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    • 1. 发明授权
    • Hot melt applicator and nozzle used therefor
    • 热熔胶嘴和喷嘴用于此
    • US5934521A
    • 1999-08-10
    • US144081
    • 1998-08-31
    • Takeo YamadaKatsuhiko KoikeNorihiro KuzuuIsao OnoShozo Yodo
    • Takeo YamadaKatsuhiko KoikeNorihiro KuzuuIsao OnoShozo Yodo
    • B05B1/30B05B7/12B05C5/00B05C5/02B05C5/04B67D5/00
    • B05B1/306B05B7/1272B05C5/001B05C5/0225
    • There is provided a hot melt applicator including (a) a nozzle opening, (b) a valve seat disposed upstream of the nozzle opening, (c) an empty chamber formed between the nozzle opening and the valve seat, (d) a valve body movable to the valve seat so that the valve seat is open or closed, and (e) a spring for biasing the valve body; and a pneumatically driven cylinder for driving the spring. The valve body is shaped to be a cone having an apex angle facing the nozzle opening, and the valve seat is formed with a tapered surface which is to make a contact with the cone. The tapered surface has an angle greater than the apex angle of the cone, and has a length of at least 1 mm. The hot melt applicator uses a pneumatically driven cylinder for driving the valve body to thereby compress the spring which in turn compresses the valve body, and thus, avoids the great resistance of hot melt with the spring used as a large capacity. By slightly changing angles of the valve body and the valve seat, the leakage which would occur when the valve is closed is prevented. By setting a length of the taper surface of the valve seat which is to make contact with the valve body to be in the range of 1 mm to 2 mm, the present invention makes it possible to prevent making of glue filament for a glue having great viscosity such as hot melt. In addition, setting a stroke of the valve body in the range of 0.3 mm to 0.5 mm ensures more effectively to prevent making of glue filament.
    • 提供了一种热熔体施加器,其包括(a)喷嘴开口,(b)设置在喷嘴开口上游的阀座,(c)形成在喷嘴开口和阀座之间的空腔,(d)阀体 可移动到阀座,使得阀座打开或关闭,和(e)用于偏压阀体的弹簧; 以及用于驱动弹簧的气动驱动气缸。 阀体成形为具有面向喷嘴开口的顶角的锥体,阀座形成有与锥体接触的锥形表面。 锥形表面的角度大于锥体的顶角,并且具有至少1mm的长度。 热熔胶器采用气动驱动气缸驱动阀体,从而压缩弹簧,弹簧又压缩阀体,从而避免了与大容量弹簧相比的热熔胶的极大阻力。 通过稍微改变阀体和阀座的角度,可以防止当阀门关闭时发生的泄漏。 通过将与阀体接触的阀座的锥形表面的长度设定在1mm至2mm的范围内,本发明使得可以防止用于具有大的胶的胶丝长度 粘度如热熔。 此外,将阀体的行程设定在0.3mm至0.5mm的范围内,确保更有效地防止了胶丝的制造。
    • 10. 发明授权
    • Method of molding cementitious material
    • 水泥材料成型方法
    • US4160003A
    • 1979-07-03
    • US856588
    • 1977-12-01
    • Mikio KozukaIsao OnoTakashi Fukuwatari
    • Mikio KozukaIsao OnoTakashi Fukuwatari
    • B28B7/34B28B7/36B28B7/44B28B1/26
    • B28B7/44B28B7/342B28B7/346B28B7/36Y10S264/78
    • A method is disclosed of molding a cementitious material within a mold having a filler material bed, the configuration of which is maintained by means of suction applied through a filter disposed within the mold frame. A shield layer can be formed upon a surface of the filler material bed having air permeability so as to impart a desirable shape thereto, and the filler material is fixed under reduced pressure conditions within the mold so as to form a molding mold, whereupon the cementitious material may be charged into the mold so as to set therein. It is also possible to achieve the method of the present invention by charging a cementitious material within a molding mold having a desirable configuration, forming a filler material bed having good air permeability with or without a shield layer disposed upon the cementitious material, and preparing a hardening mold, under reduced pressure conditions, beneath the filler material bed.
    • 公开了一种在具有填充材料床的模具内模制胶结材料的方法,该填充材料床的结构通过通过设置在模具框架内的过滤器施加的抽吸来保持。 可以在具有透气性的填充材料床的表面上形成屏蔽层以赋予其所需的形状,并且将填充材料在减压条件下固定在模具内,从而形成模制型材 材料可以装入模具中以便在其中设置。 也可以通过在具有期望构造的模制模具中填充水泥材料来形成本发明的方法,形成具有或不具有设置在水泥质材料上的屏蔽层的具有良好透气性的填充材料床,以及制备 在减压条件下,在填料材料床下方硬化模具。