US1851339A - Concrete form construction - Google Patents

Description

March 29, 1932. c. 1. WILLIAMS v 1,851,339

' CONCRETE FORM CONSTRUCTION Filed June 20, 1929 2 Sheets-Sheet l March 29, 1932. c. l. WILLIAMS CONCRETE FORM CONSTRUCTION Filedjune 2o, 1929 2 sheets-sheet 2 cess at the end of the bolt. The opposite or outer end of each bolt 12 is threaded as indicated at 15 and extends through what may be termed a Whaler clamp 16 which I have shown provided withan extending portion 17 and with a bolt hole 17 of a size greater than the bolt 12 so that the bolt may be pulled therethrough. As most clearly shown in Fig. 8, the clamp 16 is provided with fianges 18 at the ends arranged to overlie the faces of the whalers 4 and 4. It will be noted that the extending portion 17 of the Whaler clamp 16 is provided with angularly disposed faces 18a and 18? which function similarly to the angular faces 11 and 11 of the conical washer in that the clamp may be' used interchangeably for either a vertical or a battered wall, as shownin Fig. l. i f

Arranged on the threaded end 15 of the bolt 12 is a wing nut '19 or ther equivalent (Fig. 1) preferably provided with a handle portion 20 so thatl the nut may be turned without requiring a separate wrench.

'In using my apparatus, the form is Vpreferably set up as shown in Figs. 1 to 3 and then the concrete or any equivalent material placed between thek forms and permitted to set. It

will be readily apparent that by means of the peculiar construction of the spacer members 8 and clamps 16 the same device may be used interchangeably on either a verticaler battered wal1,and hence it is unnecessary to provide a plurality of devices for different types of structure. It will be particularly noted that, with my device, the necessity of using wooden or other spreaders to retain a proper width of the form is'eliminated, inasmuch as the' cones 8 are held or maintained at the proper spacings by the nuts 7. Frequently wooden spreaders are overlooked and left in the concrete and it is often a difficult proposition to remove vthe spreaders as the concrete is being cast, especially in a reinforced construction or a narrow one. n

My improved method saves time in that respect, as, once the devices have been clamped in place,rno attention is required for them until the forms are ready 'to vbe removed. After the concrete has setsufiiciently, the rods 12 and-washer clamps 16 are removed and the form rconsisting of the (studded) Whalers'and form boards is taken out. There is absolutely nothing projecting from the surface of the conc-rete to retain theforms and o they can be taken off as an entirety andv without having to be pried off, as is necessary when wires or bolts 'are used,.which Vproject out through the forms and the forms have to be removed before the wires can bereut off flush with the concrete. Prying against the concrete to remove forms frequently results in the breaking off of corners or defacing of ythe concrete and particularly often results in the damaging of the form or form lumber. When the rods12 are removed, the forms are concrete, is positively locked in place and will not come out at anylater period. This gives a good solid patch and there is no place for `moisture to collect and gradually loosen the block. y

One of the unique features of my inventionr is the fact that the forms are easily assembled and adjusted, each side being a complete unit, and ,Whaler and form can be o clamped and adjusted independently of the other side. l, A

f The value of thewhaler clamp is a very important item. There is no necessity for using heavy timbers and drilling the same full of holes for form bolts, thereby depreciating the value of the same for future use besides incurring the unnecessary initial cost of the same. yTwo planks of two inch timber, for example, 2 X 4s or 2 X 6s, placed edgewise astride the form rodsk and held in place by whalerjclarnps, will serve the purpose just as Well andare easily handled. They can be used Without drilling or any waste of mate- .100 rial whatsoever. f f

Having thus described my invention, it is obvious that various immaterial modificationsmay be made in the same without departing from the spirit of my invention; '105 hence, I do not wish to be understood as limitin'g myself to the exact form, construction, arrangement, and combination of parts herein shown and described or uses mentioned.

' What I claim as new and desire to secure 1.110 by Letters Patent is: 'y n 1. In a device of the classV described, a substantially frusto-conical member having' a tapered opening therethrough and a plurality H5 of angularly disposed surfaces at one end, the other end comprising an integral plate having a substantially diametrical slot therein.

2. In a device of the class described, a clamp for engaging ya Whaler bar or the like, 120 an koutwardly extending boss on. said clamp, said clampr and boss having a substantially frusto-conical aperturetherein, and said boss ture therein, and said boss having a plurality n of angularly disposed outersurfaces.

4:. l In apparatus of the fkind- .deseribeby ,ai

y strut ,adapted to be disposed between'opplosed 1 f form members, nuts threadedintermedi'ate f the end of said strut, rods threadedly engaqgV Y ingu the ends of said-struts and 'adapted to vpass through said form'. members, a; spacerv ymember mounted on each of saidfrods4 adjacent said nuts,yand.means including lclamps disposed adjacent the'outer ends yof saidrods for securing said form-members, said Vspacer l Y .members and clamps ea'ohfhving a tapered bore, tl1e ends ofsaid spacer', membersand clamps adjacent the smaller `endslof Itheirrv respective bores'being bounded by a, plurality a if n of angularly disposed faces.

In Witnessl whereof, I hereunto subscribe. f'

my naine this 24H12- day of May, AD., 1929.

` CHESTER I. WILLIAMS.

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