Patents Examined by Ramon R. Hoch
  • Patent number: 4946554
    Abstract: A method and apparatus for retreading a tire includes a mold segment (14) having open ends (16) and (18). A tire carcass (10) has a layer of uncured rubber (12) built up on the surface thereof. The mold (14) is disposed therearound with ribs (20) resting on the surface thereof. A semi-flexible cap (24) is disposed over the ends (16) and (18) which are separated by a gap (20). An elastic strap (26) is then wrapped about the assembly to secure the mold (14) to the built up tire carcass (10). An envelope (28) is then wrapped about the assembled tire carcass (10) to provide a radially inward force thereto. The whole assembly is then cured in a curing oven.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: August 7, 1990
    Assignee: Long Mile Rubber Company, Inc.
    Inventors: Arthur W. Magee, Richard D. Shockley, Michael E. Crawford
  • Patent number: 4889174
    Abstract: A pneumatic radial tire having improved cornering stability, service durability and rolling resistance is provided by using high-elasticity, high-strength vinylon fiber having specified elongation and strength as a cord material for at least one belt layer in a belt composed of at least two belt layers. Particularly, noise level can be reduced without damaging other tire performances by combining at least one layer of high-elasticity, high-strength vinylon fiber cords with at least one layer of steel cords as a belt of the tire.
    Type: Grant
    Filed: November 5, 1986
    Date of Patent: December 26, 1989
    Assignee: Bridgestone Corp.
    Inventors: Kazuo Oshima, Shizuo Iwasaki
  • Patent number: 4865103
    Abstract: A pneumatic radial tire includes a belt layer consisting of a plurality of belt plies reinforced by cords. The cords of at least two adjacent belt plies are oblique in opposite directions with respect to an equatorial plane of the tire. The tire comprises a relieving ply overlapping the belt plies. A modulus of the relieving ply is less than that of the belt plies. A width of the relieving ply is wider than that of the belt ply having the widest width. Cords reinforcing the relieving ply is oblique with respect to the equatorial plane in the same directions as those of cords of the belt ply having the widest width. Separations at belt ends of the maximum width belt ply is effectively prevented.
    Type: Grant
    Filed: July 29, 1987
    Date of Patent: September 12, 1989
    Inventors: Kazuomi Kobayashi, Minoru Nakano
  • Patent number: 4858666
    Abstract: A radial tire improved in steering stability, durability and appearance comprising a nylon cord of high modulus and excellent dimensional stability obtained by impregnating a nylon cord substantially composed of polytetramethyleneadipamide with an adhesive and heat setting the nylon cord under a stretch state.
    Type: Grant
    Filed: April 30, 1986
    Date of Patent: August 22, 1989
    Assignee: Toyo Tire & Rubber Company Limited
    Inventors: Yukio Komai, Keijiro Oda
  • Patent number: 4857126
    Abstract: In the making of coated paper products an improved process is disclosed for separating wet, semi-dry or dried coated paper from an application unit or a drying roll. The process comprises the steps of providing a paper web with a release composition in the form of an aqueous layer or film including the reaction product of alkanolamine and a fatty acid in equimolar proportions, providing an agent to maintain the pH factor to predetermined level and adding preselected amounts of a viscosity-regulating substance and water. The release composition may be applied directly to a drying roll or drum or to fluting rolls use for corrugated paperboard.
    Type: Grant
    Filed: April 25, 1984
    Date of Patent: August 15, 1989
    Assignee: Sodra Skogsagarna AB
    Inventors: Christer Soremark, Ingemar Olsson
  • Patent number: 4854359
    Abstract: The antiskid device includes a fixing disk, which can be mounted on the wheel rim of a motor vehicle and can remain thereon during the winter months, and a supporting disk mountable on the fixing disk and lockable therewith by means of a retaining ring on putting the antiskid device into operation. The supporting disk is provided with a plurality of radially arranged support arms, which engage over the tire tread and which carry a chain grid as the snow chain which, in the operating state, engages over the tire tread, so as to provide an antiskid device which can be effortlessly mounted on a wheel and provide a snow chain-like action.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: August 8, 1989
    Inventors: Heiko Ippen, Werner Preusker
  • Patent number: 4854362
    Abstract: A pneumatic tire has first and second carcass plies. The first carcass ply has outer portions that are folded around axially spaced annular tensile members (bead cores) and terminate under a belt structure. A pair of shoulder plies are disposed in the upper sidewalls of the tire between the central portion of the second carcass ply and the lateral edge portions of the first carcass ply. A pair of lower sidewall plies are disposed in the lower sidewalls, and are folded around their respective annular tensile members, terminating radially inwardly of the axially widest part of the tire.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: August 8, 1989
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Russell A. Carolla, Nathan A. Gammon
  • Patent number: 4849042
    Abstract: A method and apparatus is disclosed for producing an ornament for gift wrapping purposes and the like. The ornament has a basic member with a plurality of radially disposed conical elements, and these basic members may be combined to produce spheroidal or hemispheroidal ornaments having a plurality of radial cones or spikes. In the method, a flat circular blank is formed with a plurality of radially disposed leaves. The leaves are wrapped around a conical form and adhesively secured to form one of the basic members. The apparatus includes a winder for wrapping the leaves around the conical form and positioning means for holding the blank and locating each leaf on the form to be wrapped into a conical element by the winder.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: July 18, 1989
    Assignee: Rainbow Star Licensing S.A.
    Inventors: James C. Mancel, Olaf B. Raiskums
  • Patent number: 4842682
    Abstract: A heavy duty low-section pneumatic and a process for manufacturing the same are disclosed. This tire comprises a radial carcass toroidally extending between bead portions, a belt composed of a first and second belt layers successively superimposed around a crown portion of the carcass and a tread rubber having substantially the same width as the maximum width of the belt. In the belt, the first belt layer is composed of at least two cord plies each containing cords inclined at a small angle with respect to the equatorial plane of the tire, the cords of which being crossed with each other with respect to the equatorial plane, while the second belt layer is composed of at least one cord ply containing non-expansible or hardly expansible cords arranged in substantially parallel to the equatorial plane and extends over both sides of the first belt layer between the first belt layer and the carcass.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: June 27, 1989
    Assignee: Bridgestone Tire Co., Ltd.
    Inventors: Norio Iwata, Masao Nakamura, Takashi Takusagawa
  • Patent number: 4840700
    Abstract: Etching methods are employed on a thin conducting sheet so as to fabricate complicated magnetic coil patterns which are necessary to produce magnetic fields of high uniformity or other given design. The etching is performed so that material is removed along a thin line or lines which correspond to current streamlines of the ideal current distribution so that the remaining material exhibits a relatively wide region of conducting material having reduced electrical resistance.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: June 20, 1989
    Assignee: General Electric Company
    Inventors: William A. Edelstein, Frederick Schenck
  • Patent number: 4840214
    Abstract: A reinforcing strip, and method of making same, specifically adapted for use in reinforcing plies in the belt of rubber tires. The strip comprises a number, preferably 4 to 7, of parallel wires, tightly bound together by a wrapping wire or a binder. This strip form allows to combine the advantages of steel strip, i.e. high lateral and low radial stiffness and thinner piles, with those of conventional steel cord, i.e. high tensile strength and fatigure resistance.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: June 20, 1989
    Assignee: N. V. Bekaert S. A.
    Inventor: Luc Bourgois
  • Patent number: 4838966
    Abstract: A woven endless tire reinforcing belt for a pneumatic tire is provided, wherein the reinforcing belt comprises a first belt portion having a width W.sub.1, said first portion comprising at least one coated continuous cord reinforcement woven in a zig-zag pattern, and at least one additional belt portion having a width W.sub.2, W.sub.2 being substantially different from W.sub.1, said additional belt portion being woven from at least one coated continuous cord reinforcement, said additional belt portion being positioned adjacent the first belt portion and substantially centered therewith, whereby said endless tire reinforcing belt has increased uniformity of stiffness from one edge to the other. Also provided is a method for weaving such a reinforcing belt.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: June 13, 1989
    Assignee: The Armstrong Rubber Co.
    Inventor: Richard W. Oswald
  • Patent number: 4838330
    Abstract: A pneumatic tire comprising a tread having an outer tread portion arranged at a radially outer side of the tire and composed of one kind of rubber, and an inner tread portion arranged radially inward of an outer surface of a tread wear indicator and composed of several kinds of rubbers, and a pair of sidewalls each arranged between the tread and a bead, the inner tread portion being axially divided into at least three regions and having a central region extending across an equatorial line of the tire and side end regions arranged in opposite sides of the central region, hardnesses of the rubbers of the inner tread portion being gradually increased axially from the central region to the side end region, and hardness of the rubber of an axially outermost side end region being smaller than that of the rubber of the outer tread portion.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: June 13, 1989
    Assignee: Bridgestone Corporation
    Inventor: Masahiro Takayama
  • Patent number: 4836262
    Abstract: A metal cord is constructed by twisting three metal filaments in the same direction, and satisfies Lmax.gtoreq.1.05d, Lmin.gtoreq.1d and Lmax/Lmin.gtoreq.1.05 (Lmax : center distance between longest separated metal filaments, Lmin : center distance between shortest separated metal filaments, d : diameter of metal filament), and has specified twisting pitch and elongation under a load of 5 kg/cord. A pneumatic tire comprises a belt composed of plural belt layers each containing the above metal cords arranged at a given inclination angle with respect to the circumferential direction of the tire.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: June 6, 1989
    Assignee: Bridgestone Corporation
    Inventors: Kuninori Nishizawa, Teruo Miura, Yoichi Watanabe, Hirohiko Takagi
  • Patent number: 4832101
    Abstract: A radial ply pneumatic tire (10) has carcass plies (13,14,15) reinforced by cables comprising only yarns of aramid filaments, and belt plies (31-35) reinforced by cables comprising at least two yarns of aramid filaments and a core yarn consisting of at least one polyamide or polyester filament which have at least a partially oriented structure, said aramid yarns being adjacent to one another and twisted about said core yarn but not being twisted together with one another.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: May 23, 1989
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Thomas L. Welter
  • Patent number: 4832102
    Abstract: Textile cables (10) used for reinforcing tires comprise a plurality of yarns (11, 12, 13) which each consist of a plurality of aramid filaments (14) and each yarn has a twist imparted thereto. The yarns (11, 12, 13) are twisted together with one another to form cables (10). The twist ratio and the twist multiplier of the cable are dependent upon the intended end use of the cable. If the cable (10) is to be used in a high flex application, such as a reinforcing element in a carcass ply of a tire, the twist ratio is in the range of 1.0 to 1.9, and the twist multiplier is in the range of 8 to 12. If the cable (10) is to be used as a reinforcing element in the tread reinforcing structure of a tire, where there is some flexing but strength is very important, the twist ratio is in the range of 1.0 to 3.0, and the twist multiplier is in the range of 5 to 7. A preferred spacing between the cables is also disclosed.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: May 23, 1989
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Stephen J. Domchick
  • Patent number: 4828001
    Abstract: A steel cord comprises at least nine filaments which are twisted in substantially the same direction with substantially the same pitch. A coil formed by each filament has a diameter which is variable along the cord central line. Most of the filaments are interwined with one another without forming layers.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: May 9, 1989
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventor: Koji Takahira
  • Patent number: 4827999
    Abstract: A polyester fiber having excellent thermal dimensional stability and chemical stability as well as high tenacity, which is a drawn yarn produced by melt-spinning a polyester comprising predominantly polyethylene terephthalate, solidification the spun yarn and then drawing the yarn under specified conditions and has specified properties such as intrinsic viscosity, diethylene glycol content, carboxyl group content, birefringence, yarn tenacity and difference of average birefringence between surface and center of monofilament, and further low dry heat shrink and work loss when heat-treated, said polyester fiber being useful as a reinforcement for rubber goods, specifically as a tire cord, and processes for the production of the polyester fiber.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: May 9, 1989
    Assignee: Toyobo Petcord Co., Ltd.
    Inventors: Kazuyuki Yabuki, Yohji Kohmura, Mitsuo Iwasaki, Hiroshi Yasuda
  • Patent number: 4825925
    Abstract: A central tire deflation system for emergency vehicles, such as fire trucks, rescue vehicles located at airports, enabling the operator to deflate all of the tires of the emergency vehicle to a predetermined minimum pressure while traveling to a crash site so that the "footprint" of the tires is increased at or about the time the vehicle reaches soft terrain. The minimum tire pressure is obtained by a minimum pressure valve which senses tire pressure as the tires are being deflated and stops deflation of the tires when the predetermined minimum pressure is sensed.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: May 2, 1989
    Assignee: Eaton Corporation
    Inventor: Gary R. Schultz
  • Patent number: D688882
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: September 3, 2013
    Assignee: Polymer Group, Inc.
    Inventors: Wayne Thomas Rhodes, Russell Glenn Tindall, Mark Lee Landreth, Paul Michael Harmon, Jerome Kenneth Reeves