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US 10,895,334 B2Granted
Composite pipe and method for manufacturing the same
AssigneesZhejiang Xinzhou Bamboo-Based Composites Technology Co., Ltd., Ling Ye
InventorsLing Ye, Xin Zhu, Lin Niu
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Abstract
A composite pipe, including, successively, from the inside out in the radial direction of the composite pipe: an inner liner layer; a reinforced layer; and an outer protective layer. The reinforced layer includes a bamboo fiber reinforced layer and a straw reinforced layer. The bamboo fiber reinforced layer includes a plurality of bamboo strip layers. Each bamboo strip layer includes winding bamboo strips. The straw reinforced layer includes a plurality of straw layers. Each straw layer includes winding stems of straw.
Claims8
A composite pipe, comprising:
- an inner liner layer;
- a reinforced layer;
- and
- an outer protective layer;
- wherein:
- the inner liner layer, the reinforced layer, and the outer protective layer are of a tubular shape, and are sequentially arranged from inside to outside in a radial direction of the composite pipe;
- the reinforced layer comprises a bamboo fiber reinforced layer and a straw reinforced layer that are of a tubular shape;
- the bamboo fiber reinforced layer comprises a plurality of bamboo strip layers, and each bamboo strip layer comprising a plurality of bamboo strips;
- wherein in each bamboo strip layer, longitudinal axes of the plurality of bamboo strips are parallel to each other;
- and the plurality of bamboo strips of each bamboo strip layer is not interwoven with the plurality of bamboo strips of another bamboo strip layer;
- and
- the straw reinforced layer comprises a plurality of straw layers, and each straw layer comprising a plurality of straw stems;
- wherein in each straw layer, each of the plurality of straw stems is in a strip shape, and longitudinal axes of the plurality of straw stems are parallel to each other;
- and the plurality of straw stems of each straw layer is not interwoven with the plurality of straw stems of another straw layer.
11 more elements
Dependencies are inferred from the claim text.