Closure with liner cutter
First Claim
Patent Images
1. A combination container and double shell closure with liner cutter, comprising:
- a container having a neck defining an opening and a liner positioned over said opening;
container lugs extending from a shoulder of said container;
a closure having a top wall and a peripheral edge;
an outer skirt depending downwardly from said peripheral edge of said top wall;
an inner skirt depending downwardly from said top wall having an outer surface and an inner surface, a thread helically extending along said inner surface of said inner skirt, and a plurality of strengthening ribs depending downwardly from said top wall along said outer surface of said inner skirt;
a deflection wall extending upwardly from said top wall;
a cutter extending from said top wall defining an axial cutter and a radial cutter formed of intersecting triangles wherein said axial triangle extends above said radial triangle.
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Abstract
A closure having a top wall and a skirt depending from a peripheral edge of said top wall. The closure includes an inner skirt depending from the top wall having at least one thread for helically attaching to a container neck. A deflection wall extends from the top wall having an inner diameter greater than a container neck. Extending from the top wall is a cutting device, defined by an axial cutter and a radial cutter for piercing a liner and cutting the liner about a circumference less than 360 degrees such that the liner is partially attached when the cutting process is completed.
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Citations
11 Claims
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1. A combination container and double shell closure with liner cutter, comprising:
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a container having a neck defining an opening and a liner positioned over said opening; container lugs extending from a shoulder of said container; a closure having a top wall and a peripheral edge; an outer skirt depending downwardly from said peripheral edge of said top wall; an inner skirt depending downwardly from said top wall having an outer surface and an inner surface, a thread helically extending along said inner surface of said inner skirt, and a plurality of strengthening ribs depending downwardly from said top wall along said outer surface of said inner skirt; a deflection wall extending upwardly from said top wall; a cutter extending from said top wall defining an axial cutter and a radial cutter formed of intersecting triangles wherein said axial triangle extends above said radial triangle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A double shell closure with liner cutter, comprising:
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a top wall having a peripheral edge; an outer skirt depending downwardly from said peripheral edge; an inner skirt depending downwardly from said top wall having an inner surface with a thread extending helically along said inner surface of said inner skirt and a plurality of ribs depending from said top wall along said outer surface of said inner skirt; a deflection wall extending upwardly from said top wall and radially inset from said peripheral edge; an x-cutter defining an axial cutter and a radial cutter, said axial cutter and said radial cutter each formed by an isosceles triangle, said isosceles triangles being perpendicular and intersecting along respective centerlines; said x-cutter cutting a liner through a radial arc between about 200 degrees and 340 degrees. - View Dependent Claims (8, 9, 10, 11)
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Specification