Method for making paper adhesive seal lose efficacy in lossless manner

A rubber seal and paper-based technology, which is applied in the field of non-destructive failure of paper-based glue seals, can solve problems such as excessive deformation of local seals, complicated solution methods, and difficulty in controlling specification parameters, so as to simplify failure methods, shorten operation time, and improve The effect of controllability

Active Publication Date: 2019-09-10
BEIJING HANGXING MACHINERY MFG CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the methods to invalidate paper glue include using special component solution to invalidate specific curing glue, ultra-low temperature to invalidate glue, and external heating steam to invalidate glue. In practical applications, paper adhesives with different components often appear, and targeted configuration Solutions of specific components me...

Method used

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  • Method for making paper adhesive seal lose efficacy in lossless manner

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Effect test

Embodiment

[0029] Choose an envelope with a sealing size of 120mm*18mm, the envelope material is 80g double-adhesive paper, the unit water injection volume is 0.5ml / cm2, cover it with a polyvinyl chloride film, the microwave frequency is 2.45GHz, the output power is 300W, and the action time is 30s. The cured glue at the sealing can be transformed into a wet glue state. After vibrating the vibrator at the sealing, the sealing will fail and open naturally. After the failure, there will be no obvious deformation and water stains on the paper glue sealing, and the paper glue sealing can still be glued after folding. Then restore.

[0030] Traditional water vapor makes the paper glue seal invalid, the process is dangerous, and the dismantling process cannot be quantitatively controlled, but the method of the present invention can complete the non-destructive disassembly with quantitative, constant power and fixed time; the method of the present invention effectively simplifies the paper quali...

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Abstract

The invention discloses a method for making a paper adhesive seal lose efficacy in a lossless manner. Firstly, the side, sealed with adhesive, of a paper adhesive seal end is infiltrated with an appropriate amount of water molecules equivalent to a paper material and thethickness, and except for the side sealed with adhesive, remaining portions are maintained in the original state; secondly, a paper adhesive seal end infiltrated position is shielded with a waterproof material, wherein the escaping amount of the water molecules into air in the microwave radiating process does not exceed 50%; and thirdly, a seal position is placed in the microwave environment, wherein the microwave frequency is 2.45 GHz to 7.5 GHz, the output power is 200 W-900 W, the acting time is 10seconds-60 seconds, andafter the shielding matter is removed, cure adhesive at the seal position is transformed to be ina wet glue state, the infiltrated side of the paper adhesive seal end is dried and free of deformation, and the paper adhesive seal can be opened in a lossless manner under the effect of the external force. Due to the method, an efficiency losing method of paper adhesive is effectively simplified, theoperation time is shortened, and controllability in the process is improved.

Description

technical field [0001] The invention relates to a method for invalidating a paper glue seal, in particular to a non-destructive method for invalidating a paper glue seal. Background technique [0002] At present, the methods to invalidate paper glue include using special component solution to invalidate specific curing glue, ultra-low temperature to invalidate glue, and external heating steam to invalidate glue. In practical applications, paper adhesives with different components often appear, and targeted configuration Solutions of specific components means complex. Ultra-low temperature is difficult to achieve partial sealing to make the glue invalid, and ultra-low temperature is rare. Externally heated steam is difficult to control the standard parameters, and the high humidity of the steam can easily cause excessive deformation of the local seal. The operability and safety of the steam is also the weakness of this method. Contents of the invention [0003] The techni...

Claims

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Application Information

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IPC IPC(8): B65B69/00
CPCB65B69/0066
Inventor 陈炎田顺吉徐圆飞张律
Owner BEIJING HANGXING MACHINERY MFG CO LTD
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