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Патент USA US3042294

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July 3, 1962
K. 'r. BUTTERY ET AL
3,042,284
CARTON
Filed Feb. 29, 1960
2 Sheets-Sheet 1
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I
July 3, 1962
K. T. BUTTERY ET AL
,
3,042,284
CARTON
Filed Feb. 29, 1960
2 Sheets-Sheet 2
,47' ORA/EX
United States Patent 0 ” ICC?
1
3,042,284
CARTON
Kenneth T. Buttery and Curtis D. Rice, Kalamazoo,
Mich., assignors to KVP Sutherland Paper Company,
Kalamazoo, Mich.
Filed Feb. 29, 1960, Ser. No. 11,906
2 Claims. (Cl. 229-—51)
This invention relates to a carton provided with an in
3,042,284
Patented July 3, 1962
2
front wall 13 of the cover has spaced inner wall mem
bers 17 folded inwardly thereon and adhesively secured
thereto in overlapping retaining relation to the corner
?aps 15. The front wall is provided with a sealing ?ap
18 disposed between the inner wall member 17 and fold
able on and adhesively secured to the underside of the
bottom when the receptacle is ?lled and closed. This
sealing flap is connected to the front wall of the cover
by the weakened fracturing zone 19, so that While it serves
tegral cover. The main objects of this invention are,
10 to retain the cover in closed position, the cover may be
First, to provide a carton which is well adapted for
readily released.
To facilitate this break-out, a ?nger‘
the packaging of a relatively heavy material such, for
piece 20 is formed by the curved fracturing line 21 in
example, as bacon.
the front wall, so that the sealing ?ap may be easily frac
Second, to provide a carton which may be formed of
tured to permit opening of the carton, see FIG. 6. With
relatively light stock and at the same time is rigid when 15 this arrangement of parts, the sealed container may be
closed and capable of withstanding heavy stresses such,
very quickly opened. The walls of the cover are of the
for example, as might result from the stacking of a plu
same vertical width as the walls of the receptacle, so that
rality of loaded cartons.
the walls of both serve as effective supports for the cover
Third, to provide a carton which may be quickly sealed
so that load upon the receptacle such as occurs when a
after ?lling and quickly opened without the use of im 20 plurality of the receptacles ?lled with relatively heavy
plements.
material are stacked does not crush lower receptacles.
Fourth, to provide a carton having these advantages
The cover top wall is provided with a window opening
which may be very economically produced and shipped
22 with a transparent closure ‘23. With the parts thus
in the ?at blank form and readily set up.
arranged, the cartons may be very economically produced
Objects relating to details and economies of the in 25 and quickly assembled. The adhesive used is desirably
vention will appear from the description to follow. The
of the pressure sealing type so that the cartons may be
invention is de?ned and pointed out in the claims.
shipped in the blank and quickly set up at the point
A preferred embodiment of the invention is illustrated
of use.
in the accompanying drawing, in which:
We have illustrated and described our invention in a
FIG. 1 is a front perspective view of a carton embody~ 30 highly desirable embodiment thereof. We have not at
tempted to illustrate or describe other embodiments or
therein.
ing our invention, contents being conventionally illustrated
FIG. 2 is an enlarged transverse section on a line corre
sponding to line 2——2 of FIG. 1.
adaptations, as it is believed that this disclosure will en
able those skilled in the art to embody or adapt our
invention as may be desired.
FIG. 3 is a detailed section on a line corresponding 35
Having thus described the invention, what is claimed
to line 3—-3 of FIGS. 1 and 2.
as new and desired to secure by Letters Patent is:
FIG. 4 is ‘a fragmentary view on a line corresponding
1. A carton formed of an integral blank cut and scored
to line 4-4 of FIG. 1 showing the details of the connec
tion for the side and end walls of the receptacle and cover.
FIG. 5 is a fragmentary view in vertical section on a
line corresponding to line 5-—-5 of HG. 1.
FIG. 6 is a fragmentary perspective view illustrating
one step which may be taken in opening the carton.
FIG. 7 is a plan vview of the blank.
The embodiment of our invention illustrated is espe~
cially designed for the packaging of bacon in stacked
relation, which is conventionally illustrated at 1 in FIGS.
1 and 2.
The carton comprises a receptacle designated generally
by the numeral 2, and a cover designated generally by
the numeral 3. The receptacle comprises a bottom por
tion 4, the rear wall 5, end walls 6 and front wall 7.
The end walls are provided with corner flaps 8 which are
to provide a receptacle including a bottom, rear, front
and end walls, a cover hingedly connected to the rear wall
and including front and end walls of a width correspond
ing to the width of the front and end walls of the recep
tacle, the rear ends of the receptacle and cover end walls
being connected by inwardly foldable corner ?aps, the
receptacle end walls having corner ?aps on their front
ends disposed on the inner side of the receptacle front
wall, said receptacle front and end walls having inner
wall members on their outer edges folded inwardly there
on and adhesively secured thereto with their edges adja
cent the bottom and with the inner front wall member
overlapping and adhesively secured to the corner ?aps
on the front ends of said end walls, the cover end walls
having inner wall members on their outer edges folded
inwardly thereon and adhesively secured thereto with
disposed upon the inner sides of the front wall 7 in lap 55 their edges adjacent the top, the cover front wall having
ping relation thereto. The end and front walls_of the
spaced inner wall members on their outer edges eXtend~
receptacle have inner wall members 9 and 10 respectively,
ing from the ends thereof and folded inwardly thereon
which are folded inwardly thereon and adhesively secured
and adhesively secured thereto in overlapping relation to
thereto, preferably throughout the length thereof, the
said end wall front corner ?aps, said front wall having
front receptacle wall being in overlapping relation to the 60 a sealing flap between its spaced inner front wall’ mem
corner ?aps 8 and adhesively secured thereto.
bers fracturably connected thereto and positioned upon
The cover 3 includes the top 11, which is hingedly
and secured to the under side of the receptacle bottom
secured to the upper edge of the rear wall 5 of the recep
when the receptacle is sealed, said cover front wall having
tacle. The cover includes the end walls 12 and front
a fracturable portion above said sealing flap to facilitate
wall 13. The end walls of the cover are connected to the 65 the opening of the receptacle when sealed.
end walls of the receptacle by means of the collapsible
2. A carton formed of an integral blank cut and scored
corner ?ap 14. The end walls of the cover have corner
to provide a receptacle including a bottom, rear, front
?aps 15 on their front ends foldable inwardly upon the
and end walls, a cover hingedly connected to the rear wall
inner side of the cover front wall '13. The end walls
and including front and end walls of a width correspond
have inner Wall members 16 extending from end to end 70 ing to the width of the front and end walls of the recep~
thereof and folded inwardly thereon and desirably adhe
sively secured thereto throughout the length thereof. The
tacle, the adjacent ends of the receptacle end and front
walls being ?xedly connected, said receptacle ‘front and
8,042,284
3
end walls having inner wall members on their outer edges
folded inwardly thereon and ?xedly secured thereto and
constituting reinforcing members therefor, the adjacent
ends of the cover end and front walls being ?xedly con
nected, the cover end walls having inner end wall mem
bers on their outer edges folded inwardly thereon and
a fracturable portion above said sealing flap to facilitate
the opening of the receptacle.
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,814,816
Appelbaum ___________ __ July 14, 1931 7
?xedly secured thereto and constituting reinforcing mem
bers therefor, the cover front wall having spaced inner
1,857,270
Andrews ____________ __ May 10, 1932
wall members on its outer edges folded inwardly thereon
1,988,582
Weiss _________________ -Jan. 22, 1935
2,072,371
2,275,134
2,346,488
Kaplan ______________ .__ 'Mar. 2, 1937
Davidson ____________ __ ‘Mar. 3, 1942
958,474
498,627
France ______________ __ Sept. 12, ‘1949
Canada ______________ __ Dec. 22, ‘1953
and ?xedly secured thereto and constituting reinforcing 10
members therefor, the front wall having a sealing ?ap
between its said spaced inner front wall members 'frac
turably connected thereto and positioned upon and
secured to the under side of the receptacle when the
receptacle is sealed, the cover front wall portion having
Hoffmaster et al _______ __ Apr. 11, 1944
FOREIGN PATENTS
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