A non-destructive method for invalidating paper glue seals

A rubber seal and paper-based technology, 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, improve controllability, The effect of shortening the operation time

Active Publication Date: 2022-04-05
BEIJING HANGXING MACHINERY MFG CO LTD
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  • Abstract
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  • Claims
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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 means complex
Ultra-low temperature is difficult to achieve for local 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

Method used

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  • A non-destructive method for invalidating paper glue seals

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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 non-destructively invalidating a paper glue seal. Step 1: Infiltrate an appropriate amount of water molecules on the glue-sealed side of the paper glue seal end, except for the glue-sealed side , and the rest remain in their original state; step 2, cover the wetted part of the paper glue sealing end with a waterproof material, and the amount of water molecules escaping into the air during the microwave radiation process does not exceed 50%; step 3, dispose of the sealing in a microwave environment Among them, the microwave frequency is 2.45GHz-7.5GHz, the output power is 200-900W, and the action time is 10-60 seconds. After removing the cover, the curing glue at the sealing part turns into a wet glue state, and the sealing end of the paper glue is soaked for a while. The side is dry without deformation, and the paper glue seal can be opened without damage under the action of external force. The method of the invention effectively simplifies the failure method of the paper glue, shortens the operation time and improves the controllability of the process.

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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Patent Type & Authority Patents(China)
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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