Year: 1886

page_text: We LIONEL DOVE and JOHN STAFFORD BUSH both of Montague Buildings West
Road, West Ham London Engineers 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 :—
The object of this invention is to provide a waste preventer nozzle for beer and
spirit taps that can both be readily fitted and unfitted and also constantly main-
tained in a thoroughly effective condition without the aid of skilled labor and at a
very trifling cost.
Such waste preventer nozzle consists of a screw cap (1) having a flange (2) round
the top which flange forms a seating for an elastic annular washer (3) which is
fitted inside the cap-Also of a taper body (4) provided with a screw collar (5)
which takes into the screw cap-Such body is fitted internally with an elastic
diaphragm (6) which takes its seating against a rim (7) formed on the inside of
such body-The lower part of such body is screw threaded on the inside and is
fitted with a spiral spring (8) which is held in position by a screw nipple (9) which
takes into the threaded base of the body..
The application of our invention is as follows The screw cap of the nozzle is
forced over the nose of the beer or spirit tap which is tightly encircled by the
annular washer fitted in such cap thus preventing any leakage of air therethrough-
On drawing the beer or other liquid from the tap the elastic diaphragm in the body
of the nozzle is forced from its seating thus depressing the spiral spring and
allowing the liquid to escape through the screw nipple-When the desired quantity
of liquid has been drawn such elastic diaphragm is at once forced back upon its
seating by the recoil of the spiral spring thus hermetically closing the beer or
spirit tap to which the nozzle is fitted and effectually preventing any leakage or
waste.
It is obvious that no skilled labor is required to fit our improved nozzle to a
beer or spirit tap as all that is requisite is to force the cap of the nozzle over the
nose of the tap in the manner already described.
It is also equally obvious that the nozzle can be maintained in perfect working
order at a very trifling cost and without the aid of any skilled labor as all that

page_text: is necessary when either the washer or diaphragm or the spiral spring become
worn is to unscrew the cap and the nipple and replace such worn parts with new
ones of a similar description; the cost of such parts being merely nominal.
The figures of reference in the foregoing description refer to corresponding
figures of reference in the accompanying drawings wherein similar figures of
reference indicate corresponding parts.
Figure 1 shews a vertical section of our improved waste preventer nozzle-
Figure 2 shews an external view thereof when fitted to a beer tap-The remaining
Figures shew detail views of the various parts-Figures 3 and 4 are plan views
showing the inside of the screw cap and of the annular washer-Figure 5 a
sectional view of the taper body with screw collar and rim seating for diaphragm
and threaded base-Figures 6 and 7 shew detail views of the diaphragm and spiral
spring and Figures 8 and 9 shew detail views of the screw nipple in plan and
likewise in external elevation.
We would here observe that we make no claim to any of the individual parts
of which our improved waste preventer nozzle is composed as being novel in
themselves.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim is,
The improved waste preventer nozzle as a whole for beer and spirit taps con-
structed arranged, combined and fitted all substantially as hereinbefore described
and shewn.
ELT & Co.,
33, Southampton Buildings,
Holborn, London,
Agents for the Applicants.