New or Improved Packing for Piston Rods, Spindles, Pump Rods, Rams, and like Moving Parts of Machinery.
Year: 1894

page_text: Date of Application, 28th Nov., 1894
Complete Specification Left, 13th Mar., 1895-Accepted. 21st Sep*., 1895
PROVISIONAL
SPECIFICATION.
New or Improved Packing for Piston Rods, Spindles, Pump Rods,
Rams, and like Moving Parts of Machinery.
I ERNEST SAMUEL of Church Street, Llanelly, in the County of Carmarthen,
Engineer, do hereby declare the nature of this invention to be as follows:-
:-
My invention consists of a new or improved packing intended for use with
steam, pneumatic, hydraulic, or other fluid pressure machinery and applicable to
piston rods, valve spindles, pump rods, rams, plungers and other moving parts of
such machinery, said packing being easy of application and particularly effective
and durable.
To carry out my said, invention I take a number of rings of anti-friction metal,
say four or six, turned or machined accurately to the size of the rod or spindl, and
I cut or divide, say by means of,a saw, each of the said rings into two, three or
more segments, each segment.being capable of fitting closely against and partially
surrounding the surface of the rod or spindle.
These segments when placed together form a series of rings .each of which is
slightly less in diameter than the rod or spindle which passing through them causes
the segments of each ring to spread slightly apart, but they are nevertheless of the
same contour or curve, of the surface thereof, and in applying them, I first secure
them upon and around the said rod or spindle, temporarily or permanently, by
means of string, wire, or the like passing.around a groove provided for this purpose
in each of the rings, or by other effective means.
I then pass the spindle and rings into the usual stuffing box or equivalent sufficient
space being left outside of the rings,into which is inserted,ordinary textile or other
packing, preferably of the kind known as the "codifex "packing, whereby.pressure
upon the gland, by screwing up of the bolts or in other manner, will cause the
textile or equivalent packing to bear tightly against the segments of the metal
rings, the latter thereby producing a steam, water, air, or gas tight connection with
the rod or spindle.
The usual gun metal, or other bush is provided in the stuffing box which..may be
of the usual construction.
It will be seen that the textile or other soft packing bearing.continually upon
the stationary rings or segments instead of upon the moving parts, such as the rod
or spindle, will not become worn, and will last for a long time without the necessity
of renewing.
Dated this 21th day of November 1894

page_text: New or Improved Paoking for Piston Rods, Spindles, Pump Rods,
Rams, and, like Moving Parts of Machinery.
I, ERNEST SAMUEL of Church Street, Llanelly, in the County of Carinarthen,
Engineer, 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:―
My invention consists of a new or improved packing intended for use with
steam, pneumatic, hydraulic or other fluid pressure machinery and especially
applicable to piston rods, valve spindles, pump rods, rams, plungers, and other like
moving parts of such machinery, the said packing being easy to apply and
particularly effective and durable.
In describing my invention I shall refer to a sheet of drawings on which
Figure 1 is a section shewing a piston rod (in elevation) in its bearings and
packed by means of my invention.
Figure 2 is a plan of same on line x-x.
In carrying out my said invention I take a number rings such as A. A. A. of
anti-frictional metal, say for instance four or six, turned or machined accurately to
the size or diameter of the rod or spindle and I cut or divide say by means of a
saw, each of the said ings into two, three or more segments as at B B each segment
being capable of fitting closely against and partially surrounding the outer face of
the rod or spindle C.
These segments when placed together form a series of rings each of which is
slightly less in diameter than the rod or spindle which on passing through them
causes the segments of each ring to spread slightly apart but they are nevertheless
of the same contour or curve on their inner faces. For the purpose of applying
the segmental rings I may cut a groove D around the outer face of each in which
a cord or wire or the like may lie and by means of this cord I secure them in
position upon or around the rod or spindle, or other means may be employed.
I then pass the spindle and rings into the usual stuffing box E or its equivalent a
space being left or provided outside the rings into which is inserted ordinary textile
or other suitable packing F. F preferably of the kind known as the "codifex"
packing, whereby pressure on the gland Ĥ by screwing up bolts J (or in other
manner) will cause the packing F F to bear tightly against the segmental metallic
ring packings A A thereby producing a steam, water or gas tight bearing against
the rod or spindle.
I may cut off or taper each end of each segment as shewn at K K if I find
by such means that on the wearing of the inner surface of the segments they will
fit more accurately round or up to the piston rod or spindle.
The usual gun metal or other bush L is provided and between this and the
packings FFI place a metal ring M bearing on the said packing F and
compressing it at the back of the segmental rings A. A. A.
The segmental rings are secured on the rod or piston so as to break joint.
It will be seen that the textile or other soft packing F F bearing continuously
upon the segmental metallic rings instead of upon the moving parts will not become
worn and will seldom require renewal.
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. Segmental metallic rings for use in packing piston or pump rods or like parts
of machinery arranged and constructed substantially as hereinbefore described and

page_text: particularly so that their inner faces shall be always in true contact with s
piston or other like rods.
2. In packings for piston rods or like moving parts of machinery the combination
of textile or other soft packing with segmental or divided metallic packing
rings constructed as hereinbefore described with reference to the accompanying
drawings.
Dated this 19th dow of March 1905
POPPLEWELL & Co.,
Agents for the Applicant.