Improvements in Dish and other Covers Containing Liquids for the Purpose of Cooling or Warming Articles of Food.
Year: 1893

page_text: Date of Application, 17th Nov., 1893
Complete Specification Left, 17th Aug., 1894-Accepted, 13th Oct., 1894
PROVISIONAL SPECIFICATION.
Improvements in Dish and other Covers Containing Liquids for the
Purpose of Cooling or Warming Articles of Food.
I, WILLIAM ANGUS SHAW, of 95, Winston Road, Stoke Newington, in the
County of Middlesex, Clerk, do hereby declare the nature of this invention to be
as follows:-
Where articles of food, such for instance as butter, have to be kept cool in
summer, or to be warmed in winter, an effective method of so cooling or warming
them consists in covering the plate or receptacle in which they lie, by a metal cover
resembling an ordinary dish cover but made double, a space of sufficient width being
left between the outer and inner thickness of the cover, and water or other suitable
liquid, cold in summer and warm in winter, being introduced into such space through
an opening in the top of the double cover.
It is necessary or advisable in such cases that such opening should be capable of
being very readily opened or closed, and also that if the vessel is inverted in order
to withdraw the water or other liquid after it has served its purpose, the latter
should be at once drained off, and the hollow space between the inner and outer
parts of the cover left emptied.
The double cover should also be easy to lift off or replace when desired.
For this purpose I make a hollow socket screwed internally which I solder or
otherwise fix above the opening at the top of the double cover, the socket being
provided with a suitable flange by which it is soldered or otherwise fastened upon
the top of the cover, without entering in any degree into the hole in the latter.
I close the hollow socket by means of a screwed stopper which fits freely into it,
and which is provided at its upper end with a suitable handle by which the stopper
can be inserted and removed, which handle also serves when the stopper is in its
place, to lift or carry about the double cover.
The cover may be of any desired shape or dimensions, and by the method of
fixing and constructing the screwed socket as described, the whole of the water is
withdrawn through it when the cover is inverted.
In order to retain the liquid at the desired temperature the outer casing may be
covered with felt or other non-conducting material.
Dated this 17th day of November 1893.
EDWARDS & Co.,
35, Southampton Buildings, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Dish and other Covers Containing Liquids for the
Purpose of Cooling or Warming Articles of Food.
I, WILLIAM ANGUS SHAW, of 95 Winston Road, Stoke Newington, in the
County of Middlesex, Clerk, 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 drawing, that is
to say :-
In cases where articles of food, such for instance as butter, have to be kept cool
in summer, or to be warmed in winter, an effective method of so cooling or warming

page_text: them consists in covering the plate or receptacle in which they lie, by a metal cover
resembling an ordinary dish cover but made double, a space of sufficient width being
left between the outer and inner thicknesses of the cover, and water or other suitable
liquid, cold in summer and warm in winter, being introduced into such space
through an opening in the top of the double cover.
It is necessary or advisable in such cases that such opening should be capable of
being very readily opened or closed, and also that when the cover is inverted in
order to withdraw the water or other liquid after it has served its purpose, the latter
should be at once drained off, and the hollow space between the inner and 'outer
parts of the cover be left quite empty.
The double cover should also be easy to lift off or replace when desired.
For this purpose I make a hollow socket, preferably of metal, screwed internally,
which I solder or otherwise fix above the opening at the top of the double cover,
the socket being provided with a suitable flange by which it is soldered or other-
wise fastened upon the top of the cover without entering in any degree into the
hole so as to form a projection inside the latter.
The hollow socket constructed and fixed as described is closed by means of a
screwed stopper which screws easily into it, a ring or washer of leather or other
suitable material being interposed to make a water-tight joint. The stopper is
provided at its upper end with a suitable handle or bow by which it can easily and
quickly be inserted and removed, and this handle or bow also serves when the
stopper is in its place, to conveniently lift or carry about the double cover.
The double cover or case to contain hot or cold liquid may be made as ornamental
as desired and may be of any desired shape and dimensions suitable for the heating
or cooling purpose to which it is to be applied, and it may be provided with a
separate handle, and by the method of constructing and fixing the screwed socket as
described, the whole of the water is withdrawn through it when the cover is
inverted.
In order to retain the liquid at the desired temperature the outer casing may be
covered with felt or other non-conducting material.
The accompanying drawing is an illustration of a cover constructed according to
my invention, Figure 1 being a side view, Figure 2 a vertical section, and Figure 3
a separate view of the stopper and ring or bow.
a is the outer cover of sheet metal or other suitable material, and b is the inner
cover fitted into the outer one, but having a space between them at the sides
and top.
In the top of the outer cover, a socket d is soldered or otherwise firmly fixed,
its lower edge being made flush with the top c and not projecting at all into the
latter. The socket is screwed so that the plug e can be readily screwed into it, a
leather or other washer between them being shewn at g. f is a ring or bow attached
to or forming part of the stopper e and serving as a handle by which the double
case which receives the hot or cold water as described can be conveniently moved
from place to place as desired when in use.
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 :-
The vessel having sides between which hot or cold water can be introduced, in
combination with a socket and a screwed plug, such plug being provided with a handle
by which the vessel can be conveniently carried, substantially as and for the purposes
described and illustrated
Gay of August 1994.
EDWARDS & Co.,
65 and 66, Chancery Lane, London, Agents for the Applicant.