US2644997A

US2644997A - Wall form

Info

Publication number: US2644997A
Application number: US282587A
Authority: US
Inventors: Billings Frank
Original assignee: Individual
Current assignee: Individual
Priority date: 1952-04-16
Filing date: 1952-04-16
Publication date: 1953-07-14
Anticipated expiration: 1970-07-14

Description

July 14, 1953 F. BILLINGS 2,644,997

WALL FORM Filed April 16, 1952 2 Sheets-Sheet 1 Frank Billings IN VEN TOR.

y 4. 1953 F. BILLINGS 2,644

WALL FORM Filed April 16, 1952 2 Sheets-Sheet 2 I2 50 I6 .38 W 38 50 a 34 1 4 30 -3 0". 2s 26 32 -.4 .--5 ili plf-i if 36 I4 I4 22 4o 24 Frank Billings INVENTOR.

Patented July 14, 1953 UNITED STATES PATENT OFFICE WALL FORM Frank Billings, Montesuma, Ind. Application April 16,1952, Serial Nor 282,587

Another important object of the present in-.

vention is to provide a key-forming mold element including a plurality of juxtapositionedstrips that are clampingly secured togetheriand which hold a resilient channel that will extend between a pair of walls to form a keyway in one side of or in an edge of a wall formed by pouring a cementitious material between the walls.

A further object of the present invention is to provide a key-forming mold element for wall forms adapted to form keyways in wall sections, so that wall sections may bejoined to form an exterior wall; an exterior wall having a partition; a corner wall; and/or a wall of panel construction. I

A still further aim of the present invention is to provide a key-forming mold element of the aforementioned character that is simple and practical in construction, strong and reliable in use, inexpensive to manufacture, and otherwise well adapted for the purposes for which the same is intended.

Other objects and advantages reside in the details of construction and operation as more fully hereinafter described and claimed, 'reference'being had to the accompanying drawings forming part hereof, wherein like numerals refer to like parts throughout, and in which:

Figure l is a perspective view of the key-forming mold element;

Figure 2 is avperspective view of the channel forming part of the mold element;

Figure 3 is a horizontal sectional view of a wall-form showing the mold elements incorporated therein and forming keyways in the vertical edges of a wall;

Figure 4 is a fragmentary horizontal sectional view similar to Figure 3 but showing'themold element removed with the channel stillengaged with the formed wall; E

Figure 5 is a view similar to Figure 4'but showing the flanges of the channel forced together in order to permit the channel to be removed from the keyway formed in the wall section;

Figure 6 is a horizontal sectional view showing the manner in which two wall sections are joined;

Figure 7 is a horizontal sectional view showing the manner in which the mold element is applied ,2cla mants-131),"

to a wall form in order to provide a keywayin one side face of a wall section;

perpendicularwall sections are joined; Figure 9 is a fragmentary horizontal sectional view showing the manner in which two outer wall outer sides of the leg portions.

Figures is a fragmentary horizontal sectional view showin the manner in which two relative] sections are joined to each other and to a partition wall section;

Figure 10 is a fragmentary horizontal sectional view showing the manner in which two walls, of panel construction, are joined together; and,

t Figure 11 is a fragmentary perspective view of a corner wall section formed by using a pair of the mold elements, as shown in Figure 1, in conjunction with a corner mold.

Referring now to the drawings in detail, wherein for the purpose of illustration, there is disclosed a preferred embodiment of the present invention, the numeral l0 represents the keyforming mold element generally, comprising a pair of elongated rigid strips l2 and M which are equal in length, thickness and width. The strips I2 and I4 are provided with longitudinally spaced apertures It and I8, and the apertures it are in registry with the apertures I8 to receive bolts 20 having heads 22 that are received in countersinks 24 provided in the outer faces of stri l2, at the outer ends of the apertures It.

An elongated rigid rib element 26 constitutes apart of the key-forming mold element I 0. The rib element 26 is of a length substantially equal to the length of the strips [2 and [4, however the rib element is thinner but wider than the strips, as shown best in Figure 3. The rib element is provided with a plurality of longitudinally spaced apertures 28 that accommodate the

edges

34 and 36 of the strips l2 and [4 while the inner edge 30 of the rib element projects well beyond the

inner edges

38 and 40 of the strips [2 and I4.

'I'he key-forming mold element It is also provided with a resilient, elongated channel 42 having a pair of spaced

parallel leg portions

44 and 46 that are joined by an arcuate web portion 48 whose sides project laterally outwardly from the

Leg portions

44 and 46 straddle the inner edge 30 of -the rib element 26 and the edge 30' is partially positioned in the curved web portion 48 as shown in Figure 3. The

leg portions

44 and 46 also contact the-inner faces of the strips l2 and I4 and are clamped against the rib element and the strips as nuts 50 on the bolts 20 are tightened to retain the strips, rib element andchannel in juxtaposition.

and W to clampingly retain the mold elements.

In between the same.

The bottom of the elongated hollow mold formed by the elements I!) and the walls W and.

W is closed by suitable means so that themember may retain a cementitious material; poured into the open top of the mold member. cementitious material is. allowed to harden, after which the nuts 50 are loosened and the strips [2,

'l-4"a-nd rib element 26 arepulled away from the walls W and W The walls'W'and W are also removed from the formed panel or wall section S'leaving only the channels 42' engagedwith the wall section S, as shown in Figure 4.

The'fianges 44 and 46 are then bent into engagement with each other, asshown' intFigure '-5,'so that the channels 42 may be withdrawn from the vertical keyways K formed in the vertical s'ide'edges of the Wall section -S.

The two wallsectionss and s formed'in the above 'manner are disposed. in coplanartrelation,

with the-keyway K and one verticali edge of section S being inregistry with the keyway K in 'onezverticaledge of the section S and with the edges of'the sections S and S abutting each other, as shown in Figure 6. A suitable binder B isthen poured in the registering keyways K and K andjoins the. sections 3 and S Figure-7 showshow the key-forming. mold'element I19 maybe :used to form a vertical keyway K inone'sideface of a wall section S In this illustration, the'vertical filler strips 52 and are secured to the

edges

38 and 40 of thestrips I2 and l4' by. fasteners or the like.

The mold member M is formedwith a slot or opening in one of its vertical side walls W to receive the element in with the strip- 54 engaging the'edge'ofthe-opening O andzwith-istrip 52 engaging the inner faceof the'end wall W of the mold member. The inner faces of the strips 52, 54'. are-fiushwith each other and the inner face of wall W Concrete poured in the mold member. M will harden after which the'mold member is-disas- The.v

each composed of inner and outer wall sections S and S Sections S and S are formed like the wall section S in order to include the vertical keyways K and K. The keyways of the sections of. panel P are in registry. with eachother and the keyways in the sections of the panel P are also in registry with each other. The edges of the panels P and P abut, as shown in Figure 10, and registering grooves G and G are formed injthe abutting edges to form communication betweenthe keyways of the panels.

A suitable binder B is placed in the keyways flit) join the sections of each panel and to join sembledand'the element It removed. to-form the key-way'K Thewall section S may then betied to'a wall section-S disposed perpendicular thereto by placing the-keyway K in-registry'with keyway-K and filling thekeyways with-a binder B as shown in Figure-8.

Figure 9 shows how two wall sections S and 5 formed with keyways K and Ki, may be joined to apartition wall S having a keyway K Theedge of the partition wall S having the keyway, K overlaps the abutting edges of'the sections 8 and S and grooves G and G are formed in the inner faces of the sections S -and S to form communication between the registering-keywa-ys K andK and thekeyway K A. suitable binder B. is then poured .into' the 'keyways' K K K andgrooves G and G to join the partition wall S to the wall-sections S and S and the wall sections S and S together.

Fig-ure'lo shows a joint between panels of a wall structure wherein the panels P and..P ;-are

the panels. Additional registering grooves G maybe provided in the sections S of the panels P and P whereby a partition wall may be tied into the panels in a manner similar to that shown-in Fi ure 9.

Figure: 1 1' shows a-corner for apanel wall that is for-med by using two of the elements In in conjunction with a pair of angulated mold walls.

The corner C will be provided with relatively perpendicular portions C and C whose outer vertical edges have keyways C and C formed thereinai-for joiningi'with keyways of wall sectionszsuch. as S;

In" view-of the foregoing description taken in conjunction with the accompanying drawings it is believed: that a clear understanding of the device will be quite apparent to those skilled in this-:art. A moredetailed description is accordingly deemed-unnecessary.

It is to be understood, however, that even r though=there-isherein shown and described a preferredembodiment of theinvention, the same is susceptible to' certain changes fully comprehended bythespirit of the invention as herein described and-the scope oftheappended claims.

Having thus described the invention, what is claimed as .new. is:

"1. A form-for concrete wallmembers, said-form comprising, an elongated open-ended hollow member having spaced side wallsand removable end-pieces eachofsaidend pieces being composedof two' strips having. inner edges received between said side Walls, a rib element clamped between each .pair of strips,- said rib elements projecting inWardly..-beyond. the inner edges of the strips,'andza.resilient channel about the inner edgesof theiribelementsand.having their flanges clampedbetween the, rib elementsand strips.

2. As a new article of manufacture, a device for forming a keyway in a wall. and adapted to constitute a part of a wall form,.said device comprising a pair .of elongated strips of uniform width, length andthickness; a rib element disposed between-the strips and having an edge projecting outwardly beyond the edge of each strip,.a resilientchannel receiving the said edge of the rib element therein, the flanges of said channel being. disposed between the rib element andfthe. strips, and. fasteners. joining the strips and clamping therib elementand the flanges of the channel between the strips.

FRANK BILLINGS.

"References Cited in the file of this patent UNITED "STATES PATENTS Number Name Date 442,957 Curran Dec. 16, 1890 1 43!);646 Smith Dec. 19', 1922 .1,6L'7,-,52.7 -Knight Feb. 15, 1927 1,801,631 Knight;. Apr; 21, 1931