Packaging apparatus for roll product and package of roll...

Package making – Closing packages and filled receptacles – Including provision for pleat of cover overhang

Reexamination Certificate

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Reexamination Certificate

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06964143

ABSTRACT:
When packaging a roll product in which a belt-shaped sensitized material has been wound around a core with a light shielding sheet, the packaging apparatus is capable of forming an angle pleated portion of a gather-folded portion which covers a roll end surface with stability, and the package of roll product is capable of retaining the light shielding property and the moisture resistance while making the area of the sheet as small as possible. The gather-folding apparatus forms angle pleated portions on end surface wrapping material by means of both plate-shaped folding members which come into plane contact from outside of the end surface wrapping material and inter support arms which come into line-contact with the inner peripheral surface of the end surface wrapping material. This gather-folding apparatus forms, by means of both the surfaces of the plate-shaped folding members and the line of the inter support arm, two planes of folded planes sandwiching the line concerned. In this case, since these two planes of folded planes are formed with equal tension, the angle pleated portion can be formed with stability.

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