Class 34/634 - Having sealing means

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Subject matter including means to prevent the escape of
No. of patents: 39
Last issue date: 08/16/2005

Number	Title	Issue Date
6928753	Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills The preferred quality requirements postulated by producers for the product cold-rolled strip include, among good flatness and optimum thickness tolerances, also dryness of the strip in the outlet of strip rolling mills. Already existing devices that are disposed in ...	08/16/2005
6562198	Cross-directional interlocking of rolls in an air press of a papermaking machine An air press for pressing a paper web is composed of a plurality of rolls including at least a first roll and a second roll. The first roll and the second roll are positioned adjacent one another and form a first nip therebetween. Further, the first roll ...	05/13/2003
6557268	Dryer and method for drying continuously conveyed products The invention relates to a dryer (1) for drying continuously conveyed products, e.g. a warp, comprising essentially a first dryer array (2) and a second dryer array (3). A passage (4) for passing through the product (W) is formed between the dryer arrays ...	05/06/2003
6397493	Machine for producing and/or treating a material web An apparatus for at least one of producing and treating a material web is provided including at least one wire; an outer sealing belt, which is wider than said at least one wire, comprising a pair of lateral edge regions; at least one heatable unit, havin...	06/04/2002
6397488	Apparatus and method for drying printing composition on a print medium An apparatus and method for drying printing composition on a print medium are disclosed. A method embodiment for use in a printing device includes depositing printing composition onto a print medium and enclosing the print medium in a sealed environment. ...	06/04/2002
6306258	Air press A pressurized box is positioned opposite a vacuum box. The pressurized box has a leading cross machine direction baffle with a ceramic shoe which engages a forming fabric, and a trailing cross machine direction baffle of similar construction. Two end deck...	10/23/2001
6286229	Method and apparatus for treating a board-like material with a gaseous agent The present invention provides a method of treating board-like material with a gaseous treatment agent and an apparatus for implementing the method. According to the method, a gaseous treatment agent is passed through the board-like material being treated...	09/11/2001
6282811	Method of and device for thermal treatment of a continuous product web by blowing of steam In a method and a device for thermal treatment of a continuous product web by blowing of steam, a product web is transported through an inlet slot, an interior of the housing and an outlet slot and steam is blown onto the product web through nozzle openin...	09/04/2001
6240656	Method of forming an air seal and supporting a conveyor within a conveyor dryer A method of using a conveyor dryer having a drying chamber and a conveyor disposed within the chamber for conveying a selected material through the chamber. A stationary conveyor support is disposed on each side of the conveyor for supporting the conveyor...	06/05/2001
6143135	Air press for dewatering a wet web An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering. The air press has an air plenum and a vacuum collection device, each on opposite sides o...	11/07/2000
6119362	Arrangements for impingement drying and/or through-drying of a paper or material web An arrangement for impingement drying and/or through-drying of a paper or material web in which the web is dried by blowing hot air and/or superheated steam from an impingement drying and/or through-drying dryer in a direction substantially perpendicular ...	09/19/2000
6108941	Conveyor dryer with stationary conveyor support structure A conveyor dryer having a drying chamber and a conveyor disposed within the chamber for conveying a selected material through the chamber is detected. A stationary conveyor support is disposed on each side of the conveyor for supporting the conveyor. A ma...	08/29/2000
6093284	Air press for dewatering a wet web with pivotable arm seal An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering....	07/25/2000
6080279	Air press for dewatering a wet web An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering. Side seal members are positioned beyond the lateral edges of the wet web and support fab...	06/27/2000
6006446	Apparatus for the treatment, in particular drying, of material webs To provide uniform treatment criteria over the entire surface of a material web (10) in the region of a drying chamber (11), the treatment air or intake air is directed onto the material web (10) from above and below by means of slot nozzles (19, 24) from...	12/28/1999
5996246	Edge seal for vacuum preheater Flexible edge sealing membranes cooperate with the heating surface of a vacuum preheater and a web moving over the surface (1) to minimize air loss in the portions of the heating surface not covered by the web, (2) to prevent differential heating of the e...	12/07/1999
5948197	Air pressure assisted beltless holddown for double backer An essentially non-contact holddown system for a corrugator double backer utilizes air pressure supplied by a plenum positioned above and closely spaced from the lower heating section which supports the corrugated web. Continuous edge sealing membranes se...	09/07/1999
5926973	Vacuum assisted beltless holddown for double backer An essentially non-contact holddown system for a corrugator double backer utilizes vacuum pressure through the lower heating section which supports the double face corrugated web. Continuous edge sealing membranes overlie the edges of the web and form, wi...	07/27/1999
5638610	Heat setting chamber for the continuous heat setting of yarns In the case of a heat setting chamber for the continuous heat setting of yarns, entry and exit openings are provided, through which transport belts are fed and onto which transport belts the yarns are placed in loops. In the area of the entry and exit ope...	06/17/1997
5615614	Thermography process and apparatus A thermography machine to be subject in use to periods of waiting for supplies of sheets to be processed is provided with a control system whereby at any time the conditions of a normal "run" mode of operation can be switched to or from operations in a "s...	04/01/1997
5581908	Device for drawing in material webs through a drier with a guide that can be closed-off Arrangements are described which allow a printing stock web to be reliably drawn through a drier. A draw-in member which grasps the tip of a printing stock web has a power transmission, e.g. a roller chain, which runs in a guide. Plates or blowing boxes w...	12/10/1996
5575048	Apparatus for treating traveling textile material having expansion chambers An apparatus for treating traveling textile material in a pressurized fluid includes a housing divided into a plurality of expansion chambers and a centrally located treatment chamber through which the material is caused to travel and in which pressurized...	11/19/1996
5566472	Seal for use at band edges in a drying space of a drying apparatus The invention relates to seals for use at band edges in a Condebelt.RTM. apparatus described in Finnish Patent 54 514. In the apparatus, a material web to be dried passes in a substantially airless space between two metal bands (1, 7) or other similar ban...	10/22/1996
5557862	Process and apparatus for the continuous heat setting of yarn laid down in loops In the case of a process for the continuous heat setting of yarn, the yarn, laid down in loops on transport belts, is fed through a heat setting chamber which operates with superheated steam and under atmospheric pressure. Because of the entry and exit op...	09/24/1996
5471765	Arrangement in a dryer for a fibre web An arrangement in a dryer for a fibre web for sealing bands (5a, 5b) that move between a chamber (3) containing pressurized vapor and a chamber (1) containing pressurized water and transport a web (7) and a felt (8) between them, and also for sealing the ...	12/05/1995
5404654	Chambered nip drying of paperboard webs A paper web impulse drying apparatus and method. A paper or paperboard web, typically of indefinite length, is treated after issuing from a Fourdrinier or other paper making apparatus by passing it through the nip of a pair of rolls, at least one of which...	04/11/1995
5323546	Method of drying photographic materials A method for drying photographic materials from an initial moisture content to a desired final moisture content is provided. At least one side of a photographic material having an initial moisture content is heated, with a first heater stage, to achieve a...	06/28/1994
5287606	Apparatus for treating traveling textile material in a pressurized fluid An apparatus for treating traveling textile material in a pressurized fluid, e.g., for heating synthetic filaments to a heat-set temperature in a saturated steam atmosphere is disclosed to comprise a housing defining at least one upstream sealing chamber,...	02/22/1994
5265314	Process and device for crimping yarns, with presteaming In the crimping process the yarns (1) are introduced continuously into a crimping machine (3) in which they are subjected to a compression which has the effect of crimping them. Before being introduced into the crimping machine (3) the yarns (1) are subje...	11/30/1993
5255448	Dry can drying apparatus having tangential blowers Apparatus for drying fabric and yarn includes a plurality of dry cans for transferring heat to the material and elongate tangential blowers parallel and adjacent to the dry cans to circulate air at the surfaces of the dry cans. Each tangential blower has ...	10/26/1993
5210961	Drier with improved configuration of the air ducts The invention relates to a drier for elongate strips of material, wherein a fan for supplying a drying gas mixture to an array of nozzles is not located in the same height as the nozzles, as is common in the field of driers to allow supply of drying gas t...	05/18/1993
5054212	Gas-sealing device for web passage section located at treatment chamber wall A gas-sealing device for a web passage section through the wall of a treatment chamber which enables effective sealing to be achieved not only in a small space but also with a small volume of gas, thereby contributing to a reduction of both equipment and ...	10/08/1991
4905381	Open top compact dryer oven for a web A compact web dryer oven (A) is disclosed which is heat efficient, may be open for convenient cleaning, and raises automatically under the effects of an explosion to relieve pressure and reduce damage to the oven interior. The oven includes a lower housin...	03/06/1990
4622761	Drying apparatus for sheets of material A drying apparatus for sheets of material. The apparatus includes a drying chamber through which a sheet of material which is to be dried is conveyed, and in which the sheet of material is contacted by flowing drying gas. The apparatus also includes a fee...	11/18/1986
4551928	Fiber removing sieve for textile dryers There is provided a fiber removing sieve for textile dryers which includes two sieve elements, one of which is removable from the recirculating stream of drying air for cleaning as the other element takes over operative removal of fibers from the stream o...	11/12/1985
4490927	Apparatus for curing fibrous mineral insulation material Apparatus for curing fibrous mineral insulation material comprises an oven, upper and lower conveyor belts for carrying the insulation through the oven, support means for supporting the belts, a supply plenum for directing curing gases through the belts a...	01/01/1985
4183151	High production steamer for tubular knitted fabric or the like A high production steamer for tubular knitted fabrics or the like which comprises means for distending and conveying the fabric along a predetermined, generally horizontal processing plane and a pair of steam boxes mounted in opposed relation, one above a...	01/15/1980
4124942	Method and apparatus for controlling the moisture content of a web of sheet material A method and apparatus for providing in a web of sheet material, particularly a paper web, a predetermined moisture content which is uniform throughout the web. The web which has been dried so as to be within the hygroscopic range is directed through an e...	11/14/1978
4122611	Apparatus for the continuous thermal treatment of a product moving through an enclosed space An apparatus for the continuous thermal treatment of a product within an atmosphere made up of steam (saturated or superheated) of pure water or of a mixture of air and water vapor is disclosed. The product moves through an enclosed or confined space for ...	10/31/1978

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Class 34/634 - Having sealing means