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    • 2. 发明申请
    • APPARATUS FOR FORMING A SPLICED YARN
    • 形成单纱的装置
    • WO2004058612A2
    • 2004-07-15
    • PCT/US2003/040019
    • 2003-12-12
    • INVISTA TECHNOLOGIES S.A.R.L.
    • ZEWDE, AntenehPERROTTO, Joseph, AnthonyWHITLEY, Mark, Jefferson
    • B65H
    • D02G3/445B65H69/00B65H69/063B65H2701/31D02G3/346
    • Apparatus for forming a spliced yarn includes a yarn conduction member with an intermingling jet disposed forwardly thereof. The yarn conduction member has respective yarn conduction channels through which the first and second yarns are conveyed to the intermingling jet. The axis of each yarn conduction channel from the inlet to the outlet of the member is a straight line, with no bends or deviations. The yarn conduction member has a knife blade disposed adjacent to a respective yarn conduction channel. Each knife blade has a passage defining a cutting edge and a solid portion disposed between the passage and the tip of the blade. The first and second knives are insertable into and retractable from the channel to which they are adjacent. In the inserted position the passage in the knife aligns with the channel into which it is inserted, while in the retracted position the solid portion of the blade interdicts the passage to prevent movement of a yarn therethrough. A first and a second holding cap is disposed adjacent to one of the yarn conduction channels and proximal to a respective one of the knives. Each cap is retractable from and insertable into the channel adjacent thereto in correspondence with the respective insertion and retraction of the proximal knife. When inserted into a channel the cap is disposed into abutting contact with the yarn conduction member and serves to hold a yarn extending through a channel against the yarn conduction member. The yarn conduction member is preferably formed from conjoined first and second housing members, one of which is fabricated from a transparent material.
    • 用于形成拼接纱线的装置包括:纱线传导部件,其前方配置有混合喷嘴。 纱线传导构件具有相应的纱线传导通道,第一和第二纱线通过该导纱通道被传送到混合射流。 每个纱线传导通道从构件的入口到出口的轴线是直线,没有弯曲或偏差。 纱线传导部件具有与相应的纱线传导通道相邻设置的刀片。 每个刀片具有限定切割边缘的通道和设置在叶片的通道和尖端之间的实心部分。 第一和第二刀可插入并从它们相邻的通道缩回。 在插入位置,刀具中的通道与其插入的通道对准,而在缩回位置,刀片的实心部分阻止通道,以防止纱线通过其移动。 第一和第二保持盖邻近一个纱线传导通道设置并且靠近相应的一个刀具。 每个盖可相应于近端刀的相应插入和缩回而从相邻的通道缩回并插入到其中。 当插入到通道中时,帽被布置成与纱线传导构件邻接接触,并且用于将通过通道延伸的纱线保持在纱线传导构件上。 纱线传导构件优选地由联结的第一和第二壳体构件形成,其中一个由透明材料制成。
    • 5. 发明申请
    • SPLICED YARN AND METHOD FOR FORMING THE SAME
    • 单丝和其形成方法
    • WO2004058613A2
    • 2004-07-15
    • PCT/US2003/040023
    • 2003-12-12
    • INVISTA TECHNOLOGIES S.à.r.l.
    • ZEWDE, AntenehPERROTTO, Joseph, AnthonyWHITLEY, Mark, Jefferson
    • B65H
    • D02G3/445B65H69/00B65H69/063B65H2701/31D02G3/346
    • A method for producing a spliced yarn comprising alternating predetermined lengths of a first and a second yarn and to the yarn are disclosed.A predetermined length of a first yarn is drawn through an intermingling jet. A leading portion of a second yarn is forwarding into the intermingling jet and into overlapping relationship with a trailing portion of the first yarn. Using a pressurized fluid the overlapped portions of the first and second yarns are intermingled, thereby to splice the leading portion of second yarn to the trailing portion of the first yarn. The first yarn is then severed, and the spliced portion and a predetermined length of the second yarn are drawn through the intermingling jet. The cycle is repeated with the second yarn being the currently drawn yarn and the first yarn being forwarded into overlapping relationship therewith.Preferably the yarns are held in the intermingling jet, as by a clamp disposed forwardly of the jet, while the intermingled splice is formed. The pressurized fluid forming the intermingled splice has a pressure in the range from sixty (60) to one hundred (100) pounds per square inch (413.4 to 689.4 Kilopascals), and more preferably, a pressure in the range from sixty (60) to eighty (80) pounds per square inch (413.4 to 551.2 Kilopascals). Each splice so formed must be able to withstand a tension force of at least 6.8 pounds (3.1 kilograms). The predetermined lengths of the first and second yarn may be equal or different. Preferably the first and second yarns are solution dyed to be differently colored.
    • 公开了一种用于生产包括交替预定长度的第一和第二纱线和纱线的拼接纱线的方法。将预定长度的第一纱线通过混合射流抽出。 第二纱线的引导部分进入混合射流并与第一纱线的尾部重叠。 使用加压流体,将第一和第二纱线的重叠部分混合,从而将第二纱线的前部部分接合到第一纱线的后部。 然后将第一纱线切断,并且将接合部分和第二纱线的预定长度拉过混合射流。 重复该循环,其中第二根纱线是当前拉伸的纱线,第一根纱线与之重合。第一条纱线优选地保持在混合射流中,如通过设置在喷嘴前方的夹具,而形成混合的接头 。 形成混合接头的加压流体的压力范围为六十(60)至一百(100)磅/平方英寸(413.4至689.4千帕),更优选在六十(60)至 八十(80)磅每平方英寸(413.4至551.2千帕)。 如此形成的每个接头必须能够承受至少6.8磅(3.1千克)的张力。 第一纱线和第二纱线的预定长度可以相等或不同。 优选地,第一和第二纱线被染色成不同颜色。
    • 6. 发明申请
    • 炭素繊維前駆体アクリル繊維束、その一部の熱酸化処理方法、熱酸化処理炉、及び炭素繊維束の製造方法
    • 碳纤维前驱物丙烯纤维布,其中一些热氧化方法,热氧化炉,以及生产碳纤维布的方法
    • WO2013154178A1
    • 2013-10-17
    • PCT/JP2013/061048
    • 2013-04-12
    • 三菱レイヨン株式会社
    • 池田 忠信鮫島 禎雄畑中 洋二安並 哲
    • D01F9/22
    • D01F9/21B65H69/063D01F6/18D01F9/22D01F9/225D01F9/328D04H3/007D04H3/04D10B2101/12F27B17/0016F27D7/04F27D7/06F27D2007/063
    •  耐炎化工程と炭素化工程をスムーズに通過し得る炭素繊維前駆体アクリル繊維束を提供する。その一部に高密度部を有し、前記高密度部が、以下の条件A及び条件Bを満足する炭素繊維前駆体アクリル繊維束。条件A:前記高密度部の最大糸密度ρ max が1.33g/cm 3 以上である。条件B:中間密度点と最大密度領域到達点との間において、糸密度の増加量が繊維束長10mm当たり1.3×10 -2 g/cm 3 以下である。但し、「中間密度点」とは、非高密度部の糸密度ρ 0 と最大糸密度ρ max との間の中間の密度ρ m を有する部位である。「最大密度領域到達点」とは、密度上昇開始点から距離50mm毎の部位を密度測定点として、順に糸密度(ρ 1 、ρ 2 、・・・、ρ r 、・・・、ρ n )を測定した場合に、(ρ r+1 -ρ r )/5で表される繊維束長10mm当たりの糸密度の増加量が1.0×10 -3 g/cm 3 以下となる部位P r である。
    • 提供一种碳纤维前体丙烯酸系纤维束,能够顺利地通过耐火性赋予工序和碳化工序。 碳纤维前体丙烯酸系纤维束的高密度部分作为其一部分,其中高密度部分满足以下要求(A)和(B)。 要求A:高密度部分的最大纤维密度rhomax为1.33g / cm 3以上。 要求B:在中间密度点和最大密度区域到达点之间延伸的部分纤维密度在每10毫米的纤维束长度上增加1.3×10-2克/厘米3或更小。 术语“中间密度点”是指具有在非高密度部分的纤维密度rhoo和最大纤维密度rhomax之间的中间密度rhom的部位。 术语“最大密度区域到达点”是指纤维束长度每10mm的纤维密度增加为1.0×10 -3 g / cm 3以下的位置Pr,纤维密度的增加由 (rho1,rho2,...)的密度测定点从密度开始增加的位置开始并以50mm的间隔进行测定,测定了(rhor + 1-rhor)/ 5, rhor,...,rhon)。
    • 8. 发明申请
    • APPARATUS FOR FORMING A SPLICED YARN
    • 形成单纱的装置
    • WO2004058612A3
    • 2005-04-07
    • PCT/US0340019
    • 2003-12-12
    • INVISTA TECH SARL
    • ZEWDE ANTENEHPERROTTO JOSEPH ANTHONYWHITLEY MARK JEFFERSON
    • B65H20060101B65H69/00B65H69/06D01H1/00D02G3/34D02G3/44
    • D02G3/445B65H69/00B65H69/063B65H2701/31D02G3/346
    • Apparatus for forming a spliced yarn includes a yarn conduction member with an intermingling jet disposed forwardly thereof. The yarn conduction member has respective yarn conduction channels through which the first and second yarns are conveyed to the intermingling jet. The axis of each yarn conduction channel from the inlet to the outlet of the member is a straight line, with no bends or deviations. The yarn conduction member has a knife blade disposed adjacent to a respective yarn conduction channel. Each knife blade has a passage defining a cutting edge and a solid portion disposed between the passage and the tip of the blade. The first and second knives are insertable into and retractable from the channel to which they are adjacent. In the inserted position the passage in the knife aligns with the channel into which it is inserted, while in the retracted position the solid portion of the blade interdicts the passage to prevent movement of a yarn therethrough.
    • 用于形成拼接纱线的装置包括:纱线传导部件,其前方配置有混合喷嘴。 纱线传导构件具有相应的纱线传导通道,第一和第二纱线通过该导纱通道被传送到混合射流。 每个纱线传导通道从构件的入口到出口的轴线是直线,没有弯曲或偏差。 纱线传导部件具有与相应的纱线传导通道相邻设置的刀片。 每个刀片具有限定切割边缘的通道和设置在叶片的通道和尖端之间的实心部分。 第一和第二刀可插入并从它们相邻的通道缩回。 在插入位置,刀具中的通道与其插入的通道对准,而在缩回位置,刀片的实心部分阻止通道,以防止纱线通过其移动。