Multi wall container and package

Claim 2

An externally decorated container, comprising a. an inner shell integrally formed of a thermoplastic material and having a rim portion, a base portion and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said rim and base portions, and b. a double-ended paperboard shell which is decorated on its external surface and which surrounds the inner shell and has an interior surface that is adhesively secured to the exterior surface of the inner shell, said paperboard shell extending substantially the entire length of the exterior surface of the inner shell and being in reinforcing contact therewith for at least a major portion of its length so as to increase the structural rigidity of said side wall portion to buckling by a force applied in an direction therealong.

Claim 3

A container comprising a. an inner shell integrally formed of a thermoplastic material and including a rim portion defining the open end of said container, a base portion, and a surrounding sidewall portion extending upwardly and outwardly from said base portion and terminating in saiD rim portion, b. said wall portion being of sufficiently thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said base and rim portions, c. restraining means including an outer shell secured to and surrounding the exterior surface of said wall portion and extending substantially the entire length thereof, said outer shell being dimensioned to provide structural rigidity to said wall portion to substantially prevent buckling of said wall portion in response to said applied force, d. means retaining said outer shell in fixed relation relative to said wall portion to continuously provide said structural rigidity thereto, e. stacking means formed on said inner shell portion to permit a similarly constructed container to nest in vertical stacked relation without reliance on said outer shell for support, and f. a plurality of embossments spaced along said inner shell wall portion adjacent the base portion of said container, said embossments extending outwardly of said wall portion a distance at least equal to the material thickness of said outer shell so as to provide for retention of said outer shell by means of said embossments.

Claim 4

A container comprising a. an inner shell integrally formed of a thermoplastic material and including a rim portion defining the open end of said container, a base portion, and a surrounding sidewall portion extending upwardly and outwardly from said base portion and terminating in saiD rim portion, b. said wall portion being of sufficiently thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said base and rim portions, c. restraining means including an outer shell secured to and surrounding the exterior surface of said wall portion and extending substantially the entire length thereof, said outer shell being dimensioned to provide structural rigidity to said wall portion to substantially prevent buckling of said wall portion in response to said applied force, d. means retaining said outer shell in fixed relation relative to said wall portion to continuously provide said structural rigidity thereto, e. stacking means formed on said inner shell portion to permit a similarly constructed container to nest in vertical stacked relation without reliance on said outer shell for support, and f. a plurality of embossments spaced along said inner shell wall portion adjacent the base portion of said container, said embossments extending outwardly of said wall portion a distance at least equal to the material thickness of said outer shell so as to provide for retention of said outer shell by means of said embossments.

Claim 5

A container as in claim 1, wherein said outer shell has a layer of blocking material thereon forming a barrier for the transmission of ultraviolet rays therethrough.

Claim 6

A container as in claim 1, wherein said inner shell has in its wall portion a plurality of alternate extending ribs terminating in spaced apart edges.

Claim 7

A container as in claim 4, wherein said outer shell has an inner surface in closely fitting relationship to said inner shell wall portion such that the inner surface is in engagement with said spaced apart edges.

Claim 8

A container, comprising a. an inner shell integrally formed of a thermoplastic material and having a rim portion, a base portion and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said rim and base portions, b. said rim portion including an outwardly extending top wall, and a downwardly extending end wall dimensioned to provide structural rigidity to said rim portion relative to the flexibility of said wall portion. c. said wall portion including a plurality of embossments spaced along the lower extremity thereof adjacent said base portion so as to provide structural rigidity to said base portion relative to the flexibility of said side wall portion, said embossments extending outwardly of said side wall a distance at least equal to the material thickness of said side wall portion, d. restraining means including an outer shell secured to and surrounding the exterior surface of said wall portion and extending substantially the entire length thereof so as to increase the structural rigidity of said side wall portion to buckling by a force applied in an axial direction therealong, said outer shell having an upper edge and a lower edge with an inner surface intimately engaging said side wall portion along its axial length, said upper edge extending beyond said rim portion such that said upper edge is not visible during normal use of the container, said lower edge terminating above said embossments, and said container being nestable with a similarly constructed container without reliance on said outer shell, e. retaining means including an adhesive layer interposed between said side wall portion and said outer shell retaining them in fixed axial relation to each other to continuously maintain said restraining means thereagainst, and, f. stacking means including a plurality of spaced lugs extending upwardly from the bottom of said inner shell portion to permit a similarly constructed container to nest in vertical stack relation therewith, said lugs having semi-cylinderical shAped vertical walls forming interruptions of said wall portion merging with said container bottom and having a substantially horizontal portion for receiving the bottom of an upper nested container.

Claim 9

A container, comprising a. an inner shell integrally formed of a thermoplastic material and having a rim portion, a base portion and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said rim and base portions, b. said rim portion including an outwardly extending top wall, and a downwardly extending end wall dimensioned to provide structural rigidity to said rim portion relative to the flexibility of said wall portion. c. said wall portion including a plurality of embossments spaced along the lower extremity thereof adjacent said base portion so as to provide structural rigidity to said base portion relative to the flexibility of said side wall portion, said embossments extending outwardly of said side wall a distance at least equal to the material thickness of said side wall portion, d. restraining means including an outer shell secured to and surrounding the exterior surface of said wall portion and extending substantially the entire length thereof so as to increase the structural rigidity of said side wall portion to buckling by a force applied in an axial direction therealong, said outer shell having an upper edge and a lower edge with an inner surface intimately engaging said side wall portion along its axial length, said upper edge extending beyond said rim portion such that said upper edge is not visible during normal use of the container, said lower edge terminating above said embossments, and said container being nestable with a similarly constructed container without reliance on said outer shell, e. retaining means including an adhesive layer interposed between said side wall portion and said outer shell retaining them in fixed axial relation to each other to continuously maintain said restraining means thereagainst, and, f. stacking means including a plurality of spaced lugs extending upwardly from the bottom of said inner shell portion to permit a similarly constructed container to nest in vertical stack relation therewith, said lugs having semi-cylinderical shAped vertical walls forming interruptions of said wall portion merging with said container bottom and having a substantially horizontal portion for receiving the bottom of an upper nested container.

Claim 10

A container package comprising a. an inner shell integrally formed of a thermoplastic material and including a rim portion defining the open end of said container, a base portion, and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, b. said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said base and rim portions, c. restraining means including an outer shell secured to and surrounding the exterior surface of said side wall portion and extending substantially the entire length thereof, said outer shell being dimensioned to provide structural rigidity to said wall portion to substantially prevent buckling of said wall portion in response to said applied force, d. means retaining said outer shell in fixed relation relative to said side wall portion to continuously provide said strucutral rigidity thereto, e. closure means adapted to close said open end of said container, and f. means for interlocking said closure means with said container including a plurality of depressions on said side wall portions and adjacent the rim of said inner shell, and a plurality of outwardly extending mating beads on said closure means and adapted to frictionally engage said depressions.

Claim 11

A container package comprising a. an inner shell integrally formed of a thermoplastic material and including a rim portion defining the open end of said container, a base portion, and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, b. said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said base and rim portions, c. restraining means including an outer shell secured to and surrounding the exterior surface of said side wall portion and extending substantially the entire length thereof, said outer shell being dimensioned to provide structural rigidity to said wall portion to substantially prevent buckling of said wall portion in response to said applied force, d. means retaining said outer shell in fixed relation relative to said side wall portion to continuously provide said strucutral rigidity thereto, e. closure means adapted to close said open end of said container, and f. means for interlocking said closure means with said container including a plurality of depressions on said side wall portions and adjacent the rim of said inner shell, and a plurality of outwardly extending mating beads on said closure means and adapted to frictionally engage said depressions.

Claim 12

A package as in claim 7, wherein said depressions include an inclined portion substantially merging with said wall portion.

Claim 13

A package as in claim 8, wherein said closure means includes a substantially flat cover portion, a peripherally extending rim merging with the outer edge of said flat body, said rim including a substantially horizontal portion, and a downwardly extending outer wall, said rim containing said plurality of outwardly extending beads adapted to engage said depressions, said beads including an inclined portion, the relationship of said inclined portions of said respective beads and depressions providing the frictional interlocking relation therebetween.

Claim 14

A package as claimed in claim 9, wherein said rim includes an inner wall extending outwardly from said cover portion and angularly disposed thereto at an angle of said wall portion, the dimensional relationship of said inner wall and wall portion being such that an interference fit exists therebetween to provide a substantially air tight seal therebetween.

Claim 15

A container package comprising a. an inner shell integrally formed of a thermoplastic material and including a rim portion defining the open end of said container, a base portion, and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, b. said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said base and rim portions, c. restraining means including an outer shell secured to and surrounding the exterior surface of said side wall portion and extending substantially the entire length thereof, said outer shell being dimensioned to provide structural rigidity to said wall portion to substantially prevent buckling of said wall portion in response to said applied force, d. means retaining said outer shell in fixed relation relative to said side wall portion to continuously provide said structural rigidity thereto, e. closure means adapted to close said open end of said container, f. locking bead means for interlocking said closure means with said container so as to provide a sealing engagement there between, and g. removal means including a tab extending from said closure and adapted to be manually gripped by the user of said package to facilitate the removal of Said closure from said container.

Claim 16

A container package comprising a. an inner shell integrally formed of a thermoplastic material and including a rim portion defining the open end of said container, a base portion, and a surrounding side wall portion extending upwardly and outwardly from said base portion and terminating in said rim portion, b. said wall portion being of substantially thin and flexible construction so as to normally have a tendency to buckle in response to a force applied to one of said base and rim portions, c. restraining means including an outer shell secured to and surrounding the exterior surface of said side wall portion and extending substantially the entire length thereof, said outer shell being dimensioned to provide structural rigidity to said wall portion to substantially prevent buckling of said wall portion in response to said applied force, d. means retaining said outer shell in fixed relation relative to said side wall portion to continuously provide said structural rigidity thereto, e. closure means adapted to close said open end of said container, f. locking bead means for interlocking said closure means with said container so as to provide a sealing engagement there between, and g. removal means including a tab extending from said closure and adapted to be manually gripped by the user of said package to facilitate the removal of Said closure from said container.

Claim 17

A package as in claim 11, wherein said tab is adjacent one of said locking beads, and said locking bead adjacent said tab having a lesser degree of frictional interference than the remaining locking beads to facilitate the removal of said closure by means of said tab.

Claim 18

A package as in claim 11, wherein said removal means further includes a complimentary tab extending from said container in overlapping relationship with said closure tab.

Claim 19

A package as in claim 13, and further including means for joining said tabs together to provide a tamperproof package.