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2 Claims. (CL 131-52)' . . 3Sy inve•ntion !s coacerned with the produc- an especial quality, must be free from pinholes tion of a c!-arettu wrappcr. whieh when used to aurround tobacco as in a c13_recte in condition to be ~,.:ntaled: reduces the fire ha: ard when the S unsrncked portion of said cid.:rett:e is discarded. One oh;ect of tyy invention is to produce a wrapper for a c::arette or a c:garette so u-rapaed, that when the uasmoied portion is discarded, said unsatoked portion will be almost immedi- 19 ately ar.d au:on:attcslly exti--uished, instead of being left around where igniticn with ir-Eam- mable =ai--r:2l may ta:ce plat:r. and a con Sagrs- tion initiatcd. Another object of my invention is to so place 14 or locate'tk:at int:ammability-retarding element In respect to its ien_^tb, that it will be that dis- tance from the mouth ponion of the cigarette where experience has shown t1sat a smoker nor- mally discsrds the ciRarettz. Expericnce has 20 indicated that this distance Is usually from a fourth to half t_*~e distance from the mouth of the usuill'leItgthof t}iecisarette;that i3• wh,-n -the same has been frcm one-ha:f to three-quar- ters ce:sumed. Such a cigarette 1f discarded 23 arhile still 1ahLed-as it tuually is-wili normally continue to smo•sldes and burn unul the ciga- rette has been enttre:y consumed- In time tests mr-de by tne, this rs_•riod has varied from five to flfteen rinutes, during all of F2uch time it was 30 a dutinct fire Y:a=rd. Statstics of thc hre insu:anee companies at- test to the enormous loss sustaine•d, direct.ly traceable to this csuse- Ot.her ob;ecLs will appear In the description 3S following- ATS invention, therefore, comprehends a ciga- rette wrapper and a cicar•ette so wrappcdl with a di.`Dcultly fla mmable tand• colorl" or colored. placed on the ordi:.arg paper wrapper at a post- {p tlon or positiors desircd, so that wzen the cica- rette is cot:sumed to the point of contact with the 'band, which point is that distance from one enn of the or'.izinal cigarette F-hich expener.ce has shown Is at that degree er sta¢e of sn:ol•u•uz {a where the ctF:arette is norTaUy discarded. t't:at said cizarette ah:cn cJ.•card'ed will atnicst tm- IC;r.!;~r.!cr~ a^ ::.":. l%•w-•, a UNITED 5 iATES PATENT OFFICE :.o13.5aa . nl'F7'ICULThY Fr.A`f.>i 3EhE cICAEErTE - TTi 33APP.~.P. Stewart E1cur Scamsn, T~hite Pls[ns ?d. Y. . Application bi;ay 25, 1933, Serfal No. G72,$38 and porous portions in order to obviate local air leaks and insure uniformly' burning qualities. while permitting suufc:ent air to penetrate there- through to permit of proper combustion of de- ;:' sired speed, and therefore insure free and uni- form smoking quaiuties• " 2 Sy invention comprehends the covering of s portion a1 a cigarette with - a band, either by A placing said band on the paper before the latter .1p has been made into cigarette form and condi- tion, or attaching said'band in angsuitasie m.aa- ner to the otherwise apparently finished ctga- rett.e. Where a single band is provided for the ._~ cigarette, -a band from one-fourth to an inch in , 13 - diameter has been found suaable, although I do ~~ not limit myself to a specified diantcter of the idi band or bands. Normally it has been found in the use of a single band of fire-retardant com- position, that the portion of the band nearest _.O the lighted end of the cigarette should be so "~ ' adjusted that the band will be reached Ghen '. one-haif to three-quarters of the cigarette has bren consumed. It is not intended that the band shall be sufRciently near the lii;hted end as -' ' ^ a - . o to intcrferc with the normal smoking of the cica- reUte, and shall not be so ciese to the end of the " ciFarelte intendcd to be latscrted in the mouth. " that' it will be in contact with the smoker's lips. M&y film, band or pelliclc• a•hcn attached to a;, eiSareLte, will cause the same to be a1^test :m- mcdiatcly and automatically extinevis'ned when normally burned to contact aith' the band or strip, unlcss the smcker continuct to acuvc:y draw on the same. My f4rc-retardinc band; is v;, ir.odorous, tnstelcss. sanitaty, pteasinq in apwear- -; ance, resisiant to the adir.ission of air, ct very light ueight, susceptible of printing thereon if . Yus+aCU, arIU 1s 114C.1NC.L-. I prefcr to make this covering band of a ccllu- :0 Insic com . pound or dern-ztirc• such as a ccilula~e .~: ester or cellulose ethcr, or ceiRtlose re-,enerated :-; ; tlurcf rom or Imra -other ccilulosic compounds Rrgencratcd eclislose from an tnurxanic cellu lo:,c cstcr :LS cellu?o~.e nitrate, or cc!l%ticRsr n~cn rrated from »n o-t:anic celiuirsse cs;rr as ceilu- ~" !o- rtr-natr. or rcilai:-r rrrvnrrst,tl frrrn o -F~~

.Z2F Wr ° _1~VTVV53% ~ of adtxntsr. that the Lre-retardint cigarcite <~ Or. I tnsy attach Lla D= .d or C:a to t2x c ta- ` .pnper Dsitd or cet bbtttllt `'ttr w;cr the wrpper~Jss t arr+te susanay .raer-ree p}tXrap, beforea.eea placed in coraact a-ttn the totysc:o- or i.:.ay In the preparatton of the band or fllm from prvcced otherarise so that the T.n:thed cicasette b arhich a band mar be obtained. I may add there- ~ has attactcd to the paper porLtcn, an u.::.a- to additional 11re-retardants as inorRanic salta, maSiUty-reducurR band of sucn diatance frcm ' examples being calcium sulfate, or other a:kaline the end that is lnaerted in the mouth s noY Sa` tarth metal sulfate, carbonate or phosphate, or normally touch the l3ps, and of such CL:tsa;,e 'other dt:Scultly-burnable, non-tozic, odorless from the liehted end or end nor:nal.y LRhted aa tn and tasteless salt or compound of infiammabil- ":ta come in contact with the burning cr-aret'„e, ity-reducir.g properliet. If a salt of this nature when said cigarette has been but pariially can- is ernployed to Increase the Sre-res!'s€anee of the sumed, usually when one-third to two-thirds of attached band or film, said salt is preferably in-" said clt;arette has been burned. ' torporated with the fnlmm when the latter is In a::- In the ds•awing. Fig. I illustrates a cigarette 15, dissolved or plastic condition. Colored inor- .carrying a single movable band thereon• Fig. 2 75 „ ganic ozldes, hydroxides or otl:er combinations shows a cigarette with a plurality (in the d..ati may l.~keF-Lse be emplos•ed,. provided they fuifill ing, 2) such bands attached thereto; and Fig 3~ the conditions above enumerated. represents a water-lbsoluble fire-retardant band r In general inorganic "delustering" materials as before attachment to the cigarette. ~ s= 20 used in rayon mar'ufacture are suitable for this - I am aware of the patent of Felix hlcyer, II, S. = purpose. The fire-retard9nt' may be incorporated Patent 931.629 for "impregnating or coating the ends of cigars" with " •as such, or !t may result as t2:e resu]t of a double- -a solution of acetyiceliulase ~r decomposition, as the introduction of a soluble : mixed with a coloring matLer", but this insent.oa -_ -`barfum salt into a viscose solutton, casting the • is the antithesis of 2.:eyer in that it is not desired 25 same into film form, then immersinR in a sul- to coat or impregnate the end of a ci,-ar or a furic acid solution of suitable concentration, . cigarette "to protect the lips of the smoke2 wberein by double decortipesition, barium sulfate " I am also aware of the mechanical patent : results. Or. I may Incorporate a body as barium George Butder, U. S. Patent 779,687, who 1'ias de- ,.~ ~ sulfide In the cellulosic cotepo.sition, cast the ". , scribed a•'mouthpiece for a cigarette or ctgaz .. film; and then immerse in a zinc sulfate solution, which mouthpiece is so constructed that the tn-~ 3 vvhereby a double decomposition will ensue with : bacco does not come in contact with the mouth the formation of the two white pigments, zinc . or the lips of the smoker, and the German Patent ' sulfide and barium sulfate. I take a solution of : 378,122 of I3oren~ahi et al., svho encases the en- ~ = a eeilulosc ester tn avoiatile solvent', as an ace- . tire cigarette in a cciloa' anc wrapper. I do noL 3S tated cellulose dissolved in a so/3ent mixture ciaim anything embodied in the above. ; a r~;~ . eentainrng acetone, evaporate the volatile por- ..' Instead of providing but one band ihdicating `` "tion theafrorn, and casting the sarne in a peilicle the leneth of a cigarette which may be dEscarded ~' <<< ; or film form, cut up the same into the length and with its IIre-hazsrd reduccd, two or a plurality +~w : width desired, for attaching to the cigarette at of bands may be attached to the same at carying~ ~± the point or place desired. Or a film produced distances. If a srno:er reaches the first band and 40 from the etiaperat:on of the volatile portion fro:a ' desire to consume a larger pr•o3ortion of the a eeL'ulose ether may likewise be u~.cd, or a re- . etgarette, he may actively and continuously draw ;~ generated rel.+ulose film be preparcd as from a on the same until the cisa.rette is consumed in '_ de-nitrated nitrocelluiose, de=acetytated cellulose the banded portion, whereu pon it may b smoced _ ' acetat.e, or from a viscose solution or a copper- in the usual manner until the next band Is ~s j_ ~S ammanium mtxture with cellulose. reached. As a spectfic embodiment of my insention given What I claim !s:- for illus:rativr purposes only, and to be under-. . L A process for reducing fire hazard in the-1 ; s'tood as not limiting the same. I may take a consumptlon of cigarettes comprising preparing .~ 60 vLscoe-e solution of the streaeth of cellclose con- a 51m of fire-retardanL cellulosic matter eon- 60 tained therein and o•Sser phys:cal characteristics taininrt barium sulSide, then immersing sa:d SJm sultable for rayon productton, cast the same into in a zinc sulfate solution thereby formtng ahite sheet or Elm form by ways now known, cut the insoluble zinc sutfide, and attachinR said iilm IIlm so obtained into strips of onr-fourth to three- paper used to encircle the tobacco portion of said;A fourths of an inch in width, and of suitable length cigarette by means of an adhe.sive, said Sim-bt= to encircle the ciRarette, attaching the same to said cigarette by means of a stvtabfe aggiutinant, and allowing the adhesive attaching the band to the c:garettc papcr to dry at ofd,nary atmos- .- ing of at least In length; the width of the paper;;Tf i used, as herein set forth., 2. A process for reducing fire harard ln the consumption of cigarettes eomprts:n¢ prepsttnR . . . .. .... .;:y`'s}~~ ;J