Injection-molded composite construct
View Patent ↗A frame is injection molded onto a group of panels to form a container. The panels extend at least partially around, and at least partially define, a cavity of the container.
1. A container, comprising:
a plurality of panels extending partially around an interior cavity of the container, wherein the plurality of panels includes first and second panels that together partially define an upright elongate corner of the container, an upright elongate gap is defined between at least a portion of an upright edge of the first panel and at least a portion of an upright edge of the second panel, and for each of the first and second panels
the panel includes a curved portion proximate to the gap,
an outward surface of the curved portion of the panel defines an outwardly projecting protrusion of the panel,
the outwardly projecting protrusion of the panel is elongate, proximate to the gap, and extends upwardly along both the gap and the corner, and
an inward surface of the curved portion of the panel defines a recess that is elongate and extends upwardly along both the gap and the corner; and
an injection-molded strip extending upwardly along and partially defining the corner of the container, wherein
the injection-molded strip covers the gap,
the injection-molded strip includes an upwardly extending inner face that partially defines the cavity of the container, the inner face being smoothly curved from the first panel to the second panel, wherein the inner face being smoothly curved from the first panel to the second panel comprises both
the inner face extending concavely from the first panel to the second panel, and
the inner face extending smoothly from the first panel to the second panel,
the injection-molded strip further includes an outwardly projecting first protrusion that is elongate, extends upwardly along both the corner and the gap, and extends outwardly into the recess of the curved portion of the first panel,
the injection-molded strip further includes an outwardly projecting second protrusion that is elongate, extends upwardly along both the corner and the gap, and extends outwardly into the recess of the curved portion of the second panel,
the injection-molded strip further includes a bead that extends into the gap and is positioned between the first and second protrusions of the injection-molded strip, and
for each of the first and second protrusions, the protrusion extends outwardly from the smoothly curved inner face of the injection-molded strip, so that the protrusion is thicker than an adjacent portion of the injection-molded strip.
2. The container according to claim 1 , wherein:
the plurality of panels includes a curved portion,
an outward surface of the curved portion of the plurality of panels defines an outwardly projecting protrusion of the plurality of panels,
an inward surface of the curved portion of the plurality of panels defines a recess, and
the injection-molded strip further includes an outwardly projecting third protrusion that extends into the recess of the curved portion of the plurality of panels.
3. The container according to claim 2 , wherein:
the outwardly projecting protrusion of the plurality of panels is an outwardly bulbous portion of the plurality of panels;
the recess of the plurality of panels is a substantially bowl-shaped recess;
the third protrusion of the injection-molded strip is an outwardly bulbous portion of the injection-molded strip that extends into the substantially bowl-shaped recess; and
the outwardly bulbous portion of the plurality of panels and the outwardly bulbous portion of the injection-molded strip are positioned at a lower end of the corner.
4. The container according to claim 3 , wherein the gap extends into the outwardly bulbous portion of the plurality of panels.
5. The container according to claim 3 , wherein:
at least one panel of the plurality of panels comprises microwave energy interactive material, paperboard and polymer film,
the microwave energy interactive material is positioned between the paperboard and the polymer film, and
at least a portion of the injection-molded strip is adhered to the polymer film.
6. The container according to claim 1 , wherein a bulbous portion is proximate an end of the corner.
7. The container according to claim 1 , wherein:
at least one panel of the plurality of panels comprises microwave energy interactive material, paperboard and polymer film,
the microwave energy interactive material is positioned between the paperboard and the polymer film, and
at least a portion of the injection-molded strip is adhered to the polymer film.
8. The container according to claim 1 , wherein the injection-molded strip is injection-molded onto both the first panel and the second panel.
9. The container according to claim 1 , wherein:
the plurality of panels includes a curved portion;
an outward surface of the curved portion of the plurality of panels defines an outwardly bulbous portion of the plurality of panels;
an inward surface of the curved portion of the plurality of panels defines a substantially bowl-shaped recess;
the injection-molded strip further includes an outwardly bulbous portion that extends into the substantially bowl-shaped recess;
the outwardly bulbous portion of the plurality of panels and the outwardly bulbous portion of the injection-molded strip are positioned at a lower end of the corner; and
the protrusion of the first panel and the first protrusion of the injection-molded strip respectively extend upwardly from the outwardly bulbous portion of the plurality of panels and the outwardly bulbous portion of the injection-molded strip.
10. The container according to claim 1 , wherein:
the protrusion of the first panel is convex;
the first protrusion of the injection-molded strip is convex; and
the recess of the first panel is concave.
11. The container according to claim 1 , wherein the curved portion of the first panel is not pleated.
12. The container according to claim 1 , wherein:
the corner includes an elongate centerline that extends along the corners' length; and
the centerline is spaced apart from each of
the protrusion of the first panel,
the first protrusion of the injection-molded strip, and
the recess of the first panel.
13. The container according to claim 1 , wherein:
the outwardly projecting protrusion of the first panel is press-formed by the outwardly projecting first protrusion of the injection-molded strip, and
the outwardly projecting protrusion of the second panel is press-formed by the outwardly projecting second protrusion of the injection-molded strip.
14. A container, comprising:
a plurality of panels that partially defines an interior cavity of the container, wherein the plurality of panels includes a first panel and a second panel that is proximate to the first panel and together with the first panel partially defines an upright corner of the container, and for each of the first and second panels
the panel includes a curved portion,
an outward surface of the curved portion of the panel defines an outwardly projecting protrusion of the panel,
the outwardly projecting protrusion of the panel is elongate and extends upwardly along the corner, and
an inward surface of the curved portion of the panel defines a recess that is elongate and extends upwardly along the corner; and
an injection-molded strip extending upwardly along and partially defining the corner of the container, wherein
the injection-molded strip includes an upwardly extending inner face that partially defines the cavity of the container, the inner face being smoothly curved from the first panel to the second panel, wherein the inner face being smoothly curved from the first panel to the second panel comprises both
the inner face extending concavely from the first panel to the second panel, and
the inner face extending smoothly from the first panel to the second panel,
the injection-molded strip further includes an outwardly projecting first protrusion that is elongate, extends upwardly along the corner, and extends outwardly into the recess of the curved portion of the first panel,
the injection-molded strip further includes an outwardly projecting second protrusion that is elongate, extends upwardly along the corner, and extends outwardly into the recess defined by the curved portion of the second panel, and
the corner includes an elongate centerline that extends along the corners' length, and the centerline is spaced apart from each of
the protrusion of the first panel,
the first protrusion of the injection-molded strip, and
the recess of the first panel, and
for each of the first and second protrusions, the protrusion extends outwardly from the smoothly curved inner face of the injection-molded strip, so that the protrusion is thicker than an adjacent portion of the injection-molded strip.
15. The container according to claim 14 , wherein:
a gap is defined between at least a portion of an edge of the first panel and at least a portion of an edge of the second panel;
the injection-molded strip includes an outwardly projecting third protrusion that is elongate, extends along the corner, and extends into the gap; and
the third protrusion of the injection-molded strip is positioned between the first and second protrusions of the injection-molded strip.
16. The container according to claim 14 , wherein:
the outwardly projecting protrusion of the first panel is press-formed by the outwardly projecting first protrusion of the injection-molded strip, and
the outwardly projecting protrusion of the second panel is press-formed by the outwardly projecting second protrusion of the injection-molded strip.
17. The container according to claim 14 , wherein:
the protrusion of the first panel is convex;
the first protrusion of the injection-molded strip is convex; and
the recess of the first panel is concave.