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| Number | Title | Issue Date |
| 7331089 | Method and apparatus for dry forming of a fabric A method and apparatus is described for use in dry forming a fabric by at least two non-woven fabrics. The upper run of the transfer wire is used as a forming wire. A forming head is disposed above the transfer wire. An airlaid non-woven fabric is formed on the tran... | 02/19/2008 |
| 7207793 | Method and apparatus for introducing an additive to a composite panel A method of forming a composite panel includes the steps of supplying a material to a forming station, supplying a dry additive to the material at the forming station, producing a mat comprising the material and the additive, and applying heat and pressure to the ma... | 04/24/2007 |
| 6883209 | Plant for removing fines from fiber fluff A plant for removing fines from fiber fluff. The plant includes a forming wire, a forming head which is placed above the forming wire and arranged for air-laying fiber fluff into a layer upon the forming wire, at least one channel for carrying, in a flow of air, fib... | 04/26/2005 |
| 6475315 | Method for making nonwoven fibrous product Process for making nonwoven fibrous webs having substantial strength in the direction normal to their planes. The webs exhibit good acoustical insulation properties.... | 11/05/2002 |
| 5873150 | Method and apparatus for distributing long fibers A method and apparatus for distributing reinforcement fibers includes a chute for supplying reinforcement fibers, the chute having an outlet end, and a metering belt mounted for endless travel along a first path at the outlet end of the chute. The meterin... | 02/23/1999 |
| 5737806 | Apparatus for treating fiber and producing a fiber lap therefrom An apparatus for treating fiber and producing a fiber lap therefrom, includes a fiber feeder; a carding machine including a multi-roll licker-in assembly receiving the fiber material from the feeder, a main carding cylinder receiving fiber material from t... | 04/14/1998 |
| 5476711 | Fiber blending system A fiber blending system includes an apparatus and method of forming a mat of cellulosic fibers and synthetic fibers, as well as a mat thereby formed. The method includes the steps of fiberizing cellulosic material into cellulosic fibers in a fiberizer, vo... | 12/19/1995 |
| 5430911 | Method for producing a random laid fiber web A feeder 1 for supplying a fiber material, a plurality of fiber opening cylinders 21, 22, 23, . . . 2n (n is a natural number) mounted adjacent to one another for transferring and opening the fiber material fed from the fe... | 07/11/1995 |
| 5414902 | Defibrator with ribs, beater plate, grate and beater bars A defibrator which makes it possible to distribute defibrated cellulosic fibers directly onto a forming wire (5) includes ribs (33) extending inside a cylindrical housing (24). The ribs have outer curved surfaces which direct fibers into an area (35) in w... | 05/16/1995 |
| 5316601 | Fiber blending system A fiber blending system includes an apparatus and method of forming a mat of cellulosic fibers and synthetic fibers, as well as a mat thereby formed. The method includes the steps of fiberizing cellulosic material into cellulosic fibers in a fiberizer, vo... | 05/31/1994 |
| 5108678 | Process of making a fiber-reinforced plastic sheet having a gradient of fiber bundle size within the sheet This invention relates to a fiber reinforced plastic sheet having a gradient layer structure wherein the number of reinforcing fibers continuously varies and a process for producing the same by spreading a mixture of the fibers different in the number of ... | 04/28/1992 |
| 5057166 | Method of treating discontinuous fibers Discontinuous fibers are entrained in a gaseous medium and coated while entrained with a substantially continuous coating of a binder material. Plural coatings of various binder materials may be applied to the entrained fibers. Also, one or more solid par... | 10/15/1991 |
| 4956896 | Method and apparatus for forming nonwoven fiber webs The web or mat producing unit including a fiber opening and doffing mechanism mounted on a vertically adjustable platform to direct fibers randomly downwardly through an opening in the platform and onto the horizontal upper run of an endless screen, which... | 09/18/1990 |
| 4852219 | Formation of mineral fibre flakes and use of these flakes to reconstitute insulating mats Fibrous flakes used to reconstitute heat and sound insulants in the form of felts are themselves produced from a compressed fleece by an opening operation. The flakes detached from the fleece are carried away from the opening device in order to be used im... | 08/01/1989 |
| 4706340 | Method and an arrangement for producing a fibre layer When practicing a method and using an arrangement for producing a fibre layer or fibre mat from a liquid-absorbent material, e.g. in the manufacture of diapers, a fibre-air suspension is blown in between two endless, mutually parallel air-permeable convey... | 11/17/1987 |
| 4664160 | Fiber filling system A fiber filling system features a picking device for separating clumped fiber, that feeds to an air and fiber circulation chamber. The circulation chamber aerates and fluffs the separated fiber into a fibrous billow, which is then discharged to a stuffing... | 05/12/1987 |
| 4650409 | Apparatus for uniformly distributing a disintegrated fibrous material on a fiber layer forming surface in plants for the dry forming of paper The formation head comprises a casing of substantially rectangular configuration in plan view provided with a perforated flat bottom-screen or sieve, and with a top wall having a number of openings communicating with the atmosphere. Opening into said casi... | 03/17/1987 |
| 4528050 | Producing filler material, particularly for cigarette filters Filler material, particularly for cigarette filters, is produced by feeding a first stream of substantially continuous filaments of filler material onto a pin roller which is driven at a speed such that the filaments are broken by the pins into irregular ... | 07/09/1985 |
| 4440700 | Process for collecting centrifugally ejected filaments A process for collecting continuous polymer filaments centrifugally ejected from the spinning nozzles of a spinning head rotating at a high velocity is provided wherein the ejected filaments are caught by the surface of an annular form, flowing down liqui... | 04/03/1984 |
| 4383349 | Opening bonded glass fiber bundles Textile length multifilament bundles of coated and bonded glass fibers are fed into the fiber inlet of a momentum exchange aspirator having a high pressure propelling air source inlet providing propelling air at a velocity generally equal to the velocity ... | 05/17/1983 |
| 4355438 | Mat forming apparatus The apparatus includes an air temperature and humidity control chamber, a chopper room, strand choppers in the chopper room, a first controllable pitch fan having an inlet connected to the temperature and humidity control chamber and an outlet connected t... | 10/26/1982 |
| 4268340 | Method of forming an absorbent article An absorbent article comprising, an absorbent pad having a mass of hydrophilic fibers and a matrix of a comminuted hydrophobic material dispersed in the interfiber spaces defined by the fibers throughout at least a portion of the pad.... | 05/19/1981 |
| 4258455 | Method for classifying fibers A process and mechanism for the dry screen forming of fibers to attain a dispersion in air of substantially individual fibers from which a fibrous sheet is formed. Fibrous nits, pills and flocs are removed from the dispersion by rolling the nits, pills an... | 03/31/1981 |
| 4169699 | Apparatus for classifying fibers A process and mechanism for the dry screen forming of fibers to attain a dispersion in air of substantially individual fibers from which a fibrous sheet is formed. Fibrous nits, pills and flocs are removed from the dispersion by rolling the nits, pills an... | 10/02/1979 |
| 4144619 | Dry-laying a web of particulate or fibrous material Apparatus for dry-laying cellulosic fibres on a foraminous travelling band comprises a distribution chamber one wall of which facing the band is provided by a vibratable screen. Within the chamber is a rotating brush roll positioned so that the brushes ca... | 03/20/1979 |
| 4140450 | Apparatus for the production of a product from chopped fibers An improvement in the production of chopped fibers is provided. Long fibers, commonly in the form of roving, are fed through a chopper assembly comprising a cutter wheel having a plurality of outwardly-extending blades and a back-up roll having a soft cyl... | 02/20/1979 |
| 4097209 | Apparatus for forming a mineral wool fiberboard product An apparatus for forming a mineral wool fiberboard product is described which includes means for separating mineral wool fibers and means for intimately mixing said fibers with a thermosetting powdered binder, means for entraining said mixture of fibers a... | 06/27/1978 |
| 4089086 | Air lay-down process for producing uniform lightweight webs from textile fibers Process is disclosed which is suitable for high speed production of uniform, lightweight webs by air-laydown of textile fibers. A toothed disperser roll doffs the fibers into an air stream of high uniform velocity and low turbulence to form a thin fiber l... | 05/16/1978 |
| 3943605 | Fluff article and method and apparatus for forming same A fluff pad for an absorbent product such as a diaper, sanitary napkin or the like is formed by superposing two layers of fluff top-to-top. The layers are formed separately but simultaneously on conveyor wires. The non-wire side of a layer is the "top". E... | 03/16/1976 |
| 3940831 | Attrition mill and method of fibrous web formation Apparatus and method for forming a fibrous batt of controlled thickness and uniformity with fibers flowing from the discs of an attrition mill. The fibers are directed from the outlet of the mill in an air stream in a path of decreasing radius of curvatur... | 03/02/1976 |
| 3940216 | Apparatus for forming a nonwoven fibrous web This invention relates to an apparatus for forming a nonwoven fibrous web from multiple laps of staple fibers. The apparatus includes lap forming means for forming the laps of staple fibers and for generating air currents. A lap-confining channel is defin... | 02/24/1976 |
| 3939532 | Manufacture of fibrous web structures Fibrous web structures in which the individual fibers are uniformly felted in random orientation are produced by projecting a stream of solids suspended in air toward a moving porous collection surface. The fibers are maintained in a controlled condition ... | 02/24/1976 |
| 3932081 | Extruder nozzle for shaping a pulp to form smokable strands or fibers An extruder nozzle for an apparatus for producing tobacco fiber from a paste, pulp, mash or slurry of comminuted botanics, which may or may not contain tobacco, binders, plasticizers and organic and inorganic salts, comprises a nozzle surface formed with ... | 01/13/1976 |
