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| Kachelofen |
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Stove having extruded door opening and method of making same
| Details |
Inventors: Bailey, Charles L.; Baker, Roy D.;
Assignee: Eagle-Picher Industries, Inc. (Cincinnati, OH)
Primary Examiner: Scott; Samuel
Assistant Examiner: Anderson; G.
Attorney, Agent or Firm: Wood, Herron & Evans
Door structure is provided for a wood-burning stove which is less susceptible to warping in use than a conventional flanged stove door opening. The door opening is formed by a process of cold drawing or extruding a rounded lip or flange which is integral with the stove front plate. Internal door structure provides angulation of the door with respect to the stove front plate. |
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DETAILED DESCRIPTION Therefore, having specifically described our invention, we claim: 1.
Door and door opening structure for wood-burning stove, the door opening structure comprising, a stove front plate having a fueling opening in it, a door flange projecting fowardly around the opening, the flange being integral with the plate, there being a round corner where the flange joins the plate; the flange having an inturned lip at its outer edge, the door comprising, an outer plate, an inner plate, and a shim plate, said shim plate being connected between the outer and inner plates and providing spacing between them, wherein said spacing increases from the top to the bottom of said inner and outer plate, and wherein said shim plate at an upper edge portion thereof adjoins the outer plate and at a lower edge portion thereof has an outwardly turned lip mounted to said outer plate and which angulates said shim plate with respect to the outer plate, there by defining said spacing between the inner and outer plates, said inner plate being mounted to said shim plate and being angulated by the shim plate with respect to said outer plate.
2.
The structure of claim 1 wherein said flange is weld-free.
3.
The structure of claim 1 wherein said flange is drawn from said stove front plate and completely surrounds said opening.
4.
The structure of claim 3 wherein said flange projects uniform distance from said plate around said opening.
5.
The structure of claim 4 wherein said opening is generally rectangular with rounded corners.
6.
A stove door as claimed in claim 1, wherein said inner plate has an outer peripheral edge, a seal-receiving channel is provided along said outer edge, and a sealing gasket is seated within said channel.
7.
A stove door as claimed in claim 1, including a latching means comprising one or more camming tongues rotatably mounted to said door by means of one or more handles.
8.
The structure of claim 1 wherein said spacing defines an air space which provides a heat barrier between said inner and outer plates
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Heat Accumulators 
