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| Number | Title | Issue Date |
| 7416690 | Method for making product from fiber glass waste The invention provides a method to transform large quantities of fiber glass waste into useful ceramic products by a low-cost manufacturing process. The method consists of reducing the fiber glass waste into a glass powder; mixing the glass powder with additives int... | 08/26/2008 |
| 7346967 | Process for producing a floor covering A process is provided for producing a multi-layered flat fibrous structure, especially a floor covering, having a surface or wear layer, a base or carrier layer and optionally further layers. The base or carrier layer is first produced from a multi-layered non-woven... | 03/25/2008 |
| 7347947 | Methods for filtrating and producing polymer solution, and for preparing solvent A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber. Hydroxyl groups on the filter medium are substituted to other functional groups. An acidic material is added to the cellulose acetate solution, and the filtration is preformed.... | 03/25/2008 |
| 7255816 | Method of recycling bonded fibrous materials and synthetic fibers and fiber-like materials produced thereof A method of recycling bonded fibrous materials, the method includes the steps of: providing pieces of bonded fibrous materials, the pieces having sizes that are adapted for suspension in a liquid; suspending the discrete pieces of bonded fibrous materials in a liqui... | 08/14/2007 |
| 7197793 | Former head with adjustable needle rollers A former head allows processing of long fibers while achieving a carding action and a fibre distribution fulfilling high quality standards. The former head contains at least one needle roller. A mixture of air and fibers are injected above the horizontal plane of a ... | 04/03/2007 |
| 7134859 | Nits separator A plant which serves to produce a nonwoven web of fibers out of a fibrous material, such a cellulose pulp. The plant comprises a hammer mill for defibrating the fibrous material and a forming head for forming a web of fibers on an endless forming wire, which, during... | 11/14/2006 |
| 6997692 | Composite veneer The method and apparatus for forming composite wood products particularly composite veneer like products which may be intermediate products and laminated to form the final composite product. Strands are fed from a source of supply at a metered rate, entrained in an ... | 02/14/2006 |
| 6913718 | Method of making shaped components for disposable absorbent articles A method for formation of shaped components such as shaped absorbent cores, for disposable absorbent articles, contemplates that a relatively wide web of material be provided from which the components are cut. The web of material is longitudinally slit to form a plu... | 07/05/2005 |
| 6841101 | Production of high added value products from resin-bonded waste composite wood products A method of producing dry processed fiberboards from resin-bonded waste composite wood products, wherein said wood products are chemically treated in a pre-heater unit of a refiner system under super-atmospheric pressure in the presence of steam to disrupt adhesive ... | 01/11/2005 |
| 6830715 | Method and device for producing elastane threads from recycling material Method and device for producing elastane threads from spinning solutions using recycled elastane material. ... | 12/14/2004 |
| 6802353 | Apparatus for recycling waste from an absorbent article processing line A production line for manufacturing disposable absorbent articles from bulk starting polymeric materials including virgin and on-line recycled polymeric materials. The production line includes a continuous process that links the steps of forming the webs with the st... | 10/12/2004 |
| 6517753 | Method and device for forming a mat of particle board A method and a device for continuous forming of a mat of particle lignocellulosic material by means of a batching unit (12) with a distribution chamber (15) in connection with the manufacture of board. The material is deposited on a continuous forming web... | 02/11/2003 |
| 6503424 | Multicolored patterned floor covering and method for manufacture A multicolored, patterned floor covering is disclosed along with a method for its manufacture. The floor covering is made of a sheeting which has a first color, and a granular material dyed differently from the sheeting which is embedded in the sheeting a... | 01/07/2003 |
| 6379489 | Carpet reclamation process A process for the reclamation of base materials from carpet is disclosed. The process includes contacting the carpet with a composition which contains a chemical softening agent for the binder material in the carpet and separating the carpet pile from the... | 04/30/2002 |
| 6056901 | Method for manufacture of regenerated synthetic resin product A method which is capable of manufacturing regenerated synthetic resin products, particularly slide fastener parts of regenerated synthetic resin, with good quality by using as a raw material such waste synthetic resin materials as emanate from the produc... | 05/02/2000 |
| 5916410 | Carpet reclamation process A process for the reclamation of base materials from carpet is disclosed. The process includes contacting the carpet with a composition which contains a chemical softening agent for the binder material in the carpet and separating the carpet pile from the... | 06/29/1999 |
| 5660770 | Recycling a fiber-reinforced thermoplastic A process which includes comminuting a first thermoplastic material, e.g. polypropylene, reinforced with short glass fiber (10-400 μm). 100 parts by weight of the comminuted material are mixed with 11-43 parts by weight of chips of a second thermoplastic... | 08/26/1997 |
| 5591289 | Method of making a fibrous headliner by compression molding A fibrous headliner for a motor vehicle passenger compartment is formed with a nonwoven high loft batting of thermoplastic fibers having a low percentage of binder fibers that are activated with heat to establish and hold the desired appearance side conto... | 01/07/1997 |
| 5578648 | Lamination adhesive containing thermoplastic resins and unmelted thermoplastic fibers A carpet having pile threads forming a pile layer, a support layer which consists of fiber or ribbon material of polyolefins or polyester, and a back coating, the pile threads being attached to the support layer possibly by the back coating, and of a plas... | 11/26/1996 |
| 5466411 | Production of fibers containing mainly polypropylene A process for producing fibers containing polypropylene as the main component by the method of melt spinning which includes melting a new binder-consolidated nonwoven and spinning the melt into new fibers.... | 11/14/1995 |
| 5342899 | Process for recycling aqueous fluid absorbents fines to a polymerizer A process is described for recycling dry aqueous fluid absorbent polymer fines into a process that includes a polymerization step for making the aqueous fluid absorbent polymer. The process requires recovering the dry polymer fines, mixing the fines with ... | 08/30/1994 |
| 5240530 | Carpet and techniques for making and recycling same The disclosure relates to a carpet, a process for manufacturing a carpet and a method for recycling a carpet. The carpet of the present disclosure includes a primary backing having tufts of synthetic carpet fibers protruding from a top surface and, option... | 08/31/1993 |
| 5023027 | Process for producing fibrous mats as a starting material for compression moulded articles In a process for producing fibrous mats as a starting material for compression moulded articles, fiberized waste materials are mixed with thermoplastic and/or thermoset or thermosetting binders, the mixture is spread onto an air-permeable conveyor belt to... | 06/11/1991 |
| 4950444 | Process for the formation of fiber felt containing an additional product The production of mineral fiber felt into which an additional product is introduced. The felt is made partly of freshly formed fibers and partly of recycled fibers which are conveyed into a receiving chamber in which the felt is formed. The additional pro... | 08/21/1990 |
| 4921650 | Method and apparatus for liquid treatment of pulp Fibre material is defibrated and dispersed in an air flow and introduced through an inlet (2) into a forming head (1). In the forming head (1) the inlet transforms to a single-curved convex surface (5), which leads all the way to an accept outlet (6). A s... | 05/01/1990 |
| 4904423 | Pressure molding process using salt cores and composition for making cores A process for pressure molding an article around a hardened salt mold core made from a mixture of relatively low melting temperature salt and sand wherein the core is removed from the finished article by immersion of the article containing the core into a... | 02/27/1990 |
| 4840755 | Method of and apparatus for producing compacted chopped strands A method of and an apparatus for producing compacted chopped strands having a high density, wherein flattened wetted chopped strands are prepared and subjected in the wetted state to a rolling action to change the flattened form into rounded rod-like form... | 06/20/1989 |
| 4710298 | Auxiliary for dewatering of sludge Dewatering of sludge is accomplished by adding an organic fibrous material having the bulk specific gravity increased by being pressed or being wetted with water and a high molecular weight flocculant to the sludge, adjusting the resulting flocs to a diam... | 12/01/1987 |
| 4534724 | Apparatus for producing profiled strands A sealing profiled strand of elastomeric materials provided with sealing lips along portions of the strand. The strands emerge from the nozzle or orifice of the extruder, at which point they still have a complete cross section. While still in the plastic ... | 08/13/1985 |
| 4495119 | Method for producing homogeneous batts of air-laid fibers A method for making an air-laid batt of fibers which utilizes a plurality of scarfing rolls to remove material from the surface of the batt, wherein the batt is reformed between at least two of the scarfing rolls in order to produce a more homogeneous web... | 01/22/1985 |
| 4400148 | Recovery of fines in air laid papermaking Improved air laid papermaking is disclosed in which the fine particles which pass through the forming wire are, after collection by a baghouse separator, delivered back to the papermaking machine for incorporation in the web being formed by the machine. A... | 08/23/1983 |
| 4396561 | Process for manufacturing mineral-wool mats In the manufacture of mineral-wool mats or slabs, the raw materials are melted in a melting furnace and are spun to fibers in a spinner. The fibers, after admixture of a resin binder, are deposited so as to be formed to wool mats in a collecting chamber, ... | 08/02/1983 |
| 4287142 | Process for the production of mineral wool products A process for the production of mineral wool products comprising admixing fine starting materials, a hydraulic binder, and an inorganic material containing at least 75% SiO2 and having an average particle size of less than 100 μm to form a mou... | 09/01/1981 |
| 4244903 | Manufacture of flowable composite particulate material The moldings are manufactured from synthetic thermoplastics, from non-thermoplastic fibrous flakes, which are available in an uncoated or incompletely coated state, and from optionally admixed fillers. The fibrous flakes and the thermoplastic material are... | 01/13/1981 |
| 4139309 | Apparatus and method An apparatus and method for feeding scrap thermoplastic material to a screw compactor for further processing the scrap material. Means are located in the material flow stream above the compactor for mixing the scrap material and discharging it from a stor... | 02/13/1979 |
| 4128404 | Method for separating light-weight compressible material A method and apparatus for removing a resiliently compressible material from an air stream is the subject of the present invention. By utilizing a screw conveyor within a cyclone separator, the material is first separated and then removed. As a result of ... | 12/05/1978 |
| 4118187 | Fabric dye stripping, separation and recovery of polyester Polyester polymer is recovered from mixed collections of fibers in the form of fibers, filaments, yarns, or fabrics (including dyed or undyed fibers other than polyester fibers as well as dyed polyester fibers) and used in the production of new undyed fib... | 10/03/1978 |
| 4064079 | Polyester polymer recovery Polyester fibers are dissolved and solid linear polyester polymer recovered for use in the production of new linear polyester products, particularly polyester fibers or filaments, by the process of dissolving the fibers in a non-depolymerizing dissolution... | 12/20/1977 |
| 4000230 | Process for producing sheeting having fibrous surface A process is provided for manufacturing a product which has a fibrous surface and is formed by the conversion of a non-fibrous polymer, which process comprises placing a polymer between drawing surfaces which adjoin the polymer and adhere thereto and sepa... | 12/28/1976 |
| 3988406 | Method of providing a fibrous thermoplastic resin for depolymerization thereof A method of providing a fibrous thermoplastic resin for depolymerization thereof wherein the fibrous thermoplastic resin is formed into a shaped article having a specific gravity of at least 1/2 of the true specific gravity of the fibrous thermoplastic re... | 10/26/1976 |
