Steel Form for Laying Concrete Page: 3 of 4
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UNITED STATES PATENT OFFICE.
WALTER H. CRAMER, OF DALLAS, TEXAS.
STEEL FORM FOR LAYING CONCRETE.
1,202,269. Specification of Letters Patent. Patented Oct. 24, 1916.
Application filed February 24, 1916. Serial No. 80,298.
o all whom it may concern:. ters, said form also embodying the main' fea-
Be it known that ,I, WALTER H. CRAMER, tures of my invention; Fig. 6, is a cross-
a citizen of the United States, residing at sectional view of. the form illustrated in Fig.
Dallas, in the county of Dallas and State of '5; Fig. 7, is a detail perspective view of the 60
5 Texas, have invented certain new and useful interlocking parts of the form; and Fig. 8,
Improvements in Steel Forms for Laying is a detail perspective view of one of the
Concrete, of which the following is a specifi- supporting channel braces of the form.
cation. - Referring to the drawings and particu-
My invention has relation to an improve- larly to Figs. 1 to.4 thereof in.which the 65
10 ment in metal forms for use in the laying of form embodying my invention is devised for.
concrete side-walks, curbs and gutters,. and use in tle'laying of concrete side walks, the.
in such connection it relates more particu- side rails or ,longitudinal strips 1, 1, of the
larly to the arrangement and construction of' form consist of ordinary channel iron and
such forms whereby the parts of the same each strip is divided into preferably two 70
15 may' be readily separated for transportation sections 1a, 1b, the ends of- a strip of each
and readjustment and readily assembled and section. interlocking with an anchor 2. In-
reassembled for use. asmudh as the means for interlocking the
In the carrying out of my invention'I pro- two ends of adjacent sections 1, 1b, to each
vide longitudinal metal strips or rails in other through the intermediary of a plate 2 75
20 the preferred form of channel iron, the base constituting an anchor for the rails is one of
of the channel pieces constituting a face the essential features of my invention I will
form'. for the concrete and these rails or proceed to describe these means in detail.
strips are formed with meeting ends ar- Referring more particularly to Fig.- 3 of
ranged to interlock not only' with each other the drawings, the anchor plate 2 has an up- 80
25 and with an inclosing, strip but to interlock per flanged edge 3 and vertically cut notch
with and properly support a dividing tem- 4.. One side edge of anchor plate 2 is also
let. Where side walks are to be construct- provided with a recess 5. In assembling the
4 the rails are laid in paiv- with the di- parts together the anchor plate,2 is inserted
viding templets serving also to separate the in the channel section- la with its top flange 85
30 rails the required distance and in addition 3 resting under the top flange 6 of the rail
to the templets the two rails are connected section a. The recess 5 of plate 2 enters
by metal straps. In curb or gutter construc- and interlocks with a recess 7-cut longitudi-
'tion three rails are provided of varying nally .in the lower flange rail section 1.
depths and interlocked end to end to each The contiguous connecting end of rail sec- 90
35 other and to the -anchors and steel dividing tion 1 has its top flange bent downward as
templets. Straps and channel bars, readily at 8 and this vertical flange 8-is recessed or
detachable from connected parts, serve to notched as at 9 to interlock in the notch 4
maintain the intermediate rail in proper po- of anchor plate 2. When the two rails are
sition with respect to the outer and inner to be maintained in parallel relationship as 95
40 rails. shown in Fig. 1,.a dividing templet 10 spans
The nature and scope of my invention will the two rails and is secured to the opposite
be more fully understood from the follow- anchor plates 2. To permit of an interlock-
ing description taken in connection with the ing of the ends of the templet 10 with the
accompanying drawings, forming - part top edge of the anchor plates the ends of 100
45 hereof, in which,- , templet 10 are each notched as at 11 to fit
Figure 1 is a perspective. view of a metal into a notch 4 of an anchor plate 2. The
form for constructing side-walks, said form extreme ends of templet 10 project some
embodying the main features of my inven- distance beyond the rails 1 to furnish had
tion; Fig. 2, is a side elevational view of the holds in the removal of the templet. When 105
50 meeting and interlocking ends of the side required straps 12 may be provided to still
rails of the form; Fig. 3, is a perspective further connect the rails 1 together and pre- .
view of the parts of Fig. 2 separated from vent their spreading or buckling. To more
each other; Fig. 4, is a perspective view or less permanently secure t~ie anchor plate
of one of the radius rails for use with the 2 to the rails a bolt 13 and nut 14 may be 110
55 forms; Fig. 5, is a perspective view of a used.
metal form for constructing curbs and gut- In Fig. 4 the construction is illustrated
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Cramer, Walter H. Steel Form for Laying Concrete, patent, October 24, 1916; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth859995/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.