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| Number | Title | Issue Date |
| 7404921 | Method and system for the manufacture of annular fibrous preforms Free fibers (10) are deposited on a rotary support turntable (30) by means of a hollow deposition cone (40) having an outer wall surrounding a chamber and pierced by multiple perforations. The fibers are delivered to the outer surface of the per... | 07/29/2008 |
| 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 |
| 7107652 | High speed former head A former head for dry forming fibrous tissue in which a fiber material is mixed with air introduced to at least one rotating drum in a former head by injection. The drum is provided internally with means for fluidizing the injected fibers simultaneously, enabling hi... | 09/19/2006 |
| 7003853 | Intermediate card for manufacturing nonwovens of fibrous material as well as method for manufacturing nonwovens of fibrous material In an intermediate card for manufacturing nonwovens of fibrous material, with a drawing-in means (2), with at least one main cylinder (4), and with several fiber take-off means (6a, 6b, 6c) for taking over at l... | 02/28/2006 |
| 6908294 | Apparatus for forming a layered fibrous mat of varied porosity An arrangement for producing a fibrous mat from a heated die source wherein the produced mat includes a first layered, preselected fiber portion of substantially straight fibers produced by directing such fibers directly to a collector source and a second layered pr... | 06/21/2005 |
| 6732412 | Method and installation for the production of a condensed nonwoven and condenser device So as to produce a condensed nonwoven, at least one first nonwoven is produced with the aid of a carding machine (1), said first nonwoven issued from the carding machine is directed to a rotating transfer element (20) by means of one first transport su... | 05/11/2004 |
| 6497009 | Apparatus for providing a flock-air mixture substantially free from flock lumps and a method of dispersing flock lumps In an apparatus and a process for preparing a flock-air mixture which is fed by a pulping device through a feed conduit to a flock-laying device for forming an absorbent pad, the feed conduit includes a dispersing device for loosening up lumps of flock wi... | 12/24/2002 |
| 6314618 | Moisture conditioner for lint cotton An apparatus for processing a fibrous material batt like lint cotton to increase the moisture content of the material and to compress the batt of humidified fibers to increase the batt density. A stream of warm humid air is passed through the moving batt ... | 11/13/2001 |
| 6279201 | Device for distributing particles Apparatus is disclosed for separating particles disposed in a carrier gas being delivered from a distributor to a moving web including a roller, a supply conduit for supplying the particles dispersed in the carrier gas substantially tangentially to the ro... | 08/28/2001 |
| 6141833 | Plant for producing a non-woven fiber product The invention relates to a plant for producing a non-woven, web-formed fiber product. The plant comprises a first forming wire with an inlet and outlet end and an upper part which, at the inlet end takes up a carded or air-laid layer of fiber and transpor... | 11/07/2000 |
| 5983457 | Inlet and outlet plenum apparatus for uniform delivery of fiber to a pad former The present invention provides an inlet and outlet plenum apparatus for improving the forming of fibrous pads for absorbent products and providing improved density control. Fibers entrained in a high speed air flow coming from a fiberizer or other fiber s... | 11/16/1999 |
| 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 |
| 5539958 | Aerodynamic forming hood and method of operation An aerodynamic forming hood is provided for supplying a substantially uniform distribution of fibers in a downward laminar airstream for the deposition of the fibers on one or more forming surfaces. The hood is formed by a rectangular housing having oppos... | 07/30/1996 |
| 5455991 | Method and apparatus for collecting fibers, and product Disclosed are an improved apparatus for collecting fine fibers, such as glass fibers, having a mean diameter of less than two microns from a gaseous stream, a method of collecting fine fibers using the apparatus and the novel new product produced by this ... | 10/10/1995 |
| 5452496 | Vacuum assisted accumulator and process of collecting microfiber A method and apparatus for accumulating and densifying microfibers such as glass fibers having mean fiber diameters below 1-2 microns is disclosed. A fine fiber blanket having been collected on a collection surface is removed and wound up on a mandrel hav... | 09/26/1995 |
| 5245728 | Clump dissolving baffle in conduit between flake supplying and pad forming devices Absorbent flakes or particles are transported from a source to a pad form device by an air flow passing the flakes or particles through a conduit between the source and the pad forming device. In order to supply a homogenous flake flow to the pad forming... | 09/21/1993 |
| 5226991 | Method of fabricating airlaid articles and apparatus for performing the method A method and an apparatus is used for forming airlaid articles such as diapers, sanitary napkins and the like. The apparatus includes an anvil drum with die cavities formed therein. The die cavities have foraminous bottom walls for drawing a stream of air... | 07/13/1993 |
| 5191680 | Filament threading in an air gun for producing nonwoven fabrics An air gun for producing nonwoven fabrics has an inlet, a carrier path and a compressed air blow port. The air gun receives filaments spun from high speed spinning nozzles and delivers them onto a screen belt to form a web. The inlet of the air gun receiv... | 03/09/1993 |
| 5111552 | Method and device for manufacturing a mineral wool web The invention relates to a method and a device for producing a mineral wool web from a thin primary web formed on a movable collecting surface (6). According to prior known methods, the primary web is folded on a receiving conveyor (18) in an overlapping ... | 05/12/1992 |
| 5097574 | Method and apparatus for forming fluff pads for diapers and the like A method and apparatus for forming fluff pads and the like wherein fluff providing material webs are introduced into separate hammermills and then delivered through a plurality of ducts through a moving screen under vacuum and wherein the ducts are charac... | 03/24/1992 |
| 5044052 | Method and apparatus for forming fluff pads for diapers and the like A method and apparatus for forming fluff pads and the like wherein fluff particles are drawn from a hammermill through a plurality of ducts through a moving screen under vacuum and wherein the ducts are characterized by reverse bends to densify the partic... | 09/03/1991 |
| 4936934 | Process and apparatus for collecting nonwoven web A meltblowing collector screen includes a vacuum pump and internal partitions for achieving substantially uniform air flow through the length of the screen thereby producing a web of uniform thickness.... | 06/26/1990 |
| 4666647 | Apparatus and process for forming a laid fibrous web Apparatus and process for forming a laid fibrous article includes a foraminous forming surface for depositing thereon of fibers under the influence of a pressure differential imposed on the surface, wherein the improvement comprises the provision of a con... | 05/19/1987 |
| 4290170 | Device for aligning the attenuating fiber mats Device for aligning and attenuating soft or brittle fiber mats employing a rotating vacuum roller for gently grasping the fiber mats under sufficient compressive force to hold the same without breaking or otherwise damaging the fiber mats.... | 09/22/1981 |
| 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 |
| 4217387 | Process for the manufacture of a non-woven web from synthetic filaments Manufacture of a non-woven web of man-made filaments in which one or more strands of filaments, directed parallel to each other, leaving one or more spinnerets are forwarded, each, by means of an air jet to a spreading plate for the filaments, and the res... | 08/12/1980 |
| 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 |
| 4153977 | Method of forming a continuous fiber layer of constant weight per unit length and apparatus for implementing the method A method of, and apparatus for, forming a fiber layer of substantially constant weight per unit length, there being provided supply means for supplying a fiber and air mixture onto a moving, fiber-separating, perforated surface. A suction opening is arran... | 05/15/1979 |
| 4118832 | Method for minimizing the accumulation of static charges on fibers resulting from fiberization of pulp lap sheets A method for minimizing the accumulation of static charges on fibers resulting from the dry-fiberization of pulp lap sheets includes the steps of: (1) directing a plurality of the pulp lap sheets into a stacked condition; (2) directing the stack of sheets... | 10/10/1978 |
| 4095312 | Apparatus for making a nonwoven fabric Method and apparatus for making a nonwoven fabric wherein a first group of filaments are projected in a longitudinal direction into the nip of a pair of nipped and moving collecting surfaces in such a manner that the filaments fold into and are captured a... | 06/20/1978 |
| 4075942 | Method and apparatus for feeding a bale press In a bale press feeder, waste material is drawn into a condenser to form a fluffy blanket. The thickness of the blanket is decreased by passing the blanket through rolling devices with successively reduced clearance, and then by drawing the blanket throug... | 02/28/1978 |
