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Class 432/254.1 - Fluid tight metallic heat transferring box, shield or hood


Subclass of Class 432 - Heating
Definition: Apparatus comprising a removable enclosing receptacle or
No. of patents: 15
Last issue date: 12/02/2003


NumberTitleIssue Date
6655956Metal frame for metal coils to be heat-treated
A support frame for metal coils, which are stacked on top of each other for a heat treatment by means of a hot, gaseous medium, especially in bell-type annealing furnaces, has devices on the support frame for guiding the flow of the medium through the coi...
12/02/2003
6655955Coolable arched roof
A coolable arched roof for a high-temperature melting furnace having a furnace interior. At least the following layers are present on that side of a layer of refractory bricks, which is remote from the furnace interior: a sealing layer, which is used to s...
12/02/2003
6612835High-temperature, non-catalytic, infrared heater
A high-temperature, non-catalytic, infrared heater is formed within a housing having a bottom and at least one side lined with a refractory material. The burner includes a burner surface area and is positioned within the housing. A re-radiating surface is...
09/02/2003
6129256Reflow furnace for an electronic assembly
The invention provides a reflow furnace for an electronic assembly. The electronic assembly comprises a printed circuit board and a device on the printed circuit board. The printed circuit board has solder at a first area near the device and a metallic su...
10/10/2000
5871688Multi-stack annealer
An annealing furnace is disclosed including at least one inner cover for retaining a stack of metal coils to be annealed in an inert atmosphere. A furnace shell is provided for receiving said at least one inner cover and providing an internal furnace envi...
02/16/1999
5419699Seal arrangement for batch coil annealing furnace
An improved seal arrangement is disclosed for use in batch coil annealing furnaces. The furnace has extending from its base a pair of cylindrical upright supports having exposed membrane engaging seal edges and between which an underpressure chamber is fo...
05/30/1995
5364266Method and apparatus for increasing furnace capacity
The present invention provides an inexpensive furnace modification which increases the productivity of the furnaces without requiring extensions to the furnace member or the surrounding building. Existing inner covers are extended a predetermined amount t...
11/15/1994
5033926Heat retaining means
Screens for limiting heat losses from heated material, e.g. bars and slabs in rolling mills. Screens are provided in the form of strings of heat insulating bodies composed of metal shells containing insulating material. These screens may form curtains and...
07/23/1991
5011794Procedure for rapid thermal annealing of implanted semiconductors
This invention is directed to the fabrication of semiconductor devices, especially those comprising III-V and II-VI compound semiconductor materials, and involves Rapid Thermal Annealing (RTA) of semiconductor wafers, especially those implanted with a dop...
04/30/1991
4813654Annealing furnace base construction
A base for a heat treating furnace for annealing coils of steel strip. The base supports the coils in a sealed compartment through which an inert gas is circulated, and defines the bottom of the sealed compartment. The base comprises a top plate assembly,...
03/21/1989
4278242Bell-type coil annealing furnace inner cover
An inner cover for a bell-type annealing or thermal processing furnace having a thin walled cylindrical body formed from textured heat resistant stainless steel and/or nickle chrome alloy closed at its upper end and having one or more outwardly flared con...
07/14/1981
4219328Apparatus for firing low density graphite/alumina cores
A setter is configured to minimize distortion of a core supported during firing. The configuration also provides for adequate gas flow both to envelope the core and to provide an aspiration effort to cause the gas to be drawn downwardly through and about ...
08/26/1980
4189129Apparatus for protecting parts in heating and cooling processing cycles thereof
The invention provides means for processing novel heat treated parts, eliminating danger of contamination of the parts from contaminating ambient or other air and gases. The invention further assures uniform, maximum efficiency in achieving the special ha...
02/19/1980
4147506Method and apparatus for heating coils of strip
Coils of strip to be annealed are placed in a furnace with their eye vertical and are heated to the annealing temperature by heating elements on the furnace side wall at the same elevation as the coils. An insulation shield is provided between the heating...
04/03/1979
4142712Method and apparatus for effecting uniform heat transfer in an industrial furnace
A heat treating furnace is provided with high momentum burners for uniformly heating each work item therein primarily by convective heating. A plurality of work items are spaced in a row on a furnace base and enclosed by an outer cover sealed to the base ...
03/06/1979
 
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