Improvements in Tobacco-pipes.
Year: 1899

page_text: Improvements in Tobacco-pipes.
We, PAUL DURAND DE NANTOUX, of 19, Lanark Villas, Maida Vale, in the
County of London, B.A. (Paris), and THOMAS NETTLEINGHAM, of Blenheim
Mansions, Queen Anne's Gate, in the City of Westminster, Gentleman, do
hereby declare the nature of this invention and in what manner the same is
to be performed to be particularly described and ascertained in and by the
following statement:―
This invention relates to the construction of tobacco-pipes and is designed with
the object of facilitating the cleansing of the smoke passage or the removal of
any matter tending to obstruct the said passage.
A tobacco-pipe constructed according to our improved method consists of a
horizontally divided stem, so that, when the two parts of the pipe are separated
the passage is exposed to view. The division may be extended so as to include
either the mouthpiece or the lower portion of the bowl or both. The stem may
moreover be formed for the reception of a removeable mouthpiece, which latter
may be readily converted into a cigar- or cigarette-holder. The parts of the pipe
may be fitted together in any convenient manner, such as, for example, by
means of fillets and grooves, of dovetail or other section, and external rings or
ferrules, or the like.
The accompanying drawings illustrate, by way of example, various modes of
carrying out our invention, Figs. 1, 1, 2 and 3 are respectively a longitudinal
section, an elevation, a transverse section and a view of the underside of the
upper portion of the stem of a pipe wherein a fillet is employed for fitting
together the two parts of the stem; the said fillet being secured in the lower
portion of the stem. Fig. 4 is a longitudinal section wherein the fillet is secured
in the upper portion of the stem; Fig. 4ª being an elevation of this construction.
Fig. 5 is a longitudinal section, Fig. 6 a transverse section and Fig. 7 a plan of
the lower portion of a pipe divided from end to end and wherein a fillet of a
splayed form is employed. Figs. 8 to 13 inclusive are views of various forms of
fillets. Fig. 14 is a longitudinal section of a pipe whereof the one part is fitted
to the other part by means of a pin or pins. Figs. 15, 16 and 17 are alternative
methods of fitting the parts of a pipe such as shown in Fig. 5. Figs. 18 to 21
inclusive are transverse sections of several other modes of fitting the two parts
of the pipe together.
According to the mode of construction illustrated in Figs. 1 to 3, the stem
of the pipe is divided horizontally, the lower portion a being integral with the
bowl 6 and undercut at a² for the reception of the inner end of the upper por-
tion a. The line of junction may however be arranged vertically or at any
other desired angle than that shown. The portion of the stem is tapered
for the reception of the mouthpiece a'; the latter assisting in maintaining the
faces of the bi-part stem in close contact. Towards the bowl the adjacent faces
of the two stem portions are provided with grooves c c for the reception of a
fillet c', shown detached in Fig. 8. The said fillet is preferably formed from
sheet metal the sides being joined by a bridge piece 2. The fillet is inserted

page_text: in the grooves formed in the lower portion of the stem a with the bridge piece ²
uppermost; the upper portions of the sides of the fillet when the parts of the
pipe are in position residing in the grooves in the portion a¹ of the stem. The
bevelled face a³ is formed with a recess into which a portion of the bridge piece c²
enters upon the part a' being slid into position. The mouthpiece a fits snugly
over the tapered portion of the stem; the joint between the latter and the
mouthpiece being hidden by the ring or ferrule d.
The construction illustrated in Figs. 4 and 4" is in the main similar to that
just described, with these differences, that is to say:--the undercut a² is formed
beneath the bowl b, and the fillet c is inverted and secured in the upper por-
tion al; the lower portion a in this case being the sliding part.
According to the construction shown in Figs. 5, 6 and 7, the division is extended
to include the lower portion of the bowl. The fillet e' in this arrangement is
of a splayed form the junction of the splayed sides being bevelled so that,
while the parts of the pipe are being brought into position, the bevelled portion
will tend to draw the said parts together and maintain them in intimate con-
tact. The tightness of the joint may be further secured by means of a pin or
pins e e preferably disposed at an angle corresponding with the bevel of the
fore-end of the fillet and entering correspondingly formed holes in the oppos-
ing face of the division. It will be obvious that the positions of the fillet and
the retaining pin or pins may be inverted or otherwise changed.
The form of fillet may be varied as will be seen by reference to Figs. 8 to 13.
The forms illustrated in Figs. 8 and 9 having been referred to above need no
further description here. With reference to Fig. 10, which represents a modi-
fied form of the construction shown in Fig. 8, the bridge piece is disposed
at an inclination instead of horizontally, while the free ends of the fillet are
chamfered. The object of the inclined bridge piece is to cause the parts a
and a to be automatically drawn together while sliding the parts into the closed
position. Fig. 11 is a modified form of the construction shown in Fig. 9, the
sides meeting in a curve instead of in a point. Figs. 12 and 13 represent wedge-
shaped fillets whereby a perfectly tight and close joint may be secured. Accord-
ing to the form shown in Fig. 12, the fillet is retained in the grooves by means
of the under cut projections while according to Fig. 13 the fillet is formed
with a flange eto provided with holes for the passage of screws, pins or other
means for securing the fillet in position. The sides of the fillets may moreover
be arranged at an inclination as shown in transverse section in Fig. 6.
According to the construction shown in Fig. 14, the line of junction a² is
not undercut but is arranged at right-angles to the division of the stem; the
lower portion a being held in position against the upper portion a' by means of
a diagonally arranged pin f. If desired more than one of these pins may be
employed.
Figs. 15, 16 and 17 illustrate various modes of fitting the "through-cut" or
end-to-end divided pipe shown in Fig. 5. According to Fig. 15, the lower por-
tion a is provided with a stud g carrying a quick-pitch thread for engaging in
a recess formed for its reception in the upper portion a¹. In Fig. 16, the parts
are held together by means of a screw pin h provided with a milled head or nut.
By detaching the mouthpiece and loosening the screw, the lower portion a may
be turned, the screw serving as a pivot. According to the design shown in
Fig. 17, the lower portion a is furnished with a screw i whereof the head engages
in an upwardly inclined slot k formed in the upper portion a¹ the sides of the
slot being adapted to the bevel of the screw-head. Upon sliding the latter in
the slot the parts a a¹ are drawn into close contact. There may be one or more
screws and inclined slots but, for clearness, only one is shown in the drawing.
In Fig. 18, the junction of the two portions of the pipe is effected by means
of flanged fillets 7, the flanges on one portion being arranged to slide within
the opposing flanges 12 on the other portion.
According to the modes of construction illustrated in Figs. 19 and 20, the

page_text: channel or passage is planed in the face of one of the parts-in the present
examples the passage is shown as formed in the upper portion a¹-a fillet m,
corresponding in width with the said passage, being formed on the opposing
face of the other part, see Fig. 19. In Fig. 20, the sides of the fillet m are
undercut so that the fillet assumes a dove-tail form in transverse section; the
fillet in this instance being made separate and applied to one or the other of
the portions a a¹ of the pipe. Fig. 21 shows a modification wherein the fillet m*
is formed integral with the portion á.
*
It will be seen that the several modes of fitting provide a register" whereby
the proper adjustment of the parts of the pipe is secured.
Although the invention has been described and illustrated in its application
to pipes having straight stems it will be understood that pipes having bent
or curved stems may be similarly constructed.
Having now particularly described and ascertained the nature of our said in-
vention and in what manner the same is to be performed, we claim :-
-
1. A tobacco-pipe constructed substantially as herein described, wherein the
stem is divided horizontally or along the smoke passage so that, when the two
portions of the pipe are separated the channel in each portion is exposed, the
cleansing of the smoke passage or the removal of any matter tending to obstruct
the same being hereby facilitated.
2. In a tobacco-pipe wherein the stem is divided horizontally or along the
smoke passage, the herein described means for fitting or securing the parts in
position, and whereby the divided portions of the pipe are drawn and held
together, substantially as set forth.
3. A tobacco-pipe wherein the stem is divided horizontally or along the
smoke passage and whereof the portions are fitted or secured together by means
of fillets and grooves substantially as described with reference to Figs. 1 to 3,
to Figs. 4 and 4" or to Figs. 5 to 7 of the accompanying drawings.
4. In a tobacco-pipe wherein the stem is divided horizontally or along the
smoke passage, the employment of fillets constructed or operating substantially
as described with reference to Figs. 8 to 13 of the accompanying drawings.
5. A tobacco-pipe wherein the stem is divided horizontally or along the
smoke passage, and whereof the divided portions are fitted or secured together
according to any one of the modes described with reference to Fig. 14, Fig. 15,
Fig. 16, or Fig. 17 of the accompanying drawings.
6. In a tobacco-pipe whereof the stem is divided horizontally, the several
methods of fitting or securing together the divided portions of the pipe sub-
stantially as described with reference to Figs. 18, 19, 20 and 21 of the accom-
panying drawings.
7. In a tobacco-pipe wherein the stem is divided horizontally or along the
smoke passage, the employment of a mouthpiece having a tapered interior sur-
face adapted to fit upon a correspondingly tapered extremity of the stem and
thereby assist in maintaining the divided portions of the pipe rigid and, when
detached from the pipe, be available as a cigar- or cigarette-holder, substantially
as herein described.