Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20120168103 | Creping Adhesive Compositions And Methods Of Using Those Compositions Improvements to absorbent sheet manufacture include spraying a softener onto the web and providing a creping adhesive to a surface of a heated drying cylinder of a Yankee dryer such that a creping adhesive coating is formed, the creping adhesive comprising a poly(aminoa... | 07/05/2012 |
| 20100206506 | Device and process for production of a fibrous web A machine and process for production of a fibrous web, with a forming section (2) in which the web is formed from a pulp suspension on a fabric (3) and with a final drying unit (4). In at least one further drying step, a rotatable dryer (5) w... | 08/19/2010 |
| 20100206505 | Method and apparatus for drying of fibrous webs A machine and process for production of wet formed fibrous webs, in which the web is formed from a suspension on a fabric and subjected to a final drying process such as a Yankee dryer roll, while further subjecting the Web to an intermediate drying on a high-heat-trans... | 08/19/2010 |
| 20100096095 | METHOD AND DEVICE FOR THE PRODUCTION OF A NEW FIBROUS WEB A method is cited to produce a fibrous web, especially a graphic paper web, from a pulp composition which consists of at least 20 weight % fibrous pulp which is selected from the group which consists of BCTMP, CTMP, APMP and any desired combination thereof and contains ... | 04/22/2010 |
| 20100084104 | PROCESS AND DEVICE TO MOISTEN A WEB OF MATERIAL In a method for moistening a material web, particularly a moving web, particularly a paper or cardboard web, the moisture is applied onto the material web via at least two medium flows of different temperatures, particularly two vapor flows, or one vapor flow and one ga... | 04/08/2010 |
| 20100043994 | End Part of an Air Dryer, Air Dryer, Method in the End Part of an Air Dryer and Use of Fan The object of the invention is an end part (1) of an air dryer, the air dryer being applicable for drying a pulp web, such as a cellulose web or the like. The end part comprises a fan tower (11), and a roll tower in which a number of turn roll (27, 37 | 02/25/2010 |
| 20090283234 | METHOD AND APPARATUS FOR DRYING A FIBROUS WEB A method for drying a fibrous web, particularly a paper, cardboard or tissue web whereby the moving fibrous web is treated with got air in the area of a pre-definable drying zone the fibrous web is treated, at leas in some areas inside the drying zone with steam.... | 11/19/2009 |
| 20090260772 | Sheet Stabilization With Dual Opposing Cross Direction Air Clamps An air stabilization system employing two parallel, opposite facing Coanda nozzles, that are positioned adjacent a flexible moving web, with each nozzle exhausting gas at opposite directions, subjects the moving web to opposing forces effective to stabilize the web. Eac... | 10/22/2009 |
| 20090260771 | Sheet Stabilizer With Dual Inline Machine Direction Air Clamps and Backsteps An air stabilization system employing two substantially parallel, codirectional Coanda nozzles, that are positioned adjacent a flexible moving web, with each nozzle exhausting gas at the same downstream machine direction, subjects the moving web to shear forces effectiv... | 10/22/2009 |
| 20090194245 | Papermaking Clothing Defining a Width of a Paper Web and Associated System and Method A clothing for supporting a wet paper web for dewatering is provided, comprising a dewatering fabric extending in a machine direction and formed only from a woven material to have a single, substantially consistent, permeability. A pair of laterally-spaced strip portion... | 08/06/2009 |
| 20090173466 | Drop-out steam profiling cartridge A steam distributor for applying steam to a continuously moving paper sheet employs one or more drop-out steam profiling cartridges. Each cartridge is connected to a steam distribution apparatus and includes a number of profiling zones that are covered by a contoured, s... | 07/09/2009 |
| 20080035291 | Infrared-Absorbing Ticket Stock and Method of Making Same A ticket stock and manufacturing process wherein a pulp is formulated from a blend of recycled printed papers, with added starch for enhancing sheet stiffness and reducing linting and dusting on cut edges of the stock. A preferred pulp comprises a blend of printed solid... | 02/14/2008 |
| 20080023166 | Device for the Production and/or Treatment of a Strip or Sheet of Material The invention relates to a machine for the production and/or treatment of strip or sheet material (20), particularly paper or cardboard, which is connected to at least one associated fuel cell (26) such that the thermal energy produced by the fuel cell uni... | 01/31/2008 |
| 20070251661 | Paper Machine Comprising a Single Nip Press The invention relates to a machine for producing and/or further processing a fibrous web, said machine comprising a press part and a drying part. The press part comprises only one press nip, and the first or second drying group of the dry part comprises an air-flow dryi... | 11/01/2007 |
| 20070209769 | Papermaking Machine And Papermaking Method The present invention relates to a papermaking machine and papermaking method that make paper web by removing moisture while making a paper stock layer travel, and the object of the invention is to dehydrate the paper stock layer more efficiently. | 09/13/2007 |
| 20070102127 | Method and apparatus for producing tissue paper A method of making paper comprising over drying the paper web by a dryer; transporting the paper web to a reel; and supplying dry air adjacent at least a portion of the paper web's travel path from the dryer to the reel. A paper machine comprising a dryer and a reel; at... | 05/10/2007 |
| 20060162891 | Method for controlling the temperature of a cellulosic web entering a dryer The invention relates to a method for controlling the temperature of a web, which is formed from cellulosic pulp and is to be passed to a dryer, by way of applying temperature-controlled liquid to the web. According to the invention, the thus formed web is passed into a... | 07/27/2006 |
| 20060118259 | Method, system and calender for controlling the moisture profile and/or moisture gradient of a paper web, and a web The moisture profile and/or moisture gradient of a paper web of at least SC quality paper is controlled in a paper machine comprising a calender (1) which has at least two roll stacks (21, 22; 31, 32), one stack has at least three rolls and another has at ... | 06/08/2006 |
| 20050230072 | Aramid paper blend The present invention relates to aramid paper which is suitable for composite structures and which is made using a combination of para-aramid pulp, floc, and, optionally, a polymer binder material. ... | 10/20/2005 |
| 20050194112 | Method and device for treating a paper or cardboard web A method and a device for treating a web, wherein the web is coated by a coating device. The coated web is calendered, and a steam application device applies steam to the coated web before the coated web is calendered. The instant abstract is neither intended to define ... | 09/08/2005 |
| 20050155734 | PROCESS FOR MAKING THROUGHDRIED TISSUE BY PROFILING EXHAUST GAS RECOVERY The energy efficiency of a throughdrying papermaking process is improved by recycling exhaust gas from one or more throughdryers prior to throughdrying to profile the consistency of the web. ... | 07/21/2005 |
| 20050138837 | Dryer section Dryer section for drying a fibrous web supported by at least one drying fabric. The dryer section includes a plurality of heated drying cylinders, a plurality of guide rolls, and a plurality of dampening devices arranged at different locations relative to the fibrous we... | 06/30/2005 |
| 20050098284 | Method for treating the surface of a web In the method for treating the surface of the web, liquid is added on the surface of a paper or paperboard web (W), possibly with other constituents. The absorbency of the surface of the paper or paperboard web is increased before liquid is brought on the surface of the... | 05/12/2005 |
| 20050056392 | Apparatus and method for conditioning a web on a papermaking machine An apparatus and method for conditioning a moving porous web on a papermaking machine is disclosed. The web has a first and a second surface and a high temperature gaseous boundary layer adjacent at least the second surface. The apparatus contains means for conveying th... | 03/17/2005 |
