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Патент USA US2130602

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Sept. 20, 1938;
R. E. SMlTH
2,130,602 ,
DOUBLE WALLED BOX
Filed May 20, 1936
2 Sheets-Sheet l
,
INVENTOR.
f/b/iam’ Z’. 6/77/77?
WM ATTORNEYS
Sept. 20, 1938.
2,130,602
R. E. SMITH
DOUBLE WALLED BOX
Filed May 20, 1936
2 Sheets-Sheet 2
_
-
‘
INVENTOR.
lF/t/wf’d Z1. 6/77/7/7
B
MW
Patented Sept. 20, 1938
' greater
UNITED STATES PATENT OFFICE
2,130,602
‘ DOUBLE-WALLED BOX
Richard E. Smith, Kalamazoo, Mich, assignor to
Sutherland Paper Company, Kalamazoo, Mich.
Application May 20,
1936, Serial No. 80,724, I
13 Claims. '(Cl. 229-34)
are diagonally opposite so that a spacer member
The main objects of this invention are:
First, to provide a double-walled paper box or is provided at each end of the box.
receptacle formed of an integral blank scored for
The sidewall top spacer members 6 are pro
folding whichmay be shipped in the knockdown
vided with laterally disposed inwardly projecting
5 and readily set up for use.
Second, to provide a double-walled paper box
in which there is comparatively little waste in
forming the blank from a sheet of material.
Third, to provide a double-walled box in which
tongues l5 which lie in the plane of the parts
10 the inner and outer walls are securely held in
spaced relation and one which is quite rigid even
when made of relatively light stock.
.
Objects relating to details and economies of the
invention will appear from the description to
15 follow. The invention is de?ned and pointed out
[4 when the box is set up, see Fig. 3.
The inner side wall members 5 have longitu
dinally projecting tongues [6 at the ends thereof.
The inner side and end walls are shorter than
the corresponding outer walls by approximately 10
the width of the top spacer members.
The inner end walls 1 have out-turned bottom
spacer members I‘! on their outer edges, these _
being turned outwardly to prevent the outward
the invention is illustrated in the accompanying
collapsing of the inner end walls or to support 15
them in a substantially vertical position. The
inner end walls have tongues l8 adjacent their
upper edges, these tongues being turned outwardly
drawings, in which:
and engaged under thetongues l5 when the box '
in the claims.
A structure which is a preferred embodiment of
.
is set up. They are also provided with relatively
my invention and having a sliding ‘or telescoping’ short tongues or lugs [9 which snap behind or’
engage the end edges of the inner side walls below
cover partially open.
Fig. 2 is an enlarged transverse section on line their tongues l6. In erected position, the inner
end walls and their outwardly disposed spacer
2-2 of Fig. 1.
n
members I‘! are disposed behind the end edges of
Fig. 3 is a fragmentary perspective view show
.25
?aps 9, the said end edges abutting the walls and
ing the box partially set up or erected and illus
serving as cleats to resist displacement of the end
trating steps in setting up or erecting the box.
'
Fig. 4 is a detail section on line 4—4 of Fig. 2. ‘walls.
To facilitate folding the upper edges of the
Fig. 5 is a fragmentary perspective view illus
30 trating another step in the setting up of the box. tongues l8 are beveled at 20 so that suitable clear 30
Fig. 6 is an enlarged horizontal view on line‘ ance is provided, permitting their engagement
20
Fig. 1 is a perspective view of a box embodying
6-6 of Fig. 2.
‘
under the tongues I6.
Reference being had to the drawings, my im
35 proved box is preferably formed of an integral
blank illustrated in Fig. 7 and comprising a
bottom I, outer side walls 2, 2, and outer end
walls 3, 3, joined to or extending from the side
and end edges of the bottom. The blank is var
40 iously scored as indicated by dotted. lines 4 to
facilitate folding.
'
v
_
Preferably, V-shaped notches 2| are formed in
Fig. '7 is a plan view of the blank.
I
The outer side walls 2 have inner side wall ex
tensions 5, 5, joined thereto by the top spacer
members 6, 6,~While the outer end walls 3, 3 have
45 inner end walls ‘I, ‘I joined thereto by the top
spacer members 8, 8.
The inner side walls 5 have sealing ?aps 9, 9
on their longitudinal edges which are provided
with adhesive and lapped upon and secured to the
bottom as clearly shown in the drawings. The
outer side walls have end ?ap extensions‘ l0 and
H notched at l2 and I3 so that they may be set
up and interlocked as clearly shown in Fig.‘ 5.
The end flaps l0 have inturned top spacer mem
55 bers M. It will be noted that the end ?aps I0
the top spacer members l6 and the adjacent por
tion of the inner end walls, the apexes of these 35
notches being in the folding line joining the inner
end walls 1 to the top spacer members 8. - ,,
It will be noted that there is relatively little
waste when the blank is cut or died out from the
sheet or web.
The box may be shipped in the knockdown
with the securing ?aps 9 glued and readily set up
by the user, the parts other than these inner side
wall securing flaps being interlocking. The box
may be formed of comparativelylight material
and when set up is very secure and rigid.
In the embodiment illustrated, I provide a
telescoping cover 22 having window openings 23
provided with a transparent window 24. It is ob
vious that other types of‘ covers may be employed. 50
I have illustrated and described my improve
ments in a very practical embodiment thereof. '
I have not attempted to illustrate or describe cer
tain modi?cations or adaptations which I con
template as it is believed that this disclosure will 55
2
2,180,602
enable those skilled in the art to embody or adapt
my improvements as may be desired.
,
Having thus described my invention, what I
claim as new and desire to secure by Letters Pat
ent, is:
1. A double-walled box formed of an-integral
scored blank comprising a bottom, outer side and
end walls extending from the side and end edges
of the bottom, the outer side and end walls having
10 inner side and end walls joined to the top edges
thereof by ,top spacer members, the inner side and
end walls being shorter than the corresponding
outer walls by approximately the width of said
top spacer members, the inner side walls being
15 provided with sealing flaps on their longitudinal
edges secured to the bottom, the inner end walls
ly projecting tongues on said side top spacer
members, and longitudinally disposed tongues at
the ends‘ithereof engaged with the end edges of
the inner side walls.
4. A double-walled box formed of an integral
scored blank comprising a bottom, outer side
and end walls extending from the side and end
edges of the bottom, the outer side and end walls
having inner side and end walls joined to the
top edges thereof by top spacer members, the
inner side walls being provided with securing
?aps on their longitudinal edges securedto the
bottom, the inner end walls terminating in out
turned bottom spacer members, the outer side
walls having interlocking end ,?aps at the ends 15
thereof disposed on the inner sides of the outer
terminating in out-turned bottom spacer mem
end walls,'the inner side walls having longitu
bers, the outer side walls having interlocking end
?aps at the ends thereof disposed on the ‘inner
end walls having longitudinally disposed tongues
20 sides of the outer end walls, the diagonally oppo
site end flaps having spacer members on the top
edges thereof, the inner side walls having cen
trally disposed longitudinal tongues at the ends
thereof and the side top spacer members having
25 laterally projecting tongues at their ends lying in
the planes of the top spacer members on said end
flaps, the inner end walls having outwardly dis
posed tongues at the ends thereof interlocking
below said inwardly projecting tongues on said
30 side top spacer members and longitudinally dis
posed tongues at the ends thereof engaged with
the end edges of the inner side walls below the
said longitudinally projecting tongues thereof.
2. A double-walled box formed of an integral
35 scored blank comprising a bottom, outer side and
end walls extending from the side and end edges
of the bottom, the outer side and end walls hav
ing inner side and end walls joined to the top
edges thereof by top spacer members, the inner
40 side and end walls being shorter than the corre
sponding outer walls by approximately the width
of said top spacer members, the inner side walls
being provided with sealing ?aps on their lon
gitudinal edges secured to the bottom, the inner
45 end walls terminating in out-turned bottom
spacer members, the outer side walls having in
terlocking end flaps at the ends thereof disposed
on the inner sides of the outer end walls, the
inner side walls having longitudinal tongues at
50. the ends thereof and the side top spacer members
- having laterally projecting tongues at their ends,
the inner end walls having outwardly disposed
tongues at the ends thereof interlocking below
‘said inwardly projecting tongues on said top
spacer members and longitudinally disposed
tongues at the ends thereof engaged with the
end edges of the inner side walls below the said
longitudinally projecting tongues thereof.
3. A double-walled box formed of an integral
60
scored blank comprising a bottom, outer side and
end walls extending from the side and end edges
of the bottom, the outer side and end. walls hav
ing inner side and end walls joined to the top
edges thereof by top spacer members, the inner
dinal tongues at the ends thereof, the inner
at the ends thereof engaged with the end edges 20
of the inner side walls below the said longitu
dinally projecting tongues thereof.
5. A double-walled box comprising a bottom,
outer side and end walls extending from the side
and end edges of the bottom, the outer side and 25
end walls having inner side and end walls joined
to the top edges thereof by top spacer members,
the inner side walls being provided with securing
?aps on their longitudinal edges secured to the
bottom, the inner end walls terminating in out 30
turned bottom spacer members, the outer side
walls having interlocking end ?aps at the ends
thereof disposed on the inner sides of the outer
end walls, the side top spacer members having
laterally projecting tongues at their ends, the 35
inner end walls having outwardly disposed
tongues at the ends thereof interlocking below
said inwardly projecting tongues on said side
top spacer members and longitudinally disposed
tongues at the ends thereof engaged with the
end edges of the inner side walls.
6. A double-walled box comprising a bottom,
outer side and end walls extending from the side
and end edges of the bottom, the outer side and
end walls having inner side and end walls joined
to the top edges thereof by top spacer members,
the inner side walls being provided with securing
flaps on their longitudinal edges secured to the
bottom, the inner end walls terminating in out
turned bottom spacer members, the outer side
walls having interlocking end ?aps at the ends
thereof disposed on the‘ inner sides of the outer
end walls, the inner side walls having longitu
dinal tongues at the ends thereof, the inner end 55
walls having longitudinally disposed tongues at
the ends thereof engaged with the end edges of '
the inner side walls below the said longitudinally
projecting tongues thereof.
'7. A double-walled box comprising a bottom, 60
outer side and end walls extending from the side
and end edges of the bottom, the outer side and
end walls having inner side and end walls joined
to the respective top edges thereof by spacer
members, the inner end walls being of such width
65 side walls being provided with securing ?aps on
as to permit them to be swung between the inner
their longitudinal edges secured to the bottom,
side walls to erected position,’ the bottom edges
of the inner side walls being secured to the bot
tom, the outer side walls having interlocking end
flaps at the ends thereof disposed on the inner
sides of the outer end walls, the side spacer
the inner end walls ‘terminating in out-turned
bottom spacer members, the outer side walls
having interlocking end ?aps at the ends there
70 of disposed on the inner sides of the outer end
walls, the side top spacer members having lat
erally projecting tongues at their ends, the inner
end walls having outwardly disposed tongues at
75 the ends thereof interlocking below said inward
members having laterally projecting tongues at
their ends, the inner end walls having tongues
at the ends thereof interlocking below said
tongues on said top spacer members and other
2,130,602
3
other tongues on their ends engaged with the
end edges of the inner side walls.
11. A double-walled box comprising a bottom,
8. A double-walled box comprising a ‘bottom, .
outer side and end walls extending from the outer side and end walls extending from the side
side and end edges of the bottom, the outer side and end edges of the bottom, the outer side and
and end walls having inner side and end walls end walls having inner side andiend walls joined
joined to the top edges thereof by spacer mem-' to the top edges thereof by spacer members, the
bers, the inner end walls being of such width as inner side walls being provided with securing
to permit them to be swung between the inner ?aps on their longitudinal edges secured to the
side walls to erected position, the bottom edges bottom, the outer side walls having interlocking
end ?aps at the ends thereof disposed on the inner
of the inner side walls being secured to the bot
tom, the outer side walls having interlocking end sides of the outer end walls, the inner end walls
?aps at theends thereof disposed on the inner terminating in out-turned bottom spacer mem
bers, and having tongues on their ends engaged
sides of the outer end ?aps, the side spacer mem
bers having laterally projecting ‘tongues at the with the end edges of the inner side walls.
12. A double-walled box comprising a bottom,
ends thereof, the inner end walls having out
and outer side and end wallsextending from the
wardly disposed tongues at the ends thereof in
terlocking below said tongues on saidmtop spacer side and end edges of the bottom, the outer side
and end walls having inner side and end walls
members.
9. A double-walled box comprising a bottom, joined to the respective top edges thereof and
outer side ‘and end walls extending from the spaced therefrom in erected position of the box,
side and end edges of the bottom, the outer side the inner side walls having securing ?aps on their
and end walls having inner side and end walls longitudinal edges secured to the bottom, the
inner end walls having tongues on their ends en
joined to the top edges thereof by spacer mem
bers, the inner end walls being of such width as gaged with the end edges of the inner side walls
to permit them to be swung between the inner and having spacer members on the edges thereof
side walls to erected position, the bottom edges adjacent the bottom, said members being turned
outwardly and engaging said bottom between the
of the inner side walls being secured to the bot
tom, the outer side walls having interlocking inner and outer end walls, the inner end walls
end ?aps at the ends thereof disposed on the ‘abutting the end edges of said ?aps‘ in erected
inner sides of the outer end walls, the inner end position to resist displacement of said end walls.
13. A double-walled box comprising a bottom,
walls having tongues at the ends thereof en
gaged with the end edges of the inner side walls. ‘ and outer side and end walls extending from the
10. A double-walled box comprising a bottom, side and and edges of the bottom, the outer side
outer side and end walls extending from the side " and end walls having inner side and end walls
and end edges of the bottom, the outer side and joined to the respective top edges thereof and
end walls having inner side and end walls joined spaced therefrom in erected position of the box,
to the top edges thereof by spacer members, the the inner side walls having securing ?aps on their
inner side walls being provided with securing longitudinal edges secured to the bottom, the in
?aps on their longitudinal edges secured to the ner end walls having spacer members on the
bottom, the outer side walls having interlocking edges thereof adjacent the bottom, said spacer
end ?aps at the ends thereof disposed on the members lying between the inner and outer end
tongues on their ends engaged with the end edges
of the side walls.
10
15
'
20
25
35
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inner sides of the outer end walls, the side spacer ‘
members having laterally projecting tongues at
their ends, the inner end walls terminating in
out-turned bottom spacer members, and having
tongues» at the ends thereof interlocking below
said tongues on said top spacer members and
walls and maintaining the spacing thereof, the
inner end walls abutting the end edges of said
flaps in erected position to resist displacement
of said end walls.
RICHARD E. SMITH.
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