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| Number | Title | Issue Date |
| 7423242 | Oven for non-metal melting Oven for non-metal melting, in particular silicon melting, with a housing enclosing an interior, at least one mould arranged in the interior for receiving a non-metal melt, at least one electrical heating device enclosing, at least partially, the at least one mould ... | 09/09/2008 |
| 7402779 | Effusion cell and method for use in molecular beam deposition An MBE effusion cell is configured to produce an inverted temperature gradient; that is, the top surface of the melt is not cooler than the bottom surface of the melt. In one embodiment, the MBE effusion cell comprises a crucible having tip, central and base regions... | 07/22/2008 |
| 7390361 | Semiconductor single crystal manufacturing apparatus and graphite crucible A semiconductor single crystal manufacturing apparatus which can manufacture a single crystal of high oxygen concentration to that of low oxygen concentration within a prescribed standard range of oxygen concentration, as a wafer material for semiconductor integrate... | 06/24/2008 |
| 7339139 | Multi-layered radiant thermal evaporator and method of use The present invention provides a system and method for uniform coating of a substrate at high deposition rates by evaporating a coating material in a vacuum chamber. The system includes an evaporator having a heating crucible for containing a coating material to be ... | 03/04/2008 |
| 7288744 | Injector for equipment for injection moulding of plastic materials An injector for equipment for injection moulding of plastic materials comprising at least one first heating resistor and at least one second heating resistor, which are controlled independently of one another and of which one is wound on a first area of the body of ... | 10/30/2007 |
| 7241131 | Thick film heater apparatus A thick-film electric heater having thick-film layers applied directly on a thermally conductive non-flat substrate. Preferably, the substrate is cylindrically shaped. A dielectric layer is silk-screened on the substrate surface. A resistive layer is silk-screened o... | 07/10/2007 |
| 7201801 | Heater for manufacturing a crystal The present invention provides a heater for manufacturing a crystal by the Czochralski method comprising at least terminal portions supplied with current and a heat generating portion by resistance heating, and being arranged so as to surround a crucible containing ... | 04/10/2007 |
| 7071449 | Molding system with integrated film heaters and sensors Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 07/04/2006 |
| 7029260 | Molding apparatus having a film heater Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 04/18/2006 |
| 6992269 | Injection nozzle having a heated head portion An injection nozzle for an injection molding apparatus is provided. The injection nozzle includes a head portion, a body portion and a heater. The head and body portions are connected to each other and together define a nozzle melt channel. The head portion has a he... | 01/31/2006 |
| 6897418 | Temperature sensor and heating device for hot runner systems A temperature sensor for use in hot runner systems includes a resistive element which is connectable via contacting means to a control circuit for a heating device and which includes at least one element portion of larger electrical resistance than its remaining por... | 05/24/2005 |
| 6849832 | Evaporation apparatus When electric current is caused to flow in an electric heater which is disposed on an elongated crucible, an evaporation material stored within the crucible and located under the electric heater is heated and the evaporation material is vaporized and discharged thro... | 02/01/2005 |
| 6355910 | Heating element for heating crucibles and arrangement of heating elements There is provided a heating element and an arrangement of heating elements, respectively, for heating crucibles, in particular for LEC devices for growing semiconductor single crystals, with a tulip-shaped bottom heater (20) being built such that the heat... | 03/12/2002 |
| 6323465 | Externally heated hot-runner nozzle with resistance wire An externally heated hot-runner nozzle for producing injection molded parts has a resistance wire which is composed of an inner electric heating conductor, a ceramic insulating intermediate layer and an outer metal sheath and comprises two end portions to... | 11/27/2001 |
| 6285011 | Electrical resistance heater for crystal growing apparatus An electrical resistance heater for use in a crystal puller used for growing monocrystalline ingots according to the Czochralski method comprises a heating element sized and shaped for placement in the housing of the crystal puller for radiating heat with... | 09/04/2001 |
| 6230936 | Folded susceptor for glue gun An apparatus such as a glue gun system that utilizes either a stick or solid beads of meltable material such as glue. A motor in the interior of a body of the glue gun drives a drive member. The drive member forces the meltable material towards a nose ass... | 05/15/2001 |
| 6223950 | Bulk feed glue gun An apparatus such as a glue gun system that utilizes solid beads of meltable material such as glue. The glue gun has a housing that contains a pervious barrier. The pervious diaphragm separates the beads from an airstream that is used to deliver the beads... | 05/01/2001 |
| 6169272 | Nozzle heater for die casting machine A heater for the injection nozzle of a die casting machine includes a mounting block which is clamped to the nozzle and has a cavity for receiving an off-the-shelf electric cartridge heater. The mounting block includes a casing formed from a high strength... | 01/02/2001 |
| 6093912 | Thermoplastic melting apparatus A thermoplastic melting apparatus for melting and dispensing hot melted adhesive materials includes a melting tank having an output line coupled to the bottom thereof for discharging a melted hot melt adhesive from the melting tank. A plurality of finned ... | 07/25/2000 |
| 6049658 | Flexible hose for a flowable material applicator A hot mix applicator having a hose for transporting heated flowable material, preferably hot mix material, that has an outer casing telescoped over a flexible inner conduit. Slidably, telescopically received within the conduit is tubing comprised a single... | 04/11/2000 |
| 6046437 | High output device for liquifying or reducing the viscosity of materials Apparatus for liquifying material in the form of an unloading device includes a platen which may have a one-piece or two-piece structure. The platen preferably includes a plurality of fins with the openings between the fins communicating with a plurality ... | 04/04/2000 |
| 6007625 | Apparatus for manufacturing single crystal This invention provides a method and a apparatus capable of manufacturing single crystals with an oxygen density of less than 12×1017 atoms/cm3 or less than 10×1017 atoms/cm3, and wherein the oxygen density of... | 12/28/1999 |
| 5973296 | Thick film heater for injection mold runner nozzle Hot runner injection molding systems with externally heated injection runner nozzles for such systems. The heater is preferably a tubular heater with the resistive element applied to the exterior surface by fine film printing. The heater is adapted to ext... | 10/26/1999 |
| 5741531 | Heating element for a pasta die and a method for extruding pasta Apparatus for increasing pasta production and for ensuring a more uniform and quality pasta product which includes heating the die face of a die by positioning on the die face an electric resistance heater.... | 04/21/1998 |
| 5668266 | Synthesis of single-stranded labelled oligonucleotides of preselected sequence Substantially pure single-stranded oligonucleotides having a preselected sequence of not more than about 200 nucleotides, at least one of which is at a preselected position in the sequence and includes a base with a covalently attached linker arm containi... | 09/16/1997 |
| 5523537 | Passive liquifier A liquefying apparatus for melting solid materials has a hopper with a coiled heating element disposed therein which supports and melts the solid materials into a liquid form. The liquid is stored below the heating element in a bottom section of the hoppe... | 06/04/1996 |
| 5504304 | Hot runner probe and its equipment The present invention relates to a hot runner probe having a shell-shaped probe body having a molten resin flowing surface which is combined to form a single unit with a ceramic heater wherein the ceramic heater is covered by the heater pattern that consi... | 04/02/1996 |
| 5417492 | Apparatus for continuously mixing and electrically heating flowable materials conveyed by a pair of rotatable screws An apparatus for continuously mixing and heating flowable materials comprises an inclined housing, at least two rotatable screws within the housing with each screw having a rotatably mounted shaft and a screw flight. The screws are arranged in parallel ju... | 05/23/1995 |
| 5235737 | Method of making an injection molding nozzle with a heating element extending outward between adjacent collar portions A method of making an injection molding nozzle having an electrical heating element wound in a channel. The heating element has two terminal wires which extend radially outward parallel to each other from either a common end portion or two separate end po... | 08/17/1993 |
| 5026969 | Apparatus for melting and heating shortening Apparatus for melting and heating shortening includes a housing having a top, a bottom and sidewalls; a heating grid mounted in the housing and spaced above the bottom thereof for melting shortening and allowing melted shortening to pass therethrough towa... | 06/25/1991 |
| 4748315 | Molecular beam source A molecular beam source suppresses a temperature fall at the opening of a crucible, to make a temperature distribution within the crucible uniform and to prevent the phenomenon of bumping of a source substance, whereby the quality of an evaporated film ca... | 05/31/1988 |
| 4704516 | Pointed heat-generating device for molds of injection molding machines A heater is incorporated in a pointed conical heat-generating means fixed with a projectile heat-generating body. The heater is a ceramic columnar body having a heat resisting and insulating property. Disposed within the ceramic columnar body is a coiled ... | 11/03/1987 |
| 4699084 | Apparatus for producing high quality epitaxially grown semiconductors A high pressure furnace and reusable demountable containment means for setive in situ information of epitaxial layers on a semiconductor substrate while under gas overpressure. The containment means has vent means therein for allowing the inert and reduc... | 10/13/1987 |
| 4692595 | Electrically operated heating element for a hot-runner tool An electrically operated heating element for a hot-runner tool has a heat conductor and is positioned in a hot runner and in runners that derive from the heat conductor and lead to a series of outflow channels 8 from the hot-runner tool. The heat conducto... | 09/08/1987 |
| 4689473 | Electrically operated heating element for a hot-runner tool An electrically operated heating element for a hot-runner tool has a heat conductor and is positioned in a hot runner and in runners that derive from the heat conductor and lead to a series of outflow channels 8 from the hot-runner tool. The heat conducto... | 08/25/1987 |
| 4631389 | Electrically operated heating element for a hot-runner tool An electrically operated heating element for a hot-runner tool has a heat conductor and is positioned in a hot runner and in runners that derive from the heat conductor and lead to a series of outflow channels from the hot-runner tool. The heat conductor ... | 12/23/1986 |
| 4562337 | Solder pot An electrical solder pot has a base with a hollow interior. A housing member also having a hollow interior attaches to the top of the base. The housing member further includes an opening at its top. A threaded socket is fitted in the base so as to accept ... | 12/31/1985 |
| 4533822 | Heating resistor of single crystal manufacturing apparatus A heating resistor of a single crystal manufacturing apparatus, which comprises a cylindrical side wall portion surrounding a melting pot, a bottom portion supporting the side wall portion, and a plurality of slits formed in the side wall portion and bott... | 08/06/1985 |
| 4517453 | Hot tip bushing means for a synthetic resin injection molding machine This invention relates to hot tip bushing means for a synthetic resin injection molding machine, which can reduce the pressure loss at the injection molding time and determine the position of a heating tip easily and accurately. To attain this purpose, a ... | 05/14/1985 |
| 4394566 | Ladle preheater A preheater for a casting ladle includes a stationary horizontal refractory deck having vertical apertures in which are disposed refractory plugs, each of which supports an electrical heating element that depends downwardly from the refractory deck. A lif... | 07/19/1983 |
