Patents Examined by Jeffrey M Wollschlager
  • Patent number: 11833755
    Abstract: An additive manufacturing apparatus includes: a build table, at least a portion of which is transparent, the build table defining a build surface; a material applicator operable to deposit a radio-energy-curable resin on the build surface; a stage positioned facing the build surface of the build table and configured to hold a one or more cured layers of the resin; one or more actuators operable to change the relative positions of the build table and the stage; a radiant energy apparatus positioned adjacent to the build table opposite to the stage, and operable to generate and project radiant energy on the resin through the build table in a predetermined pattern; a drive mechanism operable to move the build table so as to expose a new portion thereof for each layer; and material remover operable to remove remnants from the build surface. A method for using the apparatus is provided.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: December 5, 2023
    Assignee: General Electric Company
    Inventors: David Richard Barnhart, Mary Kathryn Thompson
  • Patent number: 11837383
    Abstract: A cable includes cable one or more conductors and a covering surrounding the one or more conductors. The covering is formed from a composition including polyethylene and a polyolefin elastomer, where the composition is crosslinked. A method of forming the cable is also provided.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: December 5, 2023
    Assignee: Prysmian S.p.A.
    Inventors: Elliot Byunghwa Lee, Timothy John Clancy, Eric W. Bates
  • Patent number: 11833734
    Abstract: An improved pressure roller arrangement, in particular for a stretching system, and a corresponding method for operating such a pressure roller arrangement are distinguished, inter alia, by the following features: the pressure roller arrangement further comprises a drive device, the drive device comprises or consists of a direct drive (39) or an indirect drive.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: December 5, 2023
    Inventors: Hannes Hacksteiner, Jakob Kreitmair, Marvin Bösl, Konrad Wolfgruber, Anton Edfelder
  • Patent number: 11833735
    Abstract: A pipe bell-end ring flare device for use with a mandrel to form bell ends with a flared outer edge in plastic pipe sections either as part of the pipe manufacturing process or subsequent to the manufacturing process. The flared edge creating a wider bell end opening to make it easier to insert a non-bell end of another pipe into the flared bell end.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: December 5, 2023
    Assignee: CANTEX, INC.
    Inventor: Steve D. Ediger
  • Patent number: 11833727
    Abstract: The present disclosure relates generally to an extruder for producing an extrudate. The present disclosure relates more particularly to an extruder including an extruder body having at least one material inlet and an exit opening. A rotatable outlet is coupled to the exit opening of the extruder body and is configured to rotate as the extrudate is expelled from the extruder body.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: December 5, 2023
    Assignee: CertainTeed LLC
    Inventor: James N. Valentine
  • Patent number: 11826941
    Abstract: An air ring has a main body including a plenum through which pressurized air enters the air ring, the main body including a generally circular interior that is unobstructed vertically above the main body. A generally circular forming-cone assembly is received in the generally circular interior of the main body, and includes at least one annular lip defining a passage through which pressurized air from the plenum exits the air ring for impingement upon the polymer tube. A plurality of fasteners secure the forming-cone assembly in the interior of the main body, the fasteners and forming-cone assembly being unobstructed vertically above the air ring, wherein the fasteners are accessible from vertically above the air ring and the forming-cone assembly is removable from the main body by vertical lifting without removal of other components from the air ring.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: November 28, 2023
    Inventor: Daniel R. Joseph
  • Patent number: 11820045
    Abstract: The present disclosure discloses an injection molding method for fabricating a transparent device, and belongs to the technical field of material processing. The method comprises: preparing a nano-microsphere structural polymer material from a long-chain polymer material; obtaining a glass transition temperature and a viscous flow transition temperature of the nano-microsphere structural polymer material; obtaining a processing temperature of the nano-microsphere structural polymer material according to the glass transition temperature and the viscous flow transition temperature; drying the nano-microsphere structural polymer material; plasticizing the dried nano-microsphere structural polymer material according to the processing temperature; filling the plasticized nano-microsphere structural polymer material; cooling the filled nano-microsphere structural polymer material; and demolding the cooled nano-microsphere structural polymer material to form a transparent device.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: November 21, 2023
    Inventors: Yunming Wang, Huamin Zhou, Yun Zhang, Zhigao Huang, Dequn Li, Dan Chen, Yue Fu
  • Patent number: 11813403
    Abstract: A method of forming a hose includes: extruding a web of plastics material from a first extruder; helically winding the extruded web about a mandrel or at least one rotating rod to form a wall of the hose; feeding an electrical wire into a second extruder; extruding a bead of plastics material around the electrical wire from the second extruder such that the extruded bead includes the electrical wire at a location within a cross-section of the extruded bead; cooling the extruded bead to cool the plastics material adjacent the location to prevent migration of the electrical wire away from the location; re-heating the extruded bead to cause outer surface portions of the plastics material of the extruded bead to become molten; and helically winding the extruded bead onto and about an external surface of the wall to provide the wall a support helix that incorporates the electrical wire.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: November 14, 2023
    Assignee: GLOBALMED, INC.
    Inventor: Martin E. Forrester
  • Patent number: 11802167
    Abstract: A method for producing a cold-water-soluble starch. The method includes: 1) adding a starch and 3-45 wt. % of an ethanol aqueous solution to a container, and stirring a mixture of the starch and the ethanol aqueous solution in the container, thus yielding a starch-ethanol-water; 2) introducing the starch-ethanol-water to an extruder and producing a noodle extrudate, where the extruder comprises 3 continuous temperature control areas: a first area having a temperature of 50° C., a second area having a temperature of between 95 and 120° C., and a third area having a temperature of 60° C.; a rotation speed of the extruder is 70-150 rpm; and the noodle extrudate has a diameter of 0.2-0.5 cm; 3) pressing and roll slitting the noodle extrudate, thus yielding a plurality of slices; and 4) drying the plurality of slices in a microwave vacuum oven, cooling, and pulverizing the plurality of slices.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: October 31, 2023
    Inventors: Xing Zhou, Tingting Meng, Zhengyu Jin, Ren Wang, Jianwei Zhao, Jinpeng Wang, Aiquan Jiao, Xueming Xu
  • Patent number: 11794429
    Abstract: A hose extrusion mandrel for manufacturing rubber hoses includes: a solid thermoplastic, elongate core; and a rubber compound outer layer covering a surface of the elongate core. A ratio between a diameter of the core and a thickness of the rubber compound layer may be between 8 and 11.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: October 24, 2023
    Inventors: Gökhan Özcan, Recep Muco, Muslum Eren, Bjoern Theberath, Dipak Gopal Singh, Mumin Yelman
  • Patent number: 11787085
    Abstract: Recycled carbon fibers are processed by rotational tumbling in a mixture with binder material to prepare fiber-containing particles having a dual-tapered shape and general alignment of fibers with a longitudinal direction of the particles. Bulk products including such fiber-containing particles are compounded with polymer and pelletized to prepare fiber-reinforced composite pellets, which are useful for applications such as injection molding to prepare molded products of carbon fiber-reinforced composite material with recycled carbon fibers.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: October 17, 2023
    Assignee: Vartega Inc.
    Inventors: Jordan Gray Harris, Kylie Marie Van Aken, Sean Paul Kline, Andrew Timothy Maxey, Sean Louis Hankins
  • Patent number: 11787091
    Abstract: The present invention relates to a stable mat (10) based on thermoplastic materials, comprising a core of compacted plastics (14), the cohesion of which is provided by spot thermal fusion (18) in the core of the mass, and a skin obtained by surface thermal fusion and/or a thermoplastic shell (12) firmly attached to the core by localized thermal fusion. Such a mat may serve as bases for civil engineering constructions, for the distribution of loads in the case of loose, unstable, or marshy soils, the stabilization of embankments or of unstable soils, earthquake-resistant protection of foundations of structures and composition of absorbent ballasts of railroads. They may also be used for the manufacture of prefabricated road elements.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: October 17, 2023
    Inventor: Jean-Paul Vieslet
  • Patent number: 11780131
    Abstract: A passive horn integrally formed using thermoplastic vulcanized rubber includes a first outer casing, a second outer casing, an inner casing and an iron piece. The first outer casing includes a sealing ring, a folding ring and a vibrating membrane, and the sealing ring, the folding ring and the vibrating membrane are integrally injection molded into the first outer casing. A groove is disposed in the second outer casing, and the first outer casing is disposed in the groove. The back surface of the vibrating membrane is provided with a casing groove sequentially embedded with the inner casing and the iron piece. Furthermore, a preparation method of a passive horn integrally formed using thermoplastic vulcanized rubber, which, under the condition of integrated injection molding, may improve the yield rate, ensure product quality, save assembly time and labor cost, and improve production efficiency.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: October 10, 2023
    Inventors: Shuhong Cen, Cheng Ho
  • Patent number: 11780141
    Abstract: The present invention is directed to a continuous process for producing a foamable celluloid product by introducing a solid component (comprising nitrocellulose, chemical blowing agent (CBA), stabilizer and alcohol) and a liquid component (comprising camphor and acetone) into a mixer/devolatilizer machine where the chamber is under atmospheric pressure and having significant overhead space. The chamber is comprised of two zones wherein the first zone has a temperature that is less than the second zone and at least one rotor comprising hollow, temperature-controlled arms having a tilted angle affixed to the rotors. The rotors of the mixer/devolatilizer machine act to mix the solid and liquid components under lower shearing forces, lower mechanical stress and longer residence times than those used by twin-screw extruders.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 10, 2023
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Nikolaos Ioannidis, Zohar Ophir, Viral Panchal, Philip Abbate, Francis Sullivan, Ming Wan Young, Costas G. Gogos
  • Patent number: 11780127
    Abstract: A foaming and dyeing integrated production method for a polymer material product includes steps of putting a polymer material preform into a foaming and dyeing kettle, and loading dye into a dyeing circulation module; gasifying CO2 and injecting the CO2 into the foaming and dyeing kettle, stopping pressurization when the CO2 reaches a supercritical state; performing a dyeing circulation process in which the CO2 in the supercritical state enters the dyeing circulation module and dissolves the dye in the dyeing circulation module, when the dyeing process is finished, injecting CO2 and/or N2 pressurized in the fluid pressurization delivery module and heated in the fluid heating module into the foaming and dyeing kettle, stopping pressurization and starting foaming operation when requirements of a foaming process are met; and when the foaming process is finished, taking out a foamed and dyed polymer material product in the foaming and dyeing kettle.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: October 10, 2023
    Inventors: Hancha Liu, Yuan Liang, Shuhua WU, Jianyu Xu, Guohang Yang, Jitao Xu, Jiaqi Liang, Yuehua Liu, Yuhao Chen
  • Patent number: 11767674
    Abstract: A synthetic nonwoven fabric having bonded fibers forming channels surrounding unbonded fibers forming raised slip resistant spots. The fabric is made by extruding hot polymer through a spinneret die onto a moving belt to form a sheet of random fibers, which sheet undergoes a calendering process between a pair of heated rollers, one of which rollers having a plurality of cavities defined in its surface. The resulting fabric can be laminated and otherwise combined with other layers as desired to provide an end product having good slip resistant properties.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: September 26, 2023
    Assignee: FT SYNTHETICS INC.
    Inventor: Gurpreet Singh Sandhar
  • Patent number: 11766640
    Abstract: The disclosure provides a method for preparing a hollow fiber membrane by melt spinning-stretching and selective swelling, including: preparing a nascent hollow fiber by melt spinning in an inert gas protective atmosphere by using an amphiphilic block copolymer as a film forming material, and stretching the nascent hollow fiber in the cooling process, a stretch rate being controlled at 200-540 mm/min, and a stretch ratio being controlled at 150-600%; immersing the obtained hollow fiber in a swelling solvent, and treating the hollow fiber in a water bath at 65° C. for 1 h; and then transferring the hollow fiber into a long-chain alkane solvent, treating the hollow fiber at the same temperature for 1-12 h, and after the completion of the treatment, immediately taking out the hollow fiber and drying the hollow fiber to obtain the hollow fiber membrane with a bicontinuous porous structure.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: September 26, 2023
    Inventors: Yong Wang, Dinglei Zhong, Jiemei Zhou
  • Patent number: 11759596
    Abstract: A method of forming a hose includes: extruding a web of plastics material from a first extruder; helically winding the extruded web about a mandrel or at least one rotating rod to form a wall of the hose; feeding an electrical wire into a second extruder; extruding a bead of plastics material around the electrical wire from the second extruder, wherein the first electrical wire is positioned at a first location within a cross-section of the bead that comprises a bonding surface; cooling the bead to cool the plastics material adjacent the first location to prevent migration of the first electrical wire from the first location; re-heating the first bonding surface to cause the plastics material of the bonding surface to become molten; and helically winding the bead onto the hose to put the bonding surface into contact with, and to cause bonding with, the wall of the hose.
    Type: Grant
    Filed: July 5, 2020
    Date of Patent: September 19, 2023
    Assignee: GLOBALMED, INC.
    Inventors: Martin E Forrester, Richard Heimpel
  • Patent number: 11760042
    Abstract: A process unit and methods are disclosed. One process unit including a pultrusion unit having a pultrusion channel, with the pultrusion channel being limited by at least one shaping wall. The process unit further includes an extrusion unit having an extrusion channel and an opening for removing the extrudate out of the extrusion channel, a cutting unit having a moving cutting element for cutting off the extrudate with the moving cutting element, and a conveying device for conveying a raw extrudate from the pultrusion unit into the extrusion unit. The cutting unit comprises a component that can be caused to move in a rotational manner and the component is mechanically coupled to the cutting element by a mechanical coupling device, such that the rotational movement of the component determines the movement of the cutting element.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: September 19, 2023
    Assignee: 9T Labs AG
    Inventors: Martin Eichenhofer, Giovanni Cavolina, Chester Houwink
  • Patent number: 11746188
    Abstract: Provided is a poly(aryl-ether-ketone) (PAEK) powder suitable for use in a method for building objects layer-by-layer by electromagnetic radiation-generated sintering, which is obtained from a thermal pretreatment at a temperature between 260° C. and 290° C. and which has a melting temperature which is stable, at the build temperature, and below or equal to 330° C.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: September 5, 2023
    Assignee: Arkema France
    Inventors: Benoît Brule, Jérome Pascal