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US 4,411,621 AGranted
Furnace wall construction
OwnerThomas M. Millerinventor
Life of this patent
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OwnerThomas M. Millerinventor
Estimating the term…
A forge furnace chamber has rear, side and top walls each defined by an expanded sheet metal member and U-shaped mats of ceramic fiber insulating material supported thereon. First ones of the U-shaped mats have the closed ends thereof abutting the corresponding expanded sheet metal member with the legs of each mat extending inwardly of the chamber, and second ones of the mats have their closed ends facing inwardly of the chamber with the legs of each mat receiving the adjacent legs of an adjacent pair of the first mats therebetween, whereby the closed ends of the second mats extend across the inner ends of the adjacent legs of the first mats. The interleaved mats of insulating material are supported on the corresponding expanded sheet metal member by metal rods extending between the legs of the first mats adjacent the closed ends thereof and wire ties fastening the rods to the expanded sheet metal member.
A wall construction for a heating chamber comprising, open metal mesh means providing an exposed outer wall surface for said heating chamber and having outer and inner sides said metal mesh means having pairs of parallel spaced apart edges, mat means of fibrous insulating material covering said inner side of said metal mesh means between said pairs of edges, said mat means including U-shaped sections having parallel legs and an integral bridging portion therebetween, said bridging portions facing said inner side of said metal mesh means and said legs extending inwardly from said inner side of said metal mesh means and between one of said pairs of edges thereof in parallel relationship with respect to one another, support rod means extending between said one pair of edges of said metal mesh means and between the legs of said U-shaped sections adjacent said bridging portion therebetween, and a plurality of fastener elements spaced apart along said support rod means and connecting said support rod means to said metal mesh means, each said fastener element having an inner end extending around said support rod means and an outer end interengaged with said metal mesh means.
A wall construction for a heating chamber comprising, frame means including pairs of parallel spaced apart frame members, open metal mesh means providing an outer wall surface and having outer and inner sides, said metal mesh means having peripheral edge means secured to said frame means, a plurality of U-shaped mats of fibrous insulating material having parallel legs and an integral bridging portion therebetween, the planes of said legs being perpendicular to one of said pairs of frame members and said mats extending between said one pair of frame members in parallel relationship with respect to one another and with the bridging portions thereof abutting said inner side of said metal mesh means, said legs of said mats having inner ends spaced inwardly from said inner side of said metal mesh means, support rod means extending between said one pair of frame members and between the legs of said mats adjacent the bridging portions therebetween, and a plurality of fastening means spaced apart along said support rod means and directly connecting said support rod means to said metal mesh means, said fastening means including a plurality of wire elements each having an inner end extending around said support rod means and outer end means interengaged with said metal mesh means.
A wall construction for a furnace chamber comprising, open metal mesh means providing an outer wall surface having outer and inner sides, a plurality of first U-shaped mats of fibrous material having parallel legs and an integral bridging portion therebetween, said first mats being disposed in parallel juxtaposed relationship with respect to one another and with the bridging portions thereof abutting said inner side of said metal mesh means, said legs of said first mats having inner ends spaced inwardly from said inner side of said metal mesh means, a plurality of second U-shaped mats of fibrous insulating material having parallel legs and an integral bridging portion therebetween, said second mats being disposed with the bridging portions thereof extending across the inner ends of adjacent legs of adjacent ones of said first mats with the legs of said second mats receiving said adjacent legs therebetween and extending toward the bridging portions of said adjacent ones of said first mats, support rod means extending between the legs of said first mats adjacent the bridging portions therebetween, and fastening means fastening said support rod means to said metal mesh means, said fastening means including a plurality of wire elements each having an inner end extending around said support rod means and outer end means interengaged with said metal mesh means.
A furnace chamber comprising upright front and back walls, upright side walls between said front and back walls, a bottom wall, and a top wall, said back wall and said side walls each including open metal mesh means providing an outer wall surface and pluralities of first and second U-shaped mats of fibrous insulating material supported on said metal mesh means and providing an inner surface for the corresponding wall, each said first and second mats having planar parallel legs and an integral bridging portion therebetween and said parallel legs having ends spaced from said bridging portion, said first mats being disposed in parallel juxtaposed relationship with respect to one another and with the bridging portions thereof abutting the corresponding metal mesh means, whereby the ends of the legs of said first mats are spaced from said corresponding metal mesh means, said second mats being disposed with the bridging portions thereof extending across the ends of adjacent legs of adjacent ones of said first mats with the legs of said second mats receiving said adjacent legs therebetween and extending toward the bridging portions of said adjacent ones of said first mats, support rod means extending between the legs of said first mats adjacent the bridging portions thereof, and fastening means fastening said support rod means to the corresponding metal mesh means, said fastening means including a plurality of wire elements each having an inner end extending around said support rod means and outer end means interengaged with said metal mesh means.
A furnace chamber comprising upright front and back walls, upright side walls between said front and back walls, a bottom wall, and a top wall, said back wall and said side walls each including open metal mesh means providing an outer wall surface and pluralities of first and secod U-shaped mats of fibrous insulating material supported on said metal mesh means and providing an inner surface for the corresponding wall, each said first and second mats having planar parallel legs and an integral bridging portion therebetween and said parallel legs having ends spaced from said bridging portion, said first mats being disposed in parallel juxtaposed relationship with respect to one another and with the bridging portions thereof abutting the corresponding metal mesh means, whereby the ends of the legs of said first mats are spaced from said corresponding metal mesh means, said second mats being disposed with the bridging portions thereof extending across the ends of adjacent ones of said first mats with the legs of said second mats receiving said adjacent legs therebetween and extending toward the bridging portions of said adjacent ones of said first mats, support rod means extending between the legs of said first mats adjacent the bridging portions thereof, fastening means fastening said support rod means to the corresponding metal mesh means, and said upen metal mesh means of each said side wall being perpendicular to said open metal mesh means of said back wall providing corners therebetween perpendicular to the planes of the legs of said first and second mats of said back and side walls, said first and second mats on said metal mesh means of said back wall and side walls extending into said corners and having cooperatively contoured interengaging recesses parallel to the metal mesh means of said back and side walls.
A wall construction for a heating chamber comprising, open metal mesh means providing an exposed outer wall surface for said heating chamber and having outer and inner sides, said metal mesh means having pairs of parallel spaced apart edges, mat means of fibrous insulating material covering said inner side of said metal mesh means between said pairs of edges, said mat means including U-shaped sections having parallel legs and an integral bridging portion therebetween, said bridging portions facing said inner side of said metal mesh means and said legs extending inwardly from said inner side of said metal mesh means and between one of said pairs of edges thereof in parallel relationship with respect to one another, support rod means extending between said one pair of edges of said metal mesh means and between the legs of said U-shaped sections adjacent said bridging portion therebetween, and a plurality of fastening means spaced apart along said support rod means and connecting said support rod means to said metal mesh means, said fastening means including a plurality of wire elements each having an inner end extending around said support rod means and outer end means interengaged with said metal mesh means.
Dependencies are inferred from the claim text.