Year: 1890

page_text: I, WILLIAM RIGHTER COMINGS, Mechanical Engineer, of Brewhouse Yard
172 St. John Street, Clerkenwell, London, do hereby declare the nature of this
invention to be as follows:
My improvements consist in making the body portion of box or canister of paper
or other fibrous material, & one or both of the ends of metal; and in so connecting
the ends as to formi tight joints.
In carrying out the invention, I take for the bodies, tubes of the required
diameter, thickness & length, made from paper or other similar material, according
to any of the well known, or other methods; I then form an end of sheet metal,
making it similar in shape to the cross section of the body, but having its outer
edge stamped or otherwise shaped into a (U) shaped groove or corrugation, into
which the end of the tubular body portion fits loosely. Then in order to produce
a tight joint in securing the end this (U) shaped groove is coated, or partially filled
with suitable packing or cementing material, varying according to the nature of
the liquid or substance, the box or canister is intended to contain. This end is
then applied to the body, & the two sides of the (U) groove are then forced together
in a suitable squeezing or crimping machine, thus securing the end to the body of
the box or canister.
For lining the groove I 'use such material as pitch, glue, paraffin, wax, or in
some cases, simply à disc of grease-or water-proof paper, of the same size & shape
as the end.
In some cases the top end of the box or canister, is made like an ordinary lid;
in others, it is made & fixed similar to the bottom end; but is provided with a small
lid or cap, which can be prized up or unscrewed for opening.
In other cases, I prefer to make the top end like a hat shaped disc having a
(U) shaped border; adapted to fit tightly both inside & out, on the end of the body-
and to hold any suitable packing material when required.
In some cases instead of coating a portion or the whole inner surface of the metal
ends it is more convenient to coat or treat chemically the ends of the bodies; and
in other cases where a very soft or elastic material is used for the bodies the
coating can be dispensed with, and a tight, joint obtained by crimping or squeezing
only.
For some purposes the whole interior of the box or canister is lined with a
resisting coating.
41
L
"
COMPLETE SPECIFICATION..
Improvements in Boxes and Canisters.
I, WILLIAM RIGHTER COMINGS, Mechanical Engineer, Brewhouse Yard
St. John Street, Clerkenwell, London, do hereby declare the nature of this inven-
tion and in what manner the same is to be performed, to be particularly described
and ascertained in and by the following statement:-
My improvements consist in making the body portion of boxes & canisters of
paper or other fibrous material and one or both of the ends of metal, & in so
connecting the ends, as to form tight joints. In carrying out the invention I take
for the body portions tubes of the required diameter, thickness and length, made
Price-Ad

page_text: from paper or other similar material, according to any of the well-known, or other
methods.
I then form an end of sheet metal, making it similar in shape to the section of
the body portion, but having its outer edge stamped or otherwise shaped into a
(U) shaped groove or corrugation into which the end of the tubular body portion
fits loosely. Then in order to produce a tight joint in securing the end, this
(U) shaped groove is coated, or partially filled with suitable packing or cementing
material, varying according to the nature of the liquid or substance, the box or
canister is intended to contain. This end is then applied to the body, & the two
sides of the (U) groove are then forced together in a suitable squeezing or
crimping machine, thus securing the end to the body of the box or canister.
For lining the groove I use such material as pitch, glue, paraffin, wax, or in
some cases, simply a disc of grease-or waterproof paper, of the same size & shape
as the end.
In some cases the top end of the box or canister, is made like an ordinary lid; in
others, it is made & fixed similar to the bottom end; but is provided with a small
lid or cap, which can be prized up or unscrewed for opening.
In other cases, I prefer to make the top end like a hat shaped disc having a
(U) shaped border, adapted to fit tightly both inside & out, on the end of the body
& to hold any suitable packing material when required.
In some cases, instead of coating a portion or the whole inner surface of the
metal ends it is more convenient to coat or treat chemically the ends of the bodies;
& in other cases where a very soft or elastic material is used for the bodies the
coating can be dispensed with & a tight joint obtained by. crimping & squeezing
only.
For some purposes the whole interior of the box or canister is lined with a
resisting coating.
A. In order that my invention may be clearly understood, reference is made
to the accompanying drawings which form part of this Specification & in
which;
Figure 1, represents a sectional view of one form of my improved box or canister,
as adapted to what is called a self-opening or
prized up lid.
Figures 2 & 3 are views in section of other forms of my improved boxes or
canisters.
:
Figure 4 is a view in cross section of an end ready for application to a box or
canister.
Referring now to Figure 1, A represents a tubular body made of paper or other
fibrous iuaterial. B & D represent ends, formed from sheet metal, stamped with
(U) shaped grooves, G, as shown in Figure 4.
In making up the box or canister a disc of waterproof paper or other suitable
packing material E is placed over the end so as to cover the Ushaped grooves, the
body A is then forced down into the said grooves thereby carrying the disc of
packing material with it. The box body with one or both ends applied in this way
is then passed through a suitable die or crimping machine which turns in or crimps
the outer edge H of the U shaped groove into the body, thus firmly securing all the
parts together.
The packing disc E serves to make a tight joint and also to protect the contents
'from the action of the tin or other metal from which the ends are made, which is a
great advantage for boxes or canisters intended to carry food or medical products.
cases where this is not an advantage, the disc E may be omitted, or
instead of a disc a ring of just sufficient width to fill and pack the groove G
may be used.
In some
Figure 2 represents a modification in which the packing disc E is omitted from
the bottom end & the U shaped groove is partially filled or coated with a suitable
glue, gum, wax or cement, the end of the tubular body A beds into this material
while soft, then by the hardening of the same and the crimping in of the
edges (H, H) a strong & tight joint is formed.

page_text: Figure 3 represents in cross section a box or canister similar to Figure 1 except
that it is provided with an improved lid C adapted by means of its (U) shaped
groove to fit the tubular body A, both on the inside & outside surfaces, it is shown
provided with a disc packing, but it is obvious that the gum or cement packing
shown in Figure 2 might be used to advantage.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is
•
1. An improved box or canister consisting of a body part made of paper or other
fibrous material, & having metal end or ends secured to it by crimping or turning
in, its shaped edge, substantially as shown & described.
2. An improved box or canister consisting of a body part made of paper or
other fibrous material, metal end or ends united to the said body by a crimped
joint coated or filled with suitable packing material substantially as shown &
described.
3. An improved box or canister having a lid or cover adapted to fit the
body part, both on the inside and outside surfaces, substantially as shown &
described.
4. An improved box or canister having a lid or cover provided with a U shaped
edge, coated or partially filled with a suitable sealing, or joint packing substance or
material substantially as shown & described.