Patents Examined by Enoch Peavey
  • Patent number: 7131648
    Abstract: A seal assembly adapted for use in creating a seal between an axially extending shaft and a support member. The seal assembly defines an axial passage through which the shaft extends, wherein a bearing assembly is mounted to the support member and includes a stationary outer race and an inner race which rotates along with the shaft. The seal assembly includes a rigid ring defining an axial passage through which the shaft extends and a resilient material carried by the ring. The resilient material defines an inner sealing section adapted to engage the shaft and an outer sealing section located radially outwardly of the inner sealing section and adapted to engage an outer sealing surface associated with the support member.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: November 7, 2006
    Assignee: Trostel, Ltd.
    Inventors: Richard E. Peterson, Jr., Merrill Karcher
  • Patent number: 7086651
    Abstract: The invention relates to the application of a projection to a metal layer of a metallic cylinder-head gasket for an internal-combustion engine having at least one elastic metal sheet, which is provided with one opening or a plurality of adjacent openings depending on the number of combustion chambers of the internal-combustion engine, a bead being provided in the at least one elastic metal sheet around each opening, at a distance from the latter, so that a straight section of sheet metal is left clear in the region of the edge of the opening, for which bead a spring travel limiter or stopper, which runs coaxially with respect to the bead and is formed by the projection, is provided, the projection being produced from a mixture which contains a plastic with a high mineral filler content. A mixture of an elastomer in particular with a filler which has been surface-treated by means of a silane is used.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: August 8, 2006
    Assignee: ElringKlinger AG
    Inventors: Hans-Rainer Zerfass, Viktor Winkovic
  • Patent number: 7073795
    Abstract: A metallic gasket having a first seal line SL1 arranged in a manner to encircle the peripheral edge of an exhaust gas hole 3, a second seal line SL2 arranged along the outer peripheral edge of a base plate 2, and full beads 6, 7 formed each in a convex cross-section by bending the base plate 2 along both seal lines. Elastic sealing material 8 to 11, the height of which is substantially equal to the height of a convex portion of the beads, are fixed to the convex portion and a flat surface continuous to the convex portion. The elastic sealing material on the flat surface is so arranged as to cover up to the opening mouth position of the exhaust gas hole 3 or a peripheral edge position of the base plate 2 and, furthermore, elastic material parts 12, 13 are filled in a concave portion of the bead on the reverse side of the convex portion. This structure of the gasket leads to cost reduction and enables the gasket to maintain a stable sealing performance for a long period of time.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: July 11, 2006
    Assignee: Japan Metal Gasket Co., Ltd.
    Inventors: Kosaku Ueta, Hideo Watanabe
  • Patent number: 7070186
    Abstract: A flanged boot having a rolling bearing interface suitable for connection to two mechanical components which are movable with respect to each other, in terms of both rotational and axial movements. The flanged boot has a first annular flange at one end and a second annular at the other end. A rolling bearing, such as for example a roller (needle) or ball bearing, is press-fit onto a suitably configured structure of a first mechanical component. One of the first and second annular flanges is interfaced sealingly with respect to the rolling bearing. The other of the first and second annular flanges is sealingly connected to a second mechanical component. Either of the first or second mechanical components may be considered to be moving relative to the other.
    Type: Grant
    Filed: June 19, 2003
    Date of Patent: July 4, 2006
    Assignee: General Motors Corporation
    Inventor: Steve W. Creek
  • Patent number: 7063330
    Abstract: A spherical annular seal member 55 has a cylindrical inner surface 52 defining a through hole 51 in a central portion thereof, an outer surface 53 formed in the shape of a partially convex spherical surface, and an annular end face 54 on a large-diameter side of the outer surface 53. In its inner portion extending from the cylindrical inner surface 52 to the outer surface 53 formed in the shape of the partially convex spherical surface, the spherical annular seal member 55 has a reinforcing member 6 made from a compressed metal wire net 5, as well as a heat-resistant material, which contains expanded graphite, phosphorus pentoxide, and a phosphate, fills meshes of the metal wire net 5 of the reinforcing member 6, and is compressed in such a manner as to be formed integrally with the reinforcing member 6 in mixed form.
    Type: Grant
    Filed: October 8, 2003
    Date of Patent: June 20, 2006
    Assignee: Oiles Corporation
    Inventors: Shuichi Kubota, Yoshikazu Sakairi, Toshihiko Shimura, Kouhei Kurose
  • Patent number: 7036826
    Abstract: A continuous extrusion molding system for continuously extrusion molding a weather strip for an automobile includes a prickly gear, rotatable while pressed in contact with the weather strip being extruded, and disposed so as to be adjacent to a mouth piece of an extruder. Tiny holes having a depth reaching a core bar are defined preferably in a groove bottom of a U-like shape of a part of a slightly foamed solid rubber portion, in such a way as to be arranged in line along the longitudinal direction of the weather strip by use of the prickly gear.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: May 2, 2006
    Assignee: Nishikawa Rubber Co., Ltd.
    Inventor: Noboru Sakuma
  • Patent number: 7014193
    Abstract: A gasket with selectively positioned seal enhancement zones located in the web of the gasket is provided. The gasket is formed of a base sheet of gasket material cut to define an interior aperture bounded by an interior edge and webs. Slots are formed at selected locations within the seal enhancement zones and the slots are bounded by edges. An edge coating of polymeric material is applied to the slot edges and, in one embodiment, project beyond the facial planes of the base sheet to form raised rims. An edge coating also may be formed on the interior edge bounding the aperture of the gasket. When clamped between a pair of flange surfaces, the polymeric edge coatings on the slot edges engage and seal against the flange surfaces within the seal enhancement zones to provide an enhanced seal against leakage in these zones.
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: March 21, 2006
    Assignee: Interface Solutions, Inc.
    Inventor: John S. Forry
  • Patent number: 7011315
    Abstract: The present invention is directed to an expandable pre-formed plug that is suitable for sealing and/or structurally reinforcing a structure having surfaces defining a space therebetween. The plug is comprised of at least an expandable inner core having an outer surface and a transportable outer skin that preferably substantially encapsulates the core. In a preferred embodiment, the shape of the unexpanded plug is designed to mate with the surfaces that define a space therebetween upon expansion. The adhesive skin is generally dry to the touch at room temperature, however, upon initiation of expansion, the inner core expands and the surrounding skin is displaced in a coordinated manner. After some period of expansion, the outer skin preferably durably adheres or bonds to the walls of the surfaces defining a space therebetween and the outer surface of the core. A method for using such a plug is also disclosed.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: March 14, 2006
    Assignee: L&L Products, Inc.
    Inventors: Michael J. Czaplicki, David D. Apfel
  • Patent number: 7011312
    Abstract: To provide a novel gland packing and a sealing apparatus comprising this, wherein the gland packing displays high and stable sealability for a stem and an inner wall surface of a stuffing box even for uses further requesting the movability (rotation and reciprocating movement), and further, gives excellent effects, such as decrease of moving resistance of a stem, shape stability, adaptability to a corroded and worn-out stem and stuffing box, function for receiving shafts, easiness of equipment, simplification of sealing structure, and compactness of a sealing apparatus.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: March 14, 2006
    Assignee: Nippon Valqua Industries, Ltd.
    Inventor: Makoto Ishida
  • Patent number: 6991237
    Abstract: A system for sealing a plurality of panels including a multiplayer seal having a barrier portion and an adhesion portion.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: January 31, 2006
    Assignee: L & L Products, Inc.
    Inventors: Abraham Kassa, Renee Bradley
  • Patent number: 6979001
    Abstract: A wheel bearing includes a sealing device 5 positioned between inner and outer members 1 and 2. This sealing device 5 includes an elastic member 14, which eventually forms an encoder grid and is provided on a first annular sealing plate 11. A second annular sealing plate 12 is provided with sealing lips 16a to 16c. An engagement 18 between a cylindrical wall 11a of the first annular sealing plate 11 and the inner member 1 is provided with an elastic member 20 made of a material dissimilar to that for the elastic material 14. This elastic member 20 may be a rubber coated layer, resin paint layer, a thin film of adhesive material or a ring-shaped rubber member. Thereby, any possible ingress of water across an engagement surface of the annular sealing plate is prevented, accompanied by increase of the lifetime of the bearing, with no problem associated with separation and displacement of the annular sealing plates. The magnetic flux density can also be easily secured.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: December 27, 2005
    Assignee: NTN Corporation
    Inventors: Hisashi Ohtsuki, Takayuki Norimatsu, Eiji Funahashi, Koji Kametaka, Motoharu Niki, Katsumi Sugiyama, Kenro Adachi
  • Patent number: 6971651
    Abstract: In a multi-chamber device a chamber with lubricant is sealed off on a rotationally drivable component from a second chamber at a peg of a power tool, by at least one seal sliding at a contact face, and least one stationary component is provided in the chamber with lubricant before the contact face and surrounds a rotationally drivable component at least over a region of a circumference to substantially prevent turbulence in the lubricant in a region of the contact face.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: December 6, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Karl Frauhammer, Heinz Scherring, Joerg Friedrich, Andreas Strasser, Karsten Blair
  • Patent number: 6966558
    Abstract: A sealing device for a rolling bearing includes: a seal mounting groove formed to a shoulder of a raceway groove of a fixed ring; a circumferential step formed to a shoulder of the raceway groove of the rotational ring; and an annular resilient sealing member fit into the seal mounting groove, a sealing lip of the sealing member being brought into contact with a lateral surface of the circumferential step. The sealing member includes a fluoro resin and 10-60 parts by weight of a filler based on 100 parts by weight of the fluoro resin, and the filler includes a first filler having a Mohs hardness of 6 or more and 8 or less in amount of 25%-75% by weight or less of the filler, and a second filler having a Mohs hardness of less than 6 as the remaining portion.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: November 22, 2005
    Assignee: Koyo Seiko Co., Ltd.
    Inventors: Yukitoshi Murakami, Yoshitaka Nakagawa
  • Patent number: 6962346
    Abstract: A heat shield and gasket assembly has three members including a first heat shield, a second heat shield, and a gasket. Each of the members has a flange portion and the flange portion of the gasket is sandwiched between the flanges of the two heat shields. The flange portion of the gasket is thinner than the flange portions of the heat shields. The thinness of the gasket flange permits it to engage threaded assembly fasteners without compromising the thread integrity of the fasteners.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: November 8, 2005
    Assignees: General Motors Corporation, Metex Corporation
    Inventors: Douglas M. Kerchner, Kurry B Emmons, Lawrence J Brophy, Robert Lee Anderson
  • Patent number: 6962350
    Abstract: An insertable wear strip assembly is dimensioned for insertion into an associated cavity of an associated weatherseal. The wear strip assembly includes a generally U-shaped base portion having a base wall, and first and second sidewalls extending from the base wall for receiving the window glass. First and second compliant thin wall regions extend outwardly from the first and second sidewalls, respectively, for low friction, sliding engagement with the window glass. Optionally, the insertable wear strip is secured to the weatherseal via fasteners.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: November 8, 2005
    Assignee: Cooper-Standard Automotive Inc.
    Inventors: David Harold Berry, John David Mullett, Don Kelvin Wallace
  • Patent number: 6962345
    Abstract: A gasket includes an intermediate layer having resilient sealing beads flanked by stopper beads. The three-layer gasket, particularly designed for heavy duty racing engines, provides a relatively robust cross-section in web-areas between cylinder bore apertures. A thin bottom layer includes wrap-around flanged portions extending about cylinder bore edges of the intermediate layer to partially overlap cylinder bore aperture areas of that layer. The flanged portions include a plurality of waves to increase forces to generate the seal. A thin top layer overlies the intermediate layer, as well as the overlapping portions of the bottom layer. In one described embodiment, the overlapping portions are limited to cylinder bore edges between cylinder bores. As a between-engine-overhaul indication of engine health, the top gasket layer is adapted via plastic deformation to form a permanent indentation in an aluminum cylinder head to signal excessive engine operation.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: November 8, 2005
    Assignee: Dana Corporation
    Inventors: Josefino T. Inciong, William A. Johnson
  • Patent number: 6962351
    Abstract: A ball and socket joint assembly having a cylindrical sealing cap (1) housing (6, 6A) connected to the external case (4) of the joint assembly. The housing (6, 6A) may be comprised of plastic, aluminum, rubber, or other malleable material. The housing (6, 6A) has a ring shape, with a groove molded into the housing's external surface for receiving the larger diameter end of a sealing cap (1), the smaller diameter end of the sealing cap (1) is directly attached to the shaft of the ball and socket joint's spherical pin (2). The preferred embodiment of the housing (6) has a general “L” shape, and an alternative embodiment (6A) has a more linear shape. The sealing cap (1) ensures that the ball and socket are not contaminated during operation of the joint assembly. The ball and socket joint of the invention is primarily designed for motor vehicle applications, specifically, in automotive steering and suspension systems.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: November 8, 2005
    Assignee: Dana Corporation
    Inventor: Ademilson Vlademir De Freitas
  • Patent number: 6962349
    Abstract: A flat gasket for flange connections has a leakage rate below the limit value of 1*10?5 kPa*1/(s*m). The gasket assembly has a thick, areal, pressure-resistant core formed from at least one layer of graphite foil with a base weight of at most 1500 g/m2, or a multilayer sandwich of such graphite foils and metal interlayers. The core is embedded between two metal foils, and the surfaces that are remote from the core are covered by covering layers of graphite foil with a base weight of at most 350 g/m2. A ratio of the base weight of the graphite foil of the covering layers to the base weight of the graphite foil of the core lies between 1:3 and 1:7.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: November 8, 2005
    Assignee: SGL Carbon AG
    Inventors: Wolfgang Notter, Alois Baumann, Oswin Öttinger, Heiko Leinfelder, Martin Reinthaler, Silvia Mechen, Jürgen Bacher
  • Patent number: 6962338
    Abstract: The invention provides a hermetic seal and a method of making a hermetic seal having the steps of providing a first member of a first material having a flange thereon, providing a second member of a second material having a slot thereon for accommodating the flange in said slot such that there is a gap between the slot and the flange, providing a sealant in the slot, and heating the sealant such that the sealant fills at least a portion of the gap between the flange and the slot for forming a hermetic seal therebetween. Advantageously, the slot and flange design of the inventive hermetic seal produces a three-dimensional compressive state of stress thereby providing a joint design of improved reliability.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: November 8, 2005
    Assignee: JDS Uniphase Inc.
    Inventor: Abdul Jaleel K. Moidu
  • Patent number: 6962340
    Abstract: A primary technical goal of the present invention is to improve the durability and the seal performance of a cup gasket for a mechanical seal device which retains a seal ring. The mechanical seal device disposes a cup gasket made of a resilient rubber material between the mounting surface of the first seal ring and the step shoulder installation surface in which the cup gasket retains a support plate in an integral manner and the support face of the support plate facing opposite relative to and in approximately parallel with the mounting surface of the seal ring.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: November 8, 2005
    Assignee: Eagle Industry Co., Ltd.
    Inventor: Hideki Maruyama