US574708A - Method of making squares - Google Patents

Description

(No Model.)

P.B.BRADLBY. MBTHGD 0E' MAKING SQUARES.

Patented Jan. 5, 1897.

Fpg-l- INVENTOR WITN ESSES UNITED STATES PATENT OEEICE.

FRANKLIN B. BRADLEY, OF BRIDGEPCRT, CONNECTICUT.

METHOD OF MAKING SQUARES.

SPECIFICATION forming part of Letters Patent No. 574,708, dated January 5, 1897.

' Application filed April 6, 1896. Serial ND. 586,297. (No model.)

T0 if/ZZ whom, it may concerne.'

Be it known that I, FRANKLIN B. BRADLEY, a citizen of the United States, residing at Bridgeport, in the county of Faireld and State of Connecticut, have invented a certain new and useful Improved Method of Making Squares; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to the art of making squares and similar articles, and 'has forits object to so improve the method of manufacture as to produce a plurality ot' squares ata single operation.

W ith these ends in view I have devised the new and improved method of making squares, which I will now describe, referring by letters to the accompanying drawings, forming part of this speeiiieation, in which- Figure l is a plan view illustrating one way in which I carry my novel method into effect in making four squares at a single operation; Fig. 2, a similar view illustrating one way in which I carry my novel method into effect in making two squares at a single operation; Fig. 3, a similar view illustrating another way in which I carry my novel method into effect in making four squares at a single operation; and Fig. 4 is a similar View illustrating another Way in which I carry my novel method into effect in making two squares at a single operation.

In carrying my invention into elfect, supposing that it is desired to make four squares at a single operation, I either take a blank of metal, such, for example, as I have indicated by A in Fig. l, of suitable length to form the long arms of two squares lying end to end and of suitable width to form the long arms of two squares lying side by side, and in connection with this blank a second blank, such, for example, as I have indicated by B in Fig. l, of suitable length to form the short arms of two squares lying end to end and of suitable width to form the short arms of two squares lying side by side, or else I take two blanks of metal, such, for example, as I have indicated by A in Fig. 3, each of which is of suitable length to form the long arms of two squares lying end to end and of suitable width to form the long arm of a single square, and in connection with these blanks I take two other blanks, such, for example, as I have indicated by B in Fig. 3, each of which is of suitable length to form the short arms of two squares` lying end to end and of suitable width to form the short arm of a single square. These blanks are laid across each other at midlength at right angles. In this position they are heated and either welded or brazed together. The blanks may or may not be recessed at their point of intersection, as preferred. Having formed either the two blanks or the fourbla-nks into one compound blank under heat, the compound blank is then separated in any suitable manner, as by means of shears, dies, ora saw, on the lines indicated by a and I) into four complete squares. It will be noticed in Fig. 1 that the line a extends the entire length of blank A and the line b extends the entirelength of blank B, but in Fig. 3 the blanks A' are normally independent of each other and are only united at their point of intersection with the blanks B, which are likewise normally independent of each other in the act of welding or brazing. The lines a and b therefore in this mode of carrying my invention into effect are both short lines, and the separation of the compound blank into four complete squares may be readily per formed by a single blow of a die.

Should it be required to make two squares at a single operation, instead of four, I either take a blank of metal, such, for example, as I have indicated by C in Fig. 2, of suitable width to form the long arms of two squares and of suitable length to form the long arm of one square, and in connection with this blank a second blank, such, for example, as I have indicated by D in 2, of suitable length to form the short arms of two squares lying end to end and of suitable width to form the short arm of a single square, or else I take two blanks of metal, such, for example, as I have indicated by C in Fig. 4, each of which is of suitable length and width to form the long arm of a single square, and in connection therewith a blank D of sufficient length to form the short arms of two squares and of sufficient width to form the short arm of a single square. These blanks are then laid across each other and either welded or brazed together under heat in the same manner as before, blank D lying at the eXtreme end of the blank C or the two blanks C and at right angles thereto, as clearly shown in either Figs. 2 or 4. The compound blank is then separated into two complete squares on the line indicated by c in any suitable manner, as by means ot' shears, dies, or a saw. It will be noticed in Fig. 2 that the line o extends the entire length of blank C; but in Fig. t the blanks C' are normally independent of each other and are only united at their point of intersection with blank D in the act of welding or brazing. The line c therefore in this mode of carrying my invention into effect is a short line, and the separation of the compound blank into two complete squares may be readily performed by a single blow of adie.

It will of course be apparent that the mode of carrying my invention into effect illustrated in Fig. 2 may be readily reversed by taking a blank of suitable length to form the short arm of a single square, instead of the long arm, and of suitable width to form the short arms of two squares, and in connection with this blank a blank of suitable length to form the long arms ot' two squares, instead of the short arms, and of suitable width to form the long arm of one square. The same princple is likewise true as applied to Fig. 4t, it being of course understood that one of the blanks is of suitable length to form an arm of two squares and of suitable width to form an arm of a single square and that the other blank is of suitable length to form the other arm of a single square and of suitable width to form the other arm of two squares, or else that two independent blanks, each of which is of suitable length and width to form one of the arms of a square, are welded or brazed to a blank of suitable width to form the other arm of a single square and of suitable length to forni the other arm of two squares. As this is a mere reversal and the principle is precisely the same in either case, I have not deemed the reversal to require illustration.

It is of course well understood that in the manufacture of squares the operation of welding is the most expensive part of the operation. As this art has heretofore been carried on each square is made independently, a special welding operation being necessary to unite the two blanks which together comprise the square, this operation occupying just as much time and requiring just as much skill as the welding or brazing operationby which the compound blank for making either two or four squares is formed by my present method. The operation of separating the compound blank into the separate squares may be performed in Various ways and is a simple and inexpensive operation. After separating the compound blank into the complete squares the operations required in finishing the squares may be performed in the ordinary or any preferred manner.

Having thus described my invention, I claim- I. The improvement in the art of making squares which consists in taking one or more blanks of suitable size to form the long arms of a plurality of squares, taking a blank or blanks of suitable shape and size to form the short arms of a plurality of squares, welding or bra-zing said blanks together at right angles to each other and then separating the compound blank into independent squares.

E3. The improvement in the art of making squares which consists in taking one or more blanks of suitable length to form the long arms ot' two squares lying end to end and of suitable width to form the long arms of one or more squares lying side by side, taking one or more blanks of suitable length to form the short arms of two squares lying end to end and of suitable width to form the short arms of one or more squares lying side by side, placing said blanks across each other at right angles, then welding the blanks under heat into one compound blank and then separating the compound blank into four complete squares.

In testimony whereof I affix my sign atu re in presence of two witnesses.

FRANKLIN B. BRADLEY.

lVitnesses:

A. M. WoosrER, S. V. RICHARDSON.

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