Year: 1887

page_text: Date of Application, 28th Apr., 1887
Complete Left, 25th Jan., 1888
Complete Accepted, 2nd Mar., 1888
I, GEORGE FEATHERSTONE GRIFFIN, of the Albion Tin Works, York Road, Kings
Cross, London in the County of Middlesex, Engineer do hereby declare the nature of
this invention to be as follows:-
This invention relates to improvements in Tin or other metal boxes, cans, or canisters,
for holding alimentary and other substances, with the object of obtaining a box, can,
or canister which while offering no obstruction to the extraction of the contents in an
undivided mass, will be practically air tight, of economical manufacture, and the cover
be removable by the aid of a lever.
I may make my improved box, can, or canister by taking a body in one piece of
any desired depth, such as described in the Specification to my Letters Patent
No. 368 of 1886 from the end of this body I cut a circular piece, thereby leaving a
flange which I then turn inwards forming a double fold, the top of which fold I tlien
press outwards to form an annular recess and so that its edge forms a fulcrum for a
lever to raise the lid or cover, after the manner described in the Specification to my
Letters Patent No. 1301 of 1882; the bottom of this fold acting as a clip or spring
against the lower part of the neck or flange of the lid or cover when placed, and
holding with the amount of tenacity required. To the opposite end of the body I then
fit a bottom in the usual manner; the body of the box is then complete.
I may use with this box a cover or lid having a projecting flange, but I give
preference to a lid or cover having depressions in its neck or flange to receive the end
of the lever. And I prefer to have more than one depression so that when by the
lifting of the lid to a certain height by a lever inserted in the upper depression, this
lower depression presents itself, the end of the lever may be inserted therein and as
much leverage obtained as required for the removal of the cover.
Or I may take an ordinary cylindrical body having sufficient strength of metal to
form the fulcrum for a lever and make the seating for the lid or cover in the open
end of this cylinder without turning in any part of the same; the bottom being
fitted in the ordinary manner and the box closed by a lid or cover after the manner

page_text: previously above described. I however now give preference to the construction of
box first above described.
1 may introduce a packing of any suitable kind between the lid or cover and the
side of the box. In order that my improvements may be fully understood I have
illustrated them on the accompanying sheet of Drawings, upon which, Figuro
represents a section through a pressed cylinder with metal end; Figure 2 is a similar
view with centre portion of plate removed; Figure 3 is a section through a box or can
with top flange driven or rolled down inside. It will be seen here that the lower
part F of the fold not lying close against the body of the box it will be pressed back
by the pressure of the cover when forced into its place and act as a clip or spring
against its neck or flange as shown Fig. 4 which is a section through the box with
cover on complete. Figure 5 illustrates a modification of the above applicable to
ordinary boxes or cans. Figure 6 shows the insertion of a packing between the cover
and the side of the box.-A is the shell or body of the box or can; B the flange or
plate left by the removal of the centre portion at C, and intended to be folded inward
to form the seating for the lid or cover; D the top edge of box or can which serves as
fulerum for the lever in raising the lid; E the recess to receive the lid or cover and
form groovo permitting the action of the lever.
F. the seating and clip for cover within the box; G the bottom of the box; H the
lid or cover; I upper depression formed around lid or cover; K lower depression
formed around lid or cover; L packing.
Dated this Twenty eighth day of Anril 1887

page_text: Improvements in Tin or Tin Plate and other Metal Boxes,
Cans, or Canisters.
1 GEORGE FEATHERSTONE GRIFFIN, of the Albion Tin Works, York Road, Kings
Cross, London, in the County of Middlesex, Engineer, 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 :-
This invention relates to improvements in tin, or other metal boxes, cans, or canisters,
for holding alimentary and other substances, with the object of obtaining a box, can,
or canister, which, while offering no obstruction to the extraction of the contents in an
undivided mass, will be practically air tight, of economical manufacture, and the cover
be removable by the aid of a lever.
I may make my improved box, can, or canister, by taking a body in one piece of
any desired depth, such as described in the Specification to my Letters Patent
No. 368 of 1886; from the end of this body I cut a circular piece, thereby leaving a
flange which I then turn inwards forming a double fold, the top of which fold I then
press outwards to form an annular recess and so that its edge forms a fulerum for a
lever to raise the lid or cover, after the manner described in the Specification to my
Letters Patent No. 1301 of 1882; the bottom of this fold acting as a clip or spring
against the lower part of the neck or flange of the lid or cover when placed, and
holding with the amount of tenacity required. To the opposite end of the body I
then fit a bottom in the usual manner; the body of the box is then complete. I may
use with this box a cover or lid having a projecting flange, but I give preference to a
lid or cover having depressions in its neck or flange to receive the end of the lever,
and I prefer to have more than one depression so that when by the lifting of the lid
to a certain height by a lever inserted in the upper depression, this lower depression
presents itself, the end of the lever may be inserted therein and as much leverage.
obtained as required for the removal of the cover. Or I may take an ordinary
cylindrical body having sufficient strength of metal to form the fulcrum for a lever
and make the seating for the lid or cover in the open end of this cylinder without
turning in any part of the same; the bottom being fitted in the ordinary manner and
the box closed by a lid or cover after the manner previously above described. I
however now give preference to the construction of box first above described. I
may introduce à packing of any suitable kind between the lid or cover and the sides
of the box.
In order that my improvements may be fully understood I will now describe them
by reference to the sheet of drawing left with the Provisional Specification, upon
which-
Figure 1 represents a section through a pressed cylinder with metal end
Figure 2 is a similar view with centre portion of plate removed.

page_text: Figure 3 is a section through a box or can with top flange driven or rolled down
inside. It will be seen here that the lower part (F) of the fold not lying close
against the body of the box, it will be pressed back by the pressure of the cover
when forced into its place, and act as a clip or spring against its neck or flange, as
shewn Figure 4, which
Figure 4 is a section through the box with cover on complete.
Figure 5 illustrates a modification of the above applicable to ordinary boxes
or cans.
Figure 6 shows the insertion of a packing between the cover and the side of the box.
A is the shell or body of the box or can.
B, the flange or plato left by the removal of the centre portion at C, and intended to
be folded inward to form the seating for the lid or cover.
D, the top edge of box or can which serves as fulcrum for the lever in raising
the lid.
E, the recess to receive the lid or cover and form groove permitting the action of
the lever.
F, the seating and clip for cover within the box.
G, the bottom of the box.
H, the lid or cover.
I, upper depression formed around lid or cover.
K, lower depression formed around lid or cover."
L, packing.
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
1. A tin, or other metal box, can, or canister, having the top of the body, and the
lid, formed and combined substantially as described and shewn Figures 4, 5 and 6 of
the drawing.
2. In a tin, or other metal box, can, or canister, the inward fold of the top of the
body (A) forming recess (E) and clip (F) substantially as described and illustrated
Figs. 1, 2, 3 and 4 and 6 of the drawing.
3. A tin, or other metal box, can, or canister, having the seating for the lid formed
without the inward fold substantially as described and shewn Fig. 5 of the drawing,
4. In a tin, or other metal box, can, or canister, a lid having the depressions H,
and I, or their equivalent, substantially as described for the purpose specified.
Dated this Twenty fifth day of January 1888.