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    • 2. 发明授权
    • Apparatus to control the dispersion and deposition of chopped fibrous strands
    • 控制切碎的纤维束的分散和沉积的装置
    • US06325605B1
    • 2001-12-04
    • US09184575
    • 1998-11-02
    • Christopher J. ClementsDaniel F. HeislerKenneth M. Berry
    • Christopher J. ClementsDaniel F. HeislerKenneth M. Berry
    • D01G104
    • C03B37/16D04H1/732
    • An air cannon, formed by associating an air amplifier and an outlet cone with one another, receives chopped fibers and forcefully deposits the chopped fibers on a collection surface or web moving beyond an outlet end of the outlet cone. The air amplifier includes insert structure formed of an abrasion resistant material to prevent abrasive wear within the air amplifier caused by the chopped fibers. A binder is applied to the resulting mat of chopped fibers, the binder is activated by the application of energy with the resulting treated mat being compacted, cooled and rolled up to form a chopped strand mat package. For wide mats, one or more banks of air cannons extend across the moving collection web. The air cannons of each bank are alternately directed up-line and down-line of the web to reduce interference between the air cannons by means of L-shaped support rods which have generally horizontal and generally vertical legs which are separated from one another by acute and obtuse angles for up-line and down-line direction, respectively. The air cannons can also be individually adjusted to vary the aimed direction of the air cannons across the web by rotation of the generally horizontal legs of the L-shaped support rods. The air cannons forcefully direct chopped fibers to the web to overcome air turbulence within a forming hood and forces due to static electricity.
    • 通过将空气放大器和出口锥体相关联地形成的空气炮接收短切纤维,并将切碎的纤维强力地堆积在移出超出出口锥体的出口端的收集表面或幅材上。 空气放大器包括由耐磨材料形成的插入结构,以防止由短切纤维引起的空气放大器内的磨损。 将粘合剂施加到所得的短切纤维垫上,通过施加能量来活化粘合剂,所得到的经处理的垫被压实,冷却并卷起以形成切碎的基质垫包装。 对于宽垫,一个或多个空气炮组横跨移动的收集网。 每个组的空气炮交替地指向腹板的上下方向,以减小空气炮之间的干扰,借助于L形的支撑杆,其具有大致水平的和大致垂直的腿,它们通过急性 分别为上下线方向的钝角。 还可以单独地调节空气炮,以通过L形支撑杆的大致水平的腿的旋转来改变空气炮穿过腹板的目标方向。 空气炮强制将短纤维引导到腹板上,以克服成型罩内的空气湍流,并由静电引起的力。
    • 4. 发明授权
    • Collection and deposition of chopped fibrous strands for formation into
non-woven webs of bonded chopped fibers
    • 收集和沉积用于形成粘合短切纤维的无纺织物的短切纤维束
    • US5795517A
    • 1998-08-18
    • US646698
    • 1996-05-03
    • Daniel F. HeislerChristopher J. ClementsKenneth M. Berry
    • Daniel F. HeislerChristopher J. ClementsKenneth M. Berry
    • D04H1/60D01G1/04D04H1/70C03B37/16
    • D01G1/04D04H1/732
    • An air cannon (100), formed by associating an inlet cone (116), an air amplifier (104) and an outlet cone (124) with one another, receives chopped fibers and forcefully deposits the chopped fibers on a collection surface (102) or web moving beyond an outlet end (126) of the outlet cone (124). A binder is applied to the resulting mat (172) of chopped fibers, the binder is activated by the application of energy with the resulting treated mat (182) being compacted, cooled and rolled up to form a chopped strand mat package (194). For wide mats, one or more banks (130) of air cannons (100) extend across the moving collection web. The air cannons (100) of each bank (130) are alternately directed up-line and down-line of the web to reduce interference between the air cannons (100) by means of L-shaped support rods (136) which have generally horizontal and generally vertical legs (136H, 136V) which are separated from one another by acute and obtuse angles (140, 142) for up-line and down-line direction, respectively. The air cannons (100) can also be individually adjusted to vary the aimed direction of the air cannons (100) across the web by rotation of the generally horizontal legs (136H) of the L-shaped support rods (136). The air cannons (100) forcefully direct chopped fibers to the web to overcome air turbulence within a forming hood (170) and forces due to static electricity.
    • 通过使入口锥体(116),空气放大器(104)和出口锥体(124)彼此相关联而形成的空气加油枪(100)接收短切的纤维并将短切的纤维强力地沉积在收集表面(102)上, 或纸幅移动超过出口锥体(124)的出口端(126)。 将粘合剂施加到所得的短切纤维垫(172)上,通过施加能量来活化粘合剂,所得到的经处理的垫(182)被压实,冷却并卷起以形成切碎的基质垫包装(194)。 对于宽垫,空气炮(100)的一个或多个堤(130)延伸穿过移动的收集网。 每个堤坝(130)的空气炮(100)交替地指向幅材的上下线,以通过L形支撑杆(136)减小空气炮(100)之间的干涉,所述L形支撑杆(136)通常具有水平 以及大体上垂直的腿部(136H,136V),它们分别用于上下方向的锐角和钝角(140,142)。 也可以通过L形支撑杆(136)的大致水平的腿(136H)的旋转,单独地调节空气炮(100)以改变空气炮(100)穿过腹板的目标方向。 空气炮(100)强力地将短切的纤维导向网,以克服成型罩(170)内的空气湍流,并由静电引起的力。