Improvements in Cocks or Valves for Fluids.
Year: 1890

page_text: Date of Application, 6th Dec., 1890
Complete Specification Left, 5th Sept., 1891-Accepted, 16th Oct., 1891
PROVISIONAL SPECIFICATION.
Improvements in Cocks or Valves for Fluids.
I JAMES WESTLEY of 41 Darley Street Farnworth in the County of
Lancaster Brass Founder do hereby declare the nature of this invention to be
as follows:
My invention relates principally to the so termed high pressure cocks or valves
used in the controlling of the supply of water to consumers. In such cocks the
water way is closed by forcing a valve faced with leather or other elastic substance
against a seating by turning a screwed spindle as is well understood. At times it is
necessary to renew the facing washer with which the valve is provided and to enable
this to be done it is necessary to close a stop tap or valve which usually cuts off the
supply to other cocks in the same building or it may be in cases that the supply
to more than one consumer is cut off. In addition to this indicated inconvenience
the stop cocks are often difficult of access and there is a loss of time in obtaining
the required closure. According to my invention I provide each cock with a second
stop valve which acts to close in a direction contrary to that of the ordinary
valve. Taking for example a bib cock which is closed by forcing the valve
downward I apply a second valve which can be forced upward by turning a
screw and I form a suitable seating on the lower side of the partition on which
the ordinary seating is formed. This second valve need not necessarily be
provided with a facing washer as a slight leakage during the time required for
repairs might not be considered to be important. I should form the back of the
second valve so as to effect a tight closure of the opening through which the
screwed shank of the valve would pass. In a modification I propose to employ
a spring to close the second valve the parts being so proportioned as that the
said valve would not close until the ordinary valve would be opened to an extent
beyond what would be required to furnish a fully open passage for the water.
Dated this 5th day of December 1890.
DUTTON & FULTON,
1, St. James Square, Manchester, Agents.
COMPLETE SPECIFICATION.
Improvements in Cocks or Valves for Fluids.
I JAMES WESTLEY of 41 Darley Street, Farnworth, in the County of
Lancaster, Brass Founder, 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 and accompanying drawings:-
My invention relates to the so termed high-pressure cocks or valves used in the
controlling of the supply of water to consumers and to other fluid valves as herein-
after indicated. In such cocks the water way is closed by forcing a valve faced
with leather or other elastic substance against a seating by turning a screwed
spindle as is well understood. At times it is necessary to renew the facing washer
with which the valve is provided and to enable this to be done it is necessary to
close a stop tap or valve which usually cuts off the supply to other cocks in the
same building or it may be in some cases that the supply to more than one consumer
is cut off. In addition to this indicated inconvenience the stop cocks are often
difficult of access and there is a loss of time in obtaining the required closure.
According to my invention I provide each cock with a second stop valve which
acts to close in a direction contrary to that of the ordinary valve. In the cases of

page_text: valves not provided with elastic facings the provision of the supplementary valve
permits of the packing of the gland or of the removal of the main valve for
re-grinding or repairs.
In the accompanying drawings Fig. 1 is a sectional representation of a steam
valve constructed in accordance with my invention Fig. 2 representing a valve
suitable for water. In Fig. 1 is the ordinary valve which is ground to fit its
seating b as is usual. Below or on the other side of the seating is the supplementary
valve c which is carried by a spindle d which passes through a "stuffing box" e.
screw thread is formed upon a part of the spindle and the stuffing box is tapped to
suit such thread as clearly shown in the drawing. By turning the spindle in the
right direction the valve can be pressed close against the back of the seating so as
to close the thoroughfare. When this has been done the bonnet with its valve
and spindle may be removed or the stuffing box in such bonnet may be repacked
without shutting off the pressure from the inlet passage g. The back of the
seating would be faced so as to form a seating for the valve c and if preferred this
valve may be ground to fit its seating. In Fig. 2 the valve a¹ is faced with leather
as is usual and the stuffing box e is dispensed with the screwed spindle d¹ passing
through a removable plug h. Leakage at this point is prevented by screwing
down the valve c until its back bears against a seating on the inner end of the
plug and makes a tight joint. If preferred a stuffing box may be applied as in
the case of Fig. 1. The spindles d d are intended to be turned by applying a key
to the squared end of the spindle but in either case a button or head might be
provided to enable the spindle to be turned without a key. The valve e might be
provided with a facing washer if considered to be advisable.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. The combination of parts constituting the valves for controlling the flow of
fluids substantially as and for the purpose set forth and indicated.
2. In "screw-down" valves for fluids providing a supplementary valve which
can be forced against a seating formed at the back of the ordinary seating
substantially as and for the purpose set forth.
3. In high-pressure water cocks of the indicated nature the valve c having a
screwed spindle passing to the outside and adapted when required to be screwed up
to bed upon a seating formed at the back of the ordinary seating 6 substantially as
set forth and indicated.
Dated this 4th day of September 1891.
DUTTON & FULTON,
1, St. James Square, Manchester, Agents.