US1562819A - Means employed in reenforced concrete construction - Google Patents

Description

Nov. 24, 1925- R. A. BADT MEANS EMPLOYED IN REENFORCED CONCRETE CONSTRUCTION Filed Nov. 22. 1923 2 Sheets-Sheet l llll lll muu IUItIZZzVTOR. a BY A TTORNEY.

Nov. 24, 1925- 1,562.819

R. A. BADT.

MEANS EMPLOYED IN REENFORCED CONCRETE CONSTRUCTION ile o 22. 1923 2 Sheets-Sheet 2 INVENTOR. 7% a @w. 2 MJ/ ATTORNEY.

l atentod Nov. 214:,

ROY A. BAD'I, OF LOS ANGELES, CALIFORNIA.

MEANS EMPLOYED IN REENFOBOED CONCRETE CONSTRUCTION.

Application filed November 22, 1923.

To all 1071 0772, it may concern.

lie it: known that I, Roy A. BADT, a cit.- men of the United States, and a resident t Los Angeles county of Los Angeles. State 01 California, have invented new and use ful Improvements in Means Employed in Reentorced Concrete Construction, of which the following is a specification.

My invention has for its object forms, and supporting elements for forms, employed in deterniiining the limiting surfaces of concrete or plastic material to be molded therein.

A further object is the supporting means for said forms, which means are provided to extend within the mold and be partly imbedded within the molded plastic materiah to form a tie or angle member for other structure subsequently suspended thereflroi'n.

A Further object is a tie to be employed in reentoreed concrete mold terms whereby the forms are positioned and spaced in aceordance with predetermined measurements and which tie extends into the mold form and has an end divide-d or shaped to receive and to hold in spaced relation within the mold. a reentorced bar or bars.

A. further object is the provision oi metal plat-es to torm mold surfaces for reenforced concrete, in combination with adjustable supporting means therefor, whereby the plate is held in predetermined spaced relation with other portions ot the mold iorms.

Other objects will appear from the drawings and specifications herewith attached.

These objects I attain by positioning on suitable supports straps or strap men'lbers, which are bent in the form of a U at their lower portions for holding portions of the forms. A. plurality of these straps are arranged with bent U portions in line with each other and the plate. which is to form a portion of the mold surface then rests in this series U ends. The other end oil" the straps extend beyond and are preferably bent upward from their attachment to the support, and the upward extending end is bifurcated to form a cradle in which. the reenforcing bars are positioned prior to their being imbedded in the concrete. One of the bifurcated ends in floor beam structures and the like extends from and rests against and is therefore supported by an adjacent plate member.

Serial No. 676,259.

By referring to the accompanying; drawings, my invention will be made clear.

Figure 1 is a section and part perspective oi two oi? my plates positioned in a plurality of straps 0t simplest form, the said two plates forming portions oi the mold surface for forming a floor beam of reenforced concrete.

Figure 2 is similar to Figure 1., except that one of the plates has been removed and the concrete has been molded thereim and the straps here shown are of somewhat different construction. 7

Figure 3 is similar to Figure 2 except that both plates have been remove-d and the straps which remain imbedded in the concrete have now been bent. down and are further employed to hold a portion of the roof structure for the floor below.

Figure 4 is a perspective view of the strap employed in Figures 2 and 3.

Figure 5 is a detail of the strap oi? Figure 3 in combination with a wire loop whereby the loop and therefore the strap supports the roof structure.

Thruout the figures similar numerals refor to identical parts.

A plate adapted to form a portion of the mold surface is shown by the numeral 1, and a similar portion of another similar plate is shown by the numeral 2. Between these there is a supporting beam 3 for carrying the mold forms, two plates with the beam being adapted to form the reenforced concrete beam 4;, which is a truss for the floor 5. At 6, 20, 23 and 7 are reeni orciug steel bars to be molded into the plastic material between the forms.

In the form shown in liig. 1 the strap 8 extends across the top of the beam 3, being of a general inverted U shape with smaller U ends turned out on each side. A plurality o't these are spaced as desired on the beam 3. as shown also at 12. 13. whereby the plate 2 on the one side and the plate l on the op posits side of the beam 53, are adequately held in proper positions.

In Fig. 2 the straps are of somewhat ditterent shape, having a single side 14h, a bentup end 15, a top member 16 and a single end 17 extending to contact against the plate at 18, and having a. turned back portion 19 adapted to cradle the reenforcing bar 20. This strap is used by spiking the part 16 thru the hole 23 to the supporting beam A plurality of these straps are positioned as shown at. 1d, 21, of Five. 2 by nailing them as shown at 23 to the support 3, in their proper spaced relation.

The arm ends 17 19v of. the several straps then form a series of cradles into which the reenforcing bar 2.0 rests. The bar 23 rests in a similar series of supporting cradles on the opposite end on straps as 24, adapted to hold also the plate 25 from their depend ing 'U ends. As shown in this drawing, the plate which rested in the straps 1d, 21, has been. removed from the surface ofthe molded concrete 26, which is therefore now exposed, leaving the straps in plain View.

When the beam 3 is remored from the molded concrete, the straps remain in position therein and may now be bent down to any desired angle as shown in, Figure 3, and

the ends as bent or rebent in any way de-- sired may be employed to carry channels as 27, 28, from which channels the conventional ceiling structure 29 maybe supported for the story below.

If preferred a wireloopmay bemade thru any of the holes 30", 31, 32, as shown at 33, and the ceiling structure 3st may be suspend:- ed' therefrom, thus enabling the ceiling to be positioned as may be: required without reference to the original length of the straps, see Fig. 6.

I claim: i

1. A mold form for concrete comprising a: right: plate and a left plate, a: supporting truss and a plurality of metallic members fixed on: the top of said truss and bent alternately right and left thereover, the depending ends of said. members bent upward and supporting the lower edges of said plates and the upper ends of said members bent at an angle and within the mold and bifurcated to support reenforcing means.

2. A mold form for concrete comprising a right plate and a left plate, a supporting truss and a plurality of metallic members fixed 0n the top of said truss and bent alternately right and left thereoven the depending ends of said members bent upward and supporting the lower edges of said plates and the upper ends of said members bent at an angle and within the mold and bifurcated to support reenforcing means, one of the bifurcated terminals resting against one of the plates.

3. A mold form for concrete comprising a right plate and a left plate, a supporting truss and a plurality of metallic members fixed on the top of said truss and bent alternately right and left thereover, the depending ends of said members bent upward and supporting the lower edges of said plates and the upper ends of said members bent at an angle and within the mold and bifurcated to support reenforcii'ig means one of the bifurcated terminals resting against one of the plates and said members betweei'i the ends having openings to fasten to the truss and holes to engage ires adapted to suspend additional structure therefron'i when the concrete has set about the bifurcated ends.

ROY A. BADR

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