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Novel heat shrinking sleeve

A heat-shrinkable, new technology, applied in the direction of pipes/pipe joints/pipe fittings, mechanical equipment, pipe components, etc., can solve the problems of product quality decline, low automation level, backward technology, etc., to improve production efficiency, simplify production process, The effect of improving construction quality

Inactive Publication Date: 2016-01-27
王金鹤
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  • Abstract
  • Description
  • Claims
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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 further description in conjunction with the accompanying drawings does not 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. This structure includes a base material layer 1 and a hot melt adhesive layer 2, and a base material melt adhesive connection layer 8 is arranged between them, so that it 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 in...

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Abstract

The invention relates to a novel heat shrinking sleeve. The section of the novel heat shrinking sleeve is of an annular structure; the annular structure comprises a base material layer and a melt glue layer; the base material layer is located outside the melt glue layer; a base material-melt glue connecting layer is arranged between the base material layer and the melt glue layer. The annular structure comprises a base material end outer layer and a base material end inner layer, and a base material connecting layer is disposed between the base material end outer layer and the base material end inner layer. The novel heat shrinking sleeve is reasonable in structure and extremely high in shrinking rate.

Description

technical field [0001] The invention belongs to the technical field of plastic products, and in particular relates to a novel heat-shrinkable 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 p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L55/00
Inventor 王金鹤
Owner 王金鹤
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