Improvements in Tin Ware.
Year: 1893

page_text: Date of Application, 9th Sept., 1893
Complete Specification Left, 9th June, 1894-Accepted, 14th July, 1894
PROVISIONAL SPECIFICATION.
Improvements in Tin Ware.
We WILLIAM BINNS and JOHN WALTER BINNS of the Firm of William
Binns and Sons of 19 Miller Street, Manchester, in the County of Lancaster, Tin
Plate Workers, do hereby declare the nature of this invention to be as follows:-
Our invention relates to tin cans, breakfast cans and such similar articles as are
liable to wear at the bottom through continued use. Such articles have usually
been made with flat bottoms and when not protected by means of projecting wire
rings have been liable to wear into holes through friction of the bottoms with bodies
upon which the articles have been placed.
Wire rings as ordinarily applied have been liable to be knocked off with the
rough usage to which such articles are subjected.
To increase the strength durability and utility of the articles we make the
bottoms of a dished or concave form having margins extending inside the can or
article for a short distance and fitting close to the inside of the body of the same.
The extreme margin of the bottom in each case is made to form a seam with the
bottom edge of the body as is usual. The bottom edge is enclosed on both sides so
that a thick protecting ring is formed. When adding a strengthening ring we
apply it within the dished bottom so that it is in contact with the part of the margin
which extends into the can or article. Such a ring can be sprung into place and
retains its position until it is secured by solder.
Dated the 8th day of September 1893.
E. K. DUTTON & Co.,
5, John Dalton Street, Manchester, Agents.
COMPLETE SPECIFICATION.
Improvements in Tin Ware.
We WILLIAM BINNS and JOHN WALTER BINNS of the Firm of William
Binns and Sons of 19 Miller Street, Manchester, in the County of Lancaster, Tin
Plate Workers, 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 drawings
Our invention relates to tin cans, breakfast cans and such similar articles as are
liable to wear at the bottom through continued use.
Such articles have usually been made with flat bottoms and when not protected
by means of projecting wire rings have been liable to wear into holes through
friction of the bottoms with bodies upon which the articles have been placed.
Wire rings as ordinarily applied have been liable to be knocked off with the
rough usage to which such articles are subjected.
To increase the strength, durability and utility of the articles we make the
bottoms of a dished or concave form having margins extending inside the can or
article for a short distance and fitting close to the inside of the body of the same.
The extreme margin of the bottom in each case is made to form a seam with the
bottom edge of the body as is usual. The bottom edge is enclosed on both sides so
that a thick protecting ring is formed.

page_text: To render our invention more fully understood we have attached hereto a sheet
of illustrative drawings to which we will now refer.
Fig. 1 is an outer view of a can body made in accordance with our invention.
Fig. 2 is a vertical section of Fig. 1..
Figs. 3, 4 and 5 show to an enlarged scale the successive methods of forming and
closing up the margins of the can body and the dished bottom as will be hereafter
explained.
In carrying out our invention we make the bottom a of a dished shape as already
said and as clearly shown in Fig. 2.
The bottom a is attached to the can body b in the following improved manner.
In the first place the margin of the bottom a (see Fig. 3) is stamped so as to
present a straight portion at which fits closely all round against the interior of the
foot of the can body b as clearly appears in Fig. 3. At right angles to this straight
portion a¹ we also form on the bottom another projecting straight portion a². The
foot of the can body b is made with a flange b' which is also shown in Fig. 3. It
will be seen that the part a projects beyond the flange b'. The first operation in
connecting the two together is shown in Fig. 4 and consists in bending the edge of
the projecting part a² over the edge of the flange b¹ which is then enclosed on both
sides by the portion a². The next operation is shown at Fig. 5 and here it will be
seen that both the portion a' and the flange & have been bent over and upward so as
to form a bend which surrounds the foot of the can and which presents an annular
edge upon which the can stands when set down.
In practice when executing this finishing operation upon the can the folded and
re-folded parts a³ and 6¹ are flattened and driven into each other so that the bead is
really a homogenecus ring which is much stronger than an applied wire ring and
which cannot be knocked off or loosened.
If thought desirable we might apply a wire or metal ring to the dished bottom
at or about the part a' as indicated in dotted lines in Fig. 5, and such a ring c
might be sprung into position and secured by solder, but we do not think that such
a strengthening ring would ever be found to be necessary.
The mere dishing of the bottom per se is not novel but our particular method of
forming and applying a dished bottom is advantageous and new.
Our invention is applicable to cans of all sorts and to receptacles generally made
of thin sheet metal such as tin ware.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we
claim is.
The application of dished or concave bottoms to tin ware articles, cans or
receptacles made of thin sheet metal, such bottoms being of the formation, and
applied and fixed at the edges substantially as herein before described and as
illustrated in the accompanying drawings.
Dated the 8th day of June 1901
E. K. DUTTON & Co.,
5, John Dalton Street, Manchester, Agents..