6910283Method and system for heat recovery in a throughdrying tissue making process
A throughdrying process and system for the manufacture of a tissue web conveys a fibrous web of cellulose fibers through a throughair drying station that includes one or more throughair dryers. The throughair drying station is supplied with a heated drying medium fr...
06/28/2005
6904331Method of paper machine control and apparatus for the method
The present invention is characterized in that in a simulation for predicting a steam pressure setpoint after grade change, an initial moisture percentage is evaluated from differences between bone-dry basis weights and between machine speeds before and after grade ...
06/07/2005
6898867Air compression variable heating system
A compressed air supply system for an air drying device such as a blow-off air knife or compressed air manifold with nozzles directed at articles passing on a conveyor therebeneath is provided with a recirculation loop. An adjustably variable portion of the compress...
05/31/2005
6860033Method for minimizing tension variation in a paper web induced by drying of the web in a paper machine
Tension variations in the paper web on a paper machine are caused by successive draws and moisture fluctuations. Good strength properties require optimization of the draws. In addition, the tension variation induced by moisture must be minimized. The analysis of loc...
03/01/2005
6842998Membrane dryer
A system, method, and apparatus for supplying a gas-liquid vapor to a process tank for performing semiconductor manufacturing. In one aspect, the invention is a method of supplying a gas-liquid vapor to a process tank comprising: supplying a gas stream through at le...
01/18/2005
6824829Process for manufacturing thin film strips
A method of forming a thin film strip. The method comprises coating a liner substrate with a wet slurry of film forming ingredients and drying the wet slurry in a drying oven to form a film. A moisture content of the film is measured as the film exits the drying ove...
11/30/2004
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
6792694Control system for an automatic clothes dryer
A control system for a clothes dryer has an inlet thermister located in the air flow system prior to the dryer drum to monitor the inlet temperature. This inlet temperature signal is provided to a microprocessor which samples this temperature over time and when this...
09/21/2004
6773551Device for determining the characteristics of a running material web
Method and apparatus for determining characteristics of a running material web, the apparatus including at least one measuring device. The at least one measuring device is movable and has at least two degrees of freedom of movement. Each of the at least two degrees ...
08/10/2004
6735883Electrostatic assisted web cooling and remoistening device
Apparatus and a method for enhancing the effectiveness of a water spray (30) to cool and/or remoisten a web (12) of material. The apparatus includes a web dryer, preferably a flotation dryer (100), an electrostatic charge generating device (3...
05/18/2004
6732452Apparatus and process for throughair drying of a paper web
A paper web drying apparatus and process is provided in which the heated air drying medium is replaced with between 10 percent to 100 percent of live steam. The addition of a steam component to the drying medium provides for a higher drying temperature to be supplie...
05/11/2004
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