A New or Improved Valve.
Year: 1898

page_text: Date of Application, 22nd July, 1898-Accepted, 27th Aug.,
1898
A New or Improved Valve.
We, FRITZ MAGNEIJ and ERNST PLANGE, both of Iserlohn. in the German
Empire, Manufacturers, do hereby declare the nature of this invention, and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
Plug taps or cocks heretofore in use for regulating the supply of water or of
gas in acetylene lamps and other similar apparatuses possess the disadvantage that
the regulation of the water or gas, as the case may be, is only possible within
small limits dependent upon the quarter or half turn of the plug in the shell, so
that for small acetylene lamps, such as those used for cycles and the like, and
for other purposes in which the correct action depends upon a very accurate
regulation of the quantity of liquid or gas passing, such taps or cocks are not
suitable.
The object of the present invention is to avoid the above-mentioned disad-
vantage; and for this purpose we substitute for the plug a conical or other suitably
shaped valve which can be closed liquid or gas tight against a valve seat, and
can be moved a short distance in a comparatively long period of time by means
of a fine screw-thread; so that a very exact regulation of the opening for the
passage of the liquid or fluid can be effected without difficulty.
As shown in the accompanying drawing, which is a sectional elevation, the
new or improved valve consists of a casing or body A provided with the open-
ings a, as for the passage of the liquid or gas, and of the valve spindle 6 having a
conical or hemispherical valve 61 at its end, and made movable in the direction
of its axis by means of the screw-thread 63. The casing A is provided at its
outer end with a stuffing box into which is screwed a gland c, which presses
against packing d at the bottom of the stuffing box thereby forming an airtight
joint round the spindle b, so that there can be no escape of gas, as often happens
in plug taps or cocks by reason of the imperfect fit of the plugs in the shells.
By turning the valve spindle 6 the cone 6¹ is moved towards or away from its.
seat and consequently to and from the passage a³, so that it may require several
complete revolutions of the spindle to cause the cone 6' to leave the opening a³
quite free, which has been heretofore effected by a quarter or half turn only of the
plug of the tap or cock.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed, we declare that what
we claim is :-
A valve for liquids and gases, especially for acetylene lamps and the like, in
which the passage a³ of the valve casing is formed as a valve seat, and the regu-
lation of the gas or water supply is effected by means of a valve spindle b

page_text: provided at one end with a handle and at its other end with a conical or hemi-
spherical valve 61 the said spindle and valve being movable in the direction of the
axis of the spindle, by means of a screw-thread, substantially as described.
Dated this 0011
T
1000
F. MAGNEIJŲ,
E. PLANGE,
Per W. H. Beck,
115, Cannon Street, London, E.C., Agent.