US146147A - Improvement in arch-irons for furnace-mouths - Google Patents

Improvement in arch-irons for furnace-mouths Download PDF

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US146147A
US146147A US146147DA US146147A US 146147 A US146147 A US 146147A US 146147D A US146147D A US 146147DA US 146147 A US146147 A US 146147A
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Prior art keywords
arch
furnace
iron
irons
mouths
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23MCASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M7/00Doors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/18Door frames; Doors, lids, removable covers
    • F27D1/1858Doors

Definitions

  • Fig. 2 is a -sectional rear view of the same.
  • Fig. 3 is a side view of the same.
  • This invention relates to an arch-iron, which is corrugated so that, when the 'bricks from which the arch is formed are placed on said arch-iron, air chambers are produced, and thereby the heat on both sides of the metal is equalized, and the arch-iron is prevented from warping or cracking by the expansion or contraction.
  • a flange provided with lugs, the faces or upper ends of which form inclined planes to receive pins projecting from the doors, and made inclined on their under sides, to correspond to the inclines of the lugs, in such a manner that the weight of the door causes the same to slide up close to the face of the flange, and at the same time the door is free to give, if it should warp or expand by the heat, or if it should be desirable from any other cause, thereby avoiding all danger of having the door wedged in too4 tight, or of having the supporting-lugs broken.
  • the letter A designates my arch-iron, which, in the example shown, is provided with a ange, B, and with a base-plate, p
  • the door is held close up to the iiange by its inherent gravity; and at the same time, if the door should warp from the heat, or should be forced back from the ilange by any inequality in the expansion, or from some other cause, the pins slide up on the i11- clines of the supporting-lugs, and the danger of having said lugs broken, or of having the door wedged in too tight, is entirely avoided.
  • My door can always be readily put on or removed, and it can be luted Without diinculty.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Description

` T. sHAnTs. Arch-Hans for Furnace Months'.` l Nos 145,147l v Patentedlamnsm wmwmwmmnn UNITED STATES PATENT FFIcn THEODORE SHARTS, OF NEW YORK, N. Y.
IMPROVEMENT IN ARCH-IRONS FOR FURNACE-MOUTHS.
`Specification forming part of Leiters Patent No. 146.147, dated January G. 1374; applicati@ filed May 31, 1873.
To all whom it may concern:
- vention. Fig. 2 is a -sectional rear view of the same. Fig. 3 is a side view of the same.
Similar letters indicate corresponding parts.
This invention relates to an arch-iron, which is corrugated so that, when the 'bricks from which the arch is formed are placed on said arch-iron, air chambers are produced, and thereby the heat on both sides of the metal is equalized, and the arch-iron is prevented from warping or cracking by the expansion or contraction.- With the arch-iron is combined a flange provided with lugs, the faces or upper ends of which form inclined planes to receive pins projecting from the doors, and made inclined on their under sides, to correspond to the inclines of the lugs, in such a manner that the weight of the door causes the same to slide up close to the face of the flange, and at the same time the door is free to give, if it should warp or expand by the heat, or if it should be desirable from any other cause, thereby avoiding all danger of having the door wedged in too4 tight, or of having the supporting-lugs broken.
In the drawing, the letter A designates my arch-iron, which, in the example shown, is provided with a ange, B, and with a base-plate, p
C, but which may be made without such flange and base-plate, according to the position in which it is to be used. The body of my archiron is corrugated, as shown in Figs.
2 and 3, so that, when the bricks which form the arch are put on, air-chambers are produced between said bricks and the arch-iron, and thereby the heat throughout the body of the metal which composesthe arch-iron is equalized, and the arch-iron is not liable to warp or crack from unequal expansion or contraction. The safety of my arch-iron is still further increased by a certain elasticity which the same attains on account of its corrugated form. On the outside of the iiange B of my arch-iron are formed lugs a, the upper ends or edges of which form inclined planes b, (see Fig. 3,) and on the door D are secured pins c, which project beyond its edges, and the under sides of which are inclined to correspond to the inclined planes b of the lugs.
If the door is placed against the iiange B,` and the inclined sides of the pins c are made i to bear on the inclined planes of the supporting-lugs a, the door is held close up to the iiange by its inherent gravity; and at the same time, if the door should warp from the heat, or should be forced back from the ilange by any inequality in the expansion, or from some other cause, the pins slide up on the i11- clines of the supporting-lugs, and the danger of having said lugs broken, or of having the door wedged in too tight, is entirely avoided.
My door can always be readily put on or removed, and it can be luted Without diinculty.
US146147D Improvement in arch-irons for furnace-mouths Expired - Lifetime US146147A (en)

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US146147A true US146147A (en) 1874-01-06

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