Class 432/236 - Roll

Subclass of Class 432 - Heating
Definition: Apparatus in which the cooled element is a work or belt
No. of patents: 59
Last issue date: 10/02/2007

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Number	Title	Issue Date
7275632	Roller conveyor roller, especially for the transport of furnace-heated metallic strip material A roller conveyor roller for furnace-heated metal strip has a roller shell journaled on a shaft with bearings providing thermal and electrical insulation of the shell from the shaft. The shell can be divided into shell segments each of which can have two bearings. O...	10/02/2007
7009137	Laser powder fusion repair of Z-notches with nickel based superalloy powder A method is provided for repairing Z-notch wear surfaces on low pressure gas turbine engine turbine blades. The method is directed to turbine blades made of superalloy Inconel 713. Powdered Inconel 713 is welded to the Z-notch wear surface by directing an Nd:YAG las...	03/07/2006
6802711	Apparatus for supporting material to be treated in continuously operated thermal treatment furnaces The invention relates to an apparatus for supporting material to be treated in continuously operated thermal treatment furnaces, where the supporting of the material is realized by means of support elements installed externally to the thermal treatment furnace, in t...	10/12/2004
6672866	Continuous furnace for tubular firing material A Conveyor furnace for firing pipe-shaped objects with the following characteristics: 1.1.1 a furnace floor, 1.1.2 a furnace ceiling, 1.1.3 a two lateral furnace walls, which connect the furnace floor with the furnace ceiling, forming a furnace cha...	01/06/2004
6638472	Furnace roller A furnace roller for transporting of a continuously cast stock of a continuously casting plant through a temperature equalizing and heating furnace and including a rotatable arbor supported outside of the furnace and having cooling medium channels provide...	10/28/2003
6547557	Water-coolable furnace roller for conveying continuous-cast strip material workpieces through a roller hearth furnace A water-coolable furnace roller for conveying goods to be transported through a roller hearth heating furnace has a shaft supported external to the furnace and driven in rotation. The shaft has an outer contact surface. Support rings having a receiving bo...	04/15/2003
6435867	Furnace roller and cast tire therefor There is provided a cast tire for use with a furnace roller. The cast tire has at least three of annular spaced pockets located around the central opening of the tire on each radial side. When the tires are installed on a furnace roller with arbor means, ...	08/20/2002
6432030	Water-cooled roll A water-cooled roll is used for transporting material in a heated environment. The roll includes a hollow rotatable arbor with a system for supplying cooling water to the interior of the arbor. A plurality of annular tires are spaced along the arbor, each...	08/13/2002
6426969	Discharge screw for moving hearth Discharge screw (6) for a moving hearth, and in particular for an annular rotary hearth (2) of a reheat furnace for the heat treatment of loose materials, comprising a cylinder (61) arranged above and substantially radially with respect to this annular he...	07/30/2002
6402507	Tunnel furnace roller assembly A tunnel or reheat furnace roller assembly includes a hollow tube or arbor of low alloy steel and an inner concentric tube for providing a flow of cooling water. About the exterior of the tube or arbor is cast a surround or jacket having larger diameter, ...	06/11/2002
6152087	Boiler tube protector and a method for attaching such protector to a boiler tube A boiler tube protector having a cylindrical or semi-cylindrical shape and adapted to be attached around an outer peripheral face of a boiler tube with mortar, which boiler tube protector includes a plurality of ceramic bodies closely arranged along their...	11/28/2000
5921772	Two piece rider assembly The two piece rider assembly consist of a base piece that is welded to the skid pipe of a steel slab reheat furnace and a top piece that is removably attached to the base piece. The base piece has a cut out slot divided into three sections. The center sec...	07/13/1999
5863197	Solid flight conveying screw for furnace A fluid cooled conveying screw adapted for rotary hearth furnaces. A plurality of solid alternating single and double flights are affixed to an outer barrel. The single flights are at least partially cladded to withstand the rigors of the furnace. The dou...	01/26/1999
5766002	Apparatus for thermally conditioning cylindrical containers Apparatus is disclosed for moving and thermally conditioning generally cylindrical containers in which the structure provides for movement of the containers about their axes and provides for a predetermined heat flow relative to the containers to change t...	06/16/1998
5448040	Roller for furnaces, particularly for iron and steel making furnaces for heating slabs or the like A roller for furnaces, is used with a plurality of rollers substantially parallel to each other. The roller is provided with a plurality of annular collars which are side by side and spaced apart. The annular collars are cooled by means of a flow of cooli...	09/05/1995
5421724	Rolls for high temperature roller hearth furnaces Roll designs for roller hearth furnaces operating at temperatures ranging from under 1200° C. to substantially higher are disclosed. A rotary mounted main roll body may be provided with a plurality of spaced tires for contacting and transporting a charge...	06/06/1995
5374186	Roll system for roller hearth furnaces for thin slabs A roll system for a roller hearth furnace for thin slab casters is disclosed. The roll system includes a plurality of fluid cooled rolls rotatably mounted in the furnace configured to contact and at least partially support a charge transported along a pas...	12/20/1994
5370530	Rolls for high temperature roller hearth furnaces Roll designs for roller hearth furnaces operating at temperatures ranging from under 1200° C. to substantially higher are disclosed. A rotary mounted main roll body may be provided with a plurality of spaced tires for contacting and transporting a charge...	12/06/1994
5362230	Rolls for high temperature roller hearth furnaces Roll designs for roller hearth furnaces operating at temperatures ranging from under 1200° C. to substantially higher are disclosed. A rotary mounted main roll body may be provided with a plurality of spaced tires for contacting and transporting a charge...	11/08/1994
5355996	Wear resistant ceramic fiber conveyor rolls Highly compressed ceramic fiber conveyor rolls can provide desirable insulation coupled with extended wear for roller conveying of high temperature articles such as freshly made sheet glass. However, under harsh industrial conditions, as experienced with ...	10/18/1994
5341568	Insulated furnace roller and method of manufacture A method of manufacturing an insulated furnace roller includes providing the roller with an insulating refractory castable between the spaced apart tires of the roller and between the outermost tires and the furnace walls, the castable being secured to an...	08/30/1994
5316129	Ceramic conveyor roll having flat-sided spring retainer for non-rotatably mounting end caps to roller A conveyor roll for conveying heated glass sheets along a conveyor assembly is provided that comprises a fused silica roller having opposing cylindrical ends, a pair of end caps formed from a machinable steel which may be heat resistant for rotatably moun...	05/31/1994
5288228	Heat-resistant materials A heat-resistant material having excellent high-temperature strength and high oxidation resistance at temperatures exceeding 1300° C. The material is a heat-resistant Cr-Fe alloy including at least 60% of Cr and at least 5% of Fe, and having a mean grain...	02/22/1994
5284440	Water-cooled, workpiece-supporting members for a heating furnace Tall work-supporting elements, riders or buttons, for reheat furnaces increase the unshadowed area of radiation exposure for the under surface of steel workpieces and thereby significantly reduce the "skid mark" phenomena of workpieces. The tall supportin...	02/08/1994
5248255	Continuous kiln The present invention enables a tile or other ceramic wares to have a deep reduced color. A roller hurse kiln 210 includes rollers 214, and a burner mounted in a firing zone adjacent to the outlet so as to provide a reducing gas. The burner has gas inject...	09/28/1993
5230618	Insulated furnace roller The disclosure relates to an insulated furnace roller and a method of manufacture thereof, in which the roller is provided with an insulating refractory castable between the spaced apart tires of the roller and between the outermost tires and the furnace ...	07/27/1993
5217374	Roller drive system for roller hearth kiln There is disclosed herein a drive system and a coupling system for each roller in a roller hearth kiln. The drive system is modular and encased and includes a plurality of aligned drive worms that engage driven gears that in turn rotate a drive shaft. The...	06/08/1993
5136610	System for carrying a charge in a reheating furnace The system comprises at least one coolant-carrying tubular support carrying at least one rider. The latter consists of a heat-resistant cast housing provided with at least one cutout into which a ceramic carrier is inserted. The carrier is of sufficient c...	08/04/1992
5088920	Drive mechanism for glass sheet roller conveyor of furnace A drive mechanism (32) for a roller conveyor (28) of a furnace (12) for heating flat glass sheets includes a primary drive loop (34) received by primary drive wheels (36) and also includes a plurality of secondary drive loops (50) each of which is associa...	02/18/1992
5057011	Furnace grate roller namely for incinerating refuse with a tubular casing formed by rings of bars separated by blow gaps of set width A furnace grate roller, mainly for incinerating refuse, with a tubular casing formed by rings of bars separated by blow gaps of set width, is of conventional structure, comprising a cylindrical cage framework with T-shape cross-section longitudinal member...	10/15/1991
4932864	Roller hearth type heat treating furnace A roller hearth type heat treating furnace has a furnace housing, the inside of which is partitioned into first, second and third treating chambers by a plurality of heat insulating intermediate doors. In order to independently control the temperature ins...	06/12/1990
4900248	Skid rail Disclosed is an improved skid rail used in furnaces, particularly, the furnaces for heating steel pieces for hot processing. The skid rail uses, as the material of the skid members thereof, an oxide-dispersion reinforced type super alloy which comprises c...	02/13/1990
4886450	Cooled tubular assembly for industrial reheating furnace Steel charges are heated to rolling temperature in reheating furnaces. It is standard practice for the charge to be moved through such a furnace on continuous water-cooled tubular supports crossing the furnace in a straight line. The supports obstruct cha...	12/12/1989
4840560	Heating stock in a heating chamber A method for heating stock comprises feeding stock 9 to be heated into a heating chamber 1, causing heating gas to enter the heating chamber 1 to heat the stock 9 and leave the heating chamber 1 after heating the stock 9 and then removing the stock 9 from...	06/20/1989
4828489	High speed firing method and kiln, in particular for ceramic materials such as tiles and the like A method, and a kiln, by and in which to fire ceramic tiles (8), or similar items, which are taken along a given path each stage of which is singular in terms of temperature level and other parameters governing the firing cycle. Travelling forward along t...	05/09/1989
4802845	Apparatus for driving rollers of roller hearth kiln The rollers of a roller hearth kiln are coupled to corresponding driving shafts respectively, and each of the driving shafts has one thereof horizontally extended away from the kiln. A case which is disposed along the kiln houses the extended ends of the ...	02/07/1989
4802844	High capacity, retractable furnace hearth A retractable, roller hearth for use in an industrial heat treat furnace is disclosed whereby the alloy rollers are retracted from their load bearing position when the furnace heat treat processes are underway thus maintaining the rated load capacity of t...	02/07/1989
4775316	Roller furnace provided with a passage for the drying and/or refiring of ceramic or refractory products A roller furnace having a passage (3) for the firing of ceramic or refractory products, such as tiles and the like, is provided with a passage (6) running parallel to, and arranged below the firing passage (3) for effecting a heat treatment on a product, ...	10/04/1988
4636127	Conveying screw for furnace A countercurrent fluid cooled conveying screw is disclosed. Suitable for furnace applications, the screw includes an outer shaft spatially circumscribing an inner tube. A plurality of hollow, fluid cooled flights are affixed to the outer shaft and are in ...	01/13/1987
4596527	Roller tunnel kiln A roller tunnel kiln includes a lower kiln body half composed integrally of a kiln bottom and a pair of transversely spaced lower kiln side wall halves which are made of refractory brick, a pair of endless chains disposed respectively on transversely oppo...	06/24/1986

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Class 432/236 - Roll