US469875A - John j - Google Patents

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Publication number
US469875A
US469875A US469875DA US469875A US 469875 A US469875 A US 469875A US 469875D A US469875D A US 469875DA US 469875 A US469875 A US 469875A
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board
backing
wood
metal
flange
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/002Surrounds

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  • My invention relates to that class of stoveboards each of which consists of a sheet of metal, usually embossed tin-plate, mounted on a wooden backing, the sheet metal extending over the edge of the Wooden backing in the manner of a binding.
  • such boards are old and well known, and they have been made of various formscircular, rectangular, and oblong,with rounded corners.
  • My present invention consists of a stoveboard of metal plate with a wooden backing, having a raised bead around its margin, the crease in the metal at the inside of the bead extending down into the wood and the wood filling or measurably filling the bead in the metal.
  • the metal of the board rises slightly above the general level of the wooden backing on the surface of the board within the space inclosed by the crease, as will be explained.
  • Figure 1 is a plan view of a stoveboard embodying my improvements
  • Fig. 2 is a transverse section of the same on line 2 2 in Fig. 1.
  • Figs. 3, 3, and 3 illustrate the mode I usually follow in making the board.
  • Fig. 3 illustrates the first operation, which consists in flanging the sheet metal.
  • Fig. 3 illustrates the second operation, which consists in applying the flanged sheet to the board and turning the flange down upon the back of the same; and
  • Fig. 3 illustrates the final creasing operation.
  • Fig. 4 is a similar View to Fig. 3 illustrating a slight modification.
  • the board is now put in a die or press and a deep crease 6 formed by pressing the sheet metal down into the wood of the backing just inside of the head 0. This is represented in Fig. 3 where the dotted lines roughly inclicate the forms of the dies that may be used.
  • Fig. 4 is a sectional view designed to illustrate a slight modification of the construction, wherein the margin of the flange b is forced into the relatively softer material of the backing at g by a creasing-die or similar mechanical means.
  • This creasing serves to hold the flange firmly against slipping while the crease e is being formed and to permit the upper creasing-die to draw the metal snugly over the edge of the backing.
  • the backing will usually be of wood; but it might bemade of other relatively soft material, as straw lumber, for example. I do not limit myself to wood for a lining or backing.
  • My construction provides the board with a firm metallic binding, the rigidity, compactness, and neatness of which is due to the formation of the deep crease c. This creasing being effected while the flange b is held fast,
  • the board is creased as above de-- scribed and the main upper surface of the metal made slightly convex or cushion-like, the appearance presented is that of a stitched binding, and to enhance the appearance of the board and increase the resemblance the creas- 1ng-die may be so constructed as to make markings in the crease which simulate stitches. These, however, are not essential.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Description

J J SWEENEY STOVE BOARD 0R PLATFORM.
Patented Mar. 1. 1892.
INVENTORI llNrrE JOHN J. swEENEY, OF NEW YORK, N. Y.
STOVE BOARD OR PLATFORM.
SPECIFICATION forming part of Letters Patent No. 469,875, dated March 1, 1892.
Application filed March 14, 1891.
To all whom it may concern.-
Be it known that I, JOHN J. SWEENEY, a citizen of the United States, residing in the city, county, and State of New York, have invented certain Improvements in Stove Boards or Platforms, of which the following is a specification.
My invention relates to that class of stoveboards each of which consists of a sheet of metal, usually embossed tin-plate, mounted on a wooden backing, the sheet metal extending over the edge of the Wooden backing in the manner of a binding. Broadly speaking, such boards are old and well known, and they have been made of various formscircular, rectangular, and oblong,with rounded corners.
My present invention consists of a stoveboard of metal plate with a wooden backing, having a raised bead around its margin, the crease in the metal at the inside of the bead extending down into the wood and the wood filling or measurably filling the bead in the metal. Preferably, also, the metal of the board rises slightly above the general level of the wooden backing on the surface of the board within the space inclosed by the crease, as will be explained.
In the drawingswhich serve to illustrate my invention, Figure 1 is a plan view of a stoveboard embodying my improvements, andFig. 2 is a transverse section of the same on line 2 2 in Fig. 1. These views show a rectangular oblong board with rounded corners. Figs. 3, 3, and 3 illustrate the mode I usually follow in making the board. Fig. 3 illustrates the first operation, which consists in flanging the sheet metal. Fig. 3 illustrates the second operation, which consists in applying the flanged sheet to the board and turning the flange down upon the back of the same; and
Fig. 3 illustrates the final creasing operation.
Fig. 4 is a similar View to Fig. 3 illustrating a slight modification.
In order to the better understanding of my invention I will explain howIproceed toconstruct the board, premising that other modes of manufacture may, however, be employed.
I take a piece of sheet metal a, usually embossed tin-plate, and cutit to the proper shape. I then, in a suitable die or press, form on its margin the primary flange b and a slight head 0 on its face side. The flange will be turned serial No. 385,057- (No model.)
toward the back. The sheet thus beaded and flanged is seen in Fig. 3, wherein the dotted lines represent the position the wooden backing d is to occupy. This backing is usually made of two layers of thin material with the grain crossed. The next step is to place the backing,-and then turn the surplus portion 1) of the flange I) over and down upon the back or outer face of the wood, as seen in Fig. 3.
The board is now put in a die or press and a deep crease 6 formed by pressing the sheet metal down into the wood of the backing just inside of the head 0. This is represented in Fig. 3 where the dotted lines roughly inclicate the forms of the dies that may be used.
much above the wood over the central por-' tion of the surface of the board, but to avoid the unsightly concavityv and irregularity of the surface found in many boards as ordinarily constructed.
Fig. 4 is a sectional view designed to illustrate a slight modification of the construction, wherein the margin of the flange b is forced into the relatively softer material of the backing at g by a creasing-die or similar mechanical means. This creasing serves to hold the flange firmly against slipping while the crease e is being formed and to permit the upper creasing-die to draw the metal snugly over the edge of the backing. The backing will usually be of wood; but it might bemade of other relatively soft material, as straw lumber, for example. I do not limit myself to wood for a lining or backing.
My construction provides the board with a firm metallic binding, the rigidity, compactness, and neatness of which is due to the formation of the deep crease c. This creasing being effected while the flange b is held fast,
the effect is to draw the sheet metal snuglyover the edge of the wood. I
IVhen the board is creased as above de-- scribed and the main upper surface of the metal made slightly convex or cushion-like, the appearance presented is that of a stitched binding, and to enhance the appearance of the board and increase the resemblance the creas- 1ng-die may be so constructed as to make markings in the crease which simulate stitches. These, however, are not essential.
I do not herein claim the method of making the board described, as this forms the subjectmatter of another application filed by me. It may be by any method, either with the aid of machinery or by hand with tools.
Having thus described my invention, I claim- As an improved article of manufacture, a
US469875D John j Expired - Lifetime US469875A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2700780A (en) * 1951-09-29 1955-02-01 Frederick W Stein Boat hull constructed of panels
US4416251A (en) * 1981-10-30 1983-11-22 Rachels-Horton Industries, Inc. Thermoshield

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2700780A (en) * 1951-09-29 1955-02-01 Frederick W Stein Boat hull constructed of panels
US4416251A (en) * 1981-10-30 1983-11-22 Rachels-Horton Industries, Inc. Thermoshield

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