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Патент USA US2405564

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Aug. 13, 1946.
G. J. EVANS.
2,405,564
FOLDING BOX
Filed July 23, 1943
4 Sheets-Sheet 1 V
ATTORNEYS
Aug. 13, 1946.
~ G, J. EVANS
2,405,564
’ FOLDING BQX
Filed July 23, 1945
*
4' Sheets-Sheet 2‘
_
‘
'INVENTOR;
77% rWMM I
ATTORNEYS
Aug. 13,1946.
"
G. J. EVANS
FOLDING Bbg:
Filed July 23, 1943 ‘
-_
2,405,564
4 Sheet‘s-Sheet a '
-
ATTORNEYS '
Aug. 13, 1946.
G; J, EVANS
2,405,564
‘FOLDING BOX
Filed July 23, 1943
4 Sheets-Sheet {4
ATTORNEYS
Patented Aug. 13, 1946
2,405,564
UNITED STATES PATENT OFFIC
2,405,564
FOLDING BOX
Guy J.’ Evans, Bu?alo, N. Y.
Application July 23, 1943, Serial No. 495,871
1 Claim.
1
(01. 229-411)
This invention relates to a folding box com- ’
prising a body or container and a cover for
closing the body.
The object of this invention is to provide a
box of this character in which the body and
cover are each constructed of one piece of paper
2
Along the opposite longitudinal edges II, I2
of the ‘bottom are arranged two longitudinal
panels I5, I6 forming the upright side panels
of the box and connected at their lower. edges
with the bottom along the edges II, I 2 which
also represent the lines on vwhich the side panels
or other sheet material, which is so constructed
are bent relative to the bottom when erecting
as to require a minimum amount of material,
the box.
which can be quickly and easily erected, and
At opposite ends ofv the side Wall panel is are
which upon being erected produces a box which 10
arranged two panels I1, I‘! which form parts of
is very strong and durable and has the general
the wall at opposite transverse ends'of the body 7
appearance of a glued or permanent box.
In the accompanying. drawings:
of the box.
Each of the end panels I‘! is con
nected with the adjacent end of the panel it
Fig. 1 is a perspective View of the erected ‘body
along a line I8 on which these members are
or container of a box made in accordance with 15
bent
relative to each other when erecting the
this invention, and showing the cover thereof
box.
removed.
At its outer edge I 9 each of the wall panels
Fig. 2 is a vertical cross section, on an enlarged
I‘! is provided with a coupling ?ap 20 which is
scale, taken on line 2-2, Fig. l, and showing
foldable relative to the respective panel along
the cover applied to the body.
20 the line represented by the edge !9 when erecting
Figs. 3, 4 and 5 are fragmentary horizontal
the box. On the central part of the outer edge
sections, on an enlarged scale, taken on the
'2! of this ?ap the same is provided with a locking
correspondingly numbered lines in Fig. 2.
tab 22 which as a whole is of forwardly or
Fig. 6 is a fragmentary vertical section, taken
outwardly tapering form and normally arranged
on line 6-6, Fig. 2.
25 in the plane of the ?ap 20 and in its outer edge
Fig. 7 is a plan view of the blank from‘ which
this tab is provided with a J-shaped slit 49 so
the body or container of the box is formed.
as to form a locking lip 23 on this tab which
Fig. 8 is a perspective view from the top of
in the unfolded condition of the ‘box lies in the
the cover of the .box embodying this invention.
Fig. 9 is a similar view looking toward the 30 same plane as this tab, as shown in Fig. '7, but
is adapted to be bent laterally inward at an angle
underside of the cover.
to this tab along a line 24 when erecting the
Fig. 10 is a fragmentary vertical section, taken
box.
on line Ill-II], Fig. 8.
Adjacent to each inclined edge I3 of the bot
Fig. 11 is a plan view of the blank from which
tom the same is provided with a sealing flap
the cover is constructed.
35 25 which is adapted to be folded relative to the
Although this invention may be embodied in
respective part of the bottom along a line repre_
various forms of folding boxes having side walls
sented by said edge I3, and at the outer inner
composed of a plurality of panels it is best suited
corner of this sealing flap the same is provided
for a box which has more than four panels or
side walls and in the drawings this invention is 40 with a rectangular retaining lip 26 which pro
jects outwardly therefrom and is arranged in the
shown in connection with a box having its side
same plane.
walls composed of six panels, but the same is
Adjacent to each inclined edge M of the bottom
equally applicable to a box having eight panels
the
same is provided with a sealing ‘flap 32 which
in its side walls or a larger number of like mul
tiples. The ‘body or container of the box in the 45 is adapted to be folded relative to the respective
part of the bottom along a line represented. by
examle shown in Figs. 1-7, comprises a main
said edge M.
central panel or bottom I0 which is of hexagonal
At opposite ends of the side wall panel it are
form in outline and provided with two longi
arranged two panels 21, 2? which form parts of
tudinal parallel edges II, I2 and two pairs of
transversely inclined edges I3, I4, the members 50 the opposite transverse ends of the body of the
box and each of which, together with one of the
of each pair converging outwardly from the
companion end wall panels ll. forms a complete
longitudinal edges II, I2, respectively, and meet
wall for one transverse end of the box body.
ing on a longitudinal line arranged midway or
Each
of these end wall panels 21 is connected
centrally between the longitudinal side edges
at its inner edge with the outer edge of the re
II, I2, as shownin Fig. 7.
55 spective end of the longitudinal panel I6 along
2,405,564
3
a line 28 on which this end wall panel is bent
relative to the respective side panel I6 when
erecting the box.
-
Adjacent to its outer edge each of the end
wall panels 21 is provided with a vertical lock
ing slit 29 and on the lower part of the outer
edge 3|] of this wall panel the same is provided
The preferred organization of the cover, as
shown in Figs. 8-11, is as follows:
The numeral 33 represents the main central
panel or top of the cover which is of hexagonal
form in outline and provided with two parallel
side edges 34, 35 and a pair of inclined edges 36,
31 arranged at each of the transverse ends of the
top
panel 33 and diverging outwardly.
with a rectangular recess 3 I:
Along opposite longitudinal sides of the central
When erecting the body or container from the
panel are arranged two longitudinal wall panels
blank shown in Fig. '7 the sealing flaps 25 and 32
38, 39 which are connected, respectively, at their
are preferably ?rst bent upwardly on the lines
inner edges with the opposite longitudinal edges
l3, M. The two longitudinal side panels l5, iii
34, 35 of the central panel 33 and are adapted to
are then bent upwardly on the lines II, l2 so
be bent along these lines into a perpendicular
that they stand vertically relative to the hori
position
relative to the central panel.
15
zontal bottom It. The transverse end panels 21
The numeral 40 represents two end wall panels
are then bent inwardly along the lines 28 rela
arranged at opposite ends of the side wall panel
tive to the longitudinal side panel 16 and en
38 and connected therewith at their inner edges
gaged with the outer sides, respectively, of the
with the corresponding ends of this side panel
sealing flaps 32 and the retaining notch‘ 3! of
each of the end wall panels 21 is engaged with
the rectangular retaining lip 26 on the sealing
?ap 25. The end Wall panels H of the Side Wall
panel [5 are now bent inwardly along the lines
18 and engaged with the outer side of the sealing
?aps 25.’ Then the coupling ?aps 20 are bent
inwardly along the lines l9 and engaged with the
outer side of the end wall panels 21 and the
locking tabs 22 are passed from the outer side
of the end wall panels 21 inwardly through the
vertical locking slits 29 thereof so that looking
hooks 23 of these tabs are on the inner sides of
the panels 21. Thereafter the locking hooks 23
are bent inwardly along the lines 24 so as to
cross respective edges of the slits 29 and be
come interlocked therewith, as shown in Figs. 1,
2 and 3, thereby completing the erection of the
box body.
By making the locking tab 22 of outwardly or
along transverse lines 4! on which these end wall
panels are bent inwardly relative to this side
panel when erecting the cover. Each of these
end wall panels 40 is equal in length to the adja
cent inclined transverse edge 35 of the central
panel and is provided with a locking slit 42
which is of substantially keystone shape.
,
At opposite ends of the side wall panel 39 two
end wall panels 43 are arranged and each of the
latter being connected at its inner end with the
respective end of the side wall panel 33 along a
transverse line 44 on which this end wall panel
is adapted to be bent inwardly when erecting the
cover. Each of these end wall panels 43 is equal
in length to the length of the adjacent inclined
edge 31 on the corresponding end of the central
panel 33. At its outer end each end wall panel
43 is provided with a coupling ?ap 45 which is
‘ connected at its inner end with the respective
end wall panel 43 along a line 46 on which it is
forwardly tapering form the small or narrow end
of the same can be easily and conveniently intro 40 bent inwardly relative to this end wall panel
when erecting the cover. At its outer end each
duced into the slit 29 for starting its movement
coupling flap 45 is provided with a locking hook
therein and thereafter this locking tab can be
41 which is adapted to pass through the slit 32
drawn fully into this slit until the wide part of
of the end wall panel 40 on the corresponding
this tab is closed to the opposite ends of the slit,
thereby causing the respective pair of end wall '-‘- end of the central wall panel for holding the
cover in an erected position.
panels to be alined with each other and then
Along each of the inclined edges 36, 31 of the
central panel 33 is arranged a sealing flap 48
which is connected with the. adjacent part of
side of the latter. By these means the box can 150 the central panel and adapted to be bent in
wardly toward the latter and into a perpendic
be erected rapidly and economically and rendered
held reliably against separation by turning the
locking lip 23 at an angle to the slitted end wall
panel 21 and into engagement with the inner
strong and durable.
.
When thus assembled these several members
of the body are reliably interlocked and securely
held in place so that the body is comparatively
rigid and forms a reliable and durable protection
for the goods which are placed therein.
Moreover, by interlocking the transverse panel
ular position relative thereto along the edges 35,
31 when erecting the cover.
During the operation of erecting the cover,
'_ from the blank shown in Fig. 11 to the form
' shown in Figs. 8, 9 and 10, the sealing flaps 48 and
side wall panels 38, 39 are turned inwardly into
a position at right angles to the central panel 33.
After this the end wall panels 30 and 33 are
21 with the sealing panel 25 at each end of the
box by means of the interengaging rectangular .60 turned inwardly at an angle and engaged with
the outer sides of the sealing ?aps 48, and then
lip 25 and recess or notch 3|, the end transverse '
the coupling tabs 45 are turned inwardly into en
panels of the box are held against moving ver
gagement with the outer side of the end wall
tically relative to the bottom in and thus main
tain the body as a whole rigidly in shape and
panels 43 and the locking hooks 41 are passed
preventing the same from weaving or becoming
through the slits 42 from the outer side of the
distorted. The sealing flaps 25, 32 reliably close
end wall panels 43 and interlocked with the
the joints between the bottom and the end panels
latter, as shown in Figs. 8, 9 and 10.
I‘! and 21 and prevent leakage of the contents.
It will be noted that the construction of the
In general the cover or closure of the box is
substantially like the body or container but of
slightly larger dimensions circumferentially so
that this cover which is the reverse of the body
can he slipped over the upper end of the latter
in the usual manner of closing a container hav
ing ?xed members.
cover and the manner of erecting the same are
substantially the same as that of the body or
container of the box with the exception that in
the cover the beak of the locking hooks 41 is not
turned inwardly relative to the shank of these
-~ hooks, and no interengaging retaining means are
5
2,405,564
employed similar to the lips 36 and recesses or
notches 3| shown in Figs. 1-7.
I claim as my invention:
A folding box comprising a central panel hav
ing longitudinal edges on its opposite sides and
transverse edges at its opposite tranverse ends,
vertical side walls connected with the opposite
longitudinal edges of the central panel and each
having vertical ends, vertical end Walls each of
which includes a pair of end wall panels having
6
‘ wall panel and overlapping the outer side of the
companion slitted end wall panel, a, locking tab
arranged on the inner edge of the coupling ?ap
and projecting inwardly through said slit from
the outer side of the respective end wall panel to
the inner side of the same, and a locking lip con
nected with the inner end of the locking tab and
ent at an angle relative thereto on a line at
right angles With the vertical ends at the corners
‘ between the side walls and end walls of the box
outer vertical ends connected with corresponding‘
and having an outwardly facing locking edge
vertical ends of the side Walls to form a corner
which crosses the inwardly facing edge of said
or the box, and means for connecting the oppos
slit, said locking edge having the form of a hook
ing inner ends of the panels of each end wall
which overhangs the inner side of the slitted end
comprising a vertical slit formed in the inner‘ 15 wall panel and prevents said locking tab from
part of one of said end wall panels, a coupling
being pulled outwardly through said slit.
flap arranged on the inner edge of the other end
GUY J. EVANS.
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