US341569A - Rolling i-beams into plates - Google Patents

Description

(No Model.)

w. H. GRAHAM.-

ROLLING .I-BEAMS INTO PLATES.

Patented May 11, 1886.

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N. PETERS, Plmtn-Lflhugmphcn Washinginn n. c.

UNITED STATES PATENT OFFICE.

WILLIAM H. GRAHAM, OF IITTSBURG, ASSIGNOR" OF TXVOTHIRDS TO HAY WVALKER, JR, TRUSTEE, OF ALLEGHENY, AND A. MILLIKEN, OF MILL- VALE BOROUGH, PENNSYLVANIA.

ROLLlNG I-BEAMS INTO PLATES.

SPECIFICATION forming part of Letters Patent No. 341,569, dated lviay 11., 1886.

' Application filed January 18, 1886. Serial No. 188,839. '(No model.)

To aZZ whom it may concern: \Vith rolls thus constructed the operation Be it known that I, VVILLIAM H. GRAHAM, of reducing the beam end or butt is as folofPittsburg, in the county of Allegheny and lows, viz: The beam 0, properly heated, isin-v 5 State of Pennsylvania, have invented a new serted at the first pass, 2, the top flanges, c,

5 and useful Improvement in Rolling I-Beams entering the grooves 6, and the bottom flanges, Down into Plates; and I do hereby declare the c, entering the grooves 14 and resting on the followlng to be a full, clear, and exact descripinclined bottoms of the same. The grooves 6, tion thereof. being shallower than the flanges 0, reduce the 60 My invention has for its object the rolling height of the latter sufficiently to enable them [0 down of the butts and ends of steel I-beams to be entered into the grooves 7 of the second into flat plates, for use in the manufacture of pass,and the inclined grooves 14turnthe1ower eut nails and other articles to which such flanges, 0', out sufficiently to enable them to plates may be applicable. The beams which be enteredinto the grooves of the second 6 5 are used for structural purposes are made of pass, producing a bar having a cross-section I5 Bessemer steel, which is lacking in welding like that shown in Fig. 3. This bar is then qualities, so that if two surfaces are laid or put successively through the passes 3, 4, and plicated upon each other in rolling they will 5, being thereby transformed into the shapes 1 not unite perfectly, but will form a seam or shown by Figs. 4, 5, and 6. It is then ready 7o defect and render that part of the plate useless to be put through the plain finishing-rolls, by for most purposes. which it is formed into a smooth flat plate, My invention is designed to effect the rewhich may be cut up into nail-plates or'other duction of the double-flanged I-beam to a flat articles. plate without plication, seam, or similar de- If desired the rolls a b may be provided feet, and at the same time to produce by lonwith plain finishing-surfaces, so that the plate 25 gitudinal rolling a plate of greater width than may be finished therein, and thus obviate the the bar or beam from which it is made. necessity of taking it to another pair of rolls; To enable others skilled in the art to make or, if desired, the several grooves may be use of my invention, I will now describe it by made in separate rolls. reference to the accompanying drawings, in I do not limit myself to any particular num- 0 whichher of reducing-grooves.

Figure 1 is an elevation of a pair of rolls of In the operation thus described the top my improved construction. Figs. 2 to 6 are flanges, c, are forced down into the body or sections of the beam before and after the sucweb 0 of the beam, and are not plicated or cessive passes through the rolls. folded on the. same, so that the top of the plate 5 Like symbols of reference indicate like is made without crease or seam. The bottom parts. flanges are not reduced, but are turned out The rolls a and b are mounted in housings, sidewise until they are added to the width of and are driven in the usual way. Four passes, the beam, and thus I produce a plate of greater o numbered 2, 3, 4., and 5, are shown. The widththan the beam 0.

40 upper roll has at each pass a pair of reducing- In this manner I are enabled to utilize the grooves, for receiving the upper flanges, c o, butts and short pieces of steel I-beams, which of the beam end 0, and a wide tongue which are produced in quantities in shearing off the enters the top channel of the beam. These ends of such beams, without first slitting them 5 grooves are numbered, respectively, 6 7 8 9, longitudinally to separate the flanges and web,

5 and the tongues 10 11 12 13. The lower roll and by thus reducing the entire piece to a has shallow grooves 14 15 16, with inclined single seamless plate I obtain a much larger bottoms in the first three passes, 2 3 4:, the and more useful plate. angle of inclination decreasing in each suc- Iron beams can be rolled in the same way. cessive pass, and at the last pass, 5, the face That I claim as my invention, and desire to 50 of the lower roll is nearly plain. The ends of secure by Letters Patent, is-

the passes are bounded by the collars of the 1. The method of transforming I.-beamsinto ro11s. plates, which consistsin rolling the top flanges down into the web without plieation or seam, and at the same time turning the lower flanges out into line with the web, substantially as and for the purposes described.

2. The combination, in a rolling-mill for rolling the butts and ends of I-bearns down into plates, of a pair of rolls, one having a series of vertical grooves for reducing the height of the top flanges gradually by succes- 1o sive passes down into the web, and the other having opposite inclined grooves for turning the lower flanges gradually out into line with the web, substantially as and for the purposes described.

In testimony whereof I have hereunto set 15 my hand this 8th day of January, A. D. 1886.

WILLIAM H. GRAHAM. \Vitnesses:

W. B. CORWIN, THOMAS B. KERR.

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