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Shrinkable sleeve

A technology of shrink sleeves and base materials, applied in the field of shrink sleeves, can solve problems such as product quality decline, low automation level, and backward technology, and achieve the effects of simplifying the production process, improving production efficiency, and improving construction quality

Inactive Publication Date: 2017-05-10
王欣欣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the equipment for producing heat-shrinkable tapes is relatively backward in technology, which affects the structure of heat-shrinkable products, affects the quality of heat-shrinkable products, and restricts the development of the industry.
The heat-shrinkable products produced by the existing technology rely on stretching when producing PE substrates, and glue coating after radiation irradiation. Due to the low level of automation, it is impossible to form an accurate control of the shrinkage rate, the shrinkage is unstable, and the internal structure of the product is unreasonable. , resulting in a decline in product quality

Method used

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Embodiment Construction

[0014] The following will be further described in conjunction with the accompanying drawings, not to limit the scope of the present invention.

[0015] see figure 1 and figure 2 As shown, the structure of the present invention is a hollow columnar structure, and its cross-section is an annular structure. The structure is more stable and has a higher shrinkage rate. The annular structure also includes a special stabilizing layer. This stabilizing layer contains at most seven thin layers, which are the outer layer 3 of the base material end, the inner layer 4 of the base material end, Melt glue end outer layer 5, melt glue end inner layer 6, base material connecting layer 7, base material melt glue connecting layer 8 and melt glue connecting layer 9, between base material end outer layer 3 and base material end inner layer 4 by The base material connection layer 7 is connected; the melt glue end outer layer 5 and the melt glue end inner layer 6 are connected by the melt glue ...

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Abstract

The invention relates to a shrinkable sleeve. The section of the shrinkable sleeve adopts an annular structure, the annular structure comprises a base stock layer and a melt glue layer, the base stock layer is positioned outside the melt glue layer, and a base stock and melt glue connecting layer is arranged between the base stock layer and the melt glue layer. The annular structure further comprises a base stock end outer layer and a base stock end inner layer between which a base stock connecting layer is arranged. The shrinkable sleeve is reasonable in product structure and has very high shrinkage percentage.

Description

technical field [0001] The invention belongs to the technical field of plastic products, and in particular relates to a shrink sleeve. Background technique [0002] In the mid-to-late 1990s, the oil and gas industry began to use heat-shrinkable plastic materials, and later expanded to urban gas pipelines, water pipelines and other fields. At present, the equipment for producing heat-shrinkable tapes is relatively backward in technology, which affects the structure of heat-shrinkable products, affects the quality of heat-shrinkable products, and restricts the development of the industry. The heat-shrinkable products produced by the existing technology rely on stretching when producing PE substrates, and glue coating after radiation irradiation. Due to the low level of automation, it is impossible to form an accurate control of the shrinkage rate, the shrinkage is unstable, and the internal structure of the product is unreasonable. , resulting in a decline in product quality....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L11/04
CPCF16L11/045
Inventor 王欣欣
Owner 王欣欣
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