US1171176A

US1171176A - Collapsible form for cisterns.

Info

Publication number: US1171176A
Application number: US85907114A
Authority: US
Inventors: Clyde L Craig
Original assignee: Individual
Current assignee: Individual
Priority date: 1914-08-28
Filing date: 1914-08-28
Publication date: 1916-02-08
Anticipated expiration: 1933-02-08

Description

C. L. CRAIG.

COLLAPSIBLE FORM FOR CISTERNS. APPLICATION FiLED Aue.28. 1914.

1,171,176. Patented Feb. 8,1916.

a SHEETS-SHEET l.

f 4 f4 l I J*- 1"/ f b y; 1 f il M l A TTUR/VEYS THE coLuMnlA PLANOGRAPH co.. WASHINGTON. D. c.

C. L. CRAIG. COLLAPSIBLE FORM FOR CISTERNS. APPLICATION FILED Auaze. 1914.

1,171,176, PeIeeIea Feb. 8,1916

3 SHEETS-SHEET 2.

A TTORNEYS molding apparatus and before the similar view CLYDE L. CRAIG, or wlisHiNeToNcoUnr-Housn, oHIo.

COLLAPSIBLE FORM FOR CISTERNS.

Specification of Letters'Patent.

Patented Feb. s, isis.

Application filed August 28, v19114. Serial No. 859,071. i

To all whom it may concern:

Y Be it'known that I, CLYDE L. CRAIG, a

V citizen of the United States,and a resident of lfifashington Court-House, in the county of Fayette and State of Ohio, have invented a new and useful Improvement in Collapsible Forms for Cisterns, of which the following is a specification. j

My present invention relates particularly to sectional adjustable molds utilized in the formation of water storage cisterns and 'i particularly to Figs. 1, 10, land 11, it will other structures of this character, and my primary object is to provide an arrangement by which a cistern maybe constructed of cementitious material within the ground, in a minimum space of time, withoutthe use of bolts, nuts and special tools, without the use of calculating instruments, and lastly without the necessity of workmen particularly skilled in the erection of structures of this character.

The objects above outlined lead naturally to many others, among which it should be mentioned that this inventionfaims to provide an arrangement wherein from start to finish is perfectly practically fool-proof.

These and other objects, together with the advantages arising therefrom, will be clearly apparent from the following description in which reference is made to the accompanying drawings, forming apart of this specification, and in which,

Figure 1 is a vertical section through Aa cistern illustrating the use of my` improved latter has been removed, Fig. 2 is a. view partly in plan and partly in horizontal section, taken substantially online 2,2 of Fig. 1, Fig. 3 is a horizontal section taken substantially on line 3-3 of Fig.' 1, Fig. l is a perspective detail view of one of the single-piece upper wall sections removed, Fig. 5 is a of one of the single-piece lower wall sections, Fig. 6 is a similar view of one of the two-part adjustable upper wall sections, Fig. 7 is a similar View of one of the two-part adjustable lower wall sections, Fig. Sis a detail perspective view of one of the two-part adjustable Y a detail horizontal section through adjacent portions of two of the wall sections illustrating the application of an implement designed according ing the contiguous portions of the wall sections together, Fig. 10 isfa plan view of a guided and 'g'portio'nV of the digging guide "ring partly the operation f base sections, Fig. 9 is.

to my invention' for drawbroken'y away and in section, Fig. 11 is a cross lsection therethrough illustrating its practical application, Fig. 12 is a detail perspective view of one of the implements designed in accordance with my invention for use as va quick detachable connection between mold sections in lieu of bolts and the like, and Fig. 13 is a similar view of a modiied form ofimplement for the same pur- POSQ- I Referring nowV to the several -iigures and be notedthat .in digging into the ground sity for the use of thecalculating `instruments inadapted to the use of practical' workmen usually engagedjin the erection of structures'in connection with which my Vinvention is intended Jfor use. The proper `digging of l the opening in which the cistern isto Abe erected'is merely essential inasmuch as thewall .of such `opening thereafter'constitutes `the o uter wall of the `mold space,

y the inner wall o'fjwhich mold space is con-'1 Vstituted by the several mold-'sections which willbe'hereinafter described. This digging guidering, Vas clearlyV seen at'A in Figs.- 10 and; 11, includes ajplurality of sections A( having their' contiguous vends overlapping in `one ydirection throughout the series, and certain of which are provided with selries of apertureswhereby the diameter of the ring, and consequentlythe diameter ofv the opening to loe dug, may be regulated, it i being seen from Fig. 11 that the loweredges a; of these-veral sections are fia-red slightly infan outward direction in order to provide su'ficient space between thev wall-of the dug sections to clear the engaging heads-ot the rtion ofthe connecting implements B, these several ring sections are provided with series o apertures a? and with pins a3 engage. ableT` withinV lsuch apertures, the connections j thus described serving to eiectively unite the several'ring sections to form a substanopening and the'upper portions ofthe ring l iiO tially vrigidjguide by the use of which the workmen cannot go wronginthe )preparatorifdigsies Operation I 1 `The Vseveral implementsv B Lutilized in the manner above described and also utilized at various points in the mold itself as hereinafter described, may be either of the forms shown in Figs. 12 and 13. In Fig. 12 the implement B consists of a rod one end of which is bent laterally to form a handle Z2 and the opposite end of which is bent sub.

stantially in the form of a ring b2, the eX- tremity of such ring being bent laterally to form a shank b3 engageable through alined apertures in the parts to be connected and having an angularly bent head b4 adapted to be located upon the relatively opposite side of the connected parts to that against which the ring b2 is disposed.

As shown in F ig. 13 the implement b consists of a rod b5 similarly bent at one end to form a handle o?, and having a lateral extension 57 at its opposite end which is connected by a shank bs extending laterally therefrom at an intermediate point and forming a connection between the same and a substantially parallel head 59, the angular extremity 57, shank -bs and parallel head b9 of this .form of the implement corresponding in function to the ring b2, shank b3 and iead b4 of the form just described in connection with Fig. 12. l

TvVhen the preparatory digging operation has been completed through the use of the digging guide ring previously described, a circular one-piece guide band C is disposed centrally of the base of the ground opening i' so formed and partially embedded in the soil, as clearly seen in'FiO's. 1 and 3, and thisband so disposed, thereafter forms an effective guide for the concentric location of the several mold wall sections as will bek A clearly understood from the following.

vWith the guide band C disposed as just described, cementitious material is disposed upon the base o f the prepared opening to form the base D of the finished cistern, the thickness of which may be readily gaged by the height of the band C. As soon as this base D is laid the several base sections E of the mold are placed thereon as clearly shown in Figs. 1 and 3, each of which base sections is generally triangular in form and provided with a curved inner end e to abut the band C and a curved outer end e adjacent which is disposed a parallel curved angle piece e2 forming a guide. The sev- Ieral base sections E are also provided along one side edge with upwardly projecting angular lugs e3 and along the opposite edge with slotted openings et, this latter edge being adapted to overlap the contiguous edge of the next adjacent section E in order to engage over the lugs c3 of the latter and thus connect the several base sections E throughout the series, the lugs c3 being rotatable'to angular positions with respect to the slotted openings et, as clearlyshown 1n Fig. 3 in order to effectively lock the several base sections E in operative position. The several base sections E are also provided with handles E by means of which they may be more readily manipulated and disposed and removed froni operative position as above. The wall of the mold is formed in its lower portion of a plurality of substantially rectangular lower wall plates F, each of which is flanged around its entire edge, the side flanges 7 having slotted openings f and the upper end flange f2 having upwardly projecting studs f3. Each of these lower wall sections F is also provided with inner handles F and one thereol:I is in two parts FZ and F 3, as clearly shown in Fig. 7, the part F3 carrying a supplemental connecting plate F4 upon its inner surface, adapted to lap the part F 2 and having slotted openings ft to register with the apertures f5 of the part F2 for the reception of a connecting U-bolt F 5.

In disposing the several lower wall sections F in position it is to be understood that their side flanges f are arranged in contacting relation and locked together by means of the implements B and B utilized in the same manner as in connection with the sections of the digging guide ring A before described, the contact betw en the side flanges of the wall sections being secured at the time of the introduction or' the locking implements by means of clamping tongs or a similar implement such as shown at Gr in Fig. 9. lt is also to be seen by reference to Figs. 1 and 3 that the lower flanged encs of the several lower wall sections F are disposed upon the outer portions of the base sections E against the angular guide pieces c2 so that through the abutments of these base sections E against the guide band C and similar abutments of the lower wall sections F against the guide pieces E2 of the base sections E, the wall of the mold is assured a position concentric with the guide band C, without loss of time, Vcalculation or trouble.

The several upper wall sections H with their lower rectangular' portions /t intermediate in'clined and tapering portions L and upper reduced extending neck portions h2 are disposed upon the lower wall sections Fl with which they coincide and their lower and intermediate portions just inentioned are provided with flanges oie. which the base flanges 7b3 of the lower sections are providedwith apertures 7b4' which receive th-Y upwardly projecting studs of the lower wall sections before described. Likewise the side flanges h5 of these upper wall sections have slotted openings h in connection with which the implements B and B are utilized to lock the upper wall sections together throughout the series.

The upper wall sections Hare each providedwith handles H- and one of the sections as seen clearly in Fig. 6 is in two parts H2 and H3 coinciding with the two-part lower wall section shown in Fig. 7 the part H3 having an inner connecting plate H* with slots 71,7 adapted to coincide with apertures LS of the part H2 for the reception of connecting `Ubolts, (not shown) which are duv plicates of the bolt F5, though smaller in tions are of course allowed to remain in operative position until the cementitious material has properly settled and hardened and may then be removed by withdrawing the outer neck ring I and disconnecting the U-bolts uniting the two parts of the'twopart upper and lower wall sections and reducing the width of these two-part sections by the relatively sliding movement of their parts after the removal of the connecting implements B and B uniting the same with the side portions of the adjacent wall sections.v Vith the two-part sections withdrawn it is then comparatively easy to .withdraw the remaining wall sections after detaching the connecting implements B and B at the several points at which they'are utilized. In the meantime during the erection ofv they wall sections of the mold, the operator stands within the guide band C upon the ground and afterward steps out upon the base section E in order to properly dispose the cementitious material within said guide band. After the removal ofthe wall sections, the base sections E may be readily detached and removed likewise the guide band C and after filling in the groove formed by the latter, the body of the cistern is practically completed.

It is to be observed that the quick detachable connections between the several detachable parts of the apparatus do away withv the use of bolts and similar connectionswhich from their number would necessarily require the expenditure of considerable time in coupling and uncoupling the parts, and adding this advantage in the saving of time to those already mentioned in avoiding the necessity for particularly skilledV workmen and the use of calculating instruments, it will be seen that I provide an arrangement materially improved over those of a similar Copies of this patent may be obtained for ve cents nature now in use and one which particularly recommends itself to use in the outlying districts where cisterns are most frequently employed.

I claim: Y

1. In a collapsible cistern mold, upper and lower detachably connected Wall sections, means for detachably connecting said wall sections, a centrally located cylindrical ring adapted to be partially embedded in the ground in the base o-f the cistern, and horizontal radially extending base sections located around said ring and positioned there by, having means adjacent their outer edges adapted to receive and support the lower ends of the lower wall sections, certain of said wall sections and certain of said base sections embodying adjustably connected portions for the purpose described.

2. In a collapsible cistern mold, a plurality of detachably connected wall sections,

trally located cylindrical ring adapted to be partially embedded in the ground inthe base of the cistern, and horizontally radially extending base sections located around said ring and positioned thereby, having upwardly projecting portions adjacent their outer ends adapted to receive and support the lower ends of the corresponding wall sections.

3. In a collapsible cistern mold, upper and lower ydetachably connected wall sections each having apertured inwardly projecting flanges around its sides, means for connecting the sections through said apertures, a centrally located cylindrical ring adapted to be partially embedded inthe ground in the base of the cistern, and horizontal radially extending said ring and positioned thereby, having upwardly extending curved angle pieces adjacent their outer edges adapted to receive the base flanges of the corresponding wall sections.

4f. In a collapsible-cistern mold, a plurality of detachably connected wall sections, means for detachably connecting the said wall sections, a centrally located cylindrical ring adapted to be partially embedded in the ground in the base of the'cistern, and

vhorizontal radially extending base sections located around said ring and positioned ends adapted to receive and support the lower ends of the corresponding wall sec? MYRON Gr. CLEAR, SoLoN C. KEMON. j

each, yby addressing the Commissioner Aof '.Eatents,

Washington, D. C.

base sections located around.

means for connecting said sections, a centhereby,vhaving means adjacent their outer