close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3040970

код для вставки
_ June 26, 1962
3,040,963
C. H, TURPIN
PACKAGE
Filed Aug. 8, 1961
/20b
2 Sheets-Sheet 1
20a
4
26
I6‘
200-
I80
l
20d
26
I, ~ '
FIG /
INVENTOW.
' har/es H. 721mm
ATTORNEY
June 261,. 1962‘
c. H. TURPIN
3,040,963
PACKAGE
Filed Aug. 8, 1961‘.
2 Sheets—Sheet 2
INVENTOR
Char/es H. 721/,0/‘0
BY
ATTORNEY
3
understood by those skilled in the art that I do not wish
to be limited exactly thereto, since various modi?cations
may be made without departing from the scope of the in
vention as de?ned in the appended claims.
face of the narrow end wall 4 of the blank is over~
lapped by the glue flap 5. Prior to sealing of glue flap
5 to end wall 4, the longitudinal raw edge of the glue
flap 5 is sealed in a suitable manner, such as by applying
a sealing material such as wax, poly vinylidene chloride,
or other suitable sealing materials; or the raw edge may
I claim:
1. A package comprising a rectangular container body
formed of a rear wall, a front wall, and two end walls,
a ?ap hinged to each of said rear and front walls, a fore
shortened tab hinged to each of said end walls, one of
be sealed simply by folding it over such that the edge is
not exposed to the interior of the package. Thus, wickage
through the porous raw edge of what is known as the
10 said ?aps being of substantially the same overall dimen
“manufacturers joint” is prevented.
sions as the horizontal cross-sectional area as the con
To insure against grease wickage at the joint formed
by the two end raw edges of the glue flap 5, and closed
?ap 12, the end raw edges of the glue flap 5 are cut at
right-angles to the longitudinal raw edge thereof. Thus,
when a flap 12 is in closed position, its cooperating rec
tainer, the other flap being approximately the same size
and shape as, but slightly smaller than, the area of the
open end of said container body, a rectangular sealing
sheet of thin and ?exible material secured to the inner
surface of said smaller ?ap, the inner edge of said rec
tangular sealing sheet 20 positively engages and entirely
After the carton has been appropriately ?lled, the rear
wall ?ap 12 is folded downwardly into position. In so 20
tangular sealing sheet being disposed to extend inwardly
beyond the inner and hinged edge of its carrying ?ap,
the other edges of said rectangular sealing- sheet project
ing beyond the corresponding edges of the carrying ?ap
doing, the projecting edge strips 20a, 20b and 20c of
for a su?icient distance to insure that the closing of said
the rectangular sheet of thin and ?exible material 20
are forced upwardly by contact with the adjacent por
tions of the inner surfaces of the carton and, of course,
carrying ?ap will result in the formation of upturned edges
of said rectangular sealing sheet along all of its projecting
covers the two end raw edges of the glue flap 5, thereby
preventing grease wiokage through said edges.
areas except its aforementioned inner edge, said fore
with the ?ber tufts 18a which are formed at the “tear
corners” due to the foreshortening, as at 18, of the cuts
shortened tabs being adapted to overlie said carrying flaps,
the other and larger of said two aforementioned ?aps being
which separate the various ?aps and tabs. The fourth
and inner projecting edge strip 20d will fold upon itself
and, along with the remainder of the rectangular seal
ing sheet 20, underlie the flap 12. The teachings of the
present invention also contemplate the adhering of the two
adapted to overlie said foreshortened tabs.
2. A package comprising a rectangular container body
formed of a rear wall, a ‘front wall, and two end walls,
a flap hinged to each of said rear and front walls, a fore
shortened tab hinged to each of said end walls, one of
said ?aps being of substantially the same overall dimen
corners of the inner projecting edge strip 20d to the ad
jacent corners of the foreshortened tabs 14.
sions as the horizontal cross-sectional area as the con
tainer, the other ?ap being approximately the same size
and shape as, but slightly smaller than, the area of the
open end of said container body, a rectangular sealing
In the sealing of the end closure of the package, the
foreshortened tabs 14 of the end walls 2 and 4 are folded
downwardly onto the upper (and outer) surface of the rear
sheet of thin and ?exible material secured to the inner
surface of said smaller ?ap, the inner edge of said rec
wall ?ap 12, thus forcing the projecting edge strips Ztia
and 200 to fold downwardly onto the latter.
With the
tangular sealing sheet being disposed to extend inwardly
beyond the inner and hinged edge of its carrying ?ap,
the other edges of said rectangular sealing sheet project
ing beyond the corresponding edges of the carrying ?ap
foreshortened tabs 14 in downwardly folded position,
their adhesive strips 25 and 26 (now extending cross
wise of the carton) become effective to hold in position
the rear wall ?ap 12 and the rectangular sheet of thin
and ?exible material which it carries.
Then, the front wall ?ap 16 is folded downwardly onto
the previously folded elements, thus providing total edge
for a sufficient distance to insure that the closing of said
45
carrying ?ap will result in the formation of upturned edges
of said rectangular sealing sheet along all of its projecting
areas except its aforementioned inner edge, said fore
contact with the right-angular corners of the glue ?ap 5
and again scaling up the raw edge of a lap joint. In such
position, its inner and outer adhesive strips 25 and 26,
respectively, come into coextensive contact with the im
shortened tabs being adapted to overlie said carrying ?aps,
the other and larger of said two aforementioned ‘flaps being
adapted to overlie said foreshortened tabs, and adhesive
mediately underlying portions of the package. It will also
areas on the inner surface of said larger flap and the inner
surfaces of both of said foreshortened tabs.
be observed that the undercutting or pro?ling of the
3. A package comprising a rectangular container body
outer side edges 14a of the foreshortened end wall tabs 14
formed of a rear wall, a front wall, ‘and two end walls,
enables the intermediate adhesive strip 27 to make di
a flap hinged to each of said rear and front walls, a fore
rect contact throughout its length with the mid-section
of the rear wall flap 12, except for the portions of the 55 shortened tab hinged to each of said end walls, one of
said ?aps being of substantially the same overall dimen
folded edge strips 20a and 20b which overlie the said ?ap.
sions as the horizontal cross-sectional area as the con
Pressure is applied in conventional manner to complete
tainer, the other ?ap being approximately the same size
the seal.
and shape as, but slightly smaller than, the area of the
It will be understood that, as in the case of my co
pending patent application Serial No. 851,183, the gluing 60 open end of said container body, and a rectangular seal
ing sheet of thin and ?exible material secured to the inner
pattern disclosed herein is illustrative only.
surface of said smaller flap, the adjacent edges of adjacent
When the various ?aps and tabs are folded in the se
flaps and tabs at each of the corner junctions being torn
quence described, the overlapping edges 20a, 29b and 200
edges located directly adjacent such corner junction and
of the sheet 2&) become ?rmly adhered to those portions
of the carton with which they come in contact. Like 65 providing a tuft of free ?brous strands directly at each of
said corner junctions, the inner edge of said rectangular
Wise, the ends or corners of the inner overlapping edge
sealing sheet being disposed to extend inwardly beyond
or strip 20d.
the inner and hinged edge of its carrying ?ap, the other
It is preferable that both ends of the package of the
present invention embody the elements described herein 70 edges of said rectangular sealing sheet projecting beyond
the corresponding edges of the carrying ?ap for a sul?
and claimed hereinafter. However, it is contemplated
that, under certain conditions, one of the ends of the pack
age maybe closed by other effective means.
While I have shown and described certain speci?c em
bodiments of the present invention, it will be readily 75
cient distance to insure that the closing of said carrying
?ap will result in the formation of upturned edges of said
rectangular sealing sheet along all of its projecting areas
except its ‘aforementioned inner edge, said foreshortened
5
3,040,963
tabs being adapted to overlie said carrying flap, the other
and larger of said two aforementioned ?aps being adapted
to overlie said foreshortened tabs.
4. A package comprising a rectangular container body
formed of a rear wall, a front Wall, and two end walls, a
flap hinged to each of said rear and front walls, a fore
6
areas on the inner surface of said larger flap and the inner
surfaces of both of said foreshortened tabs.
5. A package comprising a rectangular container body
formed of a rear wall, a front Wall, and two end Walls,
an overlapping manufacturers joint in one of said walls,
a flap hinged to each of said rear and front walls, a ‘fore
shortened tab hinged to each of said end walls, one of
said flaps being of substantially the same overall dimen
shortened tab hinged to each of said end walls, one of
said flaps being of substantially the same overall dimen
sions as the horizontal cross-sectional area as the con
sions as the horizontal cross-sectional area as the con
tainer, the other ?ap being approximately the same size 10 tainer, the other flap being approximately the same size
and shape as, but slightly smaller than, the area of the
and shape as, but slightly smaller than, the area of the
open end of said container body, a rectangular sealing
sheet of thin and flexible material secured to the inner sur
open end of said container body, a rectangular sealing
sheet of thin and ?exible material secured to the inner
surface of said smaller ?ap, the inner edge of said rec
face of said last-mentioned flap, the adjacent edges of ad
jacent ?aps and tabs at each of the corner junctions being 15 tangular sealing Sheet being disposed to extend inwardly
torn edges located directly adjacent such corner junction
beyond the inner and hinged edge of its carrying ?ap, the
and providing a tuft of free ?brous strands directly at each
other edges of said rectangular sealing sheet projecting be
of said corner junctions, the inner edge of said rectangu
yond the corresponding edges of the carrying ?ap for a
lar sealing sheet being disposed to extend inwardly beyond
sul?cient distance to insure that the closing of said carry
the inner and hinged edge of its carrying ?ap, the other
ing ?ap will result in the formation of upturned edges of
edges of said rectangular sealing sheet projecting beyond
said rectangular sealing sheet along all of its projecting
the corresponding edges of the carrying ?ap for a suffi
areas except its aforementioned inner edge, said fore—
cient ‘distance to insure that the closing of said last—narned
shortened tabs being adapted to overlie said carrying flap,
?ap will result in the formation of upturned edges of said
the other and larger of said two aforementioned ?aps be
rectangular sealing sheet along all of its projecting areas 25 ing adapted to overlie said foreshortened tabs.
except its aforementioned inner edge, said foreshortened
References Cited in the file of this patent
tabs being adapted to overlie said last-mentioned ?ap, the
other and larger of said two aforementioned ?aps being
UNITED STATES PATENTS
adapted to overlie said foreshortened ?aps, and adhesive
2,496,043
Farrel _______________ __ Jan. 31, 1950
Документ
Категория
Без категории
Просмотров
0
Размер файла
534 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа