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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 |
| 7311507 | Power control system for equipment for injection moulding of plastic materials The identification and location of possible faults of operation and/or installation of a hot runner are obtained through the measurement of the absorption of power by the heating resistors applied to the arms and to the injectors of the hot runner. The qualitative a... | 12/25/2007 |
| 7296707 | Method and apparatus for dispensing a hot-melt adhesive An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed ass... | 11/20/2007 |
| 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 |
| 7272967 | Thermal control extrusion press container A subliner for use in a metal extrusion press, the subliner comprising an elongate annular body having an outer surface dimensioned for placement within an outer mantle, and an inner surface dimensioned to receive an inner liner. The subliner further comprises at le... | 09/25/2007 |
| 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 |
| 6903308 | Vacuum cast ceramic fiber insulated band having heating and cooling elements A ceramic fiber band that can fulfill a plurality of functions in connection with the injection and/or extrusion process of an injection molding or extrusion apparatus (i.e. heat, cool, and insulate), thereby reducing overall energy costs and creating a safer workin... | 06/07/2005 |
| 6495804 | Method of and system for heating and cooling an extruder cylinder An extruder cylinder is heated by resistance heaters surrounding cooling coils around respective segments of the extruder cylinder which is subdivided into heating and heating or cooling zones therealong. The rate of flow of the heat-carrier oil in the co... | 12/17/2002 |
| 6486445 | Vacuum cast ceramic fiber insulated band having heating and cooling elements A ceramic fiber band that can fulfill a plurality of functions in connection with the injection and/or extrusion process of an injection molding or extrusion apparatus (i.e. heat, cool, and insulate), thereby reducing overall energy costs and creating a s... | 11/26/2002 |
| 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 |
| 6175101 | Thermoplastic material melting unit having high throughput and heating capacity A thermoplastic material melting unit including various grid and reservoir configurations designed, for example, to optimize flow rate, melt rate and residence time within a melting unit. A main embodiment includes a supply hopper connected with a liquid ... | 01/16/2001 |
| 6135344 | Reflow soldering method and a reflow soldering furnace A reflow soldering furnace in which a printed board and a plurality of electronic parts mounted thereon are subjected to reflow soldering. The furnace comprises a reflow soldering furnace body including a plurality of heating zones defined by furnace wall... | 10/24/2000 |
| 6125658 | Glass furnace and installation comprising same The invention relates to the electric melting technique, in which the melting energy is dissipated in the bath of melted glass as a result of the Joule effect by means of electrodes which dip through the surface of the bath. According to the invention, th... | 10/03/2000 |
| 6104006 | Method and apparatus for the programmed temperature control of a heating barrel A method and an apparatus for the programmed temperature control of a heating barrel provides for programmed temperature control in which a thermal sensor can be set selectively in either or any of plural sensor holes on the feeding zone of the heating ba... | 08/15/2000 |
| 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 |
| 5855323 | Method and apparatus for jetting, manufacturing and attaching uniform solder balls An apparatus and process for jetting molten solder in the form of balls directly onto all the metallized interconnects lands for a ball grid array package in one step with no solder paste required. Molten solder is jetted out of a grid of holes using a pi... | 01/05/1999 |
| 5814790 | Apparatus and method for liquifying thermoplastic material An apparatus for liquifying and supplying thermoplastic material including a melting hopper having a plurality of separately controlled heating zones. The hopper is formed of thin, rolled metal having a relatively low heat conductivity, such as carbon ste... | 09/29/1998 |
| 5645743 | Multiple heat source grid assembly An apparatus for the melting of solid and quasi-solid materials, such as thermoplastics and hot melt adhesives, is disclosed. The grid type melter includes one or more heating fins and melt spaces. Multiple heating elements lying in separate planes are di... | 07/08/1997 |
| 5421715 | Apparatus for enabling a simultaneous production of preforms Apparatus for the simultaneous production of preforms consisting of polyethylene terephthalate (PET) fed and distributed to a plurality of cavities. In order to reduce the occurrence of acetaldehyde formation in a cavity, for example, a heated distributor... | 06/06/1995 |
| 5313047 | Analytical sample preparation system An interchangeable module for supporting a receptacle into which a molten sample, prepared by a fluxer, can be poured for analysis. One module can support a resistively heated casting dish into which a molten sample can be poured and cooled to form a soli... | 05/17/1994 |
| 5135781 | Procedure for operating a hot metallizing furnace In the operation of a hot metallizing furnace for lengths of metal, in particular metal strip, in which the length of metal to be coated is passed from above through the upper zone of a smelt of a coating material located in a smelt container, the smelt c... | 08/04/1992 |
| 5113576 | Process for the production of an injection nozzle for use in an injection molding device A process for the production of an injection nozzle comprising an essentially tubular inner part (16) and at least one essentially wire-type heating element (14, 15) which is embedded entirely inside a solid metal body (12, 13) lying in a close-fitting ma... | 05/19/1992 |
| 4962295 | Incandescent heating unit An incandescent heating unit uses a low wattage incandescent light bulb to warm the occupant of a metal chair. The light bulb generates heat which is absorbed by the metal and radiated to the occupant. A dispersion disk spaced between the bulb and the cha... | 10/09/1990 |
| 4919308 | Hot melt dispenser A hopper-type hot melt dispenser for use in liquifying and dispensing drum or pail quantities of slug form hot melt includes a hopper size to receive a drum or pail of slug form hot melt. Band heaters around the circumference of the hopper heat the walls ... | 04/24/1990 |
| 4811863 | Apparatus for liquefying a thermoplastic plastic An apparatus for liquefying a thermoplastic plastic, in particular an adhesive on the basis of polyurethane, comprises a heatable sealed supply container having an upper portion for receiving a downwardly open transport container for the thermoplastic pla... | 03/14/1989 |
| 4787301 | Deep fat cooking apparatus and method A deep fat fryer, especially for potato chips, has a cradle screen with walls and lifting handles and means for supporting the cradle screen at a lower level within the cooking kettle, a cover screen with lifting handles being selectively insertable into ... | 11/29/1988 |
| 4771920 | Thermoplastic grid melter Apparatus for melting and dispensing thermoplastic material including a hopper for receiving solid thermoplastic material, a flow-through grid melter secured to the bottom of the hopper and a reservoir mounted beneath the grid melter. The grid melter incl... | 09/20/1988 |
| 4723070 | Electric heater especially for machines and tools for processing of plastics A heater has two, hollow, half-cylindrical heat guides fastened to each other at one side by an articulated connector and at the other side by a bolted joint. Internal surfaces of the heat guides represent the shape of the object being heated. On external... | 02/02/1988 |
| 4721847 | Multiple zoned runner distributor heater A electric runner distributor heater for use in passageway of a mold into which a flow stream of fluid plastic material is introduced and which in turn communicates with a plurality of sprue orifices. The heater includes a metal casing having an exposed s... | 01/26/1988 |
| 4717809 | Flat electric heating body and deep fryer with tub, trough and sump At least one of the heated side walls of the oil container of a deep fryer is unbent to have planar interior and exterior surfaces. A sheet metal channel member, secured to the exterior surface of that side wall by flanges that flatwise overlie it, define... | 01/05/1988 |
| 4687646 | Cold crucible for melting and crystallizing non-metallic inorganic compounds A cold crucible for melting and crystallizing non-metallic inorganic compounds having a cooled crucible wall in the form of metal pipes through which cooling medium flows which are in mechanical connection with the bottom of the crucible through which coo... | 08/18/1987 |
| 4598842 | Sequenced heating for hot melt adhesive dispensing system A hot melt adhesive dispensing system including a hot melt adhesive dispenser, a hot melt adhesive tank, and a hose for coupling hot melt adhesive from the tank to the dispenser. The dispenser, the tank and the hose are heated by electrical heaters to mai... | 07/08/1986 |
| 4586690 | Apparatus for the manufacture of molded parts from molding compounds A device for the manufacture of molded parts from molding materials, includes a molding tool being completely closed, having a molding cavity formed therein and being divisible, a heating device having two heating plates disposed on top of each other and ... | 05/06/1986 |
| 4548341 | Plastic injector with heat control In a plastic injection apparatus comprising a barrel, an axially reciprocable, rotatable, plastic working screw in the bore of the barrel, a nozzle for injecting melted plastic from out of the front of the bore into a mold, and a plurality of axially spac... | 10/22/1985 |
| 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 |
| 4352442 | Device for the melting and measured discharge of a thermoplastic adhesive material In a device for the melting and measured discharge of a thermoplastic adhesive material, a melting chamber is enclosed by a heating coil. The adhesive material in solid rod form is supplied into the melting chamber through a sealing sleeve formed of a mat... | 10/05/1982 |
| 4308447 | Apparatus for liquefying meltable material An apparatus for liquefying meltable material comprises a container adapted to be filled with the material to be liquefied. The container has a heavy bottom wall formed with closely adjacent perforations which taper in downward direction. The sum of the o... | 12/29/1981 |
| 4032390 | Plural crystal pulling from a melt in an annular crucible heated on both inner and outer walls An annular crucible for containing molten, inorganic crystalline material in an apparatus for growing a plurality of substantially monocrystalline articles including a plurality of spaced forming members disposed in a ring-like arrangement within the cruc... | 06/28/1977 |
