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    • 21. 发明授权
    • Roving blending for making sheath/core spun yarn
    • 纺纱混纺,制作护套/芯纱
    • US4711079A
    • 1987-12-08
    • US824788
    • 1986-01-31
    • Feaster H. NewtonKenneth Y. Wang
    • Feaster H. NewtonKenneth Y. Wang
    • D02G3/36D02G3/04D01H5/00D02G3/38
    • D02G3/367
    • A ring spun yarn having good core cohesiveness, and complete sheath covering, the sheath comprising first fibers, such as cotton, and the core comprising second fibers having distinctly different properties than the first fibers, such as polyester, is produced. A sliver of first fibers and a roving of second fibers are fed to a drafting apparatus so that the roving is at the exact center line of, and on top of, the sliver. The roving and sliver are passed together through the rear rolls, apron, and front rolls of the drafting apparatus to produce a drafted composite sliver. Twist is imparted mechanically to the drafted composite sliver to produce a roving having a core and sheath. Then the roving is further drafted and twist is mechanically imparted thereto, producing a final core/sheath yarn. The sliver and roving are fed to the drafting apparatus with the roving at the exact center line position by passing them through a trumpet having a sliver guiding element with a generally oval shaped exit opening having about a 3-1 width to height ratio, and the roving guiding element is mounted on top of the sliver guiding element.
    • 一种具有良好的核心内聚力的环锭纺纱线和完整的护套覆盖层,该护套包括第一纤维,例如棉花,并且包含具有与第一纤维例如聚酯具有明显不同性能的第二纤维的纤维素。 第一纤维的纱线和第二纤维的粗纱被送入牵伸装置,使得粗纱处于条子的准确中心线上,并且在纱条的顶部。 粗纱和条子通过牵引装置的后辊,围裙和前辊一起通过,以产生起草复合纱条。 扭曲机械地赋予起草复合纱条以产生具有芯和鞘的粗纱。 然后进一步将粗纱进行牵伸,并机械地赋予粗纱,产生最终的芯/鞘纱。 通过将纱条和粗纱通过带有具有大致椭圆形的出口开口的条子引导元件的喇叭通过小号,将纱条和粗纱以精确的中心线位置送入牵伸装置,粗纱具有大约3-1的宽高比, 粗纱引导元件安装在纱条引导元件的顶部。
    • 24. 发明授权
    • Duo-functional nonwoven material
    • 双功能非织造材料
    • US5397625A
    • 1995-03-14
    • US983103
    • 1992-11-24
    • D. Keith OsteenHannong RhimLawrence H. SawyerE. G. VaronaM. Chris WanekKenneth Y. Wang
    • D. Keith OsteenHannong RhimLawrence H. SawyerE. G. VaronaM. Chris WanekKenneth Y. Wang
    • B32B5/26D04H13/00B32B3/10B32B5/02B32B5/22B32B7/00
    • B32B5/26D04H1/42D04H1/4309D04H1/4374D04H3/045Y10T428/24339Y10T442/159Y10T442/197Y10T442/3756Y10T442/3976Y10T442/668Y10T442/696Y10T442/697
    • Disclosed herein is a duo-functional nonwoven composite having a support layer with a top surface and a bottom surface separated by a thickness. On the bottom surface of the support layer is a fibrous nonwoven web with all or a portion of the fibers being formed from a material which is soluble in a fluid such as water. At least a portion of the fibers extend through the thickness of the support layer from the bottom surface and project beyond the top surface to give the top surface a cloth-like appearance. Upon wetting the top surface of the support layer by a fluid such as water, urine or menses, the soluble fibers begin to shrink and dissolve until all or a portion of the filaments have retracted back into and through the thickness of the support layer. In so doing, the applied fluid is transported substantially away from the top surface of the composite. As a result, when the material of the present material is used as a liner material for personal care products, it initially provides a surface which is more cloth-like and comfortable to the wearer. However, after being insulted, the soiled portion of the nonwoven dissolves and retracts back into the composite thereby giving a cleaner, dryer appearance as is more commonly found when using films.
    • 本文公开了一种双功能非织造复合材料,其具有顶部表面和底部表面被分隔一厚度的支撑层。 在支撑层的底表面上是纤维非织造纤维网,其全部或部分纤维由可溶于诸如水的流体的材料形成。 纤维的至少一部分从底表面延伸穿过支撑层的厚度并突出超过顶表面,以使顶表面呈布状外观。 在通过诸如水,尿液或月经之类的流体润湿支撑层的顶表面时,可溶性纤维开始收缩和溶解,直到全部或一部分细丝缩回并穿过支撑层的厚度。 这样做时,所施加的流体基本上远离复合材料的顶表面。 结果,当本材料的材料用作个人护理产品的衬垫材料时,其最初提供了更为布状且对穿着者舒适的表面。 然而,在被污染之后,非织造材料的污染部分溶解并缩回到复合材料中,从而产生更干净的干燥器外观,如在使用膜时更常见的那样。
    • 25. 发明授权
    • Method vortex action yarn hairiness reduction
    • 方法漩涡作用纱毛羽减少
    • US4858288A
    • 1989-08-22
    • US719129
    • 1985-04-02
    • John B. HodginJohn H. SumnerKenneth Y. Wang
    • John B. HodginJohn H. SumnerKenneth Y. Wang
    • D02J3/00
    • D02J3/00
    • Yarn hairiness is reduced by employing a vortex action of a fluid, such as air or steam. Yarn in a substantially dry condition is passed in a generally linear path through a body having a central through-extending generally linear passageway that is circular in cross-section. A plurality of bores are provided in the body which extend from the periphery of the body to intersect the central passageway, being tangentially disposed with respect to the central passageway. Fluid under pressure is introduced into the bores, and creates a vortex action which acts upon the yarn to twist and lay down protruding hairs that cause yarn hairiness. The bores are preferably disposed at an angle of about 40.degree.-50.degree. with respect to the central passageway, and are spaced along the length of the passageway. Shortly after the yarn exits the body, hot melt sizing is applied to it to maintain the protruding hairs in their laid down position.
    • 通过采用诸如空气或蒸汽之类的流体的涡流作用来减少纱线毛羽。 在基本干燥的条件下的纱线通过具有中心通过延伸的大致直线的通道的主体,该主体具有圆形的横截面。 在主体中设置有多个孔,其从主体的周边延伸以与中心通道相交,相对于中心通道切向设置。 在压力下的流体被引入到孔中,并且产生作用于纱线的涡流作用,以扭转和铺放引起纱线毛羽的突出毛发。 孔优选地相对于中心通道以约40°-50°的角度设置,并且沿着通道的长度间隔开。 在纱线离开身体后不久,施加热熔胶上浆以将突出的毛发保持在放置位置。
    • 26. 发明授权
    • Wet/dry bulb hygrometer with automatic wick feed
    • 湿/干球湿度计带有自动吸油芯
    • US4175436A
    • 1979-11-27
    • US937199
    • 1978-08-28
    • William B. CrawfordVernon T. DanielKenneth Y. Wang
    • William B. CrawfordVernon T. DanielKenneth Y. Wang
    • G01N19/10G01N25/62
    • G01N25/62
    • A wet/dry bulb hygrometer of the psychrometer type is used for monitoring and/or controlling humidity of a gaseous fluid having contaminants therein. The wet bulb sensor of the hygrometer is provided with a wick which is movable over the wet bulb sensor so that a fresh wicking surface is presented to the gas stream and contaminants will not render the sensor useless for accurate measurements. The hygrometer is used to monitor and/or control humidity and temperature in a textile processing environment wherein lint, fumes, condensable oils, tints and resins would tend to foul a stationary wick of a web bulb sensor and, consequently, a wick material is moved into and through the hygrometer over the wet bulb sensor and then out of the hygrometer, thus, always presenting a fresh wicking surface for the gaseous fluid stream.
    • 湿度/干湿计湿度计用于监测和/或控制其中具有污染物的气态流体的湿度。 湿度计的湿球传感器设置有可在湿球传感器上移动的芯,使得新鲜的芯吸表面被呈现给气流,并且污染物将不会使传感器无用于精确的测量。 湿度计用于监测和/或控制纺织品处理环境中的湿度和温度,其中棉绒,烟雾,可冷凝油,着色剂和树脂将倾向于污染网状灯泡传感器的固定芯,因此,芯材料被移动 进入并穿过湿球传感器上的湿度计,然后进出湿度计,因此总是呈现用于气态流体流的新的吸湿表面。
    • 28. 发明授权
    • Baffle having zoned water vapor permeability
    • 挡板已划分水蒸汽渗透性
    • US4713069A
    • 1987-12-15
    • US925446
    • 1986-10-31
    • Kenneth Y. WangRichard S. Yeo
    • Kenneth Y. WangRichard S. Yeo
    • A61F13/15A61L15/24A61F13/16
    • A61F13/51484A61F13/51462A61L15/24A61F2013/51411A61F2013/51443
    • A baffle having a central zone extending along at least a portion of its length,A. the central zone being impermeable to menses under a static pressure of from about 1 to about 3 psi for a period of at least about one hour and having a water vapor transmission rate at 37 degrees C. and about 50 percent relative humidity of from about 50 to about 2,5000 g/m.sup.2 /24 hours,B. with the non-central zone portions of the baffle being impermeable to menses under a dead weight pressure of from about 0.1 to about 1 psi for a period of at least about one hour and having a water vapor transmission rate at 37 degrees C. and about 50 percent relative humidity of from about 1,500 to about 5,000 g/m.sup.2 /24/ hours;with the proviso that the water vapor transmission rate of the central zone is less than that of the non-central zone portions of the baffle.In preferred embodiments, the baffle is constructed from a nonwoven web, such as a meltblown web, or a laminate of two or more layers of nonwoven webs, such as a spunbonded-meltblown laminate, and the central zone includes an additional layer which is a continuous film of a poly(vinyl alcohol).
    • 挡板具有沿着其长度的至少一部分延伸的中心区域A.中心区域在约1至约3psi的静态压力下不可渗透至少约1小时的时间并具有水 蒸气透过率为37℃,约50%相对湿度为约50至约2,5000g / m 2/24小时,B.挡板的非中心区部分在静止时不透水 压力为约0.1至约1psi,持续至少约1小时,水蒸气透过率为37℃,约50%相对湿度为约1,500至约5,000g / m 2/24 /小时 ; 条件是中心区域的水蒸汽透过率小于挡板的非中心区域部分的水蒸气透过率。 在优选实施例中,挡板由非织造纤维网(例如熔喷纤维网)或两层或更多层非织造纤维网(例如纺粘 - 熔喷层压板)的叠层构成,并且中心区域包括附加层,其为 连续的聚(乙烯醇)膜。