US1757694A - Concrete reenforcement - Google Patents

Description

May 6, 1930.

CONCRETE REENF'ORCEMENT Filed A ril 4, 1927 2 Sheets-Sheet 1.

F1615, FIG. [9.

C. WEl CHOLD 1,757,694

May 6, 1930. c. WEICHOLD 1,757,694

CONCRETE REENFORCEMENT Filed April 4, 1927 2 Sheets-Sheet 2 enforcing bars,

8-8 of Fig. 7.

portion at each end forming extensions as 3,, of.

Patented May 6, l93Q Q 7 UNITED; -STATES [PATENT err-ma i ci iannns wEIcHoLD, or cmormvamr, onion i 'oononnrn nnnnrononivrniwr p j Application Jfiled A ri'1'4, 1927. Seria $6, 53. I

The object of my invention is to produce a fiat in soine instances, and bent downwardly reenforcement strip or bar, made of metal, to form legs 4, 4', in other instances. which is to be imbedded in theconcrete for "Itwill be noted that the flanges l, 1, and the Strengthening and reenforcing the concrete, U-partQ are formed of a curvilinear design 5 in order to keep the concrete inafixed and to avoid any sharp edges or corners. l normal position, prevent disintegration, and In order to form continuous bars I provide cracking and to prevent undue undulation of side extending ears, 5, 5, which (")i'rerlap" the surface of the concrete, thus retaining flanges 1, 1, when bent'upwarmy,arter es same in a desired condition. 'sectionsofbars 6 and 7haveibeen preesed'to 10 My new reenforcing bar can be used in gether as shown in Fig. 6, these ears 5,5, re 6b" many ways and varying positions, according vent any lateral p1ay,-and-them eting ads; to the concrete job worked'upon are' held together by nails 8 8,: passing It is very simple in construction and highly through holes 9, 9, in the bars 6 and-'7. 5 These eflicient in use, and is'formed in such a mannails hold the bars securelytogether and-"form 1 ner that no sharp or rough edges or points are a cheap andsimple uniting means. 1

present in its outlines and all parts are In Figs. 7 and 8the concrete part ofadriye rounded or curved in contour, to prevent way is marked 10 and th'e-cinders '12 and the cracking of the concrete. 1 space below the bars being filledfwith Icon- It is especially adaptable for use in floors, crete and abovethe bars shown at 13', the con 29 walls, drive ways, walks, steps andkindred crete extends several inches above the upper concrete constructions. mostparts of the bars a V In the accompanying drawing forming. In Figs? andsl show one detailed method I part of this specification: I r for using m'ynew reenforcing bars; in Fig.7, Fig. 1, is a plan view of one form of my re- 1 show how they can be crossed, one above the v otherlikeanX and 'othersplaced'on each side Fig. 2, is a side view thereof ,-the dotted thereof andiso inlbefiween'the Q lines in said Figs. 1 and 2 represent the bar Xs andin- F ig. 8, it is shown how said'bars'arej being straight, if it is desired to use such crossed; in Fig; 7,-itwi1-1 be seen that the bars form, 4 T are placed and distributed in aroadway so 30 Fig. 3, is a detail plan View showing two that the wheels of a-vehicle will. not in an so bars joined, to form a continuous length, the manner he unsupported across the entire area; bars broken, off at their ends, of the said road, andinsuchconstru'ction the Fig. 4, is a side view of parts shown in concrete will not crackand its surfacewill be Fi p supported inauniform manner, and strength- 35 Fig. 5, is a section taken on line 55 of m every par h reo a p Fig. 2, I r p Itff1sj shown1n Figs; 2 and v? how re I Fig. 6, is a section taken on line 66 of enfQrcmg bars m hm d y le a Fig 4, them together;'1nth1s way any length may be used;

Fig. 7, is-a planview of a drive way section, with the ends broken away showing one form of using my reenforcing bars in such a con-1 crete construction, and l Fig. 8, is an enlarged-section, taken on line 40' While I have shown the bars used" inv con-' motion with flat work they may, also be. used-inconnection withv upright walls and insuch constructions these joined strips may beusedv to, advantage,- altho the single. bars I may also be used, and for strengthand-sup- The bar is usually formed of one metal Port o fth t i ay ext nd infa hor=.' P havlng a y a1 1d a base (1 ng s izontaldirection to join the vertical or upliconnected y a ralsed U sectlon wl h right stripsand distributed in a mannerytd he ng 1, extending eyo d he raised support the wallv in allsections or parts the-rie- The reenforcing strip or bar maybe used as shown in Figs. and 6, or the same may be inverted, which ever way of use, is found most practical by the particular job of concrete work. 1 V

It will be noted that the ends 15 of the part 2 are rounded and gradually tapered to nesses, as required. i

a point and are thus shaped to prevent sharp corners. a Y

- While my reenforcin bar may be made of any kind of material prefer: to stamp the same out of sheet metal of varying thickthereof, the end portions of the bar being wider than the main portion thereof, and being pliantto permit the same to be readily bent downwardly to form legs adapted to rest on a foundation of a concrete layer in which the bar is to be imbedded.

In testimony whereof, I affix my signature at the city of Cincinnati, county of Hamilton and State of Ohio, this 24thda-y of March,

a r CHARLES WEICHOLD.

It will be noted'that the edge 20 where I desirettosecure by LettersPatent is gated reenforcing bar,

' 2. In a roadway or the 1. In a concrete construction, reenforcing bars, said bars having an elongated U shaped rib with lateral flanges at the base thereof, one bar provided with a head having ears at its edges, the end. of one of said reenforcingbars lying within said headand ears and means, forholding themtogether to form an elon V like,'a layer of concrete, spaced lines of'metal reenforcin-g bars embedded in the concrete, the bars of each line being in overlapping relation. with one end of each bar arranged alongside of the adjacent-endofthe nextbarf-D'and crossed bars f I I l embedded in the concrete ofbars. a o H 3. In concrete const-ruction,bars imbedded in the concrete, each of said bars having an 1 etween saidhlines elongated UV-shaped rib with lateral flanges atthe base thereof, saidrib being rounded, the ends of the bar havingxflat pliant extensions which may be readily bent downwardly to form legs of varying' lengths for supporting'the bar in proper position while it is beingimbedded in the concrete. i

4;. In concrete construction, a foundation, metal bars having pliant legs resting on the foundation and supporting the main portions j I of'the bars abovethe foundation, each "bar having an elongated U-shaped rib with'lat eral flanges at the base thereof, anda layer of concrete arranged on the foundation, said bar's being'imbedde'd in the layer ofconcrete. {5; A reenforcing elementfor flat concrete layers which are subjected; tomoving loads,

5 *comprising a metal bar having an elongated U-shaped rib with lateral flanges at the base 7 v I

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