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Class Information
Number: 162/206
Name: Paper making and fiber liberation > Processes and products > Running or indefinite length work forming and/or treating processes (e.g., web) > Subsequent treatment of formed web > Pressure > With heating and/or cooling
Description: Processes combined with a step of altering the temperature of the treated web.










Patents under this class:
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Patent Number Title Of Patent Date Issued
4515656 Low density nonwoven sheets May. 7, 1985
4506457 Method and apparatus for drying a paper, or similar, web Mar. 26, 1985
4506456 Method for drying a porous web in an extended nip press Mar. 26, 1985
4483745 Method and apparatus of sheet transfer using a nonporous smooth surfaced belt Nov. 20, 1984
4473440 Calendered peat moss board Sep. 25, 1984
4421583 Man-made filaments and method of making wound dressings containing them Dec. 20, 1983
4405407 Fibrous materials Sep. 20, 1983
4391670 Low energy TMP furnish of improved strength by ozonation and press drying Jul. 5, 1983
4356059 High bulk papermaking system Oct. 26, 1982
4324613 Methods and apparatus for the rapid consolidation of moist porous webs Apr. 13, 1982
4318774 Composite nonwoven web Mar. 9, 1982
4311555 Method of manufacturing fiberboard Jan. 19, 1982
4311554 Incombustible material Jan. 19, 1982
4309246 Papermaking apparatus and method Jan. 5, 1982
4309248 Process for manufacturing boron nitride fiber mats using calender rolls Jan. 5, 1982
4309245 Process for manufacturing boron nitride fiber felt using a Fourdrinier machine Jan. 5, 1982
4309244 Process for manufacturing boron nitride fiber mats Jan. 5, 1982
4302282 Method of and apparatus for making imprinted paper Nov. 24, 1981
4274915 Process for manufacturing heat-sealed proofed paper or card on a Fourdrinier machine Jun. 23, 1981
4272316 Steam shower Jun. 9, 1981
4257842 Preparing permanently embossed, highly porous wallpapers Mar. 24, 1981
4238280 Photographic support Dec. 9, 1980
4225384 Method of operating a paper machine, particularly a press section thereof Sep. 30, 1980
4216055 Electrostatic recording material and the method of preparing it Aug. 5, 1980
4212703 Process for the manufacture of laminated sheets of cellulosic and polymeric fibrous materials Jul. 15, 1980
4196044 Product and process for making a creped and calendered cellulosic electrical paper Apr. 1, 1980
4196045 Method and apparatus for texturizing and softening non-woven webs Apr. 1, 1980
4193841 Method for the manufacture of a mineral fiber sheet Mar. 18, 1980
4192711 Paper-manufacturing method and apparatus for conveying a web from a forming wire to a drying section Mar. 11, 1980
4173248 Medium density, high strength lignocellulose composition board including exhaustively hydrated cellulosic gel binder Nov. 6, 1979
4172007 Method and apparatus for reliably transporting a web in a paper making machine Oct. 23, 1979
4163688 Apparatus for dewatering in a paper machine Aug. 7, 1979
4153503 Method of wet-forming mineral fiberboard product having damage-resistant overlay May. 8, 1979
4139410 Method of dewatering and drying in a Yankee machine Feb. 13, 1979
4132590 Method of producing inorganic boards Jan. 2, 1979
4114528 Apparatus for web caliper control Sep. 19, 1978
4113554 Method of manufacturing insulating board Sep. 12, 1978
4089738 Method and apparatus for influencing the characteristics of the surface of a paper product May. 16, 1978
4086131 Method for pressing bagasse webs Apr. 25, 1978
4072558 Non-combustible hardboard sheet Feb. 7, 1978
4040899 Production of high strength packaging papers from straw Aug. 9, 1977
4024014 Non-combustible hardboard sheet May. 17, 1977
4016030 Calendering paper containing thermoplastic contaminants Apr. 5, 1977
4011130 Leather-like waterlaid sheets containing particulate fillers Mar. 8, 1977
4009073 Production of hardboard in a closed water system Feb. 22, 1977
4003783 Method for compacting a nonwoven fabric impregnated with a thermoplastic binder Jan. 18, 1977
3957573 Process for producing insulating paper where the paper is frictionally calendered May. 18, 1976
3938261 Apparatus for improving printing surface of printing material Feb. 17, 1976

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