Class 432/244 - Seal at chamber wall for conveyor arm or shaft

Subclass of Class 432 - Heating
Definition: Apparatus including a seal structure preventing leakage
No. of patents: 25
Last issue date: 06/08/2010

Number	Title	Issue Date
7731494	System for use in a vertical furnace A system used in a vertical furnace is provided that includes a tube. The tube includes a tube flange at its lower end. The tube flange provides a first sealing surface at its lower end. Further, there is a structural member at the lower surface of the tube flange. ...	06/08/2010
7191714	Shaft seal for a pyrolytic waste treatment system The inventive subject matter is directed toward a pyrolytic waste treatment system comprising a pyrolysis chamber having a chamber wall with a hole through which a shaft passes. An insulating mechanism is used at the hole to inhibit heat from escaping through the op...	03/20/2007
7092779	Automated material handling system for a manufacturing facility divided into separate fabrication areas An automated material handling system is presented for a manufacturing facility divided into separate fabrication areas. The automated material handling system plans and carries out the movement of work pieces between fabrication areas and maintains a database indic...	08/15/2006
6592365	Seal for oven circulating fan A multiple-piece seal is used for a cure oven circulating fan. The seal may be readily positioned along the length of the shaft to control the small clearance between the rotating seal and the oven such that there is no contact between the seal and the ov...	07/15/2003
6107614	Continuous microwave furnace having a plurality of furnace modules forming an improved heating configuration A continuous microwave furnace (10) with furnace modules (12) is described, which modules, in a series of sequential placement, one after the other, form a heated zone. On the respective housing casing (14) is provided at least one microwave radiating sou...	08/22/2000
5733116	Heat treatment apparatus A heat treatment apparatus having a heat treatment furnace into which a hydrocarbon gas and an oxidization gas are introduced, wherein an outlet opening of a valve through which a pusher for pushing a work to be heat treated in the heat treatment furnace ...	03/31/1998
5549471	Cooler grate for a reciprocating grate cooler The invention relates to a cooler grate for a reciprocating grate cooler, with a plurality of grate plate supports extending transversely with respect to the cooler grate and constructed as hollow bodies, on which in each case grate plates are supported s...	08/27/1996
5367147	Method and apparatus for continuous microwave regeneration of adsorbents Apparatus and method for regenerating saturated adsorbents using microwave energy. A saturated adsorbent, such as activated carbon, is fed onto a continuously moving conveyor belt. The conveyor belt transports the carbon to a microwave cavity where the ca...	11/22/1994
5330350	Reciprocating grate cooler The invention relates to a reciprocating grate cooler in which the drive arrangement is enclosed by a drive housing, the interior of which is closed off so as to be airtight against the atmosphere, but by contrast has a pressure equalization connection to...	07/19/1994
5114338	Furnace for heating highly pure quartz preform for optical fiber A heating furnace for heating a porous preform made of fine particles of highly pure quartz glass for an optical fiber, which furnace comprises a cylindrical furnace body, a heater installed in said furnace body and a muffle tube installed inside said hea...	05/19/1992
5032079	Furnace for producing high purity quartz glass preform There is provided a heating furnace comprising a furnace body, a cylindrical zone heater in the furnace body, a muffle tube installed through the furnace body for thermally treating a porous preform made of high purity quartz glass by moving the preform v...	07/16/1991
5007826	Roller hearth furnace for the heat treating of metal and ceramic parts A roller hearth furnace comprises a thermally insulated housing forming a heating space therein and a plurality of roller modules removably mounted in the housing for transporting parts longitudinally through the heating space. The modules are successivel...	04/16/1991
4938690	Ingot pusher furnace with rail drawbridges An ingot pusher furnace includes means for reducing heat loss from the charging and discharging ends of the furnace so as to produce a more efficient and uniform heating of the ingots. The pusher furnace includes support rails which extend between a first...	07/03/1990
4619607	Baking oven having turntable driven from an external motor whose drive shaft is coupled via a seal to an internal chain A baking oven heated by circulation of hot-air comprising a baking compartment with a turntable at the bottom thereof adapted for receiving a multiple rack cart which carries the material to be baked and which is rotated around a vertical axis. The turnta...	10/28/1986
4519337	Apparatus for continuous hot dipping of metal strip In continuous hot dipping of metal strip, the tension of the strip at pre-treatment furnaces and that at air-wiping nozzles are isolated and made independent of each other. For this purpose bridle rolls driven by motors are disposed downstream of the pre-...	05/28/1985
4315486	Floating radiant tube sheets for vertical tube reformers and the like Floatable tube sheets are provided for use in a reformer furnace or the like wherein a plurality of vertically oriented catalyst tubes are disposed in the fire box with the upper tube ends extending through the fire box roof. The tube sheets are located p...	02/16/1982
4268977	Sealing apparatus for ovens A non-contact seal for thin film treating ovens to prevent leakage of gas both into and out of the oven at the film entry and exit points. An inert buffer gas is introduced into a narrow sealing slit defined between a pair of upper and lower sealing membe...	05/26/1981
4225197	Insulation structure for kiln rollers and element for use therewith An insulation structure includes a hollow housing having first and second side walls spaced from each other, defining therebetween the interior of the housing. The walls are provided with a plurality of throughgoing holes. A plurality of rotatable rollers...	09/30/1980
4204856	Edge stretching apparatus including insulated seal An apparatus for sealing between edge control machines and forming chamber sidewalls is disclosed. The invention comprises collar means mounted surrounding the barrel of the edge control machine, alignment means fastened to the edge control machine for ma...	05/27/1980
4185810	Device for cooling long items of material which have been heated An improved apparatus for cooling heated metal items such as extrusion billets, and in particular billets of aluminum alloys is disclosed. The apparatus comprises a cooling chamber, means for transporting individual billets into and out of the cooling cha...	01/29/1980
3987738	Seal for a traveling grate A grate chain with a plurality of chain members hingedly joined together by bolts and having lateral edge plates with outwardly directed slide lips by which they are sealingly supported in the traveling grate housing....	10/26/1976
3982887	Flux-free soldering of aluminum-containing workpieces in a controlled atmosphere A furnace for flux-free soldering of aluminum-containing workpieces in a controlled atmosphere has a furnace chamber through which workpieces to be soldered are made to travel. The furnace chamber itself is a gas-tight metallic muffle which is thermally i...	09/28/1976
3948494	Walking beam furnace A walking beam furnace has an elongated hearth with a longitudinal slot, and a walking beam is positioned within the slot. The bottom edge of the walking beam is provided with a rack which is engaged by a plurality of crank lever pins which are pivoted in...	04/06/1976
3947242	Roller hearth furnace for glass sheets A roller hearth furnace having a plurality of horizontally elongated furnace modules aligned with each other in an end-to-end relationship so a roller conveyor may carry glass sheets horizontally through the furnace and thereby heat the glass prior to tem...	03/30/1976
3934970	Glass tempering system A glass tempering system including a roller hearth furnace that has a conveyor with elongated rollers extending through an elongated heating chamber of the furnace and outwardly through elongated slots in the sides of the furnace so as to be supported on ...	01/27/1976

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Class 432/244 - Seal at chamber wall for conveyor arm or shaft