C
?A'7,117". AM) AUT 1949
Ir
1-r-movervents in CirrrettC3-
Tat Tba Imperial Tobacob Company (of G.-cat
Br:Lta:Ln and Ireland) Limitedij. a Briti-ah Cc=pan-y of
East Streot, 3adminsters in the City and County of
Bristol, do hereby declare thin Invention to be
dencribad In the followinz statements-
C=>
BATCo document for Province of British Columbia 16 April 1999

T'his Imention. relaten to so-called filter tipped
ci,-pirattea., A filter tipped ciCmret':e con.-Isto
V
eatentially of a lez@@ of Plain cigarette joined to a
filter b7 a band that anciralea the filter and a aort
length of the plain cigarettes and vhichq with r=
adheeivot joins the two together its filter it--Dlf
is usually wrapped in a paper sleeve 'to Maintain it'la
rod-like :ro=,
It is arn objoat of the procent invention to
10 provide zma= for pe=ittL-zg air 'to pass throueh the
envelope of a filter tipped cigarette
The prozent invention conciazu in a filtar tipped
c1guratte in which the encircling, band and the eleave
of tk* filter both have a plurality of porforatio=p
15 wLerelzy --c=e perforations in the encirclinj; band conncot
with coma of those in the cleaves there1q pernittir.,, air
to pass throuCh eaid connocting, perforation into the
filter tip and thenoo into the emokor's =outhe
.62:0 enoircling bwa may be a cork band or an
20 L-al-t-ation cork bond in vhich case the band -,nv be
perforated to cozfi= with t1w cork lacume pattern,
An encircling boW of paper r.V be likeriea perforated
The encircling band =y be ot any other materia
suitable for the purpose,,
25 'T"wo embodl=nte of tho precent luvention will
nor be described with refarenoe to the acoo=ranyir,-,
drawin,,9.
?i,-, 1 ohms a filter tipped oigarettop partly
veotionad to oihov the butt joint between ibe plain ciparette
30 ani the filter tipp in which the encircling bar--I comprises
a pcrzforatad papor band, amd a filter sleeve al-co perforated,,
?1Z, 2 ahows-a filter tipped cigarette partly
soctio=ed to chow the butt 3oint between the plain
cir,arette and 'Vio filter tipp in uLich the e=ircliMq,-
31 5 bamd co=priaoo a perforated cork b=d or on i=11tation
2 O
BATCo document for Province of British Columbia 16 April 1999

cork band am-' a filter cleave 8100 parf orated,
:-'iZ* :@ cLovis arxirclini; bzzad m6Lteri&I with a
plurality of peerforationn disposed on tLa filter aide
of the butt joint batween the plain clZarette and tte
filter tip.
PU9. 49 5 and 6 ahow encir-clina band material
having a plurality of perSorationa of alternative fo=
and pattern,
-itz. 7 shows a plurality of perforationa in the
10 material of the aleavo of the filter tipe
;Fl,,-* 3 shown an altermt1ve pattern of perforations
In the =atarlal of the aloeve of the filter tip.
In order to simplify oxplanation, the c=ircling
band or material for a==, and the perforatia= of
15 whatever form or pattern have bcon rivca correapordin_:
n=bers on all nim figuros. S!he otlier co:--pomats of
1"ig,s. 1 and 2 have been treated likowine.
The basic dl@eiwion of the perforations illustrated
in the @'J,-_urae In 0,5 mom,
20 Referrin.,- 'to 1rigo. I and 2p oncirclin; bande I of
papor an-4 imitation cork respectively are chosen joining
the filters 2 to the plain cigarettea 39 with t@-_% patterns
of. the perforations 4 in tba baade 1 superImposed on tho
patternd of the porforationo 7 in %La alcoves 6 of tLe
25 0&11terv 2p whereby some of the p&rS=atio= 4 co:Lncot
with eo=e of the parforatione 7P therolry pormitti-q- air
-to pane tlzrough the co=eoting perTarational, into t1is
filtere 2 and theme* to the emoker'n mouth.
heferri:@S to YIC, 3, a plurality of pcr:Coratio= 4
30 In the encircling band material I are disposed on "U'Le
filter tip aide of a line A - A vdiich In izton@..od to
5
coincide with t1w butt
.1 +-'h ds f 4 1n 7- ++ P (?iCae I and 2)9 so that the perforationn L-J4
Xl@_
co
BATCo document for Province of British Columbia 16 April 1999

4 are superimposed on US Pattern of the perforationo 7
in tje el4eve 6 of the :filter 2e
In order to provide for =UfUCUirlir, varl.-Atlcn3
from tha devired location of tho batz @ojat.5 betreor. the
5 plain oisprette 3 and the filtar 2 in relation to tb3
emirclir,g bard 1,, and like variationz in the dimposition
of the patzern of Perforations 4 in the cleave 6 of the
filter 2 via in the encircling bard I itzelfp lli.,,-se 41p 5
and 6 abow alternative lor=s and patterns far thin purpose*
10 Eoferrinc to '!-Figs. 7 azd 8 the ad,-an B and c coincide
as the IRP of tLe filter cleara 6 m d It is desirable
that tL92 e edgee are kept free from perforations ttereby
provide.& req-Aieita strenzth for filter tip manu:Caoturins
PurPODeM. Tile pattern of perforations 4 in Fic. 7 axe
15 Buitable for use in conju=tJon with pOrforations 4
shOun in ?IC-, 3 to 6 Inclusive# ead -who pattern In Fig* a
with V2028 DLOTJ2 in IAlzo, 5 wd 6,
It is to bo understood ttat tte pitaLes b_%_0_n
the Pee-cratio= 4 as illuotrated in F'i4cn, and 8
20 =7 be renter or irroaular co as to ensure that ac=o
of the perforations Of the encirclinc p"r connect with
20=0 Of thOcO 11% UhO 819eve of the filter tip. I and 2)
Likewime the pitches Of tho perforationc 4 in the
Pstt6rng Of Pertorations 4 illustrate in kjEa. 5 md 7.
25 It is further to be uzdarstood that tLe par:orations
4 may be dimensionally and In forn different from thoca
and 8
illustratod in Fip, 3p4p5p6j7,/aad also of Pattern, =d
in extenntg different from %krone illuatrated in PiCs. 5 and 7.
Referring 'to FU.- 9 the encircling band =atcripal/of
30 imitation cork mml be wholly or partially perforated co
that cuoh perforations 4 coincide with Uo cor"- Jacunae
CD
pattern whereby ao=e of too perforations connea@ votes
of the perforations 7 in the sleeve 6 of the filter 2 c::)
00
4
BATCO document for Province of British Columbia 16 April 1999

thereby permitting air to pa-88 throu& the connectinC. per-
lora'ione into the filter 2 and thcnoe to the e=okerla
mouth,
It will be appreciated that in the case of wholly
5 perforstod enciroling- band material or such material I
partially perforated about tr-o li= A - A that peraforation
of the. sleeve 6 of the filter 2 may be maitted !X dasired
for somme of the perforations 40, on the lina A -.^*# wi.11
coincida vith the butt 4oint 5 between the plain cigarette
10 3 and the filter 2 (Ilig.2)t thereby per=ittirW,, air to
pass throuCh said pierforationa 4 and the filter 2 Into tbz
smokerlo mouth.
Lhe said r-a-eforations 4 mmq be produced at' the sa=o
t;L=o that the cork lacunas pattern is for=cd in ma=,zfaotuxe
15 of the encircling band =terialp or subsequent to such
operation*
THE IMPERIAL TOBACCO CONVANY
for (of Great Britain Ireland), LUMITED.
co
BATCo document for Province of British Columbia 16 April 1999

ORIGINAL
FIGA.
/,3
FIG.2. KZ
I A
f
1.0 .1
00
0 C:)
0
0
0 0000
R/4
0
0
0:/
0
00 0
00
0
C) 0--
A FIG. FIG-5. A FIGA. A FIG. 3.
0
C) 0 0
lb @?000
0 0
C) 0 0
0 0
T 0 0
0 0
C/ 0 0
S.. 0 0
0 61@
0 0
=40- CD
CD
A FIG.1. FIG. 8. FIGJ. t.-.P4
N-)
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BATCo document for Province of British Columbia 16 April 1999