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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7789397 | Metallic seal An annular, axial seal having a linear section having opposite ends, a first side in a first plane and an opposite second side in a second plane wherein the second plane is parallel to the first plane and a curled section contiguous with one of the ends of the linea... | 09/07/2010 |
| 7401791 | Gasket with locking lugs A pipe gasket includes a toroidal gasket body and projections extending away from a peripheral surface of the gasket body. The gasket body is configured to allow the gasket body to roll along a spigot end of a first pipe as the spigot end is received inside a bell e... | 07/22/2008 |
| 7331582 | Gasket An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded wit... | 02/19/2008 |
| 7261488 | Ball socket ring seal A ball socket ring seal for use with a ball joint assembly eliminates the need for a boot or bellows to protect the ball joint against the environment. The ball socket ring seal of the invention is positioned between the ball and the socket at the point of contact b... | 08/28/2007 |
| 7222643 | Internal post flow control A flow control including an annular flexible member and an internal post disposed downstream of the flexible member is described. The annular flexible member has a deflectable inner edge that defines a passage channel and the annular flexible member and internal pos... | 05/29/2007 |
| 7201381 | Metallic seal The present invention is directed to a resilient, annular, metallic seal member having a generally “j” shaped cross-section. The annular, metallic seal member includes a first end portion having a first distal end, a generally curled second end portion that exte... | 04/10/2007 |
| 7140618 | Socket with dual-functional composite gasket A gasketed pipe joint including a dual-functional, composite gasket, which in addition to forming a seal between a pipe bell and a spigot provides a molding surface for forming a bent retainer in the hub of the pipe or fitting. The dual-functional composite gasket c... | 11/28/2006 |
| 7137756 | Fluid-tight bell-and-spigot-joint for box culverts A box culvert and gasket assembly is provided that enables fluid-tight bell-and spigot joints to be formed between abutting ends of box culverts. The joints according to the assembly of the present invention can remain fluid-tight up to at least 13 psi of water pres... | 11/21/2006 |
| 7134911 | Keyed electrical connector with sealing boot A seal for an electrical connector in a connector block having a connector channel with a keyway is provided. The seal includes a tubular body that defines a longitudinal axis therethrough. The body includes a forward portion defining a forward end and a rearward po... | 11/14/2006 |
| 7098401 | Grommet with reduced insertion force A grommet fits around a wire harness and seats within and passes through an opening in a vehicle panel. The grommet has an internal tube section for snugly receiving the harness. At a first end of the grommet, a flange section is sized to seal against one side of th... | 08/29/2006 |
| 7086652 | Molded seal A closed end of a one piece flexible elastomeric seal is mounted in one end of a tubular liquid concrete tight frame that is mounted on a removable door of one wall of a concrete wall mold, the other open end of the flexible seal is in liquid concrete tight sealing ... | 08/08/2006 |
| 7028972 | Gasket and mandrel assembly for pipe joints A gasket and mandrel assembly, including a gasket having an annular main body portion with an anchor flange and a pipe sealing portion. The gasket is foldable between a folded position in which the pipe sealing portion is disposed substantially within the main body ... | 04/18/2006 |
| 6983940 | Metallic seal The present invention is directed to a resilient, annular, metallic seal member having a generally “j” shaped cross-section. The annular, metallic seal member includes a first end portion having a first distal end, a generally curled second end portion that exte... | 01/10/2006 |
| 6948718 | Gasket An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded wit... | 09/27/2005 |
| 6942221 | Seal having gaps A sealed flange includes a seal (203 or 901) and a flange (201 or 801). The outer perimeter of a flange (201 or 801) has tabs (303 or 803) interspaced with notches (601 or 805). The outer perimete... | 09/13/2005 |
| 6905125 | Metal gasket An annular-shaped metal gasket, which can reduce a tightening force necessary to a seal and easily manage the manufacturability and the characteristics thereof, the metal gasket, in an annular-shaped metal gasket having a cross section provided with an outer circumf... | 06/14/2005 |
| 6769698 | Seal ring and seal structure at flange joint used for composite tanks and pipes The object of this invention is to provide a structure of seal ring, and seal structure using the seal ring for flange joints of composite tanks and pipes, that prevents seal surface variations due to differences in thermal contraction between the seal ring and the ... | 08/03/2004 |
| 6719294 | Bathroom fixture gasket apparatus and method A gasket assembly includes an upper housing forming a seal with the outlet of a bathroom fixture, and a lower housing forming a seal with a sewer pipe. The lower housing has an outer surface extending along an axis and a toroidal gasket disposed in sealing relations... | 04/13/2004 |
| 6719302 | Symmetrical gasket for a pipe joint with increased surface contact A gasket for a pipe joint includes an annular gasket body which is symmetrical around an axial centerline and is therefore insensitive to axial orientation. The gasket is formed of a resilient material and includes a base adapted to sealingly engage an annular groov... | 04/13/2004 |
| 6702299 | Closure structure with a plug A closure includes an object to be closed. The object having an opening hole, a plug member to be inserted into the opening hole, and a seal member disposed on the plug member. The seal member is formed of a ring-shaped elastic member and contacts the obj... | 03/09/2004 |
| 6691975 | Concrete tank seal cast A closed end of a one piece flexible elastomeric seal is mounted in one end of a tubular liquid concrete tight frame that is mounted on a removable door of one wall of a concrete wall mold, the other open end of the flexible seal is in liquid concrete tig... | 02/17/2004 |
| 6688608 | Ring seal The improved ring seal includes an annularly shaped body element having a radial inner surface, a radial outer surface, a first axial end surface and a second axial end surface. The ring seal also includes a plurality of bores which project radially inwar... | 02/10/2004 |
| 6568691 | Method and apparatus for forming cast members having embedded boot type gaskets A molded annular gasket is placed upon a mandrel for embedment of its annular-shaped embedment portion within an opening in a cast member. After the cast member has been cured and removed from a molding assembly, including the mandrel, the pipe attachment... | 05/27/2003 |
| 6460860 | Pipe seal for cast concrete A tubular wall sealed at a first end by an integrally molded annular wall, forming a cap, is cast in the concrete wall of a low pressure vessel, forming a sealed cavity in the concrete. One end of a rubber tubular gland wrapped sealingly around the outsid... | 10/08/2002 |
| 6457718 | Method of forming a pipe joint between metal pipes using an extensible gasket A pipe gasket and a method of forming a pipe joint between a metal spigot pipe and metal belled pipe. The gasket has three regions to facilitate a seal. A seal region forms the primary seal within the groove of the belled pipe. A sleeve region extending f... | 10/01/2002 |
| 6378915 | Pipe coupling A pipe coupling includes a body member (10) formed with a bore (11) for receiving one end of a pipe (P) to be coupled; a sealing ring (20) and a compression sleeve (30) receivable within the bore (11); a radially-deformable gripping ring (40) having one e... | 04/30/2002 |
| 6371530 | Tube joint A tube joint comprises: a pushing ring provided at its outer periphery with a projection and fitted to an outer periphery of one end of a joint tube; a tube or a joint body provided at is side opposed to the pushing ring with a projection opposed to the p... | 04/16/2002 |
| 6357760 | Ring seal The improved ring seal includes an annularly shaped body element having a radial inner surface, a radial outer surface, a first axial end surface and a second axial end surface. The ring seal also includes a plurality of bores which project radially inwar... | 03/19/2002 |
| 6325389 | Self sealing fluid duct/fitting connector A unique fluid pipe/duct coupling/fitting having flexible arcuate pliable and deformable gaskets such as an O-ring providing the seal between an OD pipe and the ID coupling or fitting and an uncouple retard structure for promoting the insertion of the tub... | 12/04/2001 |
| 6299176 | Dual purpose low insertion force gasket A pipe sealing gasket is shown which is designed to be received within a groove provided within a socket end of a thermoplastic pipe. The gasket includes a ring shaped body which, when viewed in cross-section includes a leading nose region and a radially ... | 10/09/2001 |
| 6105972 | Pipe gasket with improved low insertion geometry A pipe sealing gasket is shown which is designed to be received within a groove provided within a socket end of a thermoplastic pipe. The gasket includes a ring shaped body which, when viewed in cross-section includes a leading nose region and a lower com... | 08/22/2000 |
| 6082741 | Resilient pipe gasket A resilient gasket is disclosed for providing a seal between corrugated pipes having a plurality of concentric ribs on their outer surfaces, such as drain and sewer pipes to be buried in soil. The gasket comprises a base which is received around a first p... | 07/04/2000 |
| 6076834 | Sealing element A sealing element (2) consisting of elastic material is adapted to be molded into for example a concrete pipe socket. In order to improve the binding between the sealing element and the material of the concrete pipe socket the sealing element is at least ... | 06/20/2000 |
| 6045139 | Sealing system for metal gasket and gasket attaching portions A sealing system is formed of gasket attaching portions facing each other, and a metal gasket. Each gasket attaching portion has a hole to be sealed and a flat surface portion around the hole. When the gasket attaching portions are assembled, the holes an... | 04/04/2000 |
| 5997006 | Bidirectional gasket having water energizing pockets A bidirectional gasket providing a water-tight seal between a manhole assembly and a pipe, having a T-shaped anchoring portion for embedment in a manhole opening. An A-shaped pipe engagement portion joined to the anchoring portion by a connecting web faci... | 12/07/1999 |
| 5979908 | Pipe seal for concrete structures Apparatus including an elastomeric gasket and a rigid holder therefor for resiliently connecting a sewer pipe in the wall opening of a concrete manhold to prevent leakage through the connection under extreme conditions of ground settling and overhead load... | 11/09/1999 |
| 5944323 | Sealing ring A sealing ring for sealing a space between two substantially cylindrical space surfaces (36, 44) axially introducable one into the other comprises two annular sealing portions (2, 4) concentrically connected with each other. The sealing portions have one ... | 08/31/1999 |
| 5941535 | Cast-in-place pipe support having a reversible pipe seal and removable closure disk A pipe support for mounting a pipe within a pipe-receiving aperture of a concrete container. The pipe support includes an annular anchor, a pipe seal and a removable closure. The annular anchor is for being cast in place within the concrete container surr... | 08/24/1999 |
| 5826886 | Wall feedthrough fitting An anchored guide tube centered on an axis and a conduit passing axially through the tube are relatively sealed by a feedthrough fitting having a flexible and shrinkable sleeve having an inner portion secured to an outer surface of the guide tube at an en... | 10/27/1998 |
| 5813677 | Seal between two interlocking components A seal between two interlocking components, especially tubes, with a compression lip (3) and a supporting foam rubber ring (12). The rear space as far as the cone surface can be empty or filled with light foam rubber.... | 09/29/1998 |
