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Reinforced strip contg. one layer of longitudinal high toughness yarn

A reinforced belt, high toughness technology, applied in layered products, transportation and packaging, glass/slag layered products, etc.

Inactive Publication Date: 2004-05-26
CHOMARAT COMPOSITES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another problem is to protect such a strap from different frictional contacts when it is installed

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Reinforced strip contg. one layer of longitudinal high toughness yarn
  • Reinforced strip contg. one layer of longitudinal high toughness yarn
  • Reinforced strip contg. one layer of longitudinal high toughness yarn

Examples

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Embodiment Construction

[0025] shown in figure 1 The tape 1 comprises a layer 2 of aramid yarns 3 loosely woven with weft yarns 4. This layer 2 accommodates a thermoplastic film 5 , 6 on each of its sides.

[0026] exist figure 1 In the illustrated embodiment, the two membranes 5, 6 are wider than the yarn layer 3 and extend laterally from the yarn layer 3 in regions opposite each other, the membranes 5, 6 are to be bonded together. These adhesive areas thus constitute the edge 8 of the tape.

[0027] Such a sheath consisting of two membranes 5, 6 allows the yarn layer 2 to move slightly and easily deforms the yarn layer 3 when the tape is used on a support that is not flat.

[0028] image 3 An alternative embodiment is shown in which the sheath consists of a single membrane 19 folded upon itself so as to form the edge 11 , the sheath being bonded to itself in a region 12 corresponding to the edge of the sheet constituting the membrane 10 .

[0029] The present invention also involves Figure ...

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Abstract

A reinforcing tape that includes a ply of longitudinal, aramid-, glass- or carbon-based high-tenacity yarns (3) bound together by weft yarns (4), includes two thermoplastic films (5, 6), each placed on one side of the ply of high-tenacity yarns.

Description

technical field [0001] The present invention relates to the field of high performance textiles, more precisely textile reinforcements used as reinforcements. More particularly it relates to a novel structure of reinforcement tapes made of high tenacity yarns which are used to wrap around different structures in order to reinforce them. [0002] The object of the present invention is to improve reinforcement strips of this type in order to be able to preserve almost all the toughness properties of these reinforcement strips when they are subjected to high stresses, both mechanically and from the point of view of environmental conditions . Background technique [0003] In general, many structures have to be reinforced because they are in places of particularly high mechanical stress. For example, mention may be made of flexible pipes used in the field of oil drilling, which have to withstand high pressures when conducting high-pressure gas. The stress is not only mechanical...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/22D03D15/00
CPCD03D15/0011D10B2331/021D03D15/0027D10B2401/041D03D3/005B29C70/226D10B2101/06D03D15/00Y10T428/249924D10B2101/12D10B2401/062D03D15/47D03D15/267D03D15/587D03D15/573D03D15/283
Inventor J·博东内尔
Owner CHOMARAT COMPOSITES
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