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| Number | Title | Issue Date |
| 7527301 | Pipe/connector weld joint, and methods of welding same The present invention is directed to a pipe section and a connector that are adapted to be welded together, wherein each of the pipe and connector have inner and outer beveled surfaces and the joint is comprised of an angular alignment land. In one embodiment, an ou... | 05/05/2009 |
| 7510218 | Pipe/connector weld joint, and methods of welding same The present invention is directed to a pipe section (220) and a connector (400) that are adapted to be welded together, wherein each of the pipe and connector have inner and outer beveled surfaces and the joint is comprised of an angular alignment land... | 03/31/2009 |
| 7316427 | Hollow plastic product having a connector pipe A hollow plastic product including a hollow main body, a reinforce member and a connector pipe is provided. Such a hollow plastic product is, for example, used advantageously as a component of an air-intake system or fuel supply system of an automobile. In one examp... | 01/08/2008 |
| 7201404 | Union nut with lock member Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial col... | 04/10/2007 |
| 7108294 | Composite pipe assembly and components A plastic coupling for joining two metal pipe sections end-to-end to form a pipe assembly. A first plastic spigot cuff is formed along the periphery of the end of the first pipe and a mating second plastic bell cuff is formed along the periphery of the end of the se... | 09/19/2006 |
| 6945568 | Joint structure for coupling components in a joint portion of a fluid flow passage In a joint structure for coupling a first component (21) to a second component (22) in a joint portion of a fluid flow passage, the second component (22) has a portion thereof inserted into the first component (21) to engage with the firs... | 09/20/2005 |
| 6631740 | Brazing joint for tubes and the like A first tube has an end portion with a socket that is tapered by, a frustoconical wall that ends with a radially extending land. A copper brazing ring is disposed on the land. An end portion of a second tube having a knurled surface is press fitted into t... | 10/14/2003 |
| 6161876 | Elbow connection for tubular manifold for a motor vehicle air-conditioning condenser A device inserted through a tubular wall by means of a cylindrical flange surrounding a through-bore which is used to insert a tool for flaving the annular region defined by the flange around the bore on the inside of said wall, so that the device may be ... | 12/19/2000 |
| 5685571 | Pipe socket A socket accommodates pipes of different wall thicknesses that are to be joined by a fillet weld. The socket has a body with a central opening in one face. The face includes a series of physical indicators each of which are spaced from the opening a dista... | 11/11/1997 |
| 5529348 | Spring lock connector A spring lock nut assembly for coupling a tube to another member such as a valve, manifold, other tube or the like, includes a tail piece which is brazed onto the tube, a spring lock wire and a spring lock nut. The spring lock wire is diamond-shaped in cr... | 06/25/1996 |
| 5447339 | Pipe for carrying fluids, particularly hydrocarbons The invention describes a pipe for carrying fluid, including thermally insulated steel pipe sections of a type including an outer tubular shell, an inner cylindrical shell of smaller diameter, in the inner shell being sealingly welded to the outer shell a... | 09/05/1995 |
| 5069253 | Flexible hose assembly A flexible hose assembly for a mercury line for a manometer, and including a length of convoluted hose having an end, an inner sleeve positioned over the hose and having an end welded to the hose end, a hose fitting having an end and a welding section spa... | 12/03/1991 |
| 5044670 | Pipe for conveying solid matter A pipe for conveying solid matter, particularly for conveying concrete. The pipe has a cylindrical middle portion and a double-layer welding neck with annular coupling flange at each end of the middle portion. The inner layer is replaceably clamped in the... | 09/03/1991 |
| 4606783 | Tube couplings In a tube coupling of the kind comprising a body member with a bore having an axially tapered portion, a collet having arms extending into said portion of the bore, the tapered portion being such that axially outward movement of the collet arms engaging t... | 08/19/1986 |
| 4582243 | Extreme pressure belted structures and assembly method therefor A die (40) for extrusion of optical grade fibers has its hard insert (42) placed under compression within a sleeve (44). Sleeve (44) is provided with a tapered interior surface (50) which matches the tapered exterior surface (48) of the insert (42). A met... | 04/15/1986 |
