Improvements in Hose Pipe Connections.
Year: 1890

page_text: Date of Application, 22nd May, 1890
Complete Specification Left, 29th Jan., 1891-Accepted, 7th Mar.,
1891
PROVISIONAL SPECIFICATION.
Improvements in Hose Pipe Connections.
A communication from abroad by KARL HORLIVY and KARL SCHEINPFLUG,
both of Schlan, Bohemia.
I, WILLIAM PHILLIPS THOMPSON, F.C.S., M.I.M.E., of the Agency for
Foreign Patent Solicitors, 6, Lord Street, Liverpool, and 6, Bank Street,
Manchester, both in the County of Lancaster, and 323, High Holborn, in the
County of Middlesex, Civil Engineer, do hereby declare the nature of this
invention to be as follows:-
The object of this invention is an improved connecting device for leather, canvas
and other hose pipes and the like, by means of which two hose pipes can be rapidly
and securely connected, and which will be quite water-tight even when the pipes are
used for liquids under very high pressure.
The hose pipes are pushed over the connecting pieces or ferrules forming the
hose joint in the usual way and fastened by means of a winding of string, wire,
etcetera, each connecting piece or ferrule being preferably for this purpose provided
with flutings or serrations.
On each ferrule there are cast four exactly similar and peculiarly formed claw
shaped projections, the bearing surfaces of the projections on one ferrule being
adapted to fit exactly against the bearing surfaces of the projections on the other
ferrule when the joint is connected. The said surfaces, which lie more or less
transversely to the axis of the coupling, are of a wavy or slightly undercut shape.
This serves to prevent the projections from becoming unlocked in the event of their
being subjected to any accidental side pressure. Their movement in the opposite
direction is limited by a suitable projection or stud, so that when once connected
they remain secured in position. The claw shaped projections are cast or otherwise
attached at their inner ends to their respective hose joints or ferrules and their
outer ends project over the opposite ferrule.
The connecting ferrules are each provided at their outer ends with an internal
annular recess adapted to receive a washer of india-rubber, which, when inserted
into the recess, projects beyond the outer edge of the ferrule for a short
distance.
If it be desired to connect two hoses attached to these joints or ferrules, the latter
are brought together with their rubber rings bearing against each other, and are
then pressed together by hand until the bearing surfaces of the projections of the
one hose joint are in line with the bearing surfaces of the projections of the opposite
hose joint, whereupon both parts are turned against each other in the direction
required to cause the said surfaces to come in contact, the turning movement being
limited by the mutual contact of the studs or projections aforesaid. On releasing
both parts, the compressed india-rubber washers of both ferrules press constantly
against one another, and the connection is complete.
The india-rubber washers, being pressed together, produce a water-tight
closing of the joint. The washers are pressed into the annular recesses afore-
said, which may be provided with projecting ridges for retaining the washers
in position.
The advantage of this mode of connection consists mainly in this, that two hose
pipes can be rapidly and easily connected, and, if required, can be as easily and quickly
disconnected.
Dated this 21st day of Mar 1890
WM. P. THOMPSON & Co.,
Agents for the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in Hose Pipe Connections.
A communication from abroad by KARL HORLIVY and KARL SCHEINPFLUG,
both of Schlan, Bohemia.
I, WILLIAM PHILLIPS THOMPSON, F.C.S., M.I.M.E., of the Agency for
Foreign Patent Solicitors, 6, Lord Street, Liverpool, and 6, Bank Street,
Manchester, both in the County of Lancaster, and 323, High Holborn, in the
County of Middlesex, Civil Engineer, do hereby declare the nature of this inven-
tion and in what manner the same is to be performed, to be particularly described
and ascertained in and by the following statement:—
The object of this invention is an improved connecting device for leather, canvas,
gutta percha and other hose pipes and the like, by means of which two hose pipes
can be rapidly and securely connected, and which will be quite water-tight even
when the pipes are used for liquids under very high pressure.
In the drawings annexed hereto, this connecting device is shown, in which :-
Figure 1 is a coupling completed in perspective.
Figure 2 section through Figure 1 on the linear.
Figure 3 elevation; half of the coupling is shown in full lines, the other half
(shown by dotted lines) about to be engaged therewith.
Figure 4 is a plan of the connecting piece.
The hose pipes S, to be connected, are pushed over the connecting pieces or
ferrules A and B, generally made of brass, forming the hose joint in the usual
way and fastened by means of a winding of string, wire, etcetera, each connecting
piece or ferrule being preferably for this purpose provided with flutings or
serrations.
The connecting pieces are made in separate pieces and not in pairs, so that, for
making a connection, it is not necessary to take a special corresponding piece, as
any two connecting pieces may be coupled with one turn, and, further, no screw
rings are necessary as is the case with all other couplings. By the mere engaging
of the two connecting pieces A and B, the coupling is completed, and this by reason
of the peculiarly shaped projections C.
On each ferrule there are cast four exactly similar and peculiarly formed claw
shaped projections C, which, at those places where they are intended to come in
contact, (such as a, Figures 1 and 3) are shaped in the form of an S placed side-
ways; this form is characteristic and important, as it serves to prevent the
projections from becoming unlocked from the position shown in Figure 1, in
the event of their being subjected to any accidental side pressure. Straight contact
surfaces, as used in the ordinary connecting ferrules, do not resist a side pressure,
and thus the employment of screwed nuts and other securing devices is rendered
necessary. Their movement in the opposite direction is limited by a suitable
projection, so that, when once connected, they remain secured in position. The
claw shaped projections C are cast or otherwise attached at their inner ends to
their respective ferrules A and B, and their outer ends d project over the opposite
ferrule.
The connecting ferrules A and B are each provided at their outer ends with
an internal annular recess adapted to receive a washer R of india-rubber, which,
when inserted into the recess, projects beyond the outer edge of the ferrule for a
short distance.
If it be desired to connect two hoses attached to these joints or ferrules, the
latter or their parts A and B are brought together into the position shown in
Figure 3, with their rubber rings R bearing against each other, and are then
pressed together by hand until the bearing surfaces a of the projections of the one
hose joint are in line with the bearing surfaces a of the projections of the opposite
hose joint, whereupon both parts are turned against each other in the direction of

page_text: the arrow 1, 2, the turning movement being limited by the mutual contact of the
studs or projections aforesaid, or, in other words, until they assume the position
shown in Figure 1. On releasing both parts, the compressed india-rubber washers R
of both ferrules, in consequence of their elasticity, have a tendency to spring apart
from each other, and, in consequence of this, press constantly the two projections
against one another in a vertical direction, whilst any displacement of the same in
a horizontal direction is rendered impossible, owing to the engaging projections s.
The connection is now complete.
The india-rubber washers R, being pressed together, produce a water-tight
closing of the joint. The washers are pressed into the annular recesses afore-
said, which may be provided with projecting ridges r for retaining the washers
in position.
The advantage of this mode of connection consists mainly in this, that two hose
pipes can be rapidly and easily connected, and, if required, can be as easily and
quickly disconnected.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, as communicated to me by
my foreign correspondents, I declare that what I claim is :-
1. A hose pipe connecting device formed of two completely symmetrical hose
pipe ferrules A and B, each of which consists of only a single piece, which are
provided with several claw shaped projections C and fitted with projecting annular
washers R, so that the connection of the two coupling halves is effected by means of
the simple mutual engagement of the hook shaped projections C with the assistance
of the washers pressing against each other.
2. The peculiar form of the projections C characterised by the wavy shape of the
contact surfaces a which prevent any horizontal movement of the projections C
resulting from side pressure.
Dated this 28th day of January 1891.
WM. P. THOMPSON & Co.,
Agents for the Applicant.