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Class Information
Number: 162/132
Name: Paper making and fiber liberation > Processes and products > Multi-layer waterlaid webs or sheets > Separately formed webs subsequently united
Description: Processes in which a web or sheet is deposited on each of a plurality of separate forming means and subsequently united after substantial felting of each web or sheet has taken place.










Sub-classes under this class:

Class Number Class Name Patents
162/133 On common felt or carries (non-mold) 50


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8691051 Security paper material, in particular for labelling and packaging, and manufacturing method thereof Apr. 8, 2014
8657996 Methods of using combinations of a lipase and an oxidant for pitch control in paper making processes and products thereof Feb. 25, 2014
8585864 Fire and smoke retardant composite materials Nov. 19, 2013
8506756 Embossed sheet comprising a ply of water-soluble material and method for manufacturing such a sheet Aug. 13, 2013
8414738 Multiple ply paper product with improved ply attachment and environmental sustainability Apr. 9, 2013
8409404 Multi-ply paper towel with creped plies Apr. 2, 2013
8381536 Conductive webs Feb. 26, 2013
8216424 Multi-ply paper product with moisture strike through resistance and method of making the same Jul. 10, 2012
8145363 Systems and methods for controlling load dynamics in a pumped refrigerant cooling system Mar. 27, 2012
8083893 Embossing process including discrete and linear embossing elements Dec. 27, 2011
8025764 Multi-ply paper product with moisture strike through resistance and method of making the same Sep. 27, 2011
8002921 Electrodes for electric double layer devices Aug. 23, 2011
7988825 Web-forming section and method for manufacturing multi-layer web Aug. 2, 2011
7931777 Multi-layer web formation section Apr. 26, 2011
7918964 Multi-ply paper towel with absorbent core Apr. 5, 2011
7879192 Multiply former apparatus Feb. 1, 2011
7862686 Enhanced multi-ply tissue products Jan. 4, 2011
7799167 Embossed crepe paper and its manufacturing method Sep. 21, 2010
7799169 Multi-ply paper product with moisture strike through resistance and method of making the same Sep. 21, 2010
7754314 Security paper highly resistant to double folding and method for making same Jul. 13, 2010
7699959 Enhanced multi-ply tissue products Apr. 20, 2010
7670669 Absorbent paper product such as napkin or handkerchief, methods for manufacturing such a product, and apparatus implementing such methods Mar. 2, 2010
7608165 Multi-layer web formation section Oct. 27, 2009
RE40724 Multiple ply tissue paper Jun. 9, 2009
7524404 Embossing process including discrete and linear embossing elements Apr. 28, 2009
7513974 Absorbent paper product such as napkin or handkerchief, methods for manufacturing such a product, and apparatus implementing such methods Apr. 7, 2009
7497923 Enhanced multi-ply tissue products Mar. 3, 2009
7435313 Process for producing deep-nested embossed paper products Oct. 14, 2008
7413630 Multi-layer sheet of absorbent paper Aug. 19, 2008
7413629 Process for producing deep-nested embossed paper products Aug. 19, 2008
7399379 Process of attaching reinforcing ply to ply containing mica-rich and mica-poor faces Jul. 15, 2008
7387702 Paper or paperboard laminate and method of producing such a laminate Jun. 17, 2008
7320742 Packaging device and method for absorbing moisture Jan. 22, 2008
7303654 Cellulosic product and process for its production Dec. 4, 2007
7294230 Flexible multi-ply tissue products Nov. 13, 2007
7118648 Paper Strap Oct. 10, 2006
7112259 High temperature paper Sep. 26, 2006
7029756 Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent properties Apr. 18, 2006
7026037 Absorbent paper product such as napkin or handkerchief, methods for manufacturing such a product, and apparatus implementing such methods Apr. 11, 2006
7005035 Packaging device and method for absorbing moisture Feb. 28, 2006
6942755 Method for fabricating an embossed sheet of cellulose tissue, a product so made and an embossing cylinder Sep. 13, 2005
6932886 Multi-ply fibrous plasterboard web Aug. 23, 2005
6916403 Embossed sheet material and method Jul. 12, 2005
6913673 Heated embossing and ply attachment Jul. 5, 2005
6896768 Soft bulky multi-ply product and method of making the same May. 24, 2005
6880583 Papermaker's and industrial fabric seam Apr. 19, 2005
6855228 Method and device for the production of multilayer paper and related products Feb. 15, 2005
6833055 Multi-ply paperboard prepared from recycled materials and methods of manufacturing same Dec. 21, 2004
6827819 Soft bulky multi-ply product Dec. 7, 2004
6811652 Multi-layer paper web and a method of forming it Nov. 2, 2004

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