Improvements in Taps or Cocks for Liquids, Steam, Air, and Gas, and in the Joints of Jointed or Folding Pipes for Conveying Liquids, Steam, Air, and Gas.
Year: 1891

page_text: Date of Application, 16th Dec., 1891
Complete Specification Left, 16th Aug., 1892-Accepted, 17th Sept., 1892
PROVISIONAL SPECIFICATION.
Improvements in Taps or Cocks for Liquids, Steam, Air, and Gas,
and in the Joints of Jointed or Folding Pipes for Conveying
Liquids, Steam, Air, and Gas.
I, RICHARD RODERICK, of No. 2 Temple Row West, Birmingham in the County
of Warwick Auctioneer, do hereby declare the nature of this invention to be as
follows:-
My invention consists principally of the improvements hereinafter described in
the construction of taps or cocks for liquids, steam air and gas, whereby simplicity
in construction and efficiency of action are secured and the leakage common to taps
or cocks of the ordinary kind is prevented. The method I employ of constructing
the plug and body of the tap or cock may be applied to the plug and body
of the joints of jointed or folding pipes for conveying liquids, steam
and gas.
air
In constructing a tap or cock according to my invention I employ a plug having
throughout its whole length or through part only of its length a male or convex
screw cut upon it and I make in the body of the tap or cock a concave or female
screw in which the male screw on the plug engages. When the plug of the tap or
cock is turned in the proper direction for opening the tap or cock the plug rises
slightly in the barrel and works freely therein; when the plug is turned in the
proper direction for closing the tap or cock it is tightly forced home by the action
of the screw and any wear of the parts compensated for. The hole in the body of
the tap or cock in which the plug works may be closed at bottom and the leakage
which frequently occurs at that part prevented.
The method described of constructing the plugs and bodies of taps or cocks may
be applied to the plugs and bodies of the joints of jointed or folding pipes for
conveying liquids, steam air and gases and the leakage of the said jointed pipes
thereby be wholly or in part prevented.
Dated the 16th day of December 1891.
W. T. WHITEMAN,
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Taps or Cocks for Liquids, Steam, Air, and Gas,
and in the Joints of Jointed or Folding Pipes for Conveying
Liquids, Steam, Air, and Gas.
I, RICHARD RODERICK of No. 2 Temple Row West, Birmingham, in the
County of Warwick, Auctioneer, do hereby declare the nature of my invention and
in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement:-
My invention consists principally of the improvements hereinafter described in
the construction of taps or cocks for liquids, steam, air and gas, whereby simplicity
in construction and efficiency of action are secured and the leakage common to taps
or cocks of the ordinary kind is prevented. The method I employ of constructing
the plug and body of the tap or cock may be applied to the plug and body of the
joints of jointed or folding pipes for conveying liquids, steam, air and gas.
In constructing a tap or cock according to my invention I employ a plug having
throughout its whole length or through part only of its length a male or convex
screw cut upon it and I make in the body of the tap or cock a concave or female
Pin27

page_text: screw in which the male screw on the plug engages. When the plug of the tap or
cock is turned in the proper direction for opening the tap or cock the plug descends
slightly in the barrel and works freely therein, when the plug is turned in the
proper direction for closing the tap or cock it is tightly forced home by the action
of the screw and any wear of the parts compensated for. The hole in the body of
the tap or cock in which the plug works may be closed at top and the leakage
which frequently occurs at that part prevented.
The method described of constructing the plugs and bodies of taps, or cocks may
be applied to the plugs and bodies of the joints of jointed or folding pipes for
conveying liquids, steam, air and gases and the leakage of the said jointed .pipes
thereby be wholly or in part prevented.
Figure 1 of the accompanying drawing represents in longitudinal section a
folding or jointed gas bracket to which my improvements are applied, the tap or
cock of the said gas bracket being represented closed; and Figure 2 represents the
tap or cock open.
a is the body of the tap or cock and is the plug of the same. The said
plug is screwed through the greater part of its length with a male or convex
screw and the body a of the tap is provided with a corresponding concave or
female screw in which the male screw on the plug bengages as seen in the drawing.
The unscrewed end or summit of the plug is made conical or hemispherical and
may be provided with a cavity for receiving the packing e; d, e are the gas inlet
and outlet passages in the body the outlet passage e leading to the jointed arms f, g
of the folding gas bracket. By driving home the screw plug in the screwed
body a. the packing cat the summit of the said plug where a packing is used, seats
itself against the bottom of the outlet gas passage e and closes gas tight the said
passage and thereby cuts off the supply of gas to the burner as represented in
Figure 1. To open the tap, the screw plug b is turned in the direction proper to
partly withdraw its conical end from the seat at the bottom of the gas passage e as
represented in Figure 2. In order to clearly exhibit the inlet and outlet passages
of the tap, I have shown the plug in Figure 2 fully withdrawn that is, with its
conical end lowered in the body so as to completely open the inlet passage d, but
in practice a rotation or a portion of a rotation of the screw plug in one or other
direction is sufficient to open and close the tap. Where thought necessary the
body of the tap or the joint may be "nighted" or "half-nighted" that is may
have a stop forined on it against which a projection on the plug may abut, so as
to prevent the said plug from being wholly withdrawn or from being withdrawn to
an unnecessary extent.
The tap or cock may be situated near the gas burner as represented in
Figure 3 instead of near the fixing end of the bracket. In this arrangement
is the inlet passage in the body of the tap and the side outlet passage
leading to the burner k. The packing at the summit of the screw plug b has
in this modification a form proper, when the screw plug is driven home, to,enter
the inlet passage and close it and cut off the supply of gas as represented.
When the screw plug bis turned sufficiently in the body of the tap to withdraw
the packing c from the inlet passage h, the tap is opened and gas passes through
the outlet passage i to the burner.
The packing at the summit of the screw plug b Figures 1, 2 and 3 may be
dispensed with. In this case the inlet and outlet passages are arranged in the body
of the tap in the manner represented in Figure 4, where the inlet passage is
marked and the outlet passage is marked m. The inlet passage opens into
the conical seat n at the top of the screwed body a of the tap and when the
screw plug bis driven home so that its conical end passes into the conical seat n
the inlet passage is closed and the supply of gas cut off.
When the screw. .plug'b
is lowered in the body a as represented in the drawing, the tap is opened and gas
passes to the burner.
I will now describe my method of constructing the plugs and bodies of the
folding arms. of the gas.brackets.

page_text: 4.
The arm Figures 1, 2 and 4 which is connected to the tap body a has the
bottom of its elbow p made into a screw plug which screws into the screwed
socket at the top of the body a of the tap. On turning the arm in one or
other direction the screw plug of the elbow p slightly rises and falls in the screw
socket r.
9
The joint of the second arm g of the bracket Figure 1 and the joint of the single
arm of the bracket Figure 3 are made in a similar manner.
That is to say
the upper parts of the elbow has a screw plug at bottom and the lower
part of the elbow has a screwed socket for receiving the screw plug of the
part s.
I apply my improvements to taps or cocks for liquids, steam and air substantially
as hereinbefore described and represented with respect to gas taps; and I apply my
improvements to the joints of jointed or folding pipes for conveying liquids, steam
and air substantially as hereinbefore described and represented with respect to the
joints of folding gas brackets.
Having now particularly described and ascertained the nature of my inven-
tion and the manner in which the same is to be performed, I declare that 1
claim as invention:-
my
First The improvements in taps or cocks for liquids, steam, air and gas
hereinbefore described and illustrated in the accompanying drawing; that is to
say, the use of a male or convex screw plug working in a corresponding concave or
female screw in the body of the tap for opening and closing the tap in com-
bination with inlet and outlet passages in the body of the tap of the kinds
described and illustrated the said screw plug being provided with a packing for
producing a tight seating of the said plug, or making the end of the plug
conical for seating itself in a conical scat at the end of the screwed body of
the tap substantially as described and illustrated.
Secondly-The arrangement or combination of the parts of the joints of jointed
or folding pipes for conveying liquids, steam, air and gas hereinbefore described
and illustrated in the accompanying drawing; that is to say, making one part
of the elbow of the joint with a screw plug for taking into a screwed socket in the
other part of the elbow or in the body of the tap or cock substantially as described
and illustrated.
Dated the Fifteenth day of August 1892.
RICHARD RODERICK.