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41 results about "Stringiness" patented technology

A palpable tissue texture abnormality characterized by fine or string-like myofascial structures.

Wiredrawing method and wiredrawing device for outer diameter fluctuation optical fiber perform

The invention relates to a wiredrawing method and a wiredrawing device for an outer diameter fluctuation optical fiber perform, particularly a large-size outer diameter fluctuation optical fiber perform. Compared with an existing wiredrawing method, the wiredrawing method has the different points that a radial seal adjustable device is arranged at a furnace mouth at the upper end of a heating cavity of a wiredrawing furnace; and in the wiredrawing process, the optical fiber perform is clung to the radial seal adjustable device, so that a radial gap between the optical fiber perform and the radial seal adjustable device, i.e. the difference between the outer diameter of the optical fiber perform and the seal aperture of the radial seal adjustable device, is kept in the range of 0 to 0.2mm. According to the invention, the radial gap between the large-size perform with nonuniform outer diameter variation and the radial seal adjustable device is always kept in a small allowable gap range or tends to zero in the wiredrawing feeding process, so that the wiredrawing quality is ensured and the technical difficult problem that the large-size outer diameter fluctuation optical fiber perform cannot be directly subjected to wiredrawing processing is solved; and the yield and the processing efficiency of optical fibers are further improved and the stringiness of the single perform is also improved, so that the optical fiber manufacturing cost is further reduced.
Owner:YANGTZE OPTICAL FIBRE & CABLE CO LTD

Antistatic polyester and nylon composite superfine fiber and production method thereof

The invention discloses an antistatic polyester and nylon composite superfine fiber and a production method thereof. The antistatic polyester and nylon composite superfine fiber is composed of a superfine polyester fiber as a core wire and a denatured nylon 6 fiber layer coating outside the core wire, and an antistatic nanopowder material is arranged in the externally-coated denatured nylon 6 fiber layer; and the denatured nylon 6 is obtained through adding a silica nanopowder material under the active catalysis of a cerium oxide nanopowder material. The result of experimental tests on the antistatic polyester and nylon composite superfine fiber obtained through the production method shows that the surface resistivity of the antistatic polyester and nylon composite superfine fiber is in a range of 10<7>-10<9>, and the provided denatured nylon 6 increases the tensile strength of nylon 6, so the stringiness of nylon 6 is good, thereby the coating wire drawing of nylon 6 and the superfine polyester fiber is realized, and textile fibers obtained through the coating wire drawing have the characteristic advantages of polyester, has the characteristic advantages of nylon and also has a good antistatic effect.
Owner:宁波三邦日用品有限公司
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