Matches 301 - 323 out of 323 < 1 2 3 4 5 6 7
Match Document Document Title
4462866 Sheet materials  
A sheet material such as paper is provided during manufacture with an elongate element partially disposed within the thickness of the paper sheet but exposed at spaced locations one one side of the...
4462867 Paper incorporating a partially embedded strip  
A method of forming a paper comprises depositing paper fibres onto a support surface from a furnish by drainage, laying a strip having fibre deposition blocking regions and fibre deposition...
4300981 Layered paper having a soft and smooth velutinous surface, and method of making such paper  
A layered paper and method of making it, which paper is characterized by having a soft, relatively untextured smooth velutinous surface defined by a multiplicity of relatively flaccid papermaking...
4289580 Heat seal fibrous web and method of its manufacture  
Improved infusion web material for tea bags and the like is provided by using synthetic pulp in the heat seal phase and forming therein an array of a large number of small discrete craters. These...
4274914 Filter material  
A non-woven cellulose ester fibrous filter sheet material comprising cellulose ester staple fibers and cellulose ester fibrets which exhibits improved filtration properties and the method of its...
4263093 Method for retaining textured surface of pressed ceiling board  
A low-cost mineral-fiber board having a natural-appearing highly textured surface, and improved uniformity of density is produced by coating the wet-textured surface of a perlite-containing...
4239591 Manufacture of an non-laminated paper web having regions of increased thickness  
A non-laminated paper sheet product characterized by regions or islands of increased thickness, usually located in the center of the sheet for more economical use of the paper product and for...
4226674 Method of forming a textured fiberboard  
The invention is a process for forming a fiberboard structure with a rough textured surface on a conventional Oliver forming machine. The machine is operated in such a manner as to prevent the...
4060449 Electrostatic method and apparatus for making a patterned, non-woven sheet  
A method and apparatus for making a patterned non-woven sheet by providing a slurry of fluid and fibers and forming the slurry into a sheet-like form. An electrostatic field action is provided that...
3880706 Security paper containing fused thermoplastic material distributed in a regular pattern  
A method of making security paper such as paper for currency notes and paper made by the method. The method comprises incorporating in the body of the paper thermoplastic material, such as...
3804706 INORGANIC FIBER BOARD WITH BINDER OF THERMOSETTING RESIN AND THERMOPLASTIC VINYLIC RESIN  
An inorganic fiber board having improved high resistance to splitting the board parallel to the plane of the board and an apparent density of from about 0.3 g/cm 3 to 1.0 g/cm 3 is produced by...
3775244 APPARATUS FOR MANUFACTURING NONWOVEN TEXTILES  
An apparatus for manufacturing nonwoven textile webs from an aqueous dispersion of fibers including an endless flexible porous belt, a headbox positioned to deliver the aqueous dispersion to the...
3511744 SAG-RESISTANT FIBERBOARD PANEL AND METHOD OF MAKING THE SAME  
3493463 PROCESS AND APPARATUS FOR FORMING A HIGH STRENGTH BAND ALONG THE LENGTH OF A PAPER WEB  
3470977 FIRE RESISTANT GLASS FIBERBOARD AND METHOD OF MAKING SAME  
3337388 Selective napping of embossed paper toweling and article produced thereby  
3138518 Method of making striated paperbpoard  
3119730 Non-floating, high alpha dissolving pulp sheet  
3100733 Polymeric sheet material and method of making same  
3061505 Method and apparatus for imparting enhanced stretchability to paper  
3053727 Mounting for electrical resistance elements and method for preparing the same  
3006793 Adhesive products  
2992152 Method of forming a board product  
Matches 301 - 323 out of 323 < 1 2 3 4 5 6 7