Sealant In Plural Layers Or Plural Pockets Patents (Class 152/505)
-
Patent number: 10675922Abstract: A pneumatic vehicle tire having a self-sealing sealant arranged in its interior, on the inner surface opposite from the tread, the sealant being highly viscous and the sealant having such a tackiness that it adheres to the inner surface. The inner surface on which the sealant is arranged has regions provided with an adhesion-reducing effect, these regions provided with an adhesion-reducing effect taking up between 40% and 60% of the inner surface on which the sealant is arranged.Type: GrantFiled: January 2, 2018Date of Patent: June 9, 2020Assignee: Continental Reifen Deutschland GmbHInventors: Matthias Jacob, Oliver Schuermann
-
Patent number: 10618359Abstract: The invention relates to a pneumatic vehicle tyre with a sound-absorbing inner absorber (9) adhesively attached in its interior to the inner surface (7) opposite from the tread (1), wherein the inner absorber (9) adheres to an automatically sealing sealant (8), which at least immediately after being applied has the tackiness required for the adhesive attachment. In order not to influence the flow properties of the sealant disadvantageously and in order to ensure a reliable sealing effect of the sealant, a separating layer (10) is arranged between the sealant (8) and the inner absorber (9) and the separating layer (10) is made in such a way as to ensure a sufficient flowability of the sealant (8) for the sealing and a reliable adhesive attachment of the foam ring (9).Type: GrantFiled: November 11, 2015Date of Patent: April 14, 2020Assignee: Continental Reifen Deutschland GmbHInventors: Andreas Tyburski, Oliver Schürmann, Nermeen Nabih
-
Patent number: 10589478Abstract: A tire with a built-in puncture sealant comprising a supporting tire carcass comprised of one or more layers of ply, an outer circumferential tread, and a radially inner layer, a pair of beads, sidewalls extending radially inward from the axial outer edges of the tread portion to join the respective beads, a sealant comprising a butyl ionomer containing degradation product, disposed inwardly from said tire carcass inner layer, wherein said sealant provides self-sealing properties to the tire.Type: GrantFiled: January 8, 2016Date of Patent: March 17, 2020Assignee: Triangle Tyre Co. Ltd.Inventors: Ramendra Majumdar, Edward Montgomery, Lingbo Dong, Dapeng Wang
-
Patent number: 10414132Abstract: An elastomeric laminate is provided. The elastomeric laminate comprises a layer A consisting of a diene rubber composition, a layer B comprising a highly unsaturated diene elastomer B, n layers Ci arranged between the layer A and the layer B, n being an integer ?2, i being an integer ranging from 1 to n, the layer C1 being arranged between the layer A and the layer C2, the layer Cn being arranged between the layer B and the layer Cn?1, the layer Ci being arranged between the layer Ci?1 and the layer Ci+1 for values of i ranging from 2 to n?1 when n>2. Such a laminate has good resistance to separation of the layers which constitute it.Type: GrantFiled: November 23, 2015Date of Patent: September 17, 2019Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: José-Carlos Araujo Da Silva, Xavier Deparis, Baptiste Foglieni
-
Patent number: 9844982Abstract: A method for making a compartmentalized sealant strip and barrier assembly 10 has the steps of co-extruding a barrier strip 9 of non-sealant elastomeric material with a plurality of projecting linear extending walls 9c and a sealant strip 11 wherein the sealant strip 11 is formed on one side of the barrier strip 9 filling the space between the plurality of projecting walls 9c to form a plurality of linearly extending rows of sealant 11 across the transverse width of the co-extrusion to form the compartmentalized sealant strip and barrier assembly 10. The step of co-extruding may further include the step of: forming the projecting walls 9c on an inclined angle relative to a plane perpendicular to the width of the assembly 10.Type: GrantFiled: November 6, 2013Date of Patent: December 19, 2017Assignee: The Goodyear Tire & Rubber CompanyInventors: Michael Charles Ruegg, Jr., Ernest Wilford Looman, Jr., Donald Edward Helle, Patrick David Marks, Thomas Roy Fuhrig, Joseph Alan Incavo, James Earl Koerner, Terrence Lee Parsons, Charles Kenneth Schmalix, Warren James Busch, Timothy Patrick Lovell
-
Patent number: 9676234Abstract: The strip is formed of a single layer including a first layer arranged in a tire innermost layer or composite layers of the first layer and a second layer disposed adjacently to a carcass ply and made of a thermoplastic elastomer composition. The first layer is a thermoplastic elastomer composition containing a styrene-isobutylene-styrene block copolymer and a tackifier, a butyl-based rubber and a natural rubber. The strip has a strip main body having a thickness (T1) of 0.02 to 1.0 mm and ear portions formed on opposite sides of the strip main body. The ear portions have a thickness (T2) smaller than the thickness (T1) and a width (W2) of 0.5 mm to 5.0 mm.Type: GrantFiled: June 17, 2011Date of Patent: June 13, 2017Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Mutsuki Sugimoto
-
Patent number: 9421824Abstract: A pneumatic tire includes a reinforcing ply structure extending between a pair of bead portions, a pair of sidewalls, each sidewall located radially outward of one of the pair of bead portions, a tread radially outward from the reinforcing ply structure, a belt reinforcing structure located radially outward from the reinforcing ply structure and radially inward from the tread, and an innerliner structure extending along an inner surface of the reinforcing ply from a position adjacent one bead portion to a position adjacent the other bead portion. The innerliner structure includes multiple alternating layers of rubber compound and sealant.Type: GrantFiled: April 29, 2014Date of Patent: August 23, 2016Assignee: The Goodyear Tire & Rubber CompanyInventors: Carl Trevor Ross Pulford, Xiaoping Yang, Gary Robert Burg, Deep Samanta, Francois Philippe Depouhon, Laurent Roger Andre Dubos, Giorgio Agostini, Johanna Maria Galindo Alvarez
-
Patent number: 8962730Abstract: The present invention is directed to a self-healing rubber composition comprising a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a partitioned metal ion. The invention is further directed to a pneumatic tire comprising the self-healing rubber composition.Type: GrantFiled: November 27, 2012Date of Patent: February 24, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Christian Jean-Marie Kaes, Robert Fokko Roskamp
-
Patent number: 8877309Abstract: A self-repairing inflatable article including an inflatable component that includes an interior surface and an exterior surface, a sealed flexible package adjacent to the inflatable component, and a sealant composition disposed in the sealed flexible package. The sealed flexible package is configured to release the sealant composition upon puncture, tearing or other breach of the inflatable component.Type: GrantFiled: February 25, 2014Date of Patent: November 4, 2014Inventor: Carolyn M. Dry
-
Patent number: 8726955Abstract: A self-balancing pneumatic tire is provided having a built-in balancing gel system. In one embodiment, the tire, before cure, includes a green pneumatic tire assembly having an uncured tread defining an outermost layer; a first barrier layer; a second barrier layer situated adjacent the first barrier layer and intermediate the first barrier layer and the tread; and first and second gel precursors. The gel precursors are non-flowable prior to cure but flowable after cure. The gel precursors are respectively contained within spaced-apart first and second circumferential regions defined by confronting, non-contacting surfaces of the first barrier layer and the second barrier layer, each circumferential region further situated proximate opposing sidewalls of the tire and having a width of about 5 percent to about 25 percent of a final tread width obtained upon curing of the uncured tire assembly. In one example, the first and/or second barrier layers can be discontinuous.Type: GrantFiled: November 9, 2010Date of Patent: May 20, 2014Assignee: The Goodyear Tire & Rubber CompanyInventors: Ramendra Nath Majumdar, Giorgio Agostini
-
Patent number: 8685513Abstract: A self-repairing inflatable article including an inflatable component that includes an interior surface and an exterior surface, a sealed flexible package adjacent to the inflatable component, and a sealant composition disposed in the sealed flexible package. The sealed flexible package is configured to release the sealant composition upon puncture, tearing or other breach of the inflatable component.Type: GrantFiled: February 28, 2013Date of Patent: April 1, 2014Inventor: Carolyn M. Dry
-
Patent number: 8646501Abstract: A puncture sealant laminate for prevention of a flat tire may include three layers of sealant material separated by two layers of non-sealant material. The two layers of non-sealant material may prevent the three layers of sealant material from contacting each other and they may have first and second ends that attach to rubber in the tire that is not part of the puncture sealant laminate.Type: GrantFiled: November 11, 2010Date of Patent: February 11, 2014Assignee: The Goodyear Tire & Rubber CompanyInventor: Michael Charles Ruegg, Jr.
-
Patent number: 8617334Abstract: A method for making a compartmentalized sealant strip and barrier assembly 10 has the steps of co-extruding a barrier strip 9 of non-sealant elastomeric material with a plurality of projecting linear extending walls 9c and a sealant strip 11 wherein the sealant strip 11 is formed on one side of the barrier strip 9 filling the space between the plurality of projecting walls 9c to form a plurality of linearly extending rows of sealant 11 across the transverse width of the co-extrusion to form the compartmentalized sealant strip and barrier assembly 10.Type: GrantFiled: September 12, 2011Date of Patent: December 31, 2013Assignee: The Goodyear Tire & Rubber CompanyInventors: Michael Charles Ruegg, Jr., Ernest Wilford Looman, Jr., Donald Edward Helle, Patrick David Marks, Thomas Roy Fuhrig, Joseph Alan Incavo, James Earl Koerner, Terrence Lee Parsons, Charles Kenneth Schmalix, Warren James Busch, Timothy Patrick Lovell
-
Patent number: 8430143Abstract: A pneumatic tire including a sealant layer formed from a sealant fluid having adhesive properties that is provided on a tire inner circumferential surface corresponding with a tread portion; and a sound absorbing layer formed from a porous material that is provided via a barrier layer impermeable to the sealant fluid on an inner circumferential surface of the sealant layer; wherein a width W1 of the sound absorbing layer in a tire width direction is from 50 to 90% of a width W2 of the sealant layer in the tire width direction.Type: GrantFiled: June 1, 2010Date of Patent: April 30, 2013Assignee: The Yokohama Rubber Co., Ltd.Inventor: Atsushi Tanno
-
Patent number: 8387672Abstract: The present invention is directed to a pneumatic tire with a built-in sealant layer composite where the composite is composed of polyurethane with a thin layer of at least one of particulate filler, short fibers and non-woven microfiber. In one embodiment, said polyurethane sealant composite is comprised of a plurality of circumferentially extending layers comprised of a first polyurethane sealant layer, a second polyurethane sealant layer and a thin layer of polyurethane sealant-containing non-woven microfiber positioned between said first and second polyurethane layers. In another embodiment, said polyurethane sealant is a composite comprised of a polyurethane sealant layer containing a thin layer of at least one of particulate filler and short fibers.Type: GrantFiled: March 18, 2010Date of Patent: March 5, 2013Assignee: The Goodyear Tire & Rubber CompanyInventor: Ramendra Nath Majumdar
-
Patent number: 8240349Abstract: Flexible enclosure comprising a working strip 2 and sidewalls 3, defining an envelope, and a sealing membrane 11 at least partially lining the envelope. The sealing membrane 11 is comprised of an elastic material 14 and a perforation-resistant reinforcement 15, the sealing membrane 11 being free with regard to the working strip 2 and attached to an opposite edge remote to the working strip 2.Type: GrantFiled: May 30, 2007Date of Patent: August 14, 2012Inventor: Robert Georges Boulain
-
Patent number: 8221573Abstract: A method and apparatus for making a preassembly of built in sealant useful in tire manufacturing. The method of making the preassembled sealant includes extruding a center strip and at least two axially outer strips of a sealant onto a first conveyor belt; wherein the center strip and the axially outer strips are in a side by side adjacent relationship. Conveying the center strip onto a second conveyor while the axially outer strips are conveyed on the first conveyor belt towards the end of the belt, wherein the center strip has two outer edges, wherein a divider strip is applied to each other edge in a continuous manner, wherein the center strip is then conveyed onto the axially outer strips and then stitched together forming a preassembled component.Type: GrantFiled: October 2, 2008Date of Patent: July 17, 2012Assignee: The Goodyear Tire & Rubber CompanyInventor: Robert Albert Lammlein, Jr.
-
Publication number: 20120118464Abstract: A puncture sealant laminate for prevention of a flat tire may include three layers of sealant material separated by two layers of non-sealant material. The two layers of non-sealant material may prevent the three layers of sealant material from contacting each other and they may have first and second ends that attach to rubber in the tire that is not part of the puncture sealant laminate.Type: ApplicationFiled: November 11, 2010Publication date: May 17, 2012Inventor: Michael Charles Ruegg, JR.
-
Patent number: 8156979Abstract: The present invention relates to a pneumatic tire which contains a built-in zoned puncture sealant layer. The zoned puncture sealant layer is comprised of organoperoxide depolymerized butyl rubber zones comprised of a central primary zone and lateral zones joined together to form a unitary sealant layer. The sealant of the lateral zones of the sealant layer is of a higher storage modulus (G?) than the sealant of the central zone.Type: GrantFiled: November 19, 2007Date of Patent: April 17, 2012Inventors: Joseph Alan Incavo, Thomas Roy Fuhrig, Warren James Busch, Patrick David Marks
-
Patent number: 7959849Abstract: Method of applying a layer of material (25, 26) to the inner wall of a cycle tyre (20) in the form of a torus, with an inner wall (28) and an outer wall (29) and having a crown (22) extended by two sidewalls (21), two beads (23a, 23b) and two bead wires (30a, 30b) placed in said beads, said tyre having a given nominal inflation pressure, which comprises the following steps: the tyre (20) is turned inside-out so as to bring the inner wall (28) to the outside of the torus and the outer wall (29) to the inside of the torus; the outer torus wall (29) of the tyre is extended by applying an internal inflation pressure to said outer wall (29) above the nominal inflation pressure of said tyre; the layer of material (25, 26) is applied to the inner wall (28) of the tyre (20); and the tyre (20) is turned inside-out so as to bring the inner wall (28) and the outer wall (29) back into their initial positions.Type: GrantFiled: June 19, 2008Date of Patent: June 14, 2011Assignees: Societe de Technologie Michelin, Michelin Recherche et Technique, S.A.Inventors: José Merino Lopez, Luc Bestgen, Frédéric Pialot
-
Publication number: 20090266464Abstract: Flexible enclosure comprising a working strip 2 and sidewalls 3, defining an envelope, and a sealing membrane 11 at least partially lining the envelope. The sealing membrane 11 is comprised of an elastic material 14 and a perforation-resistant reinforcement 15, the sealing membrane 11 being free with regard to the working strip 2 and attached to an opposite edge remote to the working strip 2.Type: ApplicationFiled: May 30, 2007Publication date: October 29, 2009Inventor: Robert Georges Boulain
-
Patent number: 7607466Abstract: A self-sealing tire includes a tire body, a partition wall, and a sealant that is adapted to seal a puncture in the tire body. The tire body includes an outer circumferential wall that contacts the ground, a first side wall and a second side wall that extend from the outer circumferential wall. The partition wall is provided between the first side wall and the second side wall and defines a partitioned space between the outer circumferential wall, the first side wall, the second side wall and the partition wall. The sealant is filled in the partitioned space. The partition wall includes a partition membrane, and dividing projections that are protruded from the partition membrane. Air is exhausted from the partitioned space and the sealant is filled into the partitioned space.Type: GrantFiled: October 27, 2006Date of Patent: October 27, 2009Inventors: Daniel Kim, Alex Kim
-
Patent number: 7588064Abstract: A pneumatic tire having a puncture preventive layer formed by windingly sticking a tube having seal material wrapped therein to the tire inner surface circumferentially of the tire and continuously and spirally with its side surfaces closely contacted each other: or a pneumatic tire having a puncture preventive layer formed by sticking micro balloons having seal material wrapped therein to the tire inner surface with their sides closely contacted with each other.Type: GrantFiled: January 27, 2006Date of Patent: September 15, 2009Assignees: The Yokoham Rubber Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventor: Eiji Saito
-
Publication number: 20080142140Abstract: A method and apparatus for making a tire with a built in sealant is provided. The method includes the steps of mounting an inner liner onto a tire building drum, extruding a sealant composition into strips having tapered sidewalls, cutting the strip to a desired length, mounting the sealant over the inner liner in two or more zones, wherein each zone is separated by a circumferential divider which joins the inner liner to the a cover layer forming a barrier to prevent migration of the sealant from one zone to another.Type: ApplicationFiled: December 15, 2006Publication date: June 19, 2008Inventors: Patrick David Marks, Thomas Roy Fuhrig, Joseph Alan Incavo, James Earl Koerner, Terrence Lee Parsons, Charles Kenneth Schmalix, Paul Keyser Blackiston, Warren James Busch, Timothy Patrick Lovell
-
Publication number: 20080099119Abstract: A self-sealing tire includes a tire body, a partition wall, and a sealant that is adapted to seal a puncture in the tire body. The tire body includes an outer circumferential wall that contacts the ground, a first side wall and a second side wall that extend from the outer circumferential wall. The partition wall is provided between the first side wall and the second side wall and defines a partitioned space between the outer circumferential wall, the first side wall, the second side wall and the partition wall. The sealant is filled in the partitioned space. The partition wall includes a partition membrane, and dividing projections that are protruded from the partition membrane. Air is exhausted from the partitioned space and the sealant is filled into the partitioned space.Type: ApplicationFiled: October 27, 2006Publication date: May 1, 2008Inventors: Daniel Kim, Alex Kim
-
Patent number: 7040364Abstract: A pneumatic tire, comprising adhesive sealant applied onto the inner surface thereof, wherein an air barrier membrane is disposed on the inner surface of the tire at least at a tread part, a space part is formed between the air barrier membrane and the inner surface of the tire, and the adhesive sealant is stacked on the space part side surface of the air barrier membrane, whereby an increase in weight can be minimized and a workability in handling the tire can be increased.Type: GrantFiled: September 26, 2002Date of Patent: May 9, 2006Assignees: The Yokohama Rubber Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Issei Nakakita, Mitsuru Naito, Takashi Fukutomi
-
Patent number: 7037395Abstract: A pneumatic tire having a puncture preventive layer formed by windingly sticking a tube having seal material wrapped therein to the tire inner surface circumferentially of the tire and continuously and spirally with its side surfaces closely contacted each other: or a pneumatic tire having a puncture preventive layer formed by sticking micro balloons having seal material wrapped therein to the tire inner surface with their sides closely contacted with each other.Type: GrantFiled: May 31, 2002Date of Patent: May 2, 2006Assignees: The Yokohama Rubber Co.,Ltd., Honda Giken Kogyo Kabushiki KaishaInventor: Eiji Saito
-
Patent number: 6915826Abstract: A pneumatic tire has a puncture sealing layer radially inward of the tire carcass layer. The puncture sealing layer is formed by co-extruding a sealant material and an skin compound.Type: GrantFiled: December 6, 2002Date of Patent: July 12, 2005Assignee: The Goodyear Tire & Rubber CompanyInventors: David Charles Poling, Susan Lynn Deevers, Samuel Patrick Landers
-
Publication number: 20040149366Abstract: This invention relates to a tubeless tire capable of obtaining a sufficient sealing property even if application amount of a sealant agent is lessened. Tubeless tire 1 of this invention includes sealant layer 4 formed of the sealant agent so as to adhere firmly to the inside of inner liner layer 3 that keeps the inside of the tire airtightly. And cover layer 5 formed of the elastic body with high permeability adheres firmly to the inside of the sealant layer 4.Type: ApplicationFiled: June 11, 2003Publication date: August 5, 2004Inventors: Satoshi Makino, Takayuki Toyoshima, Koji Watanabe, Takumi Sekiguchi, Takashi Fukutomi, Yoichi Yamaguchi, Mitsuru Naito
-
Publication number: 20040074579Abstract: A pneumatic tire, comprising adhesive sealant applied onto the inner surface thereof, wherein an air barrier membrane is disposed on the inner surface of the tire at least at a tread part, a space part is formed between the air barrier membrane and the inner surface of the tire, and the adhesive sealant is stacked on the space part side surface of the air barrier membrane, whereby an increase in weight can be minimized and a workability in handling the tire can be increased.Type: ApplicationFiled: August 20, 2003Publication date: April 22, 2004Inventors: Issei Nakakita, Mitsuru Naito, Takashi Fukutomi
-
Publication number: 20030155058Abstract: A pneumatic tire having a puncture preventive layer formed by windingly sticking a tube having seal material wrapped therein to the tire inner surface circumferentially of the tire and continuously and spirally with its side surfaces closely contacted each other: or a pneumatic tire having a puncture preventive layer formed by sticking micro balloons having seal material wrapped therein to the tire inner surface with their sides closely contacted with each other.Type: ApplicationFiled: March 3, 2003Publication date: August 21, 2003Inventor: Eiji Saito
-
Patent number: 5977196Abstract: A sealer and inflator composition, particularly for inflating tires. The composition comprises: a sealant; a non-flammable propellant/inflator having an ozone depletion potential of zero; and a vapor pressure depressant which may be either hydrocarbon diethers of 3 to 6 carbon atoms, hydroxyketones of 3 to 6 carbon atoms, or mixtures thereof.Type: GrantFiled: December 15, 1998Date of Patent: November 2, 1999Assignee: Gold Eagle Co.Inventor: Robert T. Wicks
-
Patent number: 4978563Abstract: The invention refers to an elastic body by synthetic material or rubber which is equipped with tube like hollow spaces in which capsules, containing a foam creating liquid, are arranged. At an explosion or other outer pressure influence the capsules will break and the liquid (foam) will fill up the hollow spaces and will get stiff to an elastic foam. The invention can be used for example manufacturing of tires.Type: GrantFiled: February 7, 1989Date of Patent: December 18, 1990Inventor: Claes M. C. Sandels
-
Patent number: 4966213Abstract: A pneumatic tire is disclosed, which comprises a carcass ply, two vulcanized rubber composition layers arranged radially inside the carcass ply, and a continuous layer of a sealing material arranged between the two vulcanized rubber composition layers. The sealing material has a viscosity of not more than 6.times.10.sup.4 poises at 60.degree. C. Bonding portions are formed through the continuous layer, and discontinuously bond two vulcanized rubber composition layers.Type: GrantFiled: February 14, 1989Date of Patent: October 30, 1990Assignee: Bridgestone CorporationInventors: Yasuyoshi Kawaguchi, Masayuki Ohashi, Hikaru Tansei
-
Patent number: 4816101Abstract: A process is disclosed for extruding a flat strip of uniformly thick sealant stock from an extruder which extrudes the sealant stock with a rotary helical action. The stock consists essentially of a vulcanizable mixture of a high molecular weight (mol wt) elastomer, a low mol wt elastomer, a curing agent and a processing aid selected from a tackifier and a homogenizer. The strip is less than about 10 mm thick, and at least 10 times as wide as it is thick. The stock does not flow and cannot be poured even at 212.degree. F. The stock is supplied to the extruder by a reciprocating pump which maintains an intermittent pressure yet provides the required uniform thickness of strip. Each component of the stock strongly adheres to any surface, to all metal surfaces and to each other, making it difficult to obtain a homogeneous mixture.Type: GrantFiled: August 27, 1987Date of Patent: March 28, 1989Assignee: The Uniroyal Goodrich Tire CompanyInventors: Sung W. Hong, Gilles J. Page