Improvements in and connected with Sheet Metal Cans or Boxes.
Year: 1892

page_text: Date of Application, 24th Nov., 1892
Complete Specification Left, 24th Aug., 1893-Accepted, 30th Sept., 1893
PROVISIONAL SPECIFICATION.
Improvements in and connected with Sheet Metal Cans or Boxes.
I, FREDERICK WILLIAM FEAVER, of 12, Lawrence Road, South Norwood, in
the County of Surrey, Metal Worker, do hereby declare the nature of this
invention to be as follows:-
My invention relates to sheet metal cans or boxes, and has for its object to
provide improved means for facilitating the opening of the same.
According to my present invention I form around that side of a cap or box which
forms the lid two parallel cuts or grooves extending so far into the body of the
metal as to weaken the same sufficiently to enable the portion of metal between the
two cuts or grooves to be torn away from the other portion.
In practice the cuts or grooves are placed so far apart that the strip of metal
between them will possess sufficient strength to prevent it from breaking as it is
being torn off.
At one place in the lid the cuts or grooves are extended quite through the same
so as to form a tongue which may be grasped when opening the can or box, the
hole which is formed by this tongue being hermetically closed by soldering a piece
of sheet metal over the same.
In opening cans or boxes made according to my invention I advantageously
make use of a kind of key having a slot to receive the said tongue, the key being
turned to wind the strip thereon.
1000
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in and connected with Sheet Metal Cans or Boxes.
I, FREDERICK WILLIAM FEAVER, of 12, Lawrence Road, South Norwood, in
the County of Surrey, Metal Worker, 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 relates to sheet metal cans or boxes, and has for its object to
provide improved means for facilitating the opening of the same.
According to my present invention I form around that side of a can or box
which forms the lid, two parallel cuts or grooves extending so far into the body of
the metal as to weaken the same sufficiently to enable the portion of metal between
the two cuts or grooves to be torn away from the other portion.
In practice the cuts or grooves are placed so far apart that the strip of metal
between them will possess sufficient strength to prevent it from breaking as it is
being torn off.
At one place in the lid the cuts or grooves are extended quite through the same
so as to form a tongue which may be grasped when opening the can or box, the
hole which is formed by this tongue being hermetically closed by solder.
In opening cans or boxes made according to my invention I advantageously make
use of a kind of key having a slot to receive the said tongue, the key being turned
to wind the strip thereon.

page_text: To enable my invention to be fully understood I will describe the same by
reference to the accompanying drawings, in which :-
Figure 1 is a plan view of a metal can provided with means for opening the
same according to my invention; and,
Figure 2 is a perspective view illustrating the method of tearing out the strip;
and,
Figure 3 is a perspective view of the key by means of which such tearing is
effected.
a is the top or lid, the dotted lines 5, 6 in which represent the cuts or grooves
which are formed in the said metal and which extend so far into the same as to
weaken it sufficiently to enable the portion or strip c of metal between the said
grooves to be torn away as shewn. d is the tongue at one end of the said strip c,
the said tongue being formed by cutting quite through the metal. e, Figure 2,
indicates solder which serves to close the hole formed by pushing up the tongue d.
In order to open the lid a key such as f, which is shewn in Figure
provided with a slot g at one end, is engaged with the tongue d and then rotated to
tear the strip c away from the surrounding metal, the said strip being at the same
time wound upon the key, as shewn in Figure 2.
and
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 :-
The improvement in sheet metal cans consisting in forming around that side of
the same which constitutes the lid two parallel cuts or grooves extending so far
into the body of the metal as to weaken the same sufficiently to enable the portion
of metal between the said cuts or grooves to be torn away from the other portion,
substantially as herein before described.
Dated this 24th day of August. 1803
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.