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7586071 |
RF welding device with filtering and tuning
An RF welder, and a method of operation thereof, is disclosed that has circuitry that automatically affects system impedance so that, throughout the welding or embossing cycle, a generator is...
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7326897 |
Clip on tubing welder
A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon...
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7211776 |
Method for unattended sealing of tubing
A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon...
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7208711 |
Dielectric welding methods and apparatus
Dielectric welding apparatus has opposed electrodes that can be engaged on either side of a product to be welded and a dielectric welding power supply that supplies welding potentials to the...
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7151243 |
Method for welding material with a clip on welder
A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon...
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7084382 |
Clip on welder for plastic material
A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon...
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7026592 |
Clip on thermal welder
A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon...
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7012232 |
RF welding device
An RF welder is disclosed that has circuitry that automatically affects system impedance so that, throughout the welding or embossing cycle, a generator is capable of sending energy through die and...
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6828536 |
Welding apparatus
A dielectric welding apparatus for welding a plastic sleeve contains a solid state radio frequency generator linked via a matching network to a welding tool. The tool ( 30 ) includes a frame ( 35 )...
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6784407 |
Bench top tubing sealer
A desk top sealer includes three compartments for housing a solenoid assembly, a power supply and a circuit board, respectively. A source of air flow flows into an initial compartment and is...
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6559432 |
Apparatus and methods for welding flexible material
A fixture for use with a radio-frequency welding press includes an independent electrode that is not attached to a platen of the press and which is used to register directly on flexible material...
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6534222 |
Reticles including support frame for charged-particle-beam microlithography, and methods for making same
Reticles and reticle blanks are disclosed, especially for charged-particle-beam microlithography, that include a peripheral frame and a support frame bonded to each other in a manner that...
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6486456 |
Fusing processing method
In odd-numbered current-supplying periods of a plurality of current-supplying periods constituting a gross current-supplying time, a control unit 42 allows continuous switching actions of only a...
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6359273 |
Method and apparatus for producing a unified laminated body by dielectric heating and method for dielectrically preheating a laminate structure for the unified laminated body
A method of preheating a polymer plate by dielectric heating by applying a radio frequency voltage to a laminate in the direction of its lamination through electrodes; a method of producing a...
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6030490 |
Apparatus for radio-frequency bonding of thermoplastic members
A bonding apparatus for bonding a thermoplastic pad having a predetermined peripheral shape to a first surface of a carpet using radio frequency energy includes a die electrode and a backing...
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5906766 |
Method for dielectrically heating an adhesive
A method of heating an adhesive including the steps of placing a dielectrically heatable adhesive between first and second members. A high frequency electric field is applied between the first and...
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5840151 |
Apparatus and dies for forming peelable tube assemblies
An apparatus for forming coiled tubular assemblies is provided. The apparatus includes a pair of dies formed from a radio frequency (RF) conducting material. The dies each have contoured leading...
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5712469 |
Method of curing inaccessible thermoset adhesive joints using radio frequency dielectric heating
Method of curing inaccessible thermoset adhesive joints, comprising: forming structures to be bonded at mating surfaces when assembled, the shortest distance from the mating surfaces to the...
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5710413 |
H-field electromagnetic heating system for fusion bonding
An H-field electromagnetic heating system for fusion bonding, particularly useful in the sealing of telecommunications cables and closures, comprises a composite bonding material having a bonding...
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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...
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5488221 |
Slot interlock connectors for RF welding electrodes
Slot interlock connectors for RF welding electrodes include an electrode having a working edge, at least two ends and an integral mounting block which has ends which overshadow the ends of the...
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5427645 |
Apparatus and method for radio frequency sealing thermoplastic films together
Films of thermoplastic material may be sealed together by application of a radio frequency field through a pair of oppositely positioned electrodes. Preferred thermoplastic materials have a low...
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5306377 |
Mold including a low thermal inertia heater and method of using same
A mold, having a mold cavity commensurate with the shaping, forming or welding to be made, includes an RF energized heater in close proximity to the mold cavity for heating plastic tubing placed...
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5278382 |
Method for the high-frequency heating of dielectric workpieces
A method for the heating and joining together, preferably for welding, of workpieces by use of a generator. Where, during a heating interval the generator supplies high-frequency energy to at least...
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5223684 |
Method and apparatus for dielectrically heating an adhesive
The present invention provides for a method of dielectrically heating an adhesive between first and second members by first placing an adhesive bead between mating surfaces of the first and second...
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5187340 |
Method for welding at least one region of an overlay sheet to a receiving surface of a carrier layer
A method for welding at least one region of an overlay sheet (16) to a receiving surface of a carrier layer (14) by means of high frequency energy. In the method, on the surface remote from the...
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5151226 |
Process of making contoured vehicle internal panelling supports
The invention relates to a process for the production of contoured vehicle internal panelling supports having surfaces smooth on both sides on the basis of wood fibers by depositing an aqueous...
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5093546 |
Method of connecting plastic tubes using high frequency dielectric heating
A method of connecting plastic tubes by high-frequency heating comprising preparing an electrode block having at least two electrode members each having annular bores aligned with each other, the...
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4960481 |
Laminating method
A brush including a laminate having a handle end portion adapted for manual engagement, and an opposite head end portion; and a plurality of rows of bristles having end portions adhered between...
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4918754 |
Flocked glove and plastic sleeve member bonded thereto
A preformed flock lined rubber-like glove has its cuff folded back to expose the flocked lining and is mounted in a rotating support. A spray nozzle deposits a band of the hot-melt adhesive on the...
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4912295 |
Butt welding method
A butt welding method is disclosed, which comprises abutting a pair of steel sheets and welding the abutting surfaces by opposing electrodes while preventing gaps from developing between the...
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4871412 |
Bonding thermoplastic layers via electrical heating
A method of bonding a thermoplastic layer (22), such as APC-2, to a substrate (21) in which the thermoplastic layer (22) comprises electrical conductors such as carbon fibres, embedded in...
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4776509 |
Single point bonding method and apparatus
A single point bonding apparatus and method for bonding one electrical conductor to a second electrical conductor by a thermosonic process using force, time, temperature and ultrasonic energy as...
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4755649 |
Apparatus for compression welding of adapter and flanged catheter
A probe with a shoulder is used to support a pre-flanged distal end of a catheter placed inside of an adapter. The probe has a minor diameter to engage coaxially the bore of the catheter and a...
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4627565 |
Mechanical bonding of surface conductive layers
An electrically conductive path through an insulating plate (10) is produced by forcing sheets of conductive material (13, 14) into contact through a hole (11) in the plate (10). The sheets (13,...
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4628168 |
Dielectric heating device for heating cannula members
A cannula for insertion into a body cavity, duct, or vessel of a patient includes a parent cannula member and an integral radiopaque tip. The tip is configured so as to be distinguishable from...
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4574173 |
Device for RF welding an IV tube to a catheter lumen
A device for welding an IV tube into fluid communication with a lumen of a catheter comprises a grounded metal adapter which is operatively associated with a dielectric collet to clampingly engage...
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4555607 |
Process for installation and removal of glass pane from a frame
The invention is in a glass pane including a conductive strip around or substantially around its marginal edge. The conductive strip when included in circuit to a source of power may be heated for...
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4547641 |
Method for dielectrically joining tubular members
A method of dielectrically joining the mated ends of tubular members is, specifically, used in the formation of a cannula for insertion into a body cavity, duct, or vessel of a patient. The cannula...
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4542581 |
Method for manufacturing a tubular part for generating a spatially alternating magnetic field within a magnet system for guiding the electron beam of travelling-wave tubes
A method for manufacturing a tubular part for travelling-wave tubes, which includes firmly placing a magnetically soft tube on a cylindrical body, cutting the magnetically soft tube into individual...
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4504720 |
High frequency generator for welding apparatus
A high frequency welding device for welding plastic sheets, in which the high frequency energy is provided by fixed-frequency oscillator, preferably by using a quartz crystal amplifier, whose...
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4478669 |
Adhesive bonded gun assembly for applying fastener
A gun assembly for bonding a fastener to a workpiece is disclosed which uses heat induction to fuse a thermoplastic adhesive coating on the base of the fastener to the workpiece. The gun assembly...
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4452943 |
Thermoforming of thermoplastic polymers
A process for dielectrically heating and thermoforming a non-polar thermoplastic material by electromagnetic field energy is accomplished by the addition of a polar domain-containing material...
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4427865 |
Method of heat-bonding interior material
A method for heat-bonding interior material including heating one electrode of a high-frequency welder to about 100° C. less than the melting point of the outermost interior finishing material....
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4366020 |
Apparatus for bonding wood girders
An apparatus for producing girders, as for example I girders, from lengths of wood forming the flanges and the web of the girder has a carriage running on rails through a first station in which...
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4352709 |
Apparatus for producing seat cushion member
A method of and an apparatus for producing a seat cushion member by laminating a sheet of decorative surface material, a sheet of usual polyurethane foam material and a reinforcing web of fabric...
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4296294 |
Method and apparatus for drying and setting the adhesive on books by vaporization of water using RF energy
A method and apparatus for drying and setting the adhesive on the backs of books contained in book blocks or similar articles by vaporizing the water using high frequency RF energy. The books are...
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4293363 |
Panel assembling method
A panel assembling method is disclosed which comprises the steps of coating a thermosetting adhesive on the connection area of a first panel to be fixed to the connection area of a second panel,...
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4221950 |
Method and apparatus suitable for heating relatively poorly conducting substances
Poorly conducting substances, such as chips of cellulose material containing a heat hardenable binder, are heated by passing them between the plates of an operational capacitor supplied with energy...
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4218274 |
Method of constructing a baffled waterbed mattress
A waterbed mattress is provided with a series of unitary baffles each comprising a web joined at opposite ends to circular attachment flanges. A floating die of substantially cylindrical form...
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