the Openings of Metallic Chambers, Casks, or Vessels.
Year: 1885

page_text: the Openings of Metallic Chambers, Casks, or Vessels.
I JAMES KING of the firm of King & Co of Reading in the County of Berks
Builder and General Ironmonger, do hereby declare the nature of my invention
for IMPROVEMENTS IN MEANS OR APPARATUS FOR STOPPERING OR CLOSING THE
OPENINGS OF METALLIC CHAMBERS, CASKS OR VESSELS, to be as follows:-
Considerable difficulty frequently attends the closing of the openings of metallic
chambers, casks or vessels by means of stoppers or closing picces especially where
any considerable degree of pressure is employed in or to the vessel and the object
of my invention is to render the attainment of this object more simple and
expeditious with efficiency.
In carrying out my invention I employ a stopper, plug or closing piece having
outwardly or upon the side from which the stopper is applied, a plate or surface
forming a flange which as applied will lie on or substantially parallel to the surface
of the wall of the vessel the opening in which is to be closed and upon this plate
or surface stands out a projection having coiled around it a screw thread or parts
of a screw thread, which engages, or grips between it and the inner side of the
plate the edges of the hole of the vessel to be closed-india rubber or other packing
being applied first, around the inner side of that plate and its retention being aided
if desired by a recess or recesses.
The thread of the plug or stopper is made of a peculiar form in order that it may
enter at first the more readily the opening by engaging the edges of the metallic
surface and then at or about the end of its rotation its thread may lie flat or
substantially parallel with the surface of the metal wall opposite to the packed
plate and this is attained by providing a variable thread having at its entering end
on the stopping piece, two inclined surfaces and at its finishing coil or turn next
the plate or head to it being formed to present a flat face parallel substantially
thereto and to the gripped wall edges.
Plugs or stoppering means thus constructed are applicable for effecting the closing
of openings in metallic vessels or walls of various kinds where the edges of the
metal around the opening admit of their being gripped as described between the
flat face of the final inner thread and the opposite inner face of the packed plate
or head.
The turning of the plug may be by a handle or turning part permanently or on
occasion applied thereto.

page_text: the Openings of Metallic Chambers, Casks, or Vessels.
I JAMES KING of the firm of King & Co of Reading in the County of Berks
Builder and General Ironmonger do hereby declare the nature of my invention
for IMPROVEMENTS IN MEANS OR APPARATUS FOR STOPPERING OR CLOSING THE
OPENINGS OF METALLIC CHAMBERS,. CASKS OR VESSELS, and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement :-
Considerable difficulty frequently attends the efficient closing of the openings or
mouths of metallic chambers, casks or vessels by means of stoppers or closing
pieces; especially where any considerable degree of pressure exists or is employed
in or to the vessel and the object of my invention is to render the attainment of
this object more simple and expeditious with efficiency.
In carrying out my. invention I employ a stopper, plug or closing piece B of
which the accompanying drawing shews by Figure 1 an outside view and Figure 2
a section having outwardly or upon the side from which the stopper A is applied,
a plate or surface b forming a flange at 63 which as applied will lie on or
substantially parallel to the surface of the wall a³ of the vessel a the opening A in
which is to be closed and upon this plate or surface b stands out a circular wall or
projection having coiled around it a screw thread or parts of a screw thread b³
which as it is wound or turned engages, or grips between its thread face (1) and
the inner side of the plate a forming the edges of the holes A of the vessel to be
closed thereby forming a close joint; india rubber, asbestos or other suitable
packing c being applied, around the inner side of the flange b2 of that plate b and
the retention of this packing ring a being aided if desired, by a recess or recesses,
in the inner face of the flange as indicated in the drawings adapted to partially
receive the packing c and prevent its undue displacement.
Figure 3 indicates by section and Figure 4 by plan view the part of the tank
adjacent to the lateral opening a' and part of the main opening A.
The thread b³ of the plug or stopper is made of a peculiar or special form in
order that it may enter at first the more readily the opening al by which it is
brought into position for engaging the edges of the metallic surface and then so
that eventually when at or about the end of its rotation the inner or flat face (1),
of its thread 6ª may lie flat or substantially parallel with the inner surface of the
metal wall a opposite to the packing plate 62 and this is attained by providing a
variable thread 63 having at its entering end on the stopping piece b two
surfaces (1), (2) the surface 1 being parallel to the plane of rotation and the
surface 2 inclined hereto its finishing coil or turn next the plate or head 6 being
formed to present a flat face (1) substantially parallel thereto and to the gripped
wall edges ³.
Plugs or stoppering means thus constructed are applicable for effecting the
closing of openings in metallic vessels or walls of various kinds where the edges of
the metal around the opening admit of their being gripped as described between
4

page_text: the flat face of the final inner thread and the opposite inner face of the packed
plate or head.
The turning of the plug b may be by a handle or turning part permanently
applied as part of or connected to the stopper or the turning may be by a key or
part engaging openings in or on occasion applied thereto or a stud b¹ formed of a
squared figure on the upper side of the flanged stopper b.
Having now particularly described and ascertained the nature of my said
Invention, and in what manner the same is to be performed, I declare that what
I claim is
In means or apparatus for stoppering or closing the openings of metallic
chambers, casks or vessels the combination of a stopper b formed with a thread b³,
a packing c and the metallic wall a substantially as set forth.
Dated this 11th day of December 1885.
WM BROOKES & SON,
55 & 56, Chancery Lane, London,
Agents for the said James King..