Matches 251 - 300 out of 463 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4518642 Loudspeaker diaphragm and method for making same  
A loudspeaker diaphragm is disclosed which is formed of a slurry of cellulose fibers and polypropylene fibers. In the fabrication of the diaphragm, a felt is made of the slurry, and the felt is...
4517228 Pigmented prepress coatings for composition board  
Disclosed herein is a process for coating a fiber mat with a pigmented coating prior to subjecting the mat to heat and pressure treatment to form a composition board having a smooth, embossed or...
4517148 Method for pressing a composite assembly  
The present invention relates to a process of forming an extended elongate product from a plurality of strands by subjecting the strands to heat and pressure. The improvement of the present...
4510108 Method of forming blanks for the solid-phase forming of thermoplastic articles  
An improved, essentially scrap-free, solid-phase process for making thermoplastic articles directly from resinous powder. The process can be particularly advantageous to forming large parts from...
4508673 Molding of glass wool with wrinkle-free surface  
The process includes a first molding step with an upper surface of the glass wool pelt having been sprayed with water and with a lower surface of the glass wool pelt insulated from the lower mold...
4476078 Process for manufacturing embossed nonwoven fibrous products  
A process for manufacturing embossed, nonwoven fibrous products comprising the steps of subjecting a binder-treated fibrous dry laid web to a low cure treatment to obtain a moldable web with good...
4469656 Method for forming embossed acoustical tile  
A method for making acoustical tile having a pattern of raised portions and portions in relief on the tile surface is provided by contacting deformable, acoustical tile fiber composition pulp with...
4468361 Process for imparting surface-structures to wood-cement boards  
A process is created for incorporating surface structures into wood-cement boards which are pressed during cement hardening in a batch press and then are kept in clamping apparatus in the pressed...
4435347 Process for the production of molded members from elongated particles of wood  
A method for forming articles such as crates in which sides of the crate extend generally perpendicular to the base of the crate. The method includes forming a layer of loose binder coated wood...
4432922 Process for molding a brake lining friction product  
A process for molding a friction material for use as brake lining in automobiles, trucks, buses or similar vehicles. The brake lining contains no more than traces of asbestos and utilizes the...
4425126 Fibrous material and method of making the same using thermoplastic synthetic wood pulp fibers  
A high loft, low density, nonwoven fibrous web is provided comprising a plurality of irregularly arranged, intersecting, overlapping, mechanically interengaged, loosely assembled fibers including...
4421700 Method and technique for installing light-weight, fragile, high-temperature fiber insulation  
A method of installing fragile, light-weight, high-temperature fiber insulation, particularly where the insulation is to be used as a seal strip providing a high order of thermal barrier...
4420351 Method of making decorative laminated products such as tiles, panels or webs from cellulosic materials  
A laminated decorative tile particularly for flooring purposes, is made by forming a base layer of granulated cellulosic material in a matrix of fusible plastics, and placing on the base layer a...
4417931 Wet compaction of low density air laid webs after binder application  
In the manufacture of low density air laid webs of predominantly ligno-cellulosic material, the method and apparatus for bonding the dry web with binder and compacting the web with a wet, fabric...
4415517 Method and apparatus for shaping fiber mats  
Method and apparatus for shaping of mats composed of loose fibers with a thermosetting resin interspersed throughout. The apparatus compresses the mat and exposes its laterally extending surfaces...
4415617 Base fabric for the manufacture of embroidery and lace and method of its preparation  
An improved base fabric useful for the manufacture of embroidered lace is disclosed. The base fabric is made from a non-woven, needled fabric composed of water-soluble staple fibers which is...
4405675 Panelboard with friction surface  
A waferboard panel is disclosed and a method of making the panel having a friction surface on at least one side. The friction surface retains the water resistant properties of the panel surface and...
4401615 Method of molding a perforated article  
A method of molding a perforated article involves supplying a formable material to a preforming chamber where the material is compressed so that it substantially assumes the cross-sectional shape...
4396452 Process for point-bonding organic fibers  
Nonwoven point-bonded fabrics of improved softness are prepared by simultaneously heating and compressing spaced, discrete areas of a nonwoven, bondable fiber web containing an attenuating bonding...
4393021 Method for the manufacture of granular grit for use as abrasives  
A pasty mix of granular grits, binder and filler is pressed through a sieve web by rolling action to form cylindrical, worm-like extrusions. After hardening in a heating duct the extrusions are...
4379808 Sheet type forming board and formed board products  
A sheet type forming board for use in heat forming processes without the need for pre-soaking or pre-steaming required of prior hardboard materials. The forming board sheet has at least one layer...
4379101 Forming apparatus and method  
An apparatus and method are disclosed for forming a fibrous workpiece comprised of a layer of randomly disposed fibers and adhesive material dispersed throughout the fibers for binding same upon...
4378265 Process for producing molded parts from flat tangled fleece mats  
The present invention relates to a process for producing molded parts from flat tangled fiber fleece mats, preferably formed from binder-containing cellulose or lignocellulose fibers, in which the...
4364884 Method of manufacturing a radome  
A radome and the method of manufacture thereof are presented wherein the radome is constructed from a series of rings of fiber reinforced polytetraflouroethylene. The rings are machined from a cold...
4363771 Process for preparing non-oriented polyolefin film  
A method for producing non-oriented film that comprises depositing high molecular weight polyolefin powder on a smooth non-adherent substrate, sintering the deposited powder, contacting the...
4359132 High performance speaker diaphragm  
The disclosure is of a high performance speaker diaphragm which comprises needled and interlocked textile staple fibers of a first, relatively heat-resistant fiber and a second, heat-softenable...
4352766 Scrapless forming of plastic articles  
A scrap-free, substantially solid phase, relatively low temperature economical process for rapidly making plastic articles from resinous powders wherein the resultant articles can comprise various...
4343753 Method for finishing a tubular felted sleeve  
A method is disclosed for use in the finishing of sleeves (23) made by needle felting thermoplastics fibres. The sleeves (23) are placed over cylindrical supports (13) mounted for rotation about...
4341663 Process for the production of spherical shaped bodies based on Al.sub.2 O.sub.3 and optionally SiO.sub.2  
A process for the preparation of shaped bodies includes preparing a plastic mixture of a material selected from the group consisting of aluminum oxides, aluminum hydroxides, silicon oxides, silicon...
4340556 Production of fibrous sliver having particulate matter distributed therethrough  
A fibrous sliver having particulate matter substantially homogeneously distributed therethrough is provided. The sliver is formed by first forming a low weight web of fibrous material and...
4325899 Method for heat forming hardboard and other types of forming board  
A method and apparatus for heat forming hardboard and other types of forming board including the steps of placing a mesh screen in a die between upper and lower platens having mating contours,...
4323531 Process for forming a plastic article  
A scrap-free, substantially solid phase, relatively low temperature economical process for rapidly making plastic articles from resinous powders wherein the resultant articles can comprise various...
4315880 Manufacture of fibrous products  
Process for the manufacture of fibrous products by drawing at elevated temperature a sheet comprising sintered particles of a synthetic organic thermoplastic polymer, which sheet also contains 0.1...
4307053 Method and apparatus for processing compressible material  
A method and apparatus for processing compressible insulation material of mineral fibers in which a folding shoe guides the insulation material from a strip condition into a cylindrical condition...
4277428 Post-press molding of man-made boards to produce contoured furniture parts  
Multi-sided decorative moldings and furniture parts are manufactured by drying or hot-pressing a cellulosic fiber-containing mat to consolidate said mat into a unitary blank, cutting the blank to a...
4271113 Process for forming a passageway in an osmotic device  
A process is disclosed for forming an outlet passageway in an osmotic dispensing device. The process comprises compressing a drug formulation into a solid mass, forming a recess in the solid mass,...
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...
4257842 Preparing permanently embossed, highly porous wallpapers  
Permanently embossed, highly porous wallpapers are produced by preparing a sheet from a mixture of up to 90% by weight of cellulose fibers and at least 10% by weight of fibrils of at least one...
4256446 Apparatus for manufacturing prefinished wallboard  
Apparatus for fabricating a prefinished wallboard wherein a layer of settable material is applied to one side of a wall panel and a decorative pattern is formed in relief in the settable material...
4248163 Pallet having densified edge and method of making same  
A molded unitarily formed pallet is provided, the pallet including wood particles bonded together by a cured binder in compressed relation. Also provided is a method for making such pallets. The...
4238438 Hardboard with smooth, dense surface and method  
Disclosed is a hardboard with a smooth, highly-consolidated, dense surface and a method for making it. The method of this invention greatly reduces the need for surface sanding after molding...
4237087 Method of embossing wood composition board  
A method of embossing wood composition board is disclosed. This method employs a water-borne base-coat composition which facilitates fine line embossing of the filled surface of wood composition...
4228123 Method of making biaxially oriented nonwoven fabrics  
A nonwoven fabric having alternating stripes of high fiber density and low fiber density is made in such a manner that the high fiber density stripes run across the fabric and maximize the cross...
4228116 Process for producing remoldable panels  
Remoldable panels are produced by continuously plastifying and extruding an at least partially aggregated particulate mixture comprising about 40 to about 60% by weight of thermoplastic resin,...
4225374 Decorative flooring  
A method for making a dimensionally stable decorative floor covering product. A sheet is first formed, and this is then provided with a decorative design. A clear wear layer is applied thereon,...
4218414 Method for shredding and dry-defibrating compressed cellulose pulp and forming a batt of the resulting cellulosic fibrous material  
A method is provided for shredding and dry-defibrating compressed cellulose pulp, and depositing the resulting fibrous material on a foraminous support to form a batt of relatively uniform density...
4216179 Process and an apparatus for the continuous manufacture of boards from material incorporating a heat hardenable binder  
Particleboard made from particles in the form of chips or fibers or the like is made by distributing a mass of chip material onto an endless belt conveyer system. The mass of material is...
4205123 Battery separator with porous body and fused rib  
Battery separators with degradation resistant rib areas are produced from nonwoven mats of thermoplastic fibers by substantially fusing the fibers in raised regions of the mat. The fusion is...
4204899 Cork-resin ablative insulation for complex surfaces and method for applying the same  
Cork-resin ablative insulation material is prepared in a form suitable for application to complex curved surfaces by mixing finely divided cork with a B-stage curable thermosetting resin, forming...
4201802 Process for manufacturing prefinished hardboard  
A process for manufacturing prefinished hardboard includes the use of a pre-press sealer comprising an aqueous mixture of a polyvinyl alcohol polymer in conjunction with emulsified fatty acid...
Matches 251 - 300 out of 463 < 1 2 3 4 5 6 7 8 9 10 >