Packaging container for containing plural rolls of strip material
First Claim
Patent Images
1. A packaging container for containing a roll group constituted by a stack of plural rolls of strip material, comprising:
- a lower case section for placement of said roll group thereon;
a lateral section disposed about said roll group, having a lower portion fitted on said lower case section;
an upper case section for covering an upper portion of said roll group;
plural through holes formed in said lateral section; and
plural connection tabs, formed by cutting a portion of said lower case section along cut lines, to extend from an upper end of said lower case section, for being inserted in said through holes to connect said lower case section with said lateral section,wherein each of said through holes includes a passage gap portion and a retention gap portion having a smaller width than said passage gap portion,wherein said connection tabs respectively include a small-width support portion and a large-width hook portion, and are in a T-shape,wherein said passage gap portion receives insertion of said hook portion of said connection tabs, said support portion of said connection tab being pressed into said retention gap portion, andwherein said through holes are formed by bending out a region defined by a partially closed loop of a cut line, and after said support portion is retained in said retention gap portion, said region is bent back to said cut line to close said passage gap portion.
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Accused Products
Abstract
A packaging container contains plural roll containing wrappers, which have rolls of motion picture photo film. An upper case has a lower opening at a lower end, for containing the plural roll containing wrappers. A lower end panel closes the lower opening. Four through holes is formed in the upper case. Four connection tabs are formed to protrude from the lower end panel, retained in the four through holes, for connecting the lower end panel with the upper case.
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Citations
13 Claims
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1. A packaging container for containing a roll group constituted by a stack of plural rolls of strip material, comprising:
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a lower case section for placement of said roll group thereon; a lateral section disposed about said roll group, having a lower portion fitted on said lower case section; an upper case section for covering an upper portion of said roll group; plural through holes formed in said lateral section; and plural connection tabs, formed by cutting a portion of said lower case section along cut lines, to extend from an upper end of said lower case section, for being inserted in said through holes to connect said lower case section with said lateral section, wherein each of said through holes includes a passage gap portion and a retention gap portion having a smaller width than said passage gap portion, wherein said connection tabs respectively include a small-width support portion and a large-width hook portion, and are in a T-shape, wherein said passage gap portion receives insertion of said hook portion of said connection tabs, said support portion of said connection tab being pressed into said retention gap portion, and wherein said through holes are formed by bending out a region defined by a partially closed loop of a cut line, and after said support portion is retained in said retention gap portion, said region is bent back to said cut line to close said passage gap portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A packaging container for containing a roll group constituted by a stack of plural rolls of strip material, comprising:
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a lower case section for placement of said roll group thereon; a lateral section disposed about said roll group, having a lower portion fitted on said lower case section; an upper case section for covering an upper portion of said roll group; plural through holes formed in said lateral section; and plural connection tabs to extend from an upper end of said lower case section, for being inserted in said through holes to connect said lower case section with said lateral section, wherein each of said through holes includes a passage gap portion and a retention gap portion having a smaller width than said passage gap portion, wherein said connection tabs respectively include a small-width support portion and a large-width hook portion, and are in a T-shape, wherein said passage gap portion receives insertion of said hook portion of said connection tabs, said support portion of said connection tab being pressed into said retention gap portion, and wherein said through holes are formed by bending out a region defined by a partially closed loop of a cut line, and after said support portion is retained in said retention gap portion, said region is bent back to said cut line to close said passage gap portion.
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13. A packaging container for containing a roll group constituted by a stack of plural rolls of strip material, comprising:
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a lower case section for placement of said roll group thereon, said lower case section having a lower end panel; a lateral section disposed about said roll group, having a lower portion fitted on said lower case section; an upper case section for covering an upper portion of said roll group; plural through holes formed in said lateral section; plural connection tabs to extend from an upper end of said lower case section, for being inserted in said through holes to connect said lower case section with said lateral section; and a lower pad device fitted in said lower case section, said lower pad device comprising; a reinforcing pad sheet placed on said lower end panel; a pair of pad flaps disposed to extend from two side lines of said reinforcing pad sheet opposed to one another, and oriented erectly from said reinforcing pad sheet; and plural reinforcing tabs, formed with said pad flaps, overlapped with said connection tabs, for being inserted in said through holes.
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Specification