Improvement in the Lids or Covers of Milk Cans and other Vessels.
Year: 1885

page_text: Improvement in the Lids or Covers of Milk Cans and other
Vessels.
J
We, FRANCIS HABGOOD FREETH and SIDNEY JOB PоCOCк trading as Freeth and
Pocock, of No 8 South Lambeth Road, Vauxhall, Surrey, Dairy Implement Makers,
do hereby declare the nature of our invention for IMPROVEMENT IN THE LIDS OR
COVERS OF MILK CANS AND OTHER VESSELS, to be as follows:-
The object of a cover or lid is to secure the contents of any Milk can or other
vessel from dirt or dust and to do this a metal cover is fitted with a rim or flange
on its underneath surface in such a way that when the lid is closed the rim or
flange fits closely to the inside of the vessel.
Our invention is a lid in which the cover and rim are in one piece of metal
instead of, as is usually the case, being made of two or more pieces sordered
together.
3
Dated this eighth day of October Eighteen hundred and eighty five.

page_text: We FRANCIS HABGOOD FREETH and SIDNEY JOB POCOCK, trading as Freeth and
Pocock, 8 South Lambeth Road, Vauxhall, in the county of Surrey, Dairy Utensil
Manufacturers, do hereby declare the nature of our invention for AN IMPROVEMENT
IN THE LIDS OR COVERS OF MILK & CREAM CANS, and in what manner the same
is to be performed, to be particularly described and ascertained in and by the
following statement :-
The object of a cover or lid is to secure the contents of any Milk Can or Cream
can from dirt or dust and to prevent the milk being spilled and to do this a metal
cover is fitted with a rim or flange on its underneath surface in such a way that
when the lid is closed the rim fits closely to the inside of the vessel.
Our Invention is an oval lid or cover for a milk or cream can in which the cover
and rim are formed out of one and the same piece of metal, instead of -as has
always been the case for milk and cream can lids previously--being made of two
or more pieces soldered together thus enabling the rim to fit much closer to the
can as will be seen in Figure 5-B and doing away with the hollow place in the
lip (as seen in Fig. 6) which has always been an objectionable feature in the milk
can lid as previously made.
It is moreover claimed as seen from the plan in Fig. 5 that the shape of the cover
is an oval and that a section of its surface is part of a hollow sphere.
The process of manufacture by which the said milk can lid is made can be divided
into two parts.
In the first part are those operations by which a piece of flat metal is converted
into the various shapes and forms shown in Figs. 1. 2 and 3. and which operations
having been in use some time past for other things are not sought to be included
in the present application for protection, the same being introduced for reference
only..
In the second part are those operations which refer particularly to the process of
manufacture now sought to be protected.
Having made our milk can lid in the form shewn in Figure 3. we construct a
stamp or punch. (Figure 4. a) and receiving beds (Fig. 4. b & c), by which the
milk can lid is converted into the shape shewn in Figure 5-C.
The lower part of the stamp and upper surfaces of the receiving beds are made
as shewn in Figure 4. so as to make the top of the milk can a portion of a sphere.
The operation of forming the lid is as follows.
The bent piece of metal as shewn in Figure 3. is placed upon the receiving beds
b and c, and under the stamp "a."
The stamp is then forced downwards by any power, (such as a stamping press)
into the receiving beds giving it the required shape shewn in Fig. 5.
By such power the punch is then raised some distance above the milk can lid and
the portion of the receiving bed marked “b” also raised slightly thus enabling
"

page_text: the operator to remove the lid and place another shape under the stamp for similar
treatment.
There are other operations for finally completing the milk can lid for use but
they do not come within the scope of this application for a Patent.
Having now particularly described and ascertained the nature of our said
Invention and in what manner the same is to be performed, we declare that
what we claim is,
1. The construction of an oval semi spherical metal milk or cream can lid formed
of one piece of metal only.
2. The mechanical operation and shape of tools for obtaining an oval semi-
spherical metal milk or cream can lid by suitable stamps and receiving beds, as
hereinbefore described and illustrated by Drawings Figs. 4 & 5..