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| Number | Title | Issue Date |
| 7124483 | Process for producing stabilized tampons The invention relates to a process for providing stabilized compressed tampon pledgets. The process includes the steps of providing a compressed tampon pledget and forcing gas through the compressed absorbent pledget. In some embodiments, the process may occur in th... | 10/24/2006 |
| 5789326 | Particle binders A binder is applied to fibers to bind particles to the fibers. The fibers have hydrogen bonding functional groups. The particles have functional groups capable of forming a hydrogen bond or a coordinate covalent bond. The binder comprises binder molecules... | 08/04/1998 |
| 5589256 | Particle binders that enhance fiber densification A method of producing easily densified high bulk fibers that have adhered particulates. The high bulk fibers have hydrogen bonding or coordinate covalent bonding functionalities, and a binder is applied to the fibers to bind the particles to the fibers. T... | 12/31/1996 |
| 5471712 | Adjustable screen for a distribution for making a sheet-formed fibrous product An apparatus for making a sheet formed fiber product includes at least one fiber distributor (1) having a substantially planar bottom (7) in the form of a wire net, with openings approximately formed as parallelograms; an endless forming wire (2) having a... | 12/05/1995 |
| 5378296 | Apparatus and process for the production of seat pad parts from loose padding raw material The invention relates to an apparatus for the production of formed parts for use as pads in seats, for instance. The object is to provide a new apparatus with a different operating principle by means of which formed parts in which the density of the paddi... | 01/03/1995 |
| 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 |
| 5161283 | Method and apparatus for forming an absorption body by using variable subpressure as fibers are drawn To produce an absorption body, a mold having an air-permeable bottom is filled progressively with airborne fibers of absorbent material and subpressure is applied through the air-permeable mold bottom. This subpressure is varied progressively and directly... | 11/10/1992 |
| 4995141 | Method and apparatus for facilitating product changeover in the manufacture of fluff pads for disposable diapers A method and apparatus for facilitating product changeover in the manufacture of fluff pads for disposable diapers which employs a side shifting drum equipped with removable pad forms.... | 02/26/1991 |
| 4888231 | Absorbent core having a dusting layer Airlaid fibrous webs having a primary layer having discrete particles of absorbent gelling material dispersed through at least a portion of the web airlaid over a dusting layer of essentially hydrophilic fiber material. The dusting layer acts to block the... | 12/19/1989 |
| 4720321 | Method and apparatus for manufacturing packaging pads Packaging pads comprise top and bottom sheets laminated together along peripheral surface portions with a pocket of comminuted filler material centrally disposed between the sheets. Apparatus for manufacturing the pads continuously feeds an endless bottom... | 01/19/1988 |
| 4674966 | Apparatus for forming fibrous pads An apparatus for defiberizing a web of compressed material into fluff and then forming the fluff into pads, and a method of use of the apparatus. The apparatus includes a hammermill or other machine for performing the actual defiberizing. The fluff is the... | 06/23/1987 |
| 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 |
| 4598441 | Apparatus for the manufacture of absorption pads for absorbing body fluid There is provided an apparatus for the manufacture of absorption pads for sorbing body fluid which is composed of two substantially identical so-called flake applicators each including a vacuum cylinder having shaped recesses which are so-called flake whe... | 07/08/1986 |
| 4592708 | Apparatus for making airlaid articles An apparatus for making airlaid articles such as discrete absorbent cores for catamenial napkins and disposable diapers and the like. Apparatus embodying the invention preferably comprises a laydown drum having a plurality of formation cavities having for... | 06/03/1986 |
| 4101254 | Preform machine A method and apparatus for forming a fiber preform for use in molding fiber-reinforced, plastic articles is disclosed. The apparatus includes a perforated form which is rotated about its longitudinal axis while a vacuum is applied internally. Cutters depo... | 07/18/1978 |
| 4016628 | Method and apparatus for forming absorbent articles An absorbent article includes an air-laid fibrous web having a medial portion of a greater basis weight than flanking end and side portions. The fibers forming one surface of the web are adhesively bonded together to provide an abrasion resistant, nonpill... | 04/12/1977 |
| 4005957 | Apparatus for forming fibrous pads Apparatus and method for the dry forming of fibrous pads employ a pad forming member closing the lower end of a pad forming area. The pad forming member preferably is in the form of a condenser roll having three-dimensional pockets, or cavities about the ... | 02/01/1977 |
| 3973291 | Method for forming fibrous pads A method for forming discrete fibrous pads including the steps of entraining fibers in air to form an air-suspension of fibers and directing the suspension selectively to different predetermined regions of a pad-formation assembly to form discrete fibrous... | 08/10/1976 |
| 3939240 | Method for forming fibrous pads Method for the dry forming of fibrous pads employ a pad forming member closing the lower end of a pad forming area. The pad forming member preferably is in the form of a condenser roll having three-dimensional pockets, or cavities about the periphery ther... | 02/17/1976 |
