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人工血管用ダブルラッシェル編地管とその製造方法
专利权人:
FUKUI WARP KNITTING CO.; LTD.
发明人:
TAKAGI, Yoshihide,高木義秀,YAMAUCHI, Nobuyuki,山内伸介,TSUBOTA, Shouichi,坪田昌市
申请号:
JPJP2012/000954
公开号:
WO2012/111309A1
申请日:
2012.02.14
申请国别(地区):
WO
年份:
2012
代理人:
摘要:
[Problem] To provide: a process for producing a double-raschel-knitted tube for artificial blood vessels, in which the occurrence of thread breakage or fluffing can be minimized and which can be knitted with high efficiency and a double-raschel-knitted tube for artificial blood vessels, which is produced by the process.[Solution] The present invention is a process for producing a double-raschel-knitted tube (W) for artificial blood vessels, comprising: refining a raw silk thread (2) which is composed of N plies of silk threads (1) each composed of a pair of core parts (41) formed by fibroin (11) and a skin part (42) surrounding the core parts (41) and formed by sericin (12) removing a portion of sericin (12) and leaving a portion of sericin (12) so as to separate the pair of core parts (41) from each other, thereby forming 2N plies of fibroin threads (4) each having a skin-core structure, thus producing sericin-coated silk threads (5) each of which is composed of the 2N plies of fibroin threads (4) each having a skin-core structure subsequently subjecting the sericin-coated silk threads (5) to first twisting to produce first-twisted silk threads combining a few plies of the first-twisted silk threads and then subjecting the combined first-twisted silk threads to second twisting to produce a plied silk yarn and subsequently carrying out knitting using the plied silk yarn (T) as a knitting yarn (Y) to form a tubular knitted material.Cette invention a pour objet de pourvoir à un procédé de production dun tube double Raschel tricoté pour vaisseaux sanguins synthétiques, dans lequel loccurrence dune cassure ou dun boulochage du fil peut être réduite au minimum et qui peut être tricoté à une efficacité élevée et à un tube double Raschel tricoté pour vaisseaux sanguins synthétiques qui est obtenu par ledit procédé.Pour ce faire, le procédé de production dun tube double Raschel tricoté (W) pour vaisseaux sanguins synthétiques selon la présente invention comprend : laffinag
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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