Adhesively Bonded Patents (Class 57/234)
  • Patent number: 10858780
    Abstract: A tension element of an elevator system tension member includes a plurality of first polymer fibers of a first material extending along a length of the tension element, and a plurality of second polymer fibers of a second material different from the first material. The plurality of second polymer fibers have a melting point lower than that of the plurality of first polymer fibers. The plurality of second polymer fibers are fused to the plurality of first polymer fibers to serve as a matrix for the plurality of first polymer fibers.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: December 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Kyle B. Martin
  • Patent number: 10716671
    Abstract: A prosthetic heart leaflet includes a fiber-reinforced structure including a plurality of composite fibers. Each composite fiber includes a core fiber and a sheathing fiber disposed about the core fiber, wherein the core fiber or the sheathing fiber has a curvilinear shape.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: July 21, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael Eppihimer, Peter G. Edelman
  • Publication number: 20140020809
    Abstract: Provided is a tire whose durability is improved by using, as a reinforcing member, a polyester cord having an improved heat resistant adhesive property to rubber. Provided is a tire in which a rubber-cord complex composed of a polyester cord and a rubber is used as a reinforcing member. The polyester cord is formed by twisting polyester filaments, and then subjecting the twisted filaments to an adhesive agent treatment. The polyester filament is made of a polyester fiber which is composed of a polyester having ethylene terephthalate as a main repeating unit and having an intrinsic viscosity of 0.85 or higher, wherein the amount of terminal carboxy group in the fiber is 20 equivalent/ton or larger, the long period according to small-angle X-ray diffraction is 9 to 12 nm, and a surface treatment agent having an epoxy group is attached to the surface of the fiber.
    Type: Application
    Filed: March 30, 2012
    Publication date: January 23, 2014
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Hiroyuki Yokokura, Daisuke Ozaki, Shintaro Shimada, Fuyuki Terasaka
  • Publication number: 20130276421
    Abstract: In a method of manufacturing a fiber-reinforced strand, the fiber-reinforced strand is so manufactured that the cross-section thereof becomes as circular as possible. The present invention concerns a method of causing a reinforced fiber bundle 3 to pass through a resin bath means 7 and, thereafter, twisting the reinforced fiber bundle 3. The resin bath means 7 includes an impregnation region 21 where the reinforced fiber bundle 3 is impregnated with a thermoplastic resin 5 and a twisting region 22 where the reinforced fiber bundle 3 after the resin impregnation can be twisted, and the reinforced fiber bundle 3 after the resin impregnation is twisted in such a manner that a twist pitch P imparted to the reinforced fiber bundle 3 after the resin impregnation within a length L in the twisting region 22 satisfies L/3?P?3.15/90×(dtex)1/2.
    Type: Application
    Filed: December 13, 2011
    Publication date: October 24, 2013
    Inventors: Hodaka Miura, Naoyuki Tashiro
  • Publication number: 20120260620
    Abstract: Synthetic fiber rope for a crane, include a central strand having an inner core made of a synthetic resin and an inner cover made of synthetic fibers and connected to the inner core via braiding, a plurality of outer strands each of which includes an outer core made of a synthetic resin and an outer cover made of synthetic fibers and connected to the outer core via twisting and which are connected to the outer surface of the central strand via braiding, and a jacket made of synthetic fibers and braided to cover the surface of the plurality of outer strands. Method of manufacturing a synthetic fiber rope is also disclosed.
    Type: Application
    Filed: April 12, 2012
    Publication date: October 18, 2012
    Applicant: DSR CORP.
    Inventors: Do-kyoun KIM, Yong-sik Yim
  • Publication number: 20120118131
    Abstract: A method for forming a helix rope for a trawl comprising the steps of: a) situating upon a portion of a rope a bead of a substance being selected from a group consisting of: (i) a liquid substance; and (ii) a semi-liquid substance. A helix rope (35) for forming portions of a pelagic trawl, the helix rope comprising a braided sheath (398) formed of greater than sixteen strands (397), whereby drag is reduced. A method for forming a high strength synthetic rope useful for towing warps, trawler warps, yachting ropes, mooring lines, anchoring lines, oil derrick anchoring lines, seismic lines, paravane lines, and any other uses for rope, cable or chain.
    Type: Application
    Filed: July 22, 2010
    Publication date: May 17, 2012
    Inventors: Hjortur Erlendsson, Sherif Safwat
  • Patent number: 8178200
    Abstract: A sport racket string includes a string which is a solid string and multiple recesses are defined in an outer surface of the string. The recesses include different sizes, depths and shapes, and are located in pre-determined ways such as lines so as to increase the friction between the balls and the string. The strings of the present invention are light in weight and allow the users to control the balls efficiently.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: May 15, 2012
    Assignee: Yao I Fabric Co., Ltd.
    Inventor: Tsan-Ching Wang
  • Patent number: 6804942
    Abstract: A composite tubular assembly formed by a core or tube which is reinforced by a multitape product which is wrapped in alternate non-bonded helical wraps on the core or tube. Each tape is first formed by impregnating a fibrous strip with a resin and then such tapes are fed from spools to the core of the tube.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: October 19, 2004
    Inventor: Michael J. Bryant
  • Patent number: 6460321
    Abstract: A racquet string comprises of a core surrounded by at least one sheath, having a plurality of sheath fibers wound around said core, and a coating resin uniting the core and sheath fibers into a unitary body. The sheath fibers are helically wound about the core at a high wind angle, i.e., at a wind angle between 25 and 40 degrees relative to the core axis. Preferably, the sheath comprises a plurality of main sheath fibers and a plurality of non-main sheath fibers, and the core, the main sheath fibers, and the coating resin are transparent. Preferably, the non-main sheath fibers have a relatively low transparency. In this manner, the non-main fibers produce a multi-helix appearance when the string is observed from the side.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: October 8, 2002
    Assignee: Gosen Co., Ltd.
    Inventors: Tatsumi Koshimae, Katsuo Kanno
  • Patent number: 6412265
    Abstract: A plurality of perforations 6 has been defined on a plastic tape 5 to be laminated on insulated wire cores 2. Accordingly, intrusions of the plastic tape 5 in between each of pair-twisted sections 4 are elevated in laminating step of the plastic tape 5. As a result, collapses in the pair-twisted sections 4 decrease, and in addition, portions of a tape material corresponding to perforations 6 defined on the plastic tape 5 are replaced by air, so that dielectric constant between conductors of the insulated wire cores 2 decreases, whereby decrease in impedance can be reduced. Thus, a twisted flat cable I exhibiting flexibility and accompanying with no decrease in impedance in laminating step is provided.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: July 2, 2002
    Assignee: Hitachi Cable, Ltd.
    Inventors: Tetsuhiro Yamamoto, Satoshi Mizushima
  • Patent number: 6148597
    Abstract: Yarns and fishing lines are made by a process that includes the step of exposing an opaque yarn made from ultrahigh molecular weight, gel spun polyolefin filaments to a temperature within the melting point range of the filaments for a time sufficient to at least partially fuse the contact surfaces of adjacent filaments. For ultrahigh molecular weight, gel spun polyethylene, this temperature is preferably within the range from about 150.degree.-157.degree. C. The surface fusion between and among filaments imparts desirable handling characteristics to the ultrahigh molecular weight, gel spun polyolefin yarns and fishing lines that are similar to those of a conventional monofilaments. Preferably, the temperature, residence time, and stretching ratio at the selected temperature are chosen to provide a fishing line exhibiting a tensile modulus within the range from about 230 g/d to about 780 g/d with a tenacity of at least 15 g/d.
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: November 21, 2000
    Assignee: Berkley Inc.
    Inventor: Roger B. Cook
  • Patent number: 6062014
    Abstract: A string for a sports racket includes a core formed of a plurality of core filaments of nylon which are twisted together in a first direction and which are impregnated with a thermoplastic polyurethane resin, a moisture-cured polyurethane layer enclosing the core, a reinforcing layer formed of a plurality of reinforcing nylon filaments which are disposed side by side in annular rows and which are twisted about the polyurethane layer in a second direction opposite to the first direction, and a sheathing layer made of a mixture of silicone and nylon resin and covering the reinforcing layer.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: May 16, 2000
    Inventor: Yueh-Jui Yeh
  • Patent number: 6009699
    Abstract: Composite synthetic string, in particular for a tennis racket. According to the invention, the string is made up of central monofilaments surrounded by mono-filament threads and by multifilament threads, the assembly being impregnated and covered in polyurethane. The string is applicable to tennis rackets having increased lifetime and that react in lively manner under the impact of a ball.
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: January 4, 2000
    Assignee: Cousin Biotech (S.A.R.L.)
    Inventor: Yves Delvael
  • Patent number: 5802828
    Abstract: A composite yarn is for making braided packing for sealing pump or rotating valve shafts. The packing comprises an external layer and a core. Preferably, the external layer is made of expanded polytetrafluoroethylene (PTFE) impregnated with graphite, and the core is an aramide filament. The graphite impregnated, expanded PTFE gives the composite yarn good thermal conductivity, high capacity of friction reduction and good resistance to chemical attacks. The aramide filament has high mechanical strength. The composite yarn can be braided to form a packing where only the PTFE contacts the shaft, thus protecting it against uneven wear.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: September 8, 1998
    Assignee: Manegro Administracao E Participacoes Ltda
    Inventor: Marcello Cattaneo Adorno
  • Patent number: 5771673
    Abstract: A fishing line comprising a core (10) and a sheath (20) encompassing the core (10). the core (10) as well as also the sheath (20) are constructed of high-strength filaments (11, 12, 21, 22). The core (10) is entwined with the filaments (21, 22) forming the sheath (20). the composite of the filaments (11, 12, 21, 22) is set by bonding by means of a fusion-adhesive yarn (19) placed parallel to the filaments (11, 12) forming the core (10). In this way a fishing line can be produced which meets the highest requirements and is simultaneously cost effective.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: June 30, 1998
    Assignee: Lozetex-Zwirne GmbH, et al
    Inventor: Wilhelm Lorch
  • Patent number: 5540990
    Abstract: Monofilament lines are made from twisted gel spun polyolefin yarns that are heated and stretched under conditions sufficient to fuse adjacent filaments into a line having monofilament characteristics and high tenacity.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: July 30, 1996
    Assignee: Berkley, Inc.
    Inventor: Roger B. Cook
  • Patent number: 5431979
    Abstract: A cut-resistant tarpaulin has a waterproof coating bonded to a cut-resistant woven fabric. The fabric has a leno or gauze weave. The fabric has warp yarns and weft yarns of braided fibers. The fibers have an initial modulus greater than 400 grams per denier.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: July 11, 1995
    Assignee: Hoechst Celanese Corporation
    Inventors: Allan M. Dellinger, Michelle C. Carter
  • Patent number: 5414984
    Abstract: A reinforcement thread (1) for fabric coverings or technical textiles, intended to be incorporated in a textile base which comprises a synthetic or artificial core thread (2) and first cladding fibers (3) deposited about the core thread (2). The first cladding fibers (3) are bonded to the core thread (2).
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: May 16, 1995
    Assignee: Lainiere De Picardie
    Inventors: Pierre Groshens, Fabrice Covet
  • Patent number: 5090188
    Abstract: A string (10) for a sports racquet, such as a tennis racquet string, is comprised of a string core (20) having a plurality of external ridges (40) bonded thereon for aiding in imparting spin on a ball and for increasing the crossover contact area between strings. The ridges are parallel to one another and extend axially with the string. Preferably, the string and ridges can be circumscribed by a maximum diameter circle (90), preferably of 1.70 millimeters. The process for making the ridged string includes passing a string core (20) through a bath (72) of resin (71), such as nylon, for coating and glueing the core and then through a die (74) shaped so as to form the ridges (40).
    Type: Grant
    Filed: October 20, 1990
    Date of Patent: February 25, 1992
    Inventors: Tseng Y. Lin, Sam H. Chen
  • Patent number: 5010723
    Abstract: A yarn produced from two or more twisted cellulosic fibers, such as cotton or cotton rayon fibers, the plies being helically wound around a thermoplastic filament core which is subsequently melted to bind the inner portions of the yarn together so that it does not untwist or shed lint readily. The yarn is employed in a dust mop or floor mat for a shampoo bonnett for stain resistant treated carpet.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: April 30, 1991
    Assignee: Wilen Manufacturing
    Inventor: Joseph M. Wilen
  • Patent number: 4956039
    Abstract: A cable-like synthetic composite body which can be used as a support element for technical cables comprises a string of endless filaments of high modulus of elasticity which extend parallel to one another and to the cable axis, with the string being impregnated with a first thermoplastic material (12) in the form of a hot melt adhesive. The string (11') which is held together in this way is then sleeved by extrusion with the second thermoplastic material (13) which is filled with staple fibers (23) of a high modulus of elasticity. A sleeve of a third thermoplastic material (14) is then applied by means of extrusion onto the sleeve layer.
    Type: Grant
    Filed: May 10, 1988
    Date of Patent: September 11, 1990
    Assignee: Roblon A/S
    Inventors: John Olesen, Jorgen Jorgensen
  • Patent number: 4860531
    Abstract: A synthetic string for a sports racquet has an inner single strand or multifilament core, wrapped with one or more helically wound layers of large diameter strands of monofilament, and surrounded by an extruded coating of regular polygonal cross-section having 5 to 8 planar surfaces joined at parallel, axially extending biting edges which serve to impart greater topspin and slice control to the ball.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: August 29, 1989
    Inventors: D. Phillips Wells, Stephen R. Phelps
  • Patent number: 4757658
    Abstract: A composite structure comprises at least one ply comprising approximately parallel unidirected twines comprising helically-configured matrix-impregnated continuous strands of filament reinforcements to provide a flanged composite cantilever spring which serves as the principal constituent of a coupling structure. An interior ply of a coupling structure body member comprises unidirected longitudinal twines configured at a body member extremity to provide a flange member connected to a cantilever spring. An exterior ply is disposed transversely of and superimposed upon the interior ply to provide the cantilever spring hinge line. The composite cantilever spring can be constructed to deflect about either a straight or curved hinge line. A preferred tubular form of the coupling structure comprises at least one end configured as a polygonal array of flanged cantilever springs which serve as the socket end of a spring-lock coupling used to connect mating flanged spigot-end structures.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: July 19, 1988
    Inventor: Charles E. Kaempen
  • Patent number: 4680923
    Abstract: A composite structure comprises at least one ply comprising approximately parallel unidirected twines comprising helically-configured matrix-impregnated continuous strands of filament reinforcements to provide a flanged composite cantilever spring which serves as the principal constituent of a coupling structure. An interior ply of a coupling structure body member comprises unidirected longitudinal twines configured at a body member extremity to provide a flange member connected to a cantilever spring. An exterior ply is disposed transversely of and superimposed upon the interior ply to provide the cantilever spring hinge line. The composite cantilever spring can be constructed to deflect about either a straight or curved hinge line. A preferred tubular form of the coupling structure comprises at least one end configured as a polygonal array of flanged cantilever springs which serve as the socket end of a spring-lock coupling used to connect mating flanged spigot-end structures.
    Type: Grant
    Filed: March 27, 1985
    Date of Patent: July 21, 1987
    Inventor: Charles E. Kaempen
  • Patent number: 4677818
    Abstract: A composite rope obtained by a process comprising(1) impregnating a fiber core of a reinforcing fiber bundle with a thermosetting resin,(2) coating the outer periphery of the resin-impregnated fiber core with fibers, and(3) curing the thermosetting resin with heat.
    Type: Grant
    Filed: July 11, 1985
    Date of Patent: July 7, 1987
    Assignees: Toho Beslon Co., Ltd., Tokyo Rope Manufacturing Co., Ltd.
    Inventors: Kenji Honda, deceased, Tadaaki Sawafuji
  • Patent number: 4660364
    Abstract: Athletic racket string construction consisting of a seven strand core and an outer layer of wrapping fibers.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: April 28, 1987
    Assignee: Alpha Sports, Inc.
    Inventor: Chinn-Chann Chiang
  • Patent number: 4565061
    Abstract: A string is provided which has been stabilized to retain its initial tension over a long period when strung in a racket, and which has a high ratio of tensile strength to modulus of Elasticity to cause the deflection of the string woven membrane to be almost linear with applied force. The string has a very low Modulus of elasticity to cause the region of the string in the vicinity of the ball impact point to stretch easily and provide a cup for the ball at the moment of highest string membrane deflection.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: January 21, 1986
    Inventor: Enoch J. Durbin
  • Patent number: 4534163
    Abstract: In making synthetic rope or cable, a plurality of filaments are brought in parallelism into a core and compacted by a plurality of ribbons or tapes wound about the core under tension in opposite directions to form a uniform jacket that is torsionally stable. An outer sheath which may be urethane or other plastic material is applied to the jacket under sufficient pressure to penetrate the jacket but not the core, and then the urethane is cured. The rope or cable of the invention has a core of substantially parallel filaments free to move within the jacket of ribbons wound about the core and penetrated with the urethane or other plastic material. The method affords many advantages in speed of manufacture and cost, and provides a rope or cable of greater tensile strength and flexibility than other rope or cable constructions.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: August 13, 1985
    Assignee: New England Ropes, Inc.
    Inventor: Peter E. Schuerch
  • Patent number: 4516394
    Abstract: There is disclosed an improved feedstock package for a spiraling machine. The package comprises filamentary yarn having a twist of less than 5 tpi wound around a king spool. In contrast to prior art cone packages, the invention significantly reduces package distortion and threadline breakage in high speed spiraling operations employed in, for example, making reinforced plastic hose. Preferred embodiments include the yarn being greige yarn and the package rotational speeds on the spiraling machine being at least 1,400 rpm.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: May 14, 1985
    Assignee: Celanese Corporation
    Inventors: Gilbert C. Bell, Harry W. Stanhope
  • Patent number: 4499716
    Abstract: Reinforcement structure with enhanced compressive strength is obtained by wrapping a yarn helically around a core of longitudinally aligned yarn to form a sheath that compresses the core, the yarn of both sheath and core having a tenacity greater than 10 dN/tex and an initial modulus greater than 200 dN/tex.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: February 19, 1985
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Paul S. Antal, Manfred Katz
  • Patent number: 4449353
    Abstract: A natural gut string for sports rackets comprises at least two gut strands, each strand of which comprises a plurality of gut ribbons twisted together in a first direction, which strands are combined and re-twisted together in a direction opposite to the first direction. In a process for making the gut strings, the gut ribbons and gut strands are preferably twisted under tension.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: May 22, 1984
    Assignee: United States Tennis Gut Association, Inc.
    Inventor: Amad Tayebi
  • Patent number: 4433536
    Abstract: An improved synthetic twine and method of manufacturing same are disclosed. The synthetic twine comprises at least one longitudinally extending oriented synthetic ribbon which has been fibrillated to provide a net-like structure having fine fibril stems connected by finer fibril branches, and a synthetic binder in thin band form made of a material compatible with the synthetic ribbon. The synthetic binder is spirally wrapped around and fused to the synthetic ribbon. The method of making a twine comprises the steps of providing at least one longitudinally extending ribbon, orienting the synthetic ribbon and fibrillating the synthetic ribbon to provide a net-like structure having fine fibril stems connected by finer fibril branches. Thereafter, a synthetic binder in thin bank form is spirally wrapped and fused around the synthetic ribbon which has been oriented and fibrillated.
    Type: Grant
    Filed: September 23, 1981
    Date of Patent: February 28, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventor: John B. O'Neil
  • Patent number: 4409283
    Abstract: A formable viscid caulking member including a viscid medium; a flexible multifilament member saturated with the viscid medium; and a method of making such a caulking member.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: October 11, 1983
    Inventor: Donald E. Boyle, Jr.
  • Patent number: 4391088
    Abstract: A string for sports rackets consists of a gut core covered with filamentary aramid and impregnated with at least one coating of water-resistant, vapor-impermeable, flexible smooth adhesive polymeric resin, which adheres the filamentary aramid to the gut core.
    Type: Grant
    Filed: January 13, 1982
    Date of Patent: July 5, 1983
    Assignee: United States Tennis Gut Association, Inc.
    Inventors: Jerome Salsky, Patrick K. Janis, Kenneth E. Branen
  • Patent number: 4378725
    Abstract: A method for producing a sealed rope of braided or twisted filaments. Heat-shrinkable filaments are braided or twisted about a core of a thermoplastic material to form a rope and the rope is placed under tension and treated to cause the thermoplastic core material to melt. Simultaneously the rope is maintained at a temperature sufficient to cause the heat-shrinkable filaments to shrink but not to melt, whereby the shrinking of the filaments, while the rope is under tension, reduces the cross section of the rope and causes the material to penetrate into the openings between and to surround and seal the filaments of the rope.
    Type: Grant
    Filed: November 20, 1980
    Date of Patent: April 5, 1983
    Assignee: Anza B.V.
    Inventors: Johannes Hospers, Gerhard ten Lohuis
  • Patent number: 4377620
    Abstract: Improved gut for use on rackets for tennis, badminton, and the like, comprising a gut body and a coating film on the gut body, the film being obtained by drying a liquid formed by dispersing minute particles of ethylene tetrafluoride resin either in a solvent or a molten resin.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: March 22, 1983
    Inventor: Edward Alexander
  • Patent number: 4312260
    Abstract: A flexible cable comprises a plurality of substantially parallel, textile core threads and an external sheath, in which cable cohesion is provided by a binder which is applied in a discontinuous manner to the threads to bond the core threads to one another to form a core. The same or additional binder is used to bond the core to the sheath. An electrical conductor element may be provided centrally of the core and the sheath preferably is braided in position about the core. In addition to the beneficial properties associated with totally impregnated cables, the cables of this invention possess a very high flexibility. These cables or ropes can be used for all applications in which flexibility and strength are the principally desired qualities including, for example, motorway crash barriers, oceanography, ballooning, and fixing floating stations in the sea.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: January 26, 1982
    Assignee: Rhone-Poulenc-Textile
    Inventor: Gilbert Morieras
  • Patent number: 4306410
    Abstract: A string construction for athletic rackets which can be frictionally engaged with a tennis ball or a badminton shuttlecock very well upon hitting it and which can be uniformly stretched on the athletic racket frame without being twisted, comprises a string-like core made of thermoplastic resin material and a tubular netlike structure made of thermoplastic resin material, the tubular netlike structure netting over and being secured to an outer circumference of the core, wherein the netlike structure includes a plurality of thread-like members forming a plurality of nodes at intersections thereof, all the thread-like members forming each node being integral with each other at each node, and projecting from the outer circumference of the core to a height substantially equal to each other at each node.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: December 22, 1981
    Assignees: Kureha Kagaku Kogyo Kabushiki Kaisha, Kureha Gosen Kabushiki Kaisha
    Inventors: Masaaki Nakamura, Hisaaki Ueba
  • Patent number: 4299884
    Abstract: There is provided a new wrapped textile thread which includes a core made of threads arranged considerably parallel to each other. The core is covered by a wrapping thread which winds in a single turn, forming a regular and joined spiral around the core. This textile thread is characterized by the fact that at least one part of the peripheral surface of the core is joined together by heat sealing with the wrapping of winding thread. The textile thread is useful in textile materials which require a very good resistance against abrasion.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: November 10, 1981
    Assignee: L. Payen & Cie
    Inventor: Pierre Payen
  • Patent number: 4297835
    Abstract: An integrated string consisting of plural mono-filaments, each of which being fused together with adjacent mono-filaments at the contact points and externally having sharp grooves produced by twisting along its length and internally defining confined spiral bores between the component mono-filaments along its length. The external spiral grooves produced by twisting provide frictional resistance against slipping without deteriorating the specific surface tenacity and the tensile strength of the component synthetic mono-filaments. The internal spiral bores between the component mono-filaments improve the flexibility of the string.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: November 3, 1981
    Inventor: Mituo Shimizu
  • Patent number: 4275117
    Abstract: An integrated string primarily for use in connection with athletic rackets, such as tennis, badminton, squash and the like, but also usable for fishing line, musical strings, etc., said string in one embodiment comprising a thermoplastic core having a thermoplastic sheath covering same and integrated thereto, said core material and said sheath comprising strands therein having substantially different melting points, and in a second embodiment said string consisting of a braided sheath, with no inner core, said sheath comprising thermoplastic strands having substantially different melting points.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: June 23, 1981
    Assignee: Ashaway Line & Twine Mfg. Co.
    Inventor: Steven J. Crandall
  • Patent number: 4269024
    Abstract: A continuous elongate strength member for reinforcing an optical fibre cable consists of an assembly of aromatic polyamide filaments impregnated with a synthetic resin, in which the filaments are individually coated with the resin, and the filaments of at least an outer layer of the assembly are helically stranded. The impregnation is carried out by separating the filaments and immersing them in a low viscosity dispersion of the resin in a liquid medium; the filaments are then stranded, and the resin is cured. Apparatus for manufacturing the strength member and various forms of cable incorporating one or more strength members, are described.
    Type: Grant
    Filed: July 19, 1979
    Date of Patent: May 26, 1981
    Assignee: Associated Electrical Industries Limited
    Inventors: Raymond S. Ashpole, Colin J. Peachey, Arup K. Kar
  • Patent number: 4228641
    Abstract: A twine comprised of a core bundle of synthetic monofilaments twisted along the length of the twine and a synthetic binder material in thin band form spirally wound about the monofilaments in a direction opposite to the core bundle twist has been found to form knots of superior strength which are less susceptible to slippage while maintaining good flexibility. A further embodiment comprises the bundle of twisted monofilaments and a synthetic binder in thin band form spirally wound in the direction of the core bundle twist so as to provide a flat twine useful as cable filler.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: October 21, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventor: John B. O'Neil
  • Patent number: 4195549
    Abstract: A pintle wire for high load hinge connections, especially for textile webs and transmission belts, and method of making same, according to which continuous synthetic fibers are braided individually or in strands and are embedded in high wear resistant and hydrolysis resistant duroplastic material and interconnected thereby.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: April 1, 1980
    Assignee: Filztuchverwaltungs-GmbH
    Inventors: Wilhelm Schuster, Klaus Wollmann, Jurgen Stahl
  • Patent number: 4183200
    Abstract: A string for a tennis racket composed of a synthetic resin such as nylon and having a combination of properties which provides a highly desirable balance between playability and durability. Specifically, the string has a spring rate of from 45 to 65 pounds/inch (8.0 to 11.6 kg/cm) at a loading in the range of 50 to 100 pounds (22.7 to 45.4 kg), the string exhibiting a substantially linear stress-strain behavior in the foregoing range, a minimum tensile break load of 120 pounds (54.4 kg), a thickness of from 0.040 to 0.055 inch (0.10 to 0.14 cm), a minimum overhand knot strength of 50 pounds (22.7 kg), and a minimum surface friction of 0.120.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: January 15, 1980
    Assignee: PepsiCo, Inc.
    Inventor: Girdhar Bajaj
  • Patent number: 4173113
    Abstract: The cable includes continuous glass filaments which are helically plied in rovings at a constant helical angle from cable center to outer surface and bonded together in elastomeric material. When heated, thermal elongation of the filaments is opposed by simultaneous radially directed thermal volumetric expansion of the elastomeric material. Thus, with respect to overall cable length, thermal elongation of the cable is opposed by a simultaneous increase in cable cross sectional area such that thermal elongation effects are controllable, dependent upon the thermal expansion properties of the filament and elastomeric materials used, by controlling the helical angle at which the filaments are plied to obtain either expanding, contracting or constant length cables, as desired. Thermal contraction effects produced by cooling the cable also are controllable by controlling the helical angle.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: November 6, 1979
    Assignee: Norfin, Inc.
    Inventors: Donald L. Snellman, Willard G. Hudson