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Патент USA US2112018

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March 22, 1938.
L. G. GAUTRON
2,112,018
DEVICE FOR ELIMINATING NOXIOUS SUBSTANCES CONTAINED IN TOBACCO SMOKÉ
Filed oct. 4, 1934
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Patented Mar. 22, 1938
2,112,018
UNITED STATES PATENT OFFICE
2,112,018
DEVICE FOR ELIMINATING NOXIOUS
SUBSTANCES CONTAINED IN TOBAC'
CO SMOKE
Louis Georges Gautron, Geneva, Switzerland
Application October 4, 1934, Serial No. 746,854
In Switzerland October 15, 1933
1 Claim. (Cl. 131-12)
'I'his invention relates to improvements in de
with narrow slits I’ and 2’ on their extremities.
vices for eliminating noxious substances con
These
slits permit smoke to pass in one direction,
tain-ed in tobacco smoke.
but prevent the ñow of matter in the opposite
The accompanying drawing illustrates exam
direction.
5 ples of construction of the invention.
The smoke is compelled to pass to the interior 5
Figure 1 is a vertical sectional view of a tobacco
pipe embodying the present invention.
Fig. 2 is an elevational view of one of the cap
shaped members of the present invention with
10 the slit closed.
Fig. 3 is a View similar to Fig. 2 with the slit
open.
Fig. 4 is an end View of the cap-shaped member.
As shown in the drawing, the pipe comprises a
l5 bowl portion 6, a mouthpiece -I, and a connecting
stem 5.
,
The bowl of the pipe is integral with a tube 6',
connected to draw-tube or mouthpiece 'l for the
smoke by means of tube or stem 5.
NJ O
A union I3
screwed into the mouthpiece 'I is forced into the
tube 5 and a union I2 similarly connects the
tubes 5 and 6'.
The stem portion of the bowl is provided with
a chamber in which is mounted a smoke-treating
25 unit. This unit comprises upper and lower tubu
lar members I6 and I'I, respectively, joined to
gether as illustrated. The lower member I'I has
a recessed portion I 8 which is placed in register
with the smoke duct I9 of the bowl. A nozzle I4
30 projects upwardly from. the recessed portion of
mlember I1 into the chamber I0 of the upper
member I6 and has a rubber cap-shaped member
I fitted thereon. The lower portion of member I'l
serves as a receptacle 9 for saliva and is provided
with a drain plug II.
A cage-like member is carried by the upper end
of member I6 for receiving and retaining a wash
er 4 ñlled with spongy material 3.
Stem 5 has a
tube I5 provided with a screw-threaded base
40 mounted thereon in axial alignment with the
smoke duct thereof.
This tube serves as a noz
zle for conducting smoke into a chamber formed
in the mouthpiece stem l. A rubber cap-shaped
member 2 is fitted on the end of tube I5.
45
Washer 8, iilled with spongy material, sur
rounds tube I5 and is adapted to absorb the prod
ucts of condensation and the saliva.
Cap-shaped members I and 2 are provided
of the cowls or cap-shaped members I and 2 and
the iiexible edges of the slits I’ and 2’ which al
ways tend to come into contact are parted only
through the drawing of the smoke.
The matters
suspended in the latter are held back by the fleXi- lo
ble edges of the slits, and if by condensation or
any other cause, an efflux of matters outside the
cowls is produced, it falls into the reservoir 9.
The pipe can be easily mounted and dismounted
and its inner members cleaned or replaced by l5
others.
The outlet vent of the cowls instead of com
prising one or more slits may be a very small hole
of circular or other section, provided that it has
at least one flexible edge which, continually tend
ing to close the vent, is parted only by the exhaus- H
tion of the smoke.
What I claim as my invention and desire to
secure by Letters Patent of the United States is:
In a tobacco smoking device of the character 25
described, a smoke conducting stem provided with
upper and lower axially spaced chambers Con
nected by a smoke duct, said lower chamber being
divided into a lower liquid receiving reservoir, an
intermediate smoke receiving compartment, and 30
an upper filter compartment, the longitudinal
axes of said compartments and reservoir being
coincident with each other and with the longi
tudinal amis of said stem, a nozzle-like member
for introducing smoke into the smoke receiving 35
compartment of the lower chamber, a rubber cap
shaped member iitted on said nozzle-like mem
ber, a nozzle-like iitting extending into the upper
chamber for introducing smoke, passing through
said duct from the lower chamber, into the upper 40
chamber, and a rubber cap-shaped member fitted
onto said iitting, both oi said rubber cap-shaped
members having a small smoke filtering chordal
slit formed in the closed end thereof, said slits
being normally closed and adapted to permit the 45
passage of smoke therethrough.
LOUIS GEORGES GAUTRON.
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