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| Number | Title | Issue Date |
| 7429168 | Oven protection system for a thermo-forming machine An oven protection system for a thermo-forming machine having a source of heat for heating a workpiece. The oven protection system includes a barrier that is movable from a stored position to a deployed position between the source of heat and the workpiece in respon... | 09/30/2008 |
| 7371999 | Temperature changing apparatus having a rotating air deflector A temperature changing apparatus including a chamber defining a cavity is configured to receive a food product therein. A radially exhausting fan disposed in the cavity circulates air in the cavity over the food product. An air deflector disrupts the air radially ex... | 05/13/2008 |
| 7104789 | Wall structure for carbon baking furnace A carbon baking furnace having spaced-apart, hollow flue walls defining a soaking pit therebetween. Each of the flue walls is formed of refractory bricks and has a pit face facing the pit and a flue face facing an inner flue gas passage. A coating is provided on the... | 09/12/2006 |
| 6997704 | Method and apparatus to aid in the delubrification of parts A method and apparatus for delubrification of parts. The method comprising the steps of moving the parts on the belt into a chamber of the furnace, heating the parts, igniting the unused combustible atmosphere above the parts, and allowing the atmosphere above the p... | 02/14/2006 |
| 6884064 | Burner mechanism for a rotary kiln A burner protection shield is provided at a distance and in an area below a burner lance that is used in a rotary kiln for the production of cement clinker. Such a mechanism enhances the useful lifetime of the burner lance. ... | 04/26/2005 |
| 6708527 | Glass feeder operated with oxy-gas combustion A glass feeder comprises an enclosed chamber through which molten glass can pass, and passing through each side wall into the chamber at least one burner comprising first and second burner head means for combusting oxidant and fuel within said chamber so as to gener... | 03/23/2004 |
| 6503078 | Natural convection type heating furnace A heating furnace of convection type is provided for improving rising characteristics at an operation start-up time to stabilize conditions within the heating furnace in a shorter time and maintaining a uniform temperature in the furnace. The heating furn... | 01/07/2003 |
| 6427360 | Method for convectively heating permeable material A method for preheating a permeable, thermoformable material having first and second sides includes supplying heated fluid to a fluid distribution system; regulating flow of the fluid such that fluid having a first temperature flows at a first velocity, a... | 08/06/2002 |
| 6286338 | Block assembly for a gas-type lehr A block assembly for a lehr includes a plurality of blocks extending longitudinally, each of the blocks having a seal surface for mating and overlapping with an adjacent one of the blocks.... | 09/11/2001 |
| 6027339 | Ring furnace with central tubular flow The furnace for baking carbonaceous blocks comprises, along the longitudinal X direction of the furnace, a series of sections, each section comprising, in the transverse Y direction, hollow walls (3) through which a heating gas flow comprising combustion ... | 02/22/2000 |
| 5477847 | Heating device A heating device including a first exothermic member disposed below a subject to be heated for preventing heat radiation from the subject while heating the subject from below, a second exothermic member disposed above the subject for preventing heat radia... | 12/26/1995 |
| 5195673 | Method and apparatus for convection brazing of aluminum heat exchangers A convection braze furnace for brazing aluminum heat exchangers in an inert gas rich atmosphere includes entrance and exit vestibules forming atmosphere barriers of suspended stainless steel strips. The interior of the braze furnace is divided into multip... | 03/23/1993 |
| 5154604 | Curing apparatus A curing apparatus used in manufacturing semiconductor devices including high-temperature gas chamber and heating chamber communicated with slits formed in a partition plate installed between the two chambers. Gas diffusion plates are installed in the gas... | 10/13/1992 |
| 4966546 | Convective thermoforming oven A thermoforming oven for the convection heating of a continuous web of a thermoplastic foam or film material which is being advanced through the oven towards a thermoformer. Moreover, there is disclosed to a method for the improved and more uniform convec... | 10/30/1990 |
| 4964799 | Heating furnaces A heating furnace comprises a horizontal body portion, a source of heat located at an intermediate portion of the body portion for forming hot gas which circulates in the body portion by natural convection, a gas discharge port formed in the wall of the b... | 10/23/1990 |
| 4776789 | Conveyor transfer assembly A device for transferring a food piece from an upper conveyor to a lower conveyor in an oven includes a slide having a first curved sheet with a continuous transfer surface for guiding a food piece between upper and lower conveyors while reversing the dir... | 10/11/1988 |
| 4757800 | Air flow system for a low profile impingement oven A food preparation apparatus including a cooking chamber having a pair of openings in two opposite facing walls thereof. A conveyor extends through the side wall openings and the chamber for conveying a food product through the chamber. First and second p... | 07/19/1988 |
| 4708634 | Drawn assembly for pulsatory combustion Assembly for pulsatory combustion comprising a combustion chamber, a horn and an exchanger part, made through drawing and welding of two half-shells, the separation plate being secured to the inside of the chamber in a recess provided for this purpose suc... | 11/24/1987 |
| 4687439 | Furnaces for baking anodes An improved exhaust port plug is provided for use in a baking furnace for the baking of anodes for use in an electrolytic reduction cell. The improved exhaust port plug comprises a cylindrical metal shell having a diameter approximating the diameter of th... | 08/18/1987 |
| 4687440 | Apparatus for heating charging material In order to be able to heat the charging material (3) of a charging material preheater (1) in a more uniform fashion and to higher temperatures, while enjoying short flow paths, the charging material preheater (1) is in the form of a container (2) having ... | 08/18/1987 |
| 4628616 | Vapor tank A vapor tank for processing a product by heating the same through exposure to vapor serving as a heat transfer medium. The vapor tank includes at least one partition wall separating a vapor chamber filled with vapor and a heating chamber for processing th... | 12/16/1986 |
| 4616996 | Non-oxidizing atmosphere firing furnace for ceramic articles A non-oxidizing firing furnace for ceramic articles, which comprises a furnace chamber filled with a non-oxidizing gas, a conveyor mechanism provided on the floor portion of the furnace chamber and adapted to move the ceramic articles oppositely to a dire... | 10/14/1986 |
| 4616995 | Tunnel dryer for bricks and like objects A tunnel dryer and method for drying unfired bricks or similar objects in which the tunnel comprises exhaust means for exhausting heated gases within the tunnel, partition means disposed in the drying space of the tunnel consisting of at least one vertica... | 10/14/1986 |
| 4591374 | Apparatus for equalizing the temperature of conveyor rolls in a glass-tempering furnace The invention relates to an apparatus for equalizing the temperature of conveyor rolls in a glass-tempering furnace, said furnace comprising a thermally insulated housing (1) confining a heating chamber (8), conveyor rolls (4), extending horizontally betw... | 05/27/1986 |
| 4586899 | Gas atmosphere heating furnace In a continuous heating furnace, particularly in a preheating chamber thereof, forced heat convections of an atmosphere gas are produced to heat articles rapidly. The convections which circulate transversely to a longitudinal axis of the furnace, retard a... | 05/06/1986 |
| 4580973 | Kiln with improved heat distribution A kiln producing a uniform temperature distribution within the kiln heating chamber and enabling maximum use of heating chamber volume. The heat source is provided by a high-velocity flow of heating gas, which is introduced into the heating chamber throug... | 04/08/1986 |
| 4529381 | Radiation shield and method for shielding a furnace convection section Apparatus and method for substantially blocking the "line-of-sight" between a radiant section of a furnace and a convection section positioned above the radiant section, while at the same time permitting flue gases from the radiant section to travel subst... | 07/16/1985 |
| 4512737 | Hot zone arrangement for use in a vacuum furnace The present invention includes a heat insulation wall which is formed in a closed plane configuration, such as a circle, and which has first and second pairs of apertures formed therein to accommodate cooling (inert) gases which are introduced into the he... | 04/23/1985 |
| 4490110 | Plenum arrangement The present invention provides, among other things, a plenum which is formed around the hot zone chamber of a vacuum furnace and which has a common wall with the hot zone chamber. The present arrangement includes having a plurality of apertures formed in ... | 12/25/1984 |
| 4474165 | Cooking oven An improved cooking oven having two flat surfaces covered by an enclosure. One of the flat surfaces serves as a base on which the enclosure rests and on which both fuel to be burned and food to be cooked are placed. The second of the flat surfaces, which ... | 10/02/1984 |
| 4458427 | Process and device for intensive heat and material transfer A gas flows through a pipe employed for intensive heat and material transfer, wherein the pipe has a length equal to 0.5 to 100 meters. The pipe features a gas inlet and two gas outlets. A solid body charge interacting with the gas flow enters at an inlet... | 07/10/1984 |
| 4373658 | High pressure condensation soldering, fusing or brazing A high pressure steam condensation soldering facility (10) is described. The facility (10) incorporates a chamber (12) having a centrally located heat processing zone (45) into which high pressure steam is injected to reflow solder on articles (43) therei... | 02/15/1983 |
| 4371333 | Device and process for operating an open baking furnace for manufacturing carbon-bearing, shaped bodies Device and process for operation of open baking furnaces, in particular such ring-type furnaces for manufacturing anodes for the aluminum electrolytic process, are such that for each so called fire the sealing chamber and/or chamber in the cooling zone ca... | 02/01/1983 |
| 4365954 | Continuous furnace for firing ceramic articles A continuous electric tunnel furnace includes a tunnel through which articles to be fired are passed in a direction of feed. The tunnel has a length portion constituting a sintering zone. Nitrogen is introduced into the tunnel at the outlet thereof. The n... | 12/28/1982 |
| 4357762 | Apparatus for controlling the ventilation effect on material dried in a tunnel drying plant An apparatus for controlling the ventilation effect on material dried in a tunnel drying plant, through which goods in the form of architectural ceramic structures, such as of bricks or tiles, to be dried and placed in layers, are moved in counter-current... | 11/09/1982 |
| 4309171 | Billet heating furnace with pressurized entrance seal A furnace (10) has a preheater zone (12) into which exhaust gases of a combustion chamber (14) are recycled for preheating of articles passing through the furnace. The exhaust gases are supplied to the preheater zone (12) through jet pipes (18) which crea... | 01/05/1982 |
| 4299565 | Heating furnace A heating furnace, suitable for use in a continuous steel slab heating furnace, wherein slabs are heated by fuel combustion flames. Heat transfer converters each made of a heat-resistant material are disposed downstream of the flow of the combustion flame... | 11/10/1981 |
| 4266932 | Heating furnace A heating furnace, suitable for use in a continuous steel slab heating furnace, wherein slabs are heated by fuel combustion flames. Heat transfer converters each made of a heat-resistant material are disposed downstream of the flow of the combustion flame... | 05/12/1981 |
| 4239485 | Taped products processor An apparatus is disclosed for processing products aligned on a tape. In the present embodiment, the products are shown to be heat recoverable sleeves which are conveyed to a control station for insertion of a terminal. The work is then released from the c... | 12/16/1980 |
| 4229163 | Heating furnace A heating furnace, suitable for use in a continuous steel slab heating furnace, wherein slabs are heated by fuel combustion flames. Heat transfer converters each made of a heat-resistant material are disposed within and in the flow of the combustion flame... | 10/21/1980 |
