Year: 1888

page_text: I, FRIEDRICH SCHILLING of Bremen, German Empire, Merchant, 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 improvements in collapsible boxes which are preferably
made of one piece or blank of card-board, stiff paper, or similar pliant material.
The purpose of these improvements is to provide the paper or other box with a
strong, and, as far as possible, airtight top and bottom formed by folding the body or
blank of the box, the said top and bottom being made so as to be easily and con-
veniently unfolded and refolded in order to permit access to the contents of the box,
and to allow of it being closed again when a portion of the contents has been taken
out. An essential feature of the improved folding box is this, that no slit or slits
are cut into the material, the folding lines being so prepared, that the sides or parts
of the blank fold one over the other in such a manner as to form a tight and
durable cover or bottom, not liable to be easily rent in the folds, even when frequently
used.
The improvements of my invention may in practice be carried out in various
modified ways, three of which are represented in the accompanying drawings; the
blanks of these three modifications or typical examples, provided with the folding
lines pressed or scored into them, are shown by Figures 1, 2, and 3.
Figures 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13 serve to explain the manner of folding,
closing, and securing the top or bottom cover of the box. The size of the blanks may,
of course, vary within wide limits, and folding parts similar to those intended to form
the top cover may also be provided on the lower end of the blanks to form the
bottom cover of the box as indicated in Figures 8, 9, and 11. The box, as made
from the blanks shown in Figures 1, 2, and 3, would be open at the bottom, and
could be closed by a separate bottom cover pasted or otherwise secured to the body,
but in general it will be preferable to provide a folding or lap-joint bottom to the
box, either of the same pattern, as the top-cover, or of another pattern. In Figures &
and.9 for instance, the top-cover is formed in accordance with the folding lines shown

page_text: on the blank in Figure 3. while the bottom is closed by a lap-joint in accordance with
the blank in Figure 2. In Figure 11, the top is according to the pattern shown in
Figure 1, and the bottom according to that seen in Figure 2.
The blank A to form a collapsible box of square cross-section is shown in
Figures 1, 2, and 3, subdivided by vertical folding lines a, b, c, into four equal parts,
the said lines being pressed or scored into the material. At one of the edges e of the
blank, a lap-joint may be provided, similar to the lap-joint fat the top of one of the
sides in Figure 1, the said side lap-joint (not shown in the drawings) serving to unite
the two edges e when the box is being formed, or the said edges e may be jointed
together by a separate slip of card-board, paper, or other material pasted upon them,
when the box is formed.
The horizontal scored line d extending across the blank A from one edge e thereof
to the other, serves to form the four lap-joint parts B, C, D, E, which, when folded
down as hereinafter described, form the top cover of the box. In order that these
four lap-joints may be folded without a slit or cut in the folding lines when the
edges e of the blank are united, three of the lap-joint parts B, D, E, Figure 1, must
be subdivided by supplementary folding lines, as indicated by dotted lines. Part of
these lines, as indicated by dots and dashes, are scored or pressed into the material
on the opposite surface, so as to allow of the bending of part of the folding parts
outwards.
The edges e of the blank A being jointed, a box will be formed as shown in
Figures 4, 5, and 6; Figure 4 being a front elevation looking towards the side E;
Figure
a top view and Figure 6 a side elevation showing the parts B, D, bent
slightly inwards.
In folding the top lap-joints, the part E, which is horizontally scored at the
middle of its height, is first bent inwards, as shown in Figure 6, the upper half
folding down upon the lower half. The lap-joint part B and B will accordingly fold
down, their triangular bases bending inwards, and their other parts folding down
upon the bases. The fourth lap-joint part C, being plain, folds down with the others
and covers them, forming the top of the box, as shown in Figure 7.
To secure the lap-joint cover tightly upon the body of the box, the lap-joint,
formed with the side C, Figure 1, is folded down to overlap the front edge of the box,
and it may be pasted, sealed or locked to the box to form a tight joint. The closing
or tightening may be done by any other convenient means, such as by pasting a
separate lap-joint over the edge, or by bending cap h. Figures 4, 6, 7, secured to the
front side of the box and capable of being slipped over the edge thereof to hold the
cover down. Said cap h may at any moment be easily thrown back to open the box,
and replaced when it is again closed.
The pattern shown in Figure 2 is of a simpler kind. Of the lap-joint paris B, C,
DE, only one, D, is of the full size necessary to cover and close the box, the other
three parts being only about half its height. Two of the parts C, E, have folding
lines scored on the outside surface, allowing the triangular corners of said parts to be
bent outwards. Figure 9 (lower half) is a side elevation of a box with a folding
bottom formed in accordance with this pattern, and shown as it appears at the
beginning of the folding operation. Figure 10 is a plan of the bottom of said box,
in the position shown in Figure 9, and Figure 11, (lower half) shows the folding
bottom of this description nearly closed up. The full sized part D covers the whole
area of the box, and may be fastened either by a lap-joint, or by a separate.lap,.or
cap, or by any other suitable means.
1
In the modification or pattern shown in Figure 3, three of the lap-joint parts
B, C, D, are full sized, and the fourth part E is cut away at half its height. The
folding-lines are pressed or scored as indicated. In folding this blank to form the
top or bottom, the two parts B, D, are bent inwards, and the laps of these parts
adjoining the part E, are bent outwards, as shown in Figure S, (upper half) in front.
elevation in Figure 9, (upper half) in side elevation, and in Figure 12 in plan. The
shorter part E is bent outwards, and when the three paris B, C, D, are fully folded
down, so that the unscored part C covers the box, the part E is folded over it, as

page_text: In
shown in Figure 13. its point i entering into a loop g. secured upon the top part C.
The part E thus overlaps the open edge of the box and holds the top closed.
opening the box it is only necessary to withdraw the point e from the loop g, and the
cover may be readily unfolded.
Having now particularly described and ascertained the nature of the said invention,
and in what manner the same is to be performed, I declare that what I claim is :-
-
1. In a collapsible box of paper, card-board, or other pliant material, a lap-joint
top or bottom cover formed by four lap-joint parts (B, C, D, E) of equal size, the
pressed or scored folding lines of which are applied partly inside and partly to the
outside of the material whereby the four parts may be folded down one over another
without a cut or cuts to separate the lap-joint parts, or any portion of them,
substantially as set forth.
2. In a collapsible box of paper, card-board, or other pliant material, a lap-joint
top or bottom cover formed by four lap-joint parts (B, C, D, E,) without a separating
cut or cuts, one of the said parts covering the full area of the box, and each of
the other three parts being only half the area thereof, substantially as set forth.
3. In a collapsible box of paper, card-board, or other pliant material, a lap-joint
top or bottom cover, consisting of four lap-joint parts (B, C, D, E,) without a
separating cut or cuts, three of the said parts being of equal size, and the fourth of
only half the size, and the said fourth part overlapping the edge of the other parts
when folded down, so as to close the edge and hold the top, (or bottom) and being
secured thereto by entering into a loop thereon, substantially as described.
لسيد
1000
WM. P. THOMPSON & Co.,
Of 6, Lord Street, Liverpool,
Patent Agents for the Applicant.