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| Number | Title | Issue Date |
| 7338085 | Fusion-bonded processed product of resin member, method for producing same and method for fusion-bonding resin members When resin members (3, 4) are fusion-bonded to each other by electric-conduction heating, a net-form or pattern-form metal wire (2) as a resistance heating element is disposed at a joint portion of the resin members (3, 4), and a metal wire (... | 03/04/2008 |
| 7270102 | Resin intake manifold A resin intake manifold is provided with two separated bodies manufactured by connecting protrusions of weld portions of the separated bodies to each other in accordance with a vibration welding, and a cover wall in which one of the weld portions is arranged in an i... | 09/18/2007 |
| 7259357 | Electronically controlled sealing, unsealing and/or bonding with metal strip or wire coated with liquefiable substance for redundant application and tamper detection The invention seals, unseals and/or bonds plastics, waxes and resins via a thermal metal strip or wire coated with liquefiable substances that melt to open or separate and cool to congeal, seal, vulcanize or bond together when the wire or strip is energized in a sho... | 08/21/2007 |
| 7219933 | Hollow product, fluid processing system and joining method of hollow members A connecting portion (10c) of a container (10) of a catalyst converter is formed with a joining portion (15) to be joined to a joining portion (16) of a flange member (11) by spinning working, and the joining portion (15) fo... | 05/22/2007 |
| 7204520 | Device for joining components made of fusible plastic A device for connecting components (1, 2, 3) made of fusible plastic, especially pipes (12, 60) of a fuel pipeline or a fuel line to a fuel tank (8) of a vehicle. The device includes a heating element (4) having ends (44, 46) which... | 04/17/2007 |
| 7064300 | Surface analysis preceding electrofusion of thermoplastics A method and apparatus achieves making a surface-analysis determination precedent to allowing an electrofusion welding operation on pipe stock which is prescribed to be scraped, skinned or cleaned of surface contaminants prior to being graded ‘passable’ for such... | 06/20/2006 |
| 7052569 | Method for producing a high-quality insulation of electric conductors or conductor bundles of rotating electrical machines by means of spray sintering The present invention discloses a process for producing a high-quality insulation for conductors or conductor bundles of electrical machines by means of spray-sintering. Unlike in the prior art, it is possible to apply internal corona-discharge protection, insulatio... | 05/30/2006 |
| 6989518 | Method of sealing a foil cap to a container A method of sealing a foil cap to the opening of a container by induction heating is provided. A heat pipe is used to transfer heat from an induction sealing head assembly. ... | 01/24/2006 |
| 6953917 | System and method for ensuring the qualification of a workman to perform a task having established required standards A method and system for ensuring compliance with regulatory requirements to train, test, perform, evaluate and document identified covered tasks and provide the means to meet governmental and/or industrial standards including measuring applicable physical parameters... | 10/11/2005 |
| 6713735 | Induction foil cap sealer An induction foil cap sealer includes a sealing head module and power supply module that can be separately mounted and replaced. Both modules are convection air-cooled without a requirement for forced air-cooling or water cooling. ... | 03/30/2004 |
| 6692600 | VIG evacuation with plasma excitation A thermally insulating panel (e.g., vacuum IG window unit) includes first and second opposing substrates spaced apart from one another by a plurality of spacers. A low pressure space is defined between the substrates, and is hermetically sealed off by at ... | 02/17/2004 |
| 6680464 | Electrofusion joining control device A piping system that includes a plurality of pipe made of thermoplastic material, a coupling and an arrangement for securing the pipe to the coupling. The coupling is configured so that either a fusable seal or mechanical seal can be used with the couplin... | 01/20/2004 |
| 6441352 | Apparatus for electrically heat welding thermoplastic fittings and method of using the same A method and apparatus for electrically heat welding a thermoplastic electrofusion fitting having an electrically resistive element disposed therein, whereby a regulated quantity of electric power is supplied to the resistive element during the welding pr... | 08/27/2002 |
| 6395215 | Method of producing a plastic component and fuel tank for a motor vehicle In a method of producing a fuel tank from plastic, a heating element is located between two shell parts to be welded to one another. When the shell parts are pressed together, the heating element melts into the plastic and produces a weld that provides a ... | 05/28/2002 |
| 6368448 | Method for joining thermoplastic resin molded products A method for joining thermoplastic resin molded products by pressing together joining surfaces of two molded products with electric resistance wire therebetween is provided, wherein the method comprising: a first step in which electric resistance wire 20 ... | 04/09/2002 |
| 6322653 | Method for joining spiral wound pipes A method for joining thermoplastic pipes made by spiral winding a hollow profile with mainly rectangular cross section. The method includes: cutting an end of the pipe along an inside of a profile side wall fastened to a nearest preceding wound round of s... | 11/27/2001 |
| 6313448 | Adhesive bonding method and device A bonding method which includes heating an electrically conductive substrate with an induction heating system. The electrically conductive substrate is suitable for receiving a bonding agent which includes a pressure sensitive adhesive or a hot melt adhes... | 11/06/2001 |
| 6278096 | Fabrication and repair of electrically insulated flowliness by induction heating A method of repairing the insulation of a subsea insulated pipeline which includes the use of an induction heating coil placed around the insulated pipe in the vicinity of an insulation defect. An electric current is provided to the induction heating coil... | 08/21/2001 |
| 6211492 | Thermally deposited portion structure of thermoplastic resin molded product The deposition strength is enhanced in the thermally deposited portion of thermoplastic resin molded product. In addition, in the test for obtaining the deposition strength, the shape and dimensions that can reach the purposed deposition strength is defin... | 04/03/2001 |
| 6149756 | Method for joining plastic pipes, a joint ring used in the joining and a pipe joint provided with the method A method for joining a first tubular member to a second tubular member. The method provides a stretchable and compressible welding ring having a flexible inner ring, a resistance coil wound around the inner ring and at least one layer of plastic coating t... | 11/21/2000 |
| 6127662 | Electrofusion method and device A method of joining a first pipe of a plastic material to a second pipe of a material which does not bond well to the plastic material, utilizes an electrofusion sleeve of a plastic material which bonds well to the plastic material of the first pipe and h... | 10/03/2000 |
| 6104013 | Induction sealing covers with tabs An induction sealing apparatus for inductively sealing a cover to a container where the shape of the cover and the shape of the container and the shape of the induction sealing apparatus are different from each other with the induction sealing apparatus d... | 08/15/2000 |
| 6086705 | Bonding of micro elements A novel method for bonding of micro elements with in-situ bonding means is disclosed. Suited bonding means include heating coils and bonding materials. The bonding means are provided in the elements to be bonded during their preparation. While the element... | 07/11/2000 |
| 6056845 | Bonding of electric coils High speed bonding of wound electric components, and particularly armatures, having coils wound from bondable wire is obtained by providing a component support table having equally-spaced component-receiving stations and repeatedly indexing the table in a... | 05/02/2000 |
| 5919387 | Inductive systems for bonding and joining pipes A method for bonding or joining plastic or metallic pipe using induced energy is provided. A susceptor is placed between the two pipes to be joined and a magnetic flux is induced onto the susceptor. The second pipe may be a coupling device. The magnetic f... | 07/06/1999 |
| 5895543 | Clamping apparatus for an electrofusion joint A clamping apparatus for use in clamping a fitting to a pipe or other fitting. The apparatus may be used without supporting the outer surface of the pipe on the opposite side of the fitting, and in the case of a buried pipe, only a portion of the pipe nee... | 04/20/1999 |
| 5824179 | Method of joining reinforced thermoplastic pipes An electrofusion coupler is slid over one of two thermoplastic pipes, each having a layer or layers of reinforcing fibers between the center of the wall of the pipe and the outside surface of the pipe. The end surfaces are trimmed in a butt fusion machine... | 10/20/1998 |
| 5798021 | Clamping apparatus for an electrofusion joint A clamping apparatus for use in clamping a fitting to a pipe or other fitting. The apparatus may be used without supporting the outer surface of the pipe on the opposite side of the fitting, and in the case of a buried pipe, only a portion of the pipe nee... | 08/25/1998 |
| 5779843 | Method of fusion welding resin articles difficult to melt In a method of fusion welding resin articles difficult to melt due to a fusion retarder present in the articles in the form of a fusion retarding element or structure, the articles having surface portions in contact with each other so as to be bonded one ... | 07/14/1998 |
| 5772824 | Process and means for welding corrugated tubes and/or compound tubes and weld connection produced thereby In a process for the connecting of plastic tubes the wall of which has a corrugated cross section by electro-thermal welding, filling cores of plastic are inserted in the corrugation troughs of the tubes to be connected on both sides of a welding joint in... | 06/30/1998 |
| 5746872 | Method and unit for end sealing elongated wrappings Elongated wrappings made of sheet material comprising a first metal component and a second heat-sealable component are end sealed by successively feeding the wrappings, by means of a conveyor, in a first given direction and along a given path through a se... | 05/05/1998 |
| 5740600 | Electric motor stator winding bonding apparatus and method therefore Apparatus (10) and method for bonding together coils of an electrical wire forming windings (W) of a stator assembly (54) employed in making an electric motor. The apparatus includes a fixture (22) on which the stator assembly is installed during a bondin... | 04/21/1998 |
| 5705796 | Reinforced composites formed using induction thermoplastic welding We form welded reinforced composites by heating a susceptor along the bond line with a time-varying magnetic field produced with a moving induction coil. To obtain more uniform heating across the susceptor when welding composite parts using induction heat... | 01/06/1998 |
| 5705009 | Process for producing an insulation system This invention relates to a process for producing an insulation system (1) for an electrically conductive component (10). Use is made of an insulating material (5) which is protected against damage by the partial discharge of electric fields. To produce t... | 01/06/1998 |
| 5697143 | Method of manufacturing an electrofusion coupler In the manufacture of an electrofusion coupler, a winding of an electrical resistance heating wire is wound directly around a mandrel which comprises two parts providing respective ends of the mandrel. The mandrel supports electrically conducting terminal... | 12/16/1997 |
| 5676784 | Method of fabricating a heater coil for a catheter used to monitor cardiac output A heater (12) for a catheter (10) used in monitoring constant cardiac output is fabricated using a bifilar wire (21) coated with polyvinyl chloride (PVC) like the material used for the catheter. The bifilar wire is coated with the PVC using a conventional... | 10/14/1997 |
| 5672290 | Power source and method for induction heating of articles A power source for induction heating of articles containing ferromagnetic particles. An arrangement including the article is exposed to an electromagnetic field at a first power level for a first predetermined period of time and, subsequently to an electr... | 09/30/1997 |
| 5670012 | Electrically weldable plastic fitting A fitting formed as a welding sleeve has, preferably, two heating elements and is provided in the region of the plug contacts with a plate which can be inserted into a recess. On the plate is arranged a resistor and the connections for measuring the ohmic... | 09/23/1997 |
| 5647940 | Process for automatically connecting a source of electric current and a pile of packages to make plastic laminates with endothermic heating Process for automatic connection, at the moment of pressing, between a source (26) of electric current and the metal parts (35), connected in series, of the piles (30) of packages (31) for making plastic laminates to permit electric endothermic heating, t... | 07/15/1997 |
| 5573613 | Induction thermometry A method and apparatus for sensing the temperature of a susceptor in a bond line in an inductive welding process utilizing a conductive susceptor at the interface between the two plastic parts, and a magnetic coil that generates an alternating magnetic fi... | 11/12/1996 |
