An Improved Self-closing Valve for Water Pressure, Steam, and other purposes.
Year: 1894

page_text: Date of Application, 14th June, 1894.
Complete Specification Left, 12th Mar., 1895-Accepted, 4th May, 1895
PROVISIONAL SPECIFICATION.
An Improved Self-closing Valve for Water Pressure, Steam, and
other purposes.
We, JOHN REES JONES, of 18 Lower Jersey Street, Abergwynfi, in the
County of Glamorgan, Engineer, and WILLIAM BARNES, of Ty Draw Street,
Port Talbot, in the County of Glamorgan, Colliery Manager, do hereby declare
the nature of this invention to be as follows:-
This invention relates to an improved construction of self-closing valves
principally required for the water taps commonly used in connection with town
supply mains. The valves usually employed for this purpose have leather or
india-rubber packing or washers forced up against a valve seat by a screw.
washers soon become worn and great leakage takes place.
The
The object of my improved valve is to prevent leakage and accordingly I make
the body of the valve with a straight passage through. Within and passing
through this passage, there is a fluted valve spindle, the inner end of which carries
a conical metal valve working up against a mitre seating on the innermost part of
the body. The metal body is screwed or flanged to secure it to the main supply.
The pressure from the interior closes the valve against its seat, metal to metal.
The fluted spindle being slightly twisted or rifled so as to cause it to revolve when
the water is passing through, an orifice in the side of the body, with a suitable
nipple thereon, communicates with the central passage and through the said orifice
the water flows when the valve is opened. The valve spindle at the end opposite
the valve is made to project beyond the end of the metal body and passes through
a circular opening therein. The spindle is round at this part to prevent escape of
water therefrom, but any suitable stuffing box may be placed at this point if
necessary. The force of the internal pressure keeps the valve shut, but a spiral
spring may also be employed. This spring is preferably made to embrace the
projecting end of the valve spindle and against a knob or pusher attached at the
extreme end. The object of the spiral spring is to ensure the valve closing under
light pressures.
The valve may be made of any material that may be found suitable and
effective.
When these valves are required for hotel purposes I prefer to make them of a.
light and not easily corrodable metal such as aluminium and the like.
Dated this 14th day of June 1894.
PHILLIPS & LEIGH,
Agents for the Applicants.
COMPLETE SPECIFICATION.
An Improved Self-closing Valve for Water Pressure, Steam, and
other purposes.
We JOHN REES JONES of 18 Lower Jersey Street, Abergwynfi, in the
County of Glamorgan, Engineer, and WILLIAM BARNES, of Ty Draw Street,
Port Talbot, also in the County of Glamorgan, Colliery Manager, do hereby
declare the nature of our invention and in what manner the same is to be
Paino 1

page_text: performed, to be particularly described and ascertained in and by the following
statement :-
Our invention relates to improvements in self closing valves for use on pipes
through which water, steam, or other liquids or fluids (hereinafter referred to as
water), are delivered under pressure, and is especially applicable to the draw-off
valves on town water pipes. The particular object of the invention is to prevent
leakage and this object is effected by an improved type of valve spindle in
combination with metallic valves and valve seats in place of the usual leather or
india-rubber packings.
In carrying our invention into effect we provide a clear way through the valve
body through which the valve spindle works. The valve is circular in cross
section and tapered in side elevation and is fast upon the spindle. The seating is
of a corresponding contour. The valve is pushed off its seating by an external
push piece and returned by the pressure in the main. A returning spring is added
in cases where such pressure is only low. The spindle is fluted for the purpose of
receiving a rotary motion from the water flowing through the body of the valve.
The object of this rotary motion is to keep both valve and seating from wearing
unequally. The front portion of the way is closed by the front and unfluted
portion of the valve spindle which is pushed thereinto each time that the valve is
opened. The water leaves the said way at a right angle therewith through a
suitable spout or connection. The fluted valve spindle, valve and seating above
mentioned may be duplicated, both being aligned and therefore under the control
of one push piece.
Referring to the accompanying figures which are to be taken as part of this
Specification and read therewith
Figure 1 is a side elevation of a single valve constructed according to the
present invention.
Figure 2 is a longitudinal section of Figure 1.
Figure 3 is a side elevation of a duplex valve constructed according to the
present invention.
Figure 4 is a longitudinal section of Figure 3.
Figure 5 is a side elevation of the back valve and valve spindle, and
Figure 6, a side elevation of the front valve and valve spindle of the duplex
valve illustrated in Figures 3 and 4.
a is the valve body and b, the clear way through it from end to end.
c is an ordinary screwed male end or tail for attaching the valve to the water
pipe and d is the water delivery from the valve, from which it is taken as near
as convenient to the front end of the way b. The delivery is shewn as of the cap
and lining or union type. Neither portions c, d, form any part of the present
invention and either may be modified to any convenient extent.
e is the valve and f, the valve spindle. The seating of the former is cut in the
end of the tail c being a radial extension of the clear way b. Both valve and valve
seating are circular in cross section and tapered regularly in side elevation, the
major diameter being towards the tail of the valve, and the smaller towards the
delivery d, so that the former is effectively presented to the full pressure obtaining
in the main. The valve e is made fast by its smaller end to the spindle f; both
spindle valve e, seating and clear way b being axially coincident. The spindle f
is fluted spirally from the back end of it where it joins the valve e up to a point
in its length which is flush with the front end of the valve body a when the valve
is closed. The object of this spiral fluting has been already stated, and provided
that its accomplishment is duly provided for, our invention does not limit us in
respect of the cross section of the fluting nor of the pitch of it. The spindle fis
continued past the above mentioned point to the front for a distance equal to, or at
least not less than, the lift of the valve e. For that distance, the spindle is of the
same cross section and diameter as the clear way b which it fits with a proper
working fit. g is a push piece loose as far as being capable of turning freely about
its axis, on the front end of the spindle f; and ha spiral returning spring wound

page_text: about the above described continuation of the spindle and having the opposite ends
of the valve body a and the push piece 9 for its bearing surfaces.
In the duplex valve illustrated in Figures 3 to 6, the valve body proper is made
in two portions a and a¹ which are fixed fast together in any suitable way. The
seating of the front valve e is made in the back end of the front portion a', its
spindle push piece and returning spring being of the same construction as
described with reference to Figures 1 and 2. The back valve e and its seating are
of the same construction as described with reference to the said figures. Its
spindle is separate from the valve e¹ and spindle f¹ and is fitted with its own
spiral returning spring h' which has for its bearing surfaces the back end of the
body a and a cup fast upon the front end of the spindle f. The front face of
this cup is always in touch with the back end of the valve e so that both valves
are under the control of the push picce g.
Having now particularly described and ascertained the nature of our said
invention and in what manner it is to be performed, we declare that what we
claim is :-
1. The combination of spirally fluted valve spindle, conical valve seating and
valve adapted to be opened against the pressure in the main by a push from the
front of the valve body, as set forth.
'
2. The combination of two spirally fluted valve spindles, conical valve seatings
and valves adapted to be opened against the pressure in the main by a push from
the front of the valve body, as set forth.
3. The improved valve having rotary valve or valves proper, as set forth.
PHILLIPS & LEIGH,
No. 22, Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicants.