US891312A - Concrete chimney-block. - Google Patents

Description

BEST AVAILABLE COPY PATENTED JUNE 23, 1 908.

LW. WHITE. CONCRETE CHIMNEY BLOCK.

APPLICATION FILED AUG. 5, 1807.

element in position, to add si oeri oh JOHN W. WHITE, OF SlOKAiIZJ, "NASZEIYGTON,

CGN CHIMNE Y-B LQGK,

No. 891,312. I Application filed Angus} 5,

To all whom it may concern:

I A H u provide a chimney hlock'withe flue and ventilating; symees, and specific means in the webs or hoiily )orsiori of the structure. ie strengthen he )loek, tholx a light and dumble comet-motion will he formed.

Other obj eats and advantages will be hereinafter referred to and particularly pointed out in the claims.

In the drawings-Figure 1 is opersoeotive View showing the arrangement of t ie preferred form or block, iirthe formation of 21. ehimne Fig; 2 is ahorirlont zii section taken through one of the blocks. 3 is a transverse semioiitzilsioii through one of the bloizhs. Fig. '4 is ii detail ierspeorive View of one of the strengthening eii'ieiits. a similar VlGW of one of the reinforeii'ig ele moot-s. k

The numeral 1, indicates i1v ehimney' oiovl; of squsre. formation, and comprising inner walls 3, forming ii flue, and outer walls 23, sl'izzued from the inner walls, and entirely surrounding he some, and diogoiml webs "1, ei'mneeting said inner and ouier ivz'ills or the corners. iifimheddod in the inner walls 23, are bracing elements 5, haying exiensions (S. whieh extend into the Webs 4. The bracing elements are preferably formed of 21- single pie-re oi'.\vire, forinml him @he shape oi the wall arid plotted of twisted M1 the corners to provide thoextei ions 6. By ihus form- 'ingthe extensions smell iipenings are formed between the Wire. into whirh the eonorete enters to more. rigidly hold the .i eiiifoieing igth to the hloelr. I have shown two reinforeing el 'ments 5, embedded in firewall 3, and it evident oihers may he utilized if found desirable. Embedded iii the otiut-rwvoll 2, are

Specification of Letters Peten'b reinforeii'ig elements S, formed of Wire. The

Yacenfied June 23 1908. 1907. Serial enes.

merits as are preferably formed of Wire, and eeehoi e consists of a single piece lienl'. i ooonform to the shape. or outline of the block, and hawng the ends twistedes at 8.

(hie of the elemen'is 7 meyhe extended from the block to provide A looo lebywhieh means the blocks eon be tied to or held in position to the surrounding structure.

1 block. constructed' as herein (les'irihed has iis upper .zmd iowor feces flush to be readily placed one on the other in the forma Lion of o o iimney, and by providing the vntiloiing spaces around the chimney opening proper 22, danger of overheating is oversome, and if desired said spaces may be iflfipefi for vei'ii'ihiting the room.

n concrete blocks iiis Weil known that the mass must he strengthened to properly reinforce it, particularly where webs are em- 32h ployed toli rhten theslruotihe. Ihsve therefore provided the specific form of reinforcing element whereby av strong and durable com Crete mmstruction provided.

1. A concrete chimney block on; ii'u'ier rails forming o five and outer Vi spaced .Erm'n and surrounding the inner Walls, wehs connecting the inner and outer Wells, a reinforcing elementv extending entirely around and embeddedwiihin the miter wells, said eieinent having oymnings at ilelmrn iinoie points for the passage of the ooherete and r. reinioiroin' element provided with extensions having openings for the passage of the mate i din! lormmg the Walls, the latter reinforcing element being embedded in the inner walls, and the exiehsions embedded in the webs.

2. A oonereir chimney block comprising inner wallslorming av flue, and outer walls spewed i'ro and surrounding the inner Walls, websenumerating the inner andonter walls, a reinforoing elemeiii formed of Wire halving its ends twisted and embedded in the outer WsLllR, a reinforcing element formed of Wire and having the ends secured together arid provided with twisied extensions and embedded in the inner walls and the Webs.

3. A concrete block provided with inner walls forming a flue, and outer Walls spacedi'rom and surrounding the inner walls, and

Wehseonnecting the inner and ouier"wolls,-

i'einforcing elements embe ided in inxzier and In testimony whereof I afiix my signature, outer walls, 01 16 of smd remjforcmg elements in presence of two witnesses. having extenslons formed w1th ope'mn s and embe deed in the webs, and one of sai mine JOHN WHI 5 forcing eiements extending beyond the end Witnesses:

of the chimney block to rowde means for E. A. WHITE,

attaching said block to a uilding. JOHN W. RUM AGE,

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