Improvements in Square-bottomed and other Paper Bags.
Year: 1889

page_text: Date of Application, 15th Feb., 1889
Complete Specification Left, 14th Nov., 1889-Accepted. 21st Dec.
1889
PROVISIONAL SPECIFICATION.
Improvements in Square-bottomed and other Paper Bags.
"
I, JAMES BOOTH, of Charlotte Street, Birmingham, Warwickshire, Lithographer,
Printer and Paper Dealer, do hereby declare the nature of this invention to be as
follows:--
This invention has reference to square bottomed and other shaped paper bags, such
for instance as oblong, round or hexagonal, the objects being to so construct the said
bags that they will be stronger, more handy for filling and closing, and when filled
and closed that they will be of a more uniform shape.
In applying my invention for instance to a square bottomed paper bag of the usual.
form with closed bottom and open top, I strengthen the sides of the bag by a piece or
pieces of cardboard or other substance bent and secured together so as to form a
square tube fitting inside the bag and to which the sides of the bag are pasted or
otherwise secured. The length of the tube equals the height of the bag when the top
is. folded down.
By strengthening the sides as above described the bag maintains its shape better
when empty and is therefore more readily filled and when the top is folded and
wrapped over the top of the inside tube the latter keeps the corners of the bag square
and gives it an uniform shape.
My invention can be applied to a paper bag with an oblong, round, hexagonal, or
other shaped bottom similarly as above described with reference to a square bottomed
paper bag, the inside strengthening tube being made of the same shape as the bottom
of the bag.
The bottom of the bag may if preferred be left unfolded and open so that the bag
will then fold flat for packing.
Dated this 14th day of February 1820
CHARLES BOSWORTH KETLEY,
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Square-bottomed and other Paper Bags.
I, JAMES BOOTH, of Charlotte Street, Birmingham, Warwickshire, Lithographer,
Printer and Paper Dealer, 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 has reference to square bottomed and other shaped paper bags, such
for instance as oblong, round or hexagonal, the objects being to so construct the said
bags that they will be stronger, more handy for filling and closing, and when filled
and closed that they will be of a more uniform shape.
In applying my invention for instance to a square bottomed paper bag of the usual
form with closed bottom and open top, I strengthen the sides of the bag by a piece or
pieces of cardboard or other substance scored or perforated and bent and secured together
so as to form a square tube fitting inside the bag and to which the sides of the bag
are pasted or otherwise secured. The length of the tube equals the height of the bag
when the top is folded down.
On the accompanying drawing Fig. 1 represents a square bottomed paper bag con-
structed according to this invention, and Fig. 2 represents the same bag partly torn
open to show the inside strengthening tube, and Fig. 3 is a view of the strengthening
tube separately.

page_text: '
The same letters of reference indicate the same parts in all the figures of the
drawing.
a is the square bottomed paper bag of the usual form closed at the bottom and open
at the top, and is the square cardboard tube to which the sides of the bag are pasted.
In making the bag I prefer to take a rectangular piece of cardboard of the required
size and to bend it round a block to the shape shewn for instance by Fig. 3 and I then
paste the outer paper bag or covering to the tube thus formed this paper part being
long enough to fold over the ends of the tube as in an ordinary square bottomed paper
bag. That part of the paper which projects beyond the bottom of the cardboard
tube is then folded down and secured by paste or other means so as to form the
bottom of the bag.
It will be seen that by strengthening the sifles as above described the bag maintains
its shape better when empty and is therefore more readily filled and when the paper
part which projects beyond the top of the cardboard tube is folded down and
wrapped over the top of the tube b, the latter keeps the corners of the bag square and
gives it an uniform shape.
My invention can be applied to a paper bag having an oblong, round, hexagonal, or
other shaped bottom similarly as above described with reference to a square bottomed
paper bag, the inside strengthening tube being made of the same shape in cross section
as the bottom of the bag.
The bottom of the bag, instead of being closed as represented in Figs. 1 and 2, may
if preferred be left unfolded and open so that the bag will then fold flat for packing
and this will apply to an oblong, hexagonal, or other bag having an equal number of
sides as well as to the square bottomed paper bag above described and illustrated in the
drawing.
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. The improvements in square bottomed and other paper bags hereinbefore
described and illustrated by the accompanying drawing which consists in stiffening
and strengthening the sides of the said bags by an inner tube or piece or pieces
of cardboard or other like substance the said stiffened part being of the same
length as the bag when closed, for the purpose and substantially as herein before set
forth.
2. The combination with the square bottomed paper bag a of the inner strengthening
part secured therein for the purpose and substantially as hereinbefore described and
illustrated by the accompanying drawing.
3. A combined paper and cardboard bag of the kind denoted under Claim 1 but
having the paper extremities of the stiffened sides, which form the top and bottom of
the bag, left unsecured so that the bag will fold into a flat state for packing,
substantially as hereinbefore set forth.
Dated this 13th day of November 1889.
CHARLES BOSWORTH KETLEY,
Agent for the Applicant.