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    • 2. 发明授权
    • Wood fiber board and manufacturing method thereof
    • 木纤维板及其制造方法
    • US08936855B2
    • 2015-01-20
    • US13272335
    • 2011-10-13
    • Makoto KimuroHiromasa SinkaiKenji Takeshita
    • Makoto KimuroHiromasa SinkaiKenji Takeshita
    • B32B23/04
    • D21J1/18Y10T428/249925Y10T428/31986
    • Provided is a wood fiber board, and a production method thereof, such that the wood fiber board contains no phenolic resin, is simple to produce, and exhibits flexural strength and water resistance comparable to those of wood fiber boards produced by incorporating a phenolic resin. The wood fiber board of the present invention has only wood fibers; a polyacrylamide resin being an amphoteric-ionic resin, which has monomers having cationic groups and monomers having anionic groups at a ratio of 7:3 to 3:7 on a mole ratio basis, and which has a molecular weight ranging from 800,000 to 3,000,000; and cationic paraffin. A method of producing a wood fiber board of the present invention involves preparing a slurry to a solids concentration ranging from 2 to 3 wt % and pH of 3 to 5, and adding only the polyacrylamide resin and paraffin to the slurry.
    • 本发明提供一种木纤维板及其制造方法,使得木质纤维板不含酚醛树脂,制造简单,并且具有与通过掺入酚醛树脂制造的木纤维板相当的抗弯强度和耐水性。 本发明的木纤维板仅具有木纤维; 具有阳离子基团的单体的聚丙烯酰胺树脂和摩尔比为7:3〜3:7的阴离子性基团的单体,分子量为80万〜300万; 和阳离子石蜡。 本发明的木纤维板的制造方法包括将浆料制备成固体浓度为2〜3重量%,pH为3〜5,仅将聚丙烯酰胺树脂和石蜡加入到浆料中。
    • 5. 发明授权
    • Method of forming a reconstituted wood block
    • 形成复原木块的方法
    • US08852736B2
    • 2014-10-07
    • US12992866
    • 2009-05-07
    • Jianping SongPete Nichols
    • Jianping SongPete Nichols
    • B32B5/16
    • B27N3/04Y10T428/249921Y10T428/25Y10T428/253Y10T428/2982Y10T428/31986Y10T428/662
    • A method of forming a reconstituted wood block can include providing a recovered wood having a high aspect ratio along wood grains of the recovered wood. The recovered wood can be radially crushed or obtained as strips of recovered veneer. The recovered wood can be pretreated to increase resin absorption to form a degreased wood. The degreased wood can then be dried sufficient to reduce a moisture content to produce a dried wood. The dried wood can be soaked in a resin solution to form a resin impregnated wood. The resin impregnated wood can be dried to reduce the moisture content without substantially curing the resin to form a dried resin impregnated wood. The dried resin impregnated wood can then be molded having wood fibers oriented in a non-random predetermined pattern substantially common direction and compacted to form an uncured molded wood. The pattern can be oriented along a substantially common direction or portions may be oriented transverse to others to obtain a knotted appearance. The uncured molded wood can then be cured to form the reconstituted wood block.
    • 形成复原木块的方法可以包括提供回收木材沿木纹具有高纵横比的回收木材。 回收的木材可以径向压碎或获得为恢复的单板的条。 可以对回收的木材进行预处理以增加树脂吸收以形成脱脂木材。 然后可以将脱脂的木材干燥以足以减少含水量以产生干燥的木材。 干燥的木材可以浸渍在树脂溶液中以形成树脂浸渍木材。 可以干燥树脂浸渍的木材以降低水分含量,而基本上不固化树脂以形成干燥的树脂浸渍木材。 然后可以将经干燥的树脂浸渍的木材模制成具有以非随机预定图案基本上共同方向取向的木纤维,并压实以形成未固化的模制木材。 图案可以沿着基本上共同的方向定向,或者部分可以横向于其他方向定向以获得打结外观。 然后可以将未固化的模制木材固化以形成复原的木块。
    • 6. 发明授权
    • Wet friction member and its manufacturing method
    • 湿摩擦件及其制造方法
    • US08765266B2
    • 2014-07-01
    • US13563039
    • 2012-07-31
    • Atsushi SuzukiMasataka KawabataMasami HataShoji Toida
    • Atsushi SuzukiMasataka KawabataMasami HataShoji Toida
    • B32B23/04
    • D21H17/67D21H21/18F16D69/026F16D2200/0095Y10T428/25Y10T428/2982Y10T428/31971Y10T428/31986Y10T428/31989Y10T428/31993
    • A wet friction member contains a pulverized cork heated to 150-200° C. if necessary. The pulverized cork is mixed with other papermaking materials and formed into a paper-made substrate. The paper-made substrate is impregnated with a synthetic resin to be a binder and heated and cured. The cork itself has a high friction coefficient μ. Moreover, a powder thereof increases surface area and area in contact with a separator plate of a counter member, thereby improving a friction coefficient of a friction surface of the wet friction member. The friction coefficient of the cork itself and capacities for absorbing and discharging oil are improved by heating the cork. Thus, there is provided a wet friction member that has a higher friction coefficient μ. An increase in the friction coefficient μ, weight reduction by reducing the number of friction members, and high efficiency are achieved when used as a wet friction member.
    • 如果需要,湿摩擦构件包含加热至150-200℃的粉碎软木塞。 将粉碎的软木与其他造纸材料混合并形成纸制基材。 用合成树脂浸渍造纸基材作为粘合剂并加热固化。 软木本身具有高摩擦系数μ。 此外,其粉末增加与对置构件的隔板接触的表面积和面积,从而提高湿摩擦构件的摩擦面的摩擦系数。 软木本身的摩擦系数和吸收和排出油的能力通过加热软木来提高。 因此,提供了具有较高摩擦系数μ的湿摩擦构件。 当用作湿摩擦构件时,实现摩擦系数μ的增加,减少摩擦构件的数量和高效率。