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A technology of sealing parts and sealing sheets, which is applied to postal envelopes, closing devices, containers, etc., and can solve the problems of hollow rivets being rusted, bulky, and inconvenient to store

Inactive Publication Date: 2007-01-17
SHILOGANE KASEI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Hollow rivets are exposed and protrude on the inner wall of the package, which is easy to damage the package inside
[0005] 2. Hollow rivets will rust
[0006] 3. When multiple packages overlap, due to the protruding hollow rivets, the packages are stacked unstable and inconvenient to store
[0007] 4. The round sealing sheet made of hard resin is usually thicker, and the volume is large when stacked

Method used

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Examples

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Embodiment Construction

[0019] Figure 1 shows the closure 10 of the present invention in its unused state. When the sealing piece 10 is in use, a circular sealing piece 12 with a string and a circular sealing piece 14 are used as a group. In the state shown in FIG. The sealing sheet 12 and several sealing sheets 14 are adhered on a release paper 15 releasably.

[0020] Such as figure 2 As shown, each of the stringed closure flaps 12 and 14 is formed from a sheet base portion 16 and a sheet front portion 18, respectively. In addition, the sheet base 16 is made of a soft resin sheet and an adhesive layer on its back side, and the sheet front portion 18 is made of laminated two-layer sheets. As a combination of these two-layer sheets, it can be: (1) the surface side is hard. (2) a combination of paper on the front side and a soft resin sheet on the back side. Moreover, as a material of the resin sheet, synthetic resins such as polyvinyl chloride, polyethylene, and polypropylene can be used, but any r...

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PUM

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Abstract

A a sealing article for sealing the case, bag, envelope, etc is composed of a sheet substrate with an adhesive layer, the sealing circular slices attached to said substrate by fusing the central part on its back, and the sealing circular slices similar to above-said ones but having fine string.

Description

technical field [0001] The invention relates to a sealing piece for flip-tops of packages such as boxes, bags, envelopes and the like. Background technique [0002] The traditional package flap is a plate-shaped sealing piece formed by riveting a pair (two pairs) of hard resin with a hollow rivet at the packaging flap. One pair of sealing pieces is fixed with a string, which is riveted on the cover of the package, and the other pair of sealing pieces is riveted on the package body without a string. The purpose of sealing. [0003] The defects of this closure are: [0004] 1. Hollow rivets are exposed and protrude on the inner wall of the package, which is easy to damage the package inside. [0005] 2. Hollow rivets will rust. [0006] 3. When multiple packages overlap, due to the protruding hollow rivets, the packages are not stacked stably and are inconvenient for storage. [0007] 4. The round sealing sheet made of hard resin is usually thicker, and the volume is larg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D27/28B65D33/16
Inventor 野口弘道
Owner SHILOGANE KASEI