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| Number | Title | Issue Date |
| 7237808 | Tube and pipe fittings Connector that includes a first element having a threaded portion and a rounded end, a second element having an end structured to slidably contact the rounded second end of the first element, and a third element having a conical bore. The second element extends thro... | 07/03/2007 |
| 6883550 | Flexible pipe joint A flexible pipe joint joins, in a bendable manner, a first pipe member provided with a partially spherical outer circumferential surface that protrudes outward in radial direction and a second pipe member provided with a partially spherical inner surface that can sl... | 04/26/2005 |
| 6739787 | Joint device The present invention relates to a device/connection which can be used e.g. in a vacuum cleaner pipe, which thereby can be made bendable to facilitate vacuum-cleaning under beds, tables and the like. I one simple operation a moveable part (5) can be displaced... | 05/25/2004 |
| 6619570 | Telescoping watering wand A watering wand allows for telescopic adjustment of its length. The wand includes a primary tube defining a hollow interior portion and a secondary tube slidably disposed within the primary tube. The primary tube includes a fitting for attaching the wand ... | 09/16/2003 |
| 6305426 | Expansion tube joint and assembling method thereof An expansion tube joint of the present invention comprises a first cylindrical body, a second cylindrical body inserted along an axis of the first cylindrical body, a seal member mounted between the first and second cylindrical bodies closer to an inserti... | 10/23/2001 |
| 6299217 | Flexible pipe connector A flexible pipe connector having a first cylindrical member defining an annular restricting groove and a radial-expansion restricting portion, a second cylindrical member defining an annular attachment groove, and a retaining member fitted to the annular ... | 10/09/2001 |
| 6273476 | Flexible expansion joint Hollow spherical portions 3 and 4 respectively formed on both tubes 1 and 2 so provided as to face to each other are fitted to each other inside and outside and the faced tubes 1 and 2 are coupled so that they can mutually bend. Packings 5 and 5a in which... | 08/14/2001 |
| 6257625 | Flexible joint and long nut for flexible joint A flexible joint comprises: first cylindrical bodies comprising a pair of spherical ring members; a second cylindrical body comprising a sleeve relatively movably inserted in the first cylindrical bodies from an axial direction X of the second cylindrical... | 07/10/2001 |
| 6250690 | Expansion flexible tube joint and assembling method thereof An expansion flexible tube joint comprising a first cylindrical body having a pair of spherical surface ring materials each formed with partially spherical outer surface, a second cylindrical body comprising a sleeve inserted into the first cylindrical bo... | 06/26/2001 |
| 6237965 | Leak-free flexible conduit A leakage free flexible conduit has made several improvements against the conventional, a groove formed on the inner rim of the connector for receiving a packing, and outside of a seat extending from an outer sliding pipe having a engaging trough for rece... | 05/29/2001 |
| 6056329 | Telescopic pivotal pipe joint A telescopic pivotal pipe joint for use in a fluid transporting pipe system such as water transporting pipe system installed under the ground is disclosed. The joint has a first pipe member including a semi-spherical inner peripheral face, a second pipe m... | 05/02/2000 |
| 5897146 | Flexible pipe connector A flexible pipe connector including a first cylindrical member, a second cylindrical member to be inserted into the first cylindrical member, an annular restricting groove defined in an inner peripheral face of the first cylindrical member, an annular att... | 04/27/1999 |
| 5740839 | Flexible extension conduit The present invention provides a flexible extension conduit, in which a basic unit includes a joint base, two joints, two ball valves, a sliding pipe, two dirt covers, a flat pipe, two damping collars and two embedded retainers, and so on. Therein the emb... | 04/21/1998 |
| 5160176 | Metal seal ball joint coupling assembly In accordance with this invention, an adjustable coupling device for releasably interconnecting confronting ends of first and second fluid carrying conduits is provided. A bell flange is attached to the confronting end of one of the conduits. This bell fl... | 11/03/1992 |
| 4776617 | Telescopic swivel pipe joint A telescopic swivel pipe joint for coupling a pair of axially spaced pipes each having a connection end comprising a pair of joint connectors each connected to the connection end of a corresponding pipe and having a spherical bearing surface, a pair of ma... | 10/11/1988 |
| 4475750 | Pipe stress/strain neutralizer with hydraulically balanced spherical element There is provided a spherical bearing arrangement within a pipe joint between a first pipe end and a second pipe end. The pipe joint is telescoping to allow the pipe ends to move axially, rotatably and genicularly with respect to each other, and includes ... | 10/09/1984 |
| 4201048 | Exhaust system connector A connector for interengaging the exhaust header components of an internal combustion engine that are subjected to movement and vibration to a turbine compressor and/or tail pipe components that are constrained and relatively unmoving wherein inner and ou... | 05/06/1980 |
