IMPROVEMENTS IN SELF-CLOSING TAPS OR VALVES to be as follows:-
Year: 1884

page_text: I JAMES JUDGE of 12 Adrian Terrace Wallsend in the county of Northumberland,
Engineer do hereby declare the nature of my said invention for "IMPROVEMENTS
IN SELF-CLOSING TAPS OR VALVES to be as follows:-
"
This invention relates to certain improvements in self closing taps or valves, the
object being to provide a self closing tap or valve that will be capable of use for
pressure service, will be certain in action and will close without concussion.
The shape of the tap or the description of valve used in the top to stop the flow
of liquid may be varied but the reduction of the concussion consequent upon the
action of closing is effected as follows
At the top or other part of the tap or valve as convenient or desirablo a cylinder
is provided through which a piston connected with the closing valve of the tap
works. Upon the piston, fixed thereto and fitting closely to the inside of the
cylinder, is a plate pierced' with holes and having upon it a loose metal disc,
covering the holes, to act as a valve or I construct this valve in the ordinary way
with a hinged cover In the pierced plate a small hole or notch is mado in the side.
The operation is as follows:-
When the tap or valve is opened and the liquid released the pierced plate,
attached to the piston, is at the lowest point in the cylinder and the liquid in
forcing its way out of the tap also fills the cylinder through the valve in the plate.
As soon as sufficient liquid has been drawn, the tap in closing forces the plate
attached to the piston upwards in the cylinder and in so doing closes the valve in
the pierced plate thus leaving only the aperture formed by the hole or notch in the
side of the plate outside the range of the valve open and through which the liquid
in the cylinder can escape but slowly and so prevent sudden closing and concussion.
In certain cases air may be used in the cylinder instead of the liquid flowing
from the tap to act as the cushion for prevention of concussion as aforesaid.
WALTER A. BARLOW,
6, St. Paul's Churchyard, E.C.

page_text: I JAMES JUDGE of 12 Adrian Terrace, Wallsend in the county of Northumberland
Engineer do hereby declare the nature of my invention for "IMPROVEMENTS IN
SELF CLOSING TAPS OR VALVES" 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 certain improvements in selfacting taps or valves, the
object being to provide a self closing tap or valve that will be capable of use for
pressure service, will be certain in action, and will close without concussion.
In the accompanying sheet of drawings Fig 1 is a side view; Fig 2 a sectional
view; Fig 3 a back view; and Figs 4 and 4° are face views of the piston of a tap
or valve constructed according to this invention.
The shape of the tap, or the description of valve used in the tap to stop the flow
of liquid may be varied, but the reduction of the concussion consequent upon the
action of closing is effected in the following manner :—
At the top, or other part of the tap or valve as may be convenient or desirable,
a cylinder a is provided through which works the rod or spindle 6 connected with
the closing valve c of the tap. Affixed to the rod or spindle b and fitting closely
to the inside of the cylinder a is a piston d said piston being pierced with holes or
slots d' as represented in plan in figs 4 and 4 and a notch d² (fig 4) is formed in
the side of said piston, or a small hole d³ as in Fig 4. Upon the rod 6 and on the
perforated piston d, and acting as a valve thereto, is laid a loose metal disc e
covering the holes or slots but not the notch d² or small hole d³; or in place of
this disc valve I may employ an ordinary hinged valve.
The working of the tap will be as follows:-When the tap or valve is fully
opened, and the liquid released the pierced piston plate & attached to the valve
rod b, is at the lowest point in the cylinder a, and the liquid in forcing its way out
of the tap also fills the cylinder a through the piercings in the piston plate d. As
soon as sufficient liquid has been withdrawn, the valve c of the tap in closing, forces
the piston plate d upwards within the cylinder a and in so doing closes the disc e
down upon the piston d, closing the piercings d' therein, so leaving only the smaller
aperture formed by the notch d or the hole d³ in the piston d outside the range of
the disc e open, and through which the liquid in the cylinder will escape but slowly,
and so prevent sudden closing and concussion.
In certain cases air may be used in the cylinder instead of the flowing liquid
from the tap to act as the cushion for prevention of concussion as aforesaid.
Having now particularly described and ascertained the nature of my said s
Invention, and in what manner the same is to be performed, I declare that what
I claim is
In a self-closing tap or valve the piston d connected with the main valve and
working in cylinder a said piston being fitted with valve openings d' and dª or d³,

page_text: said openings & being opened and closed by a cover plate e (or a valve cover) said
openings d² or d³ serving to allow of the gradual escape of the liquid cushion in
the cylinder a as and for the purpose herein set forth and illustrated by the
drawings.
Dated this 26th day of February 1885.
WALTER A. BARLOW,
Agent for James Judge.