An Improved Form of Cooking Vessel or Saucepan.
Year: 1893

page_text: Date of Application, 25th Mar., 1893
Complete Specification Left. 27th Dec., 1893-Accepted, 17th Feb., 1894
PROVISIONAL SPECIFICATION.
An Improved Form of Cooking Vessel or Saucepan.
RICHARD WILLIAM WELBANK, North Newington, near Banbury, Shopkeeper,
do hereby declare the nature of this invention to be as follows:-
An improved form of cooking utensil consisting of two parts; an inner and outer
receptacle. The inner receptacle being inserted into outer receptacle and so
secured as to render the outer receptacle steamtight; there being no escape for the
steam except by way of a steam safety valve which is so constructed as to prevent
the escape of steam under a certain pressure.
By the above arrangement an improved form of cooking utensil is provided ;
making it superior to all existing double cooking utensils used for like purposes;
(1) By the outer receptacle being made steam tight, and the addition of the
aforesaid valve so constructed as to retain the steam under a certain pressure the
temperature is so raised in the outer receptacle, as to ensure the water boiling in
the inner receptacle; while milk can be heated considerably above boiling point;
thus gaining the advantage of cooking as quickly and thoroughly as in the
ordinary single saucepan without the disadvantages arising from the possibility or
probability of burning the food and the attention usually required. (2) This
temperature can be maintained for a lengthy period ;-the construction of the outer
receptacle prevents the water boiling over while the valve checks the loss of it by
evaporation. (3) It economises the cost of firing whether of coal, gas or oil; for
when once the desired temperature is gained it can be maintained at a small
expenditure of either of the above.
Dated this 23rd day of March 1893.
RICHARD WILLIAM WELBANK.
COMPLETE SPECIFICATION.
An Improved Form of Cooking Vessel or Saucepan.
RICHARD WILLIAM WELBANK North Newington Banbury Shopkeeper 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 :-
An improved form of cooking utensil consisting of two parts; an inner and an
outer. The inner vessel is inserted into the outer and made secure at the neck (A)
so as to render it steamtight. Water is placed in the outer vessel which can be
done by unscrewing cover of valve (B). When the water boils there is no escape
for the steam but by way of the valve (B) which is held in check by a spring
sufficient to ensure the boiling of water or the speedy cooking of food which is
placed in the inner vessel. By the application of the above principle i.e. the
securing of inner vessel into outer vessel and allowing no escape for steam but by
way of the aforesaid valve; ensures the raising of the heat in the outer vessel
above that of the ordinary double saucepan whereby the food in the inner vessel is
cooked or prepared with greater speed equal to that of the ordinary single saucepan,
not only ensuring the water boiling in the inner vessel but to continue to boil when
the lid is removed.
It is an impossibility to burn the food, and very little attention is required.

page_text: Water cannot boil over from outer vessel; and as very little is lost by evaporation,
there is no need of filling up while cooking: being a drawback in other double
saucepans.
It economises fuel whether of coal, gas, or oil, as when once the desired
temperature is raised a small expenditure of either of the above is required to
accomplish the end in view.
It can be used for cooking milk foods meat, and poultry in their own juices,
preparing glue, preserving fruit and other purposes. Accomplishing all that the
double saucepan performs only quicker and better besides accomplishing ends
that cannot be gained by the latter on account of inadequate heat.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is performed I declare that what I
claim is :-
As a novelty whereby the advantages described above are gained, the fixing of
an inner vessel into an outer vessel, combined with the addition of a valve so
constructed as to prevent the escape of steam from the outer vessel until the
temperature is so raised above the boiling point as to ensure the water boiling in
the inner vessel and to continue boiling when the lid is removed.
Dated this 23rd day of December 1893.
RICHARD WILLIAM WELBANK.