Method for preventing overflow of hot melt adhesive

A hot-melt adhesive, warm technology, used in labels, packaging, labeling machines, etc., can solve problems such as glue spillage, uncontrollable glue sticking amount, and bottle body pollution.

Inactive Publication Date: 2016-04-27
天津市西祥塑料制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In the process of pasting the bottle stickers, due to the inability to control the amount of glue pasted, the glue often overflows, causing pollution to the bottle body, or the bottle stickers become warped because the glue does not stick to the edge.

Method used

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Embodiment Construction

[0023] For further illustrating the present invention, now the present invention is elaborated:

[0024] The method for preventing hot melt adhesive from overflowing, the specific steps are as follows:

[0025] (1) The hot-melt adhesive is heated and melted to melt the colloid. The hot-melt adhesive is composed of ethylene-methacrylate copolymer and diluent, wherein the ethylene-methacrylate copolymer accounts for 65% of the total weight of the glue, and methacrylic acid ester accounts for 12% of the total weight of the ethylene-methacrylate copolymer in the ethylene-methacrylate copolymer;

[0026] (2) The temperature of the hot-melt glue is controlled by the temperature controller, and the melted hot-melt glue is applied to the label to be pasted, leaving a blank edge of 0.5mm on the edge of the label;

[0027] (3) Operate the labeling machine to complete the labeling process. After the operation, the bottle glue will not overflow and the edge will not warp.

[0028] The a...

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PUM

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Abstract

The invention provides a method for preventing overflow of a hot melt adhesive. The method comprises the following specific steps: (1) carrying out heating hot melting on hot melt adhesive to melt the adhesive; (2) controlling the temperature of the hot melt adhesive to be constant by using a temperature controller, coating molten hot melt adhesive to a to-be-pasted label, wherein a blank edge of 0.3-0.7mm is reserved at the edge of the label; and (3) operating a labeling machine to complete a labeling procedure. According to the method, due to specific edge reserving distance and selection of the hot melt adhesive, the phenomenon of edge warping can be avoided while realizing zero overflow of the adhesive during an operation, and therefore, the method is suitable for meeting the requirements of large-scale industrial production.

Description

technical field [0001] The invention relates to the field of pasting bottle stickers, in particular to a method for preventing overflow of hot melt adhesive. Background technique [0002] The labeling machine is a device that pastes paper or metal foil labels on specified packaging containers with adhesives. mainly include: [0003] (1) Unwinding wheel. It is a passive wheel for placing roll labels. Usually equipped with a friction braking device with adjustable friction, the purpose is to control the speed and tension of the reel and keep the paper feeding smoothly. [0004] (2) buffer wheel. The work is connected with the spring. Can swing back and forth. The purpose is to absorb the tension of the roll material when the device is started, keep the material in contact with each roller, and prevent the material from breaking. [0005] (3) guide roller. Composed of upper and lower parts, it plays the role of guiding and positioning the roll material. [0006] (4) Dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65C9/25
Inventor 柳玉好
Owner 天津市西祥塑料制品有限公司
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