Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5346567 | Foam coating of press fabrics to achieve a controlled void volume This invention is directed to coating press fabrics to achieve a controlled void volume. More particularly, this invention is directed to a method of modifying a press fabric for a papermaking machine which comprises the steps of: (a) applying a thin laye... | 09/13/1994 |
| 5229184 | Heat shrinkable fibres and products therefrom This invention relates to a composition of matter having a fibre structure incorporating a major proportion of heat shrinkable fibres, the structure includes within it discreet fibre groupings which serve to provide structural elements within the composit... | 07/20/1993 |
| 5118557 | Foam coating of press fabrics to achieve a controlled void volume This invention is directed to coating press fabrics to achieve a controlled void volume. More particularly, this invention is directed to a method of modifying a press fabric for a papermaking machine which comprises the steps of: (a) applying a thin laye... | 06/02/1992 |
| 5110415 | Composite doctor blade assembly for pulp or papermaking machine doctors A doctor blade is made from an elongated strip of reinforced composite material which material forms fibrillated protrusions when cut. A plurality of cuts are made in the material which form recesses or tabs. The recesses are offset to increase the effect... | 05/05/1992 |
| 4995429 | Paper machine fabric A multilayer papermaking machine fabric is disclosed, characterized in part by alignment vertically of yarns in each layer.... | 02/26/1991 |
| 4943476 | Water removal on papermachine through riblet effect This invention involves an application of the so-called "riblet" effect to the fabrics used on machines in the papermaking industry. The "riblet" effect itself is a reduction in the measured frictional drag on a surface that is moving relative to a fluid ... | 07/24/1990 |
| 4941239 | Method to reduce forming fabric edge curl This disclosure describes a method by which an edge curl that often develops in papermachine forming fabrics can be reduced or eliminated. The method requires the removal of mass from the sheet forming side of the forming fabric. This has the effect of re... | 07/17/1990 |
| 4940515 | Imbedded mesh in suction box cover An improved suction box for paper making machine includes a cover for contacting a press fabric with an elongated slot. The slot is covered with a mesh to eliminate noise and reduce wear on the fabric.... | 07/10/1990 |
| 4937102 | Fabrics having hydrophilic and hydrophobic coatings This invention is directed to press fabrics having improved water removal capability. More particularly, this invention is directed to the improvement of the water removal capability of press fabrics by applying hydrophobic and/or hydrophilic layers of fo... | 06/26/1990 |
| 4931010 | Fabrics having hydrophilic and hydrophobic foams This invention is directed to press fabrics having improved water removal capability. More particularly, this invention is directed to the improvement of the water removal capability of press fabrics by applying hydrophobic and/or hydrophilic layers of fo... | 06/05/1990 |
| 4929497 | Flame retardant rolling door This invention consists of a flame-retardant, coated fabric material for use in the manufacture of rolling-door panels, blades, or leaves. It is particularly designed for use in the kind of high-speed, light-weight doors currently found in the garages and... | 05/29/1990 |
| 4919336 | Shower pipes A shower pipe (9) for use in the papermaking industry has a series of nozzles (13) through which jets of water are directed at a surface to be treated (for example, a filter screen or a pepermaker's felt). To prevent the nozzles becoming blocked by partic... | 04/24/1990 |
| 4909284 | Double layered papermaker's fabric A papermaker's forming fabric has a repeating pattern of weft and weft support yarns on the paper-forming side, which are secured in position by multi-pattern interlacing with the warp yarns. The fabric has advantages, when used in a forming wire belt, of... | 03/20/1990 |
| 4891098 | Dynamic filtration simulator This invention is directed to a filtration simulator. More specifically, this invention is directed to a Dynamic Filtration Simulator (DFS) and method of determining the interaction and effect on liquid flow of additives to paper stock in a papermaking ma... | 01/02/1990 |
| 4882217 | Needled press felt A needled press felt, i.e. a felt which is intended to be used in the press section of a papermaking machine. The batt part of the felt comprises at least two kinds of fiber one of which consists of fibers having a diameter size 0.010 mm or less. These fi... | 11/21/1989 |
| 4857747 | Method and apparatus for analyzing the formation of a web of material via generating a formation index A method and apparatus for generating in real time full width formation profiles of a web of material which passes between a light source and a camera which generates signals corresponding to the light intensity across the entire width of the web as compa... | 08/15/1989 |
| 4829681 | Paper machine clothing Paper machine clothing comprising interwoven machine direction and cross-machine direction yarns are provided, wherein the machine direction yarns are monofilaments having specific resistance to hydrolysis. The woven fabrics, after heat-setting, exhibit e... | 05/16/1989 |
| 4824209 | Light source assembly A light assembly for generating a narrow light beam of relatively uniform intensity for use in association with a light sensor for sensing variations in light intensity; the assembly includes a plurality of standard size aperture light bulbs positioned in... | 04/25/1989 |
| 4812185 | Method of making a paper machine press belt A method for making a belt for use in papermaking includes a series of steps. A sheet of uncured urethane is wrapped on a polished mandrel. A woven fabric sleeve to serve as a supporting carcass is placed over the first sheet and shrunk onto it. A second ... | 03/14/1989 |
| 4799998 | Papermachine clothing Papermachine clothing is described, made up of synthetic, polymeric resin fibers which include porous fibers and filaments.... | 01/24/1989 |
| 4795480 | Papermakers felt with a resin matrix surface A press felt base (single or multiple layer) having a plastic, fiber reinforced resinous matrix surface, wherein the surface is composed of a resin. The press felt base also having textile fibers distributed throughout the resin and having open air channe... | 01/03/1989 |
| 4795131 | Vacuum controller A vacuum controller for controlling the vacuum at a controlled vacuum which includes a balanced piston arrangement coupled to a valve piston reciprocal with respet to a valve seat positioned between the controlled vacuum and a high header or source vacuum... | 01/03/1989 |
| 4787946 | Method of making a paper machine press belt A method of forming a belt for use in papermaking includes applying a first coat of liquid urethane to a smooth mandrel, drying the first coat, grinding the first coat to a predetermined thickness, placing a woven fabric sleeve on the coated mandrel, shri... | 11/29/1988 |
| 4784880 | Method for modifying asymmetric membranes by endo-treating A method of upgrading the selectively of a dry asymmetric permselective membrane comprising a porous barrier layer adjacent to a porous main body, where the barrier layer has an external obverse surface. The method comprises maintaining the barrier layer ... | 11/15/1988 |
| 4766649 | Papermaker's felt utilizing special web-making techniques to avoid vibration A method and an apparatus for avoiding periodic non-uniformities in papermaking felts by varying the width of the web going into a cross lapper.... | 08/30/1988 |
| 4759976 | Forming fabric structure to resist rewet of the paper sheet Forming fabrics are made in multilayer construction, with a hydrophobic top layer and a hydrophilic base layer or layers. The fabric is advantageous in a forming wire, obviating rewet in a forming paper sheet.... | 07/26/1988 |
| 4753711 | Surge control system and method for dewatering press felts A surge control system for dewatering press felts on a papermaking machine which includes a suction pipe, a variable speed drive motor, a centrifugal exhauster driven by the variable speed drive motor and connected to the suction pipe to provide vacuum to... | 06/28/1988 |
| 4752519 | Papermakers felt with a resin matrix surface A press felt base (single or multiple layer) having a plastic, fiber reinforced resinous matrix surface, wherein the surface is composed of a resin. The press felt base also having textile fibers distributed throughout the resin and having open air channe... | 06/21/1988 |
| 4709831 | Threaded end enclosure A separatory module for use in separation of fluids by various methods i.e. ultra filtration, hyper filtration, reverse osmosis, or dialysis, includes a pressure shell encasing the hollow separatory fibers. The pressure shell contains threaded connections... | 12/01/1987 |
| 4701242 | Mechanism for moving a shower nozzle in a paper making machine A motorized shower head mechanism is disclosed in which a housing is provided with a track and a trolley, and a motor mounted on the trolley. The trolley is moved along the track by the motor and a shower head which extends through the housing is carried ... | 10/20/1987 |
| 4676278 | Forming fabric A forming fabric is disclosed having crimped machine direction monofilament yarns alternating with uncrimped monofilament yarns. The fabric provides optimum stability and seam strength.... | 06/30/1987 |
| 4676808 | Module for multistage gas separation A module for gas separation is disclosed having at least one inlet port, and several permeate outlet ports. The module is provided with a bundle of fibers having permeable wall, said bundle being partitioned into several sections, each connected to a resp... | 06/30/1987 |
| 4674684 | Support and drive members suitable, for example, for use in shower units of papermaking machines A support and driving member comprises an open framework comprising a helical strip (38) supported by a series of support members (39) extending longitudinally of the helical strip and internally thereof. The member may be incorporated in a shower unit th... | 06/23/1987 |
| 4662407 | Method and apparatus of controlling warp tension on a weaving loom An apparatus for maintaining the warp threads in a multi-beam loom at a constant tension includes tension sensors for each beam, and a microprocessor-based control circuit which provides individual speed control signals to the motors during each beam. The... | 05/05/1987 |
| 4657806 | Wet press papermakers felt The disclosure is of a method of preparing a papermakers wet-press felt fabric, felts made therefrom and their use, as wet-press felts on papermaking machines. By the method of the invention, there is obtained a method of making a papermakers press felt o... | 04/14/1987 |
| 4649619 | Method of forming a locked seam A seam for joining the ends of a fabric to form an endless belt which can be used for papermaking, is created by attaching a continuous coil to each fabric end, the loops of the coils being preformed so that when the loops are intermeshed each loop of one... | 03/17/1987 |
| 4633596 | Paper machine clothing Paper machine clothing comprising interwoven machine direction and cross-machine direction yarns are provided, wherein the machine direction yarns are monofilaments having a cross-sectional configuration such that the center is thinner than the lateral ed... | 01/06/1987 |
| 4632756 | Multiple bundle separatory module A separatory module is disclosed with a cylindrical shell and two ends. Within the shell there are several fiber bundles extending in parallel to a longitudinal axis of the shell for separating permeates from a fluid. Each bundle is supported by one of th... | 12/30/1986 |
| 4631128 | Permselective hollow fiber bundle A bundle of helical segments of permselective hollow fibers for use in a separatory module, all segments being limited in length to not over 1.1 times a selected value and all helical paths being arranged to avoid the creation of undesirable ridges and me... | 12/23/1986 |
| 4602892 | Sucker rod The present invention envisions a concentric structural combination of elements, consisting of an elongate core component, which is terminated at each end on the internal surface of a chambered coupling, and a elongate sheath component which consists of a... | 07/29/1986 |
