With the above and other objects in view that will
LANCED SCORED AND PUNCHED EASY hereinafter appear, the nature of the invention will be
OPENING PANEL ARRANGEMENTS more clearly understood by reference to the following
detailed description, the appended claims and the sev
This invention relates in general to new and useful 5 eral views illustrated in the accompanying drawings, improvements in container constructions, and more particularly to containers having an easy opening panel
arrangement. FIG. 1 is a schematic plan view of a container panel
It is conventional to provide easy opening containers having formed thereon a dispensing opening defining a
wherein either preformed openings are formed in a 10 removable panel portion and there being illustrated the
panel or a removable panel portion is defined by either bonds between the pull tape and various portions of the
a cut line or a score and wherein a pull tape overlies container panel, the outline of the pull tape having been
such openings or removable panel portions to effect the shown in phantom lines.
opening of the container by merely pulling on the tape. FIG. 2 is a schematic plan view similar to FIG. 1,
This invention relates to improvements in this type of 15 showing a modified form of removable panel portion
easy opening container, and bond arrangement.
First of all, it is proposed to form an easy opening FIG. 3 is another schematic plan view, showing a
container, particularly an end panel of an end unit, with further modified form of removable panel portion and
means for forming a dispensing opening wherein a re- bond arrangement.
movable panel portion is defined by a starting cut line 20 FIG. 4 is a schematic plan view similar to FIG. 1,
and one or more score lines extending from the opposite showing yet another modified form of removable panel
ends of the cut line. A pull tape overlies the end panel portion but wherein the removable panel portion has a
and has a portion thereof permanently bonded to the permanent connecting strap secured to the container
removable panel portion and a spaced portion perma- panel.
nently bonded to the end panel so that the removable 25 FIG. 5 is a schematic plan view of a modification of
panel portion remains attached to the end panel after the removable panel portion of FIG. 4, and shows also
the opening of the container. Further, the pull tape is a modified bond arrangement.
provided with a peelable bond with the end panel sur- FIG. 6 is a schematic plan view similar to FIG. 4, and
rounding the removable panel portion so as to maintain shows still another modified removable panel portion
a seal. ■ 30 arrangement and bond arrangement.
Preferably with the above easy opening construction FIG. 7 is a typical cross sectional view taken gener
the cut line defines the widest or at least a wider portion ally along the line 7—7 of FIG. 1.
of the resultant dispensing opening and is disposed adja- Referring now to the drawings in detail, reference is
cent the periphery of the end panel so as to facilitate first made to FIGS. 1 and 7 wherein there is illustrated
pouring of the product through the dispensing opening 35 a typical container panel, generally identified by the
with the inner end portion of the dispensing opening numeral 10. In the illustrated example, the container
functioning as a vent. panel 10 is an end panel of a container end unit generally
Another feature of the invention is the formation of identified by the numeral 11. In order to effect the dis
apertures at the opposite ends of the cut line so that pensing of the product within a container closed by the
there is no tendency for the initiation of the rupture of 40 end unit 11, it is desirable to provide means for the
the end panel along the score line or lines. formation of a dispensing opening without the use of
Another feature of the invention is the formation of any tools, such as openers and the like. Accordingly, a
the score line as a single continuous line of a generally desired opening configuration is defined by a combina
U-shaped configuration wherein the removable panel tion of cut and score lines.
portion may be completely separated from the con- 45 Most particularly, as is clearly illustrated in FIG. 1,
tainer panel except for the permanent connection be- the end panel 10 is provided with a cut line 12 which
tween the pull tape and the container panel. terminates at its opposite ends in small diameter through
In another form of the invention, in lieu of there being apertures 13. The desired configuration of the dispens
a single score line there are two score lines terminating ing opening is otherwise defined by a continuous, gener
in connecting strap defining portions whereby in addi- 50 ally U-shaped score line 14 which defines a line of
tion to the permanent bond between the pull tape and weakness along which the end panel 10 may be rup
the container panel retaining the removable panel por- tured under certain conditions. The score line 14 has
tion assembled with the container, the connecting strap adjacent each aperture 13 a longitudinally extending
also performs that function. portion 15 which terminates in a longitudinally and
It has been found that when the container panel is 55 transversely sloping portion 16 which, in turn, termiweakened by the formation of cut or score lines therein, nates in a longitudinally and transversely sloping porthere is a possibility of premature rupture due to the tion 17 which has a lesser transverse slope than the relatively high forces applied against the removable portion 16. The portions 17 are interconnected by an panel portion by the internal pressure within the con- arcuate portion 18. It is to be understood that the cut tainer. It has been found that this tendency of premature 60 line 12 together with the apertures 13 and the score line rupture may be greatly reduced and in most instances 14 define a removable panel portion 20 which may be eliminated by the simple formation of openings in the removed out of the plane of the end panel 10 in its removable panel portion so that the pressure affected entirety. The removable panel portion 20, when rearea of the removable panel portion is reduced with the moved from the end panel 10, defines a dispensing openpull tape serving to absorb a portion of the heretofore 65 ing 21.
pressure force applied against the removable panel por- With further reference to the cut and score lines 12, tion. The opening or openings may assume beneficial 14, it is to be noted that the cut line 12 extends transpatterns, versely of the generally longitudinal extent of the re