Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7390375 | Method and a device for connecting a plastic conduit and a plastic socket A method and a device for connecting a plastic line part in a plastic socket. A head end (9) of the line part (6) is heated contactlessly all the way round until the end curls over to a diameter that is greater than the inside diameter of the socket ( | 06/24/2008 |
| 6964096 | Method of manufacturing a structural member and a member provided by such method Method for manufacturing a structural member having a body portion (4) and at least one flanged terminal portion (22) comprising the steps of extruding a profile and making one or more lengthwise splits (8) in one end of said profile to obtain a... | 11/15/2005 |
| 6895670 | Method of attaching a self-aligning flange to a vacuum pipe and forming a large diameter extruded pipe A method of attaching a self-aligning flange to a vacuum pipe includes a flange member, a collar member and a stop member. An inner perimeter of the collar member is sized to receive an outer perimeter of a pipe. The flange member extends outward from an outer perim... | 05/24/2005 |
| 6863315 | Flanged member with barrier layer In order to attach a fuel system component such as a pipe nipple to a fuel tank having a polyethylene outer layer, the fuel system component is made from a first material which may have desirable characteristics such as resistance to creep, but which may not be easi... | 03/08/2005 |
| 6860526 | Coupling structure for a hollow body A first half part includes a second raised portion and a third raised portion respectively on the inner side of the hollow body and on the outer side of the hollow body with respect to a first raised portion, the second raised portion and the third raised portion be... | 03/01/2005 |
| 6766570 | Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete A method for forming and attaching a clamping collar to a pipe configured for forming a pipe section in a concrete pumping line for carrying of fluid concrete includes the steps of placing a sleeve on the pipe to provide a heat transfer limit area between the sleeve... | 07/27/2004 |
| 6672630 | Flange for connection between an axial compressor and high-pressure rotor disc unit in a gas turbine A flange (20) for connection between an axial compressor and high-pressure rotor disc unit (14) in a gas turbine (10), wherein the flange (20) has a body (22) with a frusto-conical shape which is joined to a shaft (12) of the axial compressor by means of ... | 01/06/2004 |
| 6543811 | Pipe flange assembly An erosion resistant pipe flange assembly for preventing erosion of metal pipe flanges connecting two joints of pipe. The erosion resistant pipe flange assembly includes a flange section, a reducer section integrally formed with said flange section, and a... | 04/08/2003 |
| 6520213 | Arcuate double-layer pipe, and method of assembling an arcuate double-layer pipe An arcuate double-layer pipe for a pipeline for fluidic transport of abrasive solids, includes an inner pipe portion made of wear-resistant material, and an outer pipe portion of weldable steel in surrounding relationship to the inner pipe portion. A pair... | 02/18/2003 |
| 6283157 | Sweat flange, piping system and method of use A sweat flange, piping system utilizing the same, and method of installing a circulator to a copper pipe. The sweat flange includes a base portion having a predetermined shape and at least two bolt openings dimensioned to accept at least two mounting bolt... | 09/04/2001 |
| 6270045 | Perimeter weld flanges A perimeter weld flange comprising an inner and external perimeter wall surface and a perimeter weld lip on said flange for welding said flange onto a receiving surface. The perimeter weld flange herein is particularly suitable for weldable metal-gasketed... | 08/07/2001 |
| 6254142 | Exhaust manifold flange for an internal combustion engine An exhaust manifold flange for an internal combustion engine, for sealably connecting at least one stub pipe of an exhaust manifold to a wall of the engine, the flange has a basic part made of sheet steel provided with a bead which extends substantially a... | 07/03/2001 |
| 6240966 | Pipe for conveying solids A pipe for conveying solids provided at least at one end thereof with a circumferential radially extending coupling flange and an axially extending annular portion connected to the coupling flange. An annular insert of a material having a greater resistan... | 06/05/2001 |
| 6176525 | Thermoplastic liner and a flange on a tubular member lined with a thermoplastic liner and a flange lined tubular member A method for installing a flange on the end of a tubular member lined with a thermoplastic liner is provided. The flange is formed with a groove having extrusion openings extending from the front to the rear surface of the flange, the groove for receiving... | 01/23/2001 |
| 6086109 | Conveying pipe A conveying pipe for hydraulically transporting solids, such as sand, gravel or also concrete is composed of a straight or curved pipe portion and of coupling flanges at the ends of the pipe portion, wherein the coupling flanges protrude radially above th... | 07/11/2000 |
| 6070912 | Dual seal and connection A dual seal is provided for establishing fluid tight engagement between conduits subjected to both internal and external pressure. The dual seal comprises four seal portions disposed between an inner and an outer cylindrical surface.... | 06/06/2000 |
| 6019398 | Tapping sleeve with a gland A tapping sleeve assembly for direct connection to a gate valve. The assembly includes a tapping sleeve attached to a main pipe. An outlet conduit formed integrally with and extend outwardly from the tapping sleeve terminates in a distal end outlet. A ret... | 02/01/2000 |
| 5967566 | Light-weight, slip-on pipe flange Improved convoluted flanges including one embodiment having a metal inset in a polymer casing in which the inset has a convoluted configuration similar to the outer convoluted configuration of the casing and another embodiment of a convoluted, slip-on, we... | 10/19/1999 |
| 5947528 | Pipe flange assembly An erosion resistant pipe flange assembly and a method for preventing erosion of metal pipe flanges connecting larger diameter pipe to smaller diameter pipe. The erosion resistant pipe flange assembly includes a flange section, a reducer section integrall... | 09/07/1999 |
| 5813437 | Pipe for conveying solids A pipe for conveying solids, particularly for conveying concrete, includes a cylindrical middle portion and a welding neck with a coupling ring flange. The welding neck has an inner layer and an outer layer, wherein the inner layer is of a material which ... | 09/29/1998 |
| 5769467 | Pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes A pipe coupling for sealing a joint between pipes in a pipeline by compressing annular gasket members against the pipes around the joint, the pipe coupling comprising an annular coupling member having end members and spaced annular protrusions forming gas... | 06/23/1998 |
| 5700038 | Pipe connection assembly A connector assembly is provided for connecting two pipes of dissimilar material. In particular, an assembly is provided for connecting a first end portion of a first pipe to a second end portion of a second pipe formed as a bell housing having a larger i... | 12/23/1997 |
| 5690368 | Ultraseal sump adaptors models 54 and 541 A sump adaptor is provided which includes first and second flanges having respective first and second openings, each having a respective first and second axis which axes are in coaxial relationship to each other when the flanges are assembled. A plurality... | 11/25/1997 |
| 5671956 | Vacuum system coupler An improved all-metal coupler for coupling vacuum components. The coupler comprises a hollow tube terminating at each end in a flange. At least one of the flanged ends comprises a plurality of radially outwardly extending tabs or lugs for accommodating th... | 09/30/1997 |
| 5662361 | Conical wedge connecting joint A fluid-tight joint formed by a pair of annular rings, each attached to the end of a tubular fluid-conducting conduit. The rings are similar, each having one side with a channel with a frusto-conical wall and the other side having a ridge with a frusto-co... | 09/02/1997 |
| 5511828 | Flexible joint for automobile exhaust pipe A flexible joint for an automobile exhaust system includes a flexible bellows for sealing the communication between the engine and the tail pipe with first and second flanges fixed to the respective members and interconnected by coupling shafts that are f... | 04/30/1996 |
| 5484172 | Pipe connection A fluid conduit connection includes in combination a cast or molded connecting member; a connecting socket affixed to the connecting member and comprising a standarized sheet metal press fitting having one end thereof attached to the connecting member and... | 01/16/1996 |
| 5413389 | Cast convoluted piping flange A convoluted flange ring for a flange coupler in a piping system the flange ring having an annular bolting disk with an outer rim and an inner rim forming a U-shaped cross section, with the bolting disk having a transitional thickness for improved stress ... | 05/09/1995 |
| 5275440 | Double-layer pipe bend with intermediate support layer A double-layer pipe bend for a pipeline includes an inner pipe of cast steel, an outer pipe of weldable steel surrounding the inner pipe, and connecting flanges at the ends of the pipe bend. The connecting flanges are welded to the outer pipe. The inner p... | 01/04/1994 |
| 5248080 | Articles and methods for joining tubular articles to one another An article for joining in end-to-end relationship two or more tubular articles such as pipe sections, and particularly pipe sections coated on their inner and outer surfaces with an electroless metal such as nickel and adapted for passing corrosive liquid... | 09/28/1993 |
| 5116085 | Sealed expansion joint An expansion joint is disclosed for connection between fluid flow conduits for permitting the expansion and contraction of the conduits while sealing same. The joint includes telescoping cylindrical members each connectable to a conduit and having a rolli... | 05/26/1992 |
| 5078435 | Self-aligned flanged coupling A self-aligned flanged coupling for a pair of product transport pipes comprising a male member, a female member disposable in coupling relation to the male member, a clamping assembly mating with the male and female members for releasably securing the mem... | 01/07/1992 |
| 5071174 | Brazed tubing connector construction and method In a construction for joining a copper tube (20) to a steel body (10) which may be part of a device such as an accumulator used in an air conditioning system, the copper tube is passed into an opening (14) in a wall (12) of the steel body. The opening in ... | 12/10/1991 |
| 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 |
| 4948177 | Laminated fitting for heat exchanger An end fitting for a serpentine heat exchanger couples an inlet or outlet port to a pair of flat tubes comprising the heat exchange core. The fitting comprises three laminated plates and a nipple coupled to an opening in the outermost of the plates. The i... | 08/14/1990 |
| 4907829 | Pipe joint assembly A pipe joint assembly comprises a plate having a bore which is at least partially threaded to receive a pipe, and a guide sleeve leading to the pipe and having a larger inner diameter than the diameter of the bore. One or both ends of the guide sleeve can... | 03/13/1990 |
| 4832383 | Pipe and flange assembly A pipe and flange assembly including a flange having a front surface and a rear surface, the flange having a substantially cylindrical aperture therethrough, the front surface of the flange being substantially planar, the rear surface of the flange having... | 05/23/1989 |
| 4826220 | Means for connecting successive sections of tubular elements Pairs of flanges for connecting identical tubular sections in series. The flanges are complementary in form, one being welded to the end of the preceding section, the other welded to the adjacent end of the following section. The flanges include interenga... | 05/02/1989 |
| 4825942 | Heat exchanger with novel seal for tube sheet A novel construction of a heat exchanger such as a vertical type thermosiphon reboiler having a removable tube bundle and optional removable shell is disclosed. The inlet tube sheet is matingly, engagably secured to a ledge portion which is, in turn, secu... | 05/02/1989 |
| 4810011 | Structure in which a small-diameter thin metal tube is fixed at one end to a flange coupling A structure in which a small-diameter thin metal pipe is connected at one end to a flange coupling. The pipe has an end portion and an outer turned-up portion formed at the end of the end portion of the pipe. The structure includes a metal sleeve inserted... | 03/07/1989 |
