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    • 3. 发明授权
    • Apparatus for depositing particulate material into a pad of fibrous
material in a forming chamber
    • 用于在成形室中将颗粒材料沉积到纤维材料垫中的装置
    • US4927346A
    • 1990-05-22
    • US348149
    • 1989-05-02
    • Thomas A. KaiserDouglas C. MulderDavid E. O'RyanDouglas A. SchneiderRodney L. Ward
    • Thomas A. KaiserDouglas C. MulderDavid E. O'RyanDouglas A. SchneiderRodney L. Ward
    • A61F13/15B05B7/14
    • B05B7/144A61F13/1565B05B7/1468B05B7/1477B05B7/1486
    • An apparatus for forming a non-woven pad consisting of fibrous material in which highly moisture-absorbent particles are intermixed with the fibrous material throughout a predetermined portion of the thickness of the non-woven pad. The non-woven pad is formed atop a conveyor moving through a chamber which has a duct connected to a source of vacuum operable to draw fibrous material injected into the chamber onto the conveyor. A spray gun or an extension thereof is positioned within the chamber relative to the fibrous material atop the conveyor, and is operated to discharge moisture-absorbent material at a predetermined velocity, such that the moisture-absorbent material is intermixed with the fibrous material throughout preferably a center layer of the thickness of the non-woven pad while forming boundary layers on either side of the center layer which are substantially free of moisture-absorbent material. The spray gun preferably operated intermittently to form spaced, sharply defined areas along the length and width of the non-woven pad wherein each area has moisture-absorbent material interspersed throughout a portion of the thickness thereof.
    • 一种用于形成由纤维材料组成的无纺布垫的装置,其中高度吸湿性颗粒与纤维材料混合在无纺布垫的厚度的预定部分内。 无纺布垫形成在运输通过腔室的输送机顶上,该腔室具有连接到真空源的管道,其可操作地将注入到腔室中的纤维材料拉到输送机上。 喷枪或其延伸部相对于传送器顶部的纤维材料定位在腔室内,并且以预定速度排放吸湿材料,使得吸湿材料优选与纤维材料混合在一起 在中心层的任一侧上形成基本上不含吸湿材料的边界层的无纺布衬垫的厚度的中心层。 喷枪优选间歇地操作以沿着无纺布垫的长度和宽度形成间隔开的明确限定的区域,其中每个区域具有散布在其厚度的一部分中的吸湿材料。
    • 4. 发明授权
    • Apparatus for transferring powder from bulk drums
    • 用于从散装鼓中转移粉末的装置
    • US4505623A
    • 1985-03-19
    • US419166
    • 1982-09-17
    • Douglas C. Mulder
    • Douglas C. Mulder
    • B65G53/24B05B7/14B65D88/66B65G53/26
    • B05B7/1445B65D88/66
    • Apparatus for emptying a drum of powdered material. The drum is mounted on a support at a 45.degree. angle to vertical. The drum has a cap having two holes and sleeves projecting into the drum from the holes. The sleeves are aligned with the bottom corner of the drum. A feed tube, loosely surrounded by a guide tube, is inserted through each of the sleeves into contact with the powder in the drum. Each feed tube has a vacuum pump which aspirates powder through the tube and out of the drum while atmospheric air passes between the feed and guide tubes to fluidize the powder. A vibrator is mounted on the support for the drum to continually vibrate the powder toward the lower ends of the feed tubes.
    • 用于清空粉末材料桶的装置。 滚筒以垂直于45度的角度安装在支架上。 滚筒具有一个具有两个孔的盖和从孔中突出到滚筒中的套筒。 袖子与鼓的底角对齐。 通过导管松动地包围的进料管穿过每个套筒插入与滚筒中的粉末接触。 每个进料管都有一个真空泵,当大气通过进料管和引导管之间以使粉末流化时,真空泵通过管吸出粉末并从滚筒中吸出。 振动器安装在用于滚筒的支撑件上,以使粉末朝向进料管的下端持续振动。
    • 6. 发明授权
    • Powder spray apparatus and powder spray method
    • 粉末喷雾装置和粉末喷雾法
    • US4600603A
    • 1986-07-15
    • US732375
    • 1985-05-09
    • Douglas C. Mulder
    • Douglas C. Mulder
    • B05B7/14B05D1/12
    • B05B7/1486
    • A powder spray gun and method of spraying powder wherein an inverted air flow amplifier is located adjacent to the inlet of the gun to enhance blending of powder within the gun and to facilitate sharp cut off and start up of powder flow from the gun. From the inverted air flow amplifier, the blended powder is supplied to a downstream air flow amplifier operable to draw ambient air into the downstream air flow amplifier and to impact the air entrained powder passing through the downstream amplifier with a high velocity stream of compressed air so as to accelerate the velocity of powder emitted from the gun. Powder is supplied to the upstream inverted air flow amplifier through a pair of intersecting inlet ports between which there is a separating baffle.
    • 粉末喷枪和粉末喷涂方法,其中倒置的气流放大器位于枪的入口附近,以增强枪内的粉末的混合,并且便于从喷枪的粉末流的急剧的切断和启动。 从倒置空气流量放大器中,将混合粉末供应到下游空气流量放大器,其可操作以将环境空气吸入下游空气流量放大器并且以高速度的压缩空气流冲击穿过下游放大器的空气夹带的粉末, 以加速从枪射出的粉末的速度。 粉末通过一对相交的入口提供给上游倒置空气流量放大器,在该反向空气流量放大器之间存在分离挡板。
    • 7. 发明授权
    • Powder spray gun
    • 粉喷枪
    • US5002229A
    • 1991-03-26
    • US97946
    • 1987-09-17
    • Douglas A. SchneiderRobert LehkyDouglas C. MulderRodney L. Ward
    • Douglas A. SchneiderRobert LehkyDouglas C. MulderRodney L. Ward
    • B05B7/06B05B1/00B05B7/14
    • B05B7/1486Y10S239/03
    • A powder spray gun comrpises a tubular housing having ambient air flow passages located in the side wall thereof medially of the opposite ends. A pair of air flow amplifiers are mounted in the housing on opposite sides of the ambient air flow passages and are so oriented that compressed air supplied to the upstream one of these amplifiers, the so called suspension amplifier, is operable to draw ambient air into the outlet end of the suspension amplifier, and compressed air supplied to the downstream amplifier, the so called pattern amplifier, is operable to draw ambient air into the inlet end of the pattern amplifier. The amplifiers are secured within the housing by end caps which are sealingly secured onto the ends of the housing by bayonet pin and slot connectors.
    • 粉末喷枪包括管状壳体,其具有位于相对端的中间侧壁中的环境空气流动通道。 一对气流放大器安装在壳体中的环境空气流动通道的相对侧上,并且被定向成使得供应到这些放大器中的上游侧的压缩空气(所谓的悬架放大器)可操作以将环境空气吸入 提供给下游放大器的压缩空气,即所谓的图形放大器,用于将环境空气吸入模式放大器的入口端。 放大器通过端盖固定在壳体内,端盖通过卡口销和插槽连接器密封地固定在壳体的端部上。
    • 9. 发明授权
    • Portable powder spray booth
    • 便携式粉末喷涂台
    • US4662309A
    • 1987-05-05
    • US854558
    • 1986-04-22
    • Douglas C. Mulder
    • Douglas C. Mulder
    • B05B5/08B05B7/14B05B15/04B05B15/12
    • B05B15/1251B05B15/1229B05B15/1292Y02P70/36Y10S55/46
    • A self-contained, compact and portable powder spray booth and powder recovery system includes a base unit, and a separate booth removably mounted upon the base unit which can be easily customized to accommodate articles of varying shape and size without changing the design of the base unit. When assembled, the booth and base unit form a powder coating chamber in which spray guns apply powder to moving articles. The articles enter and exit the powder coating chamber through openings which are shaped to accommodate the particular configuration of the articles to be coated. The systems for feeding powder to the spray guns, collecting oversprayed powder and filtering oversprayed powder are all contained within the base unit so that no exterior lines are required in the operation of the system except for a power line and an air line.
    • 独立的,紧凑的便携式粉末喷涂室和粉末回收系统包括基座单元和可移除地安装在基座单元上的单独的房间,其可以容易地定制以适应不同形状和尺寸的物品,而不改变基座的设计 单元。 组装后,展台和基座组成一个粉末涂料室,喷枪将粉末涂抹在移动的物品上。 制品通过成形为适应待涂覆制品的特定构型的开口进入和离开粉末涂料室。 用于将粉末送入喷枪的系统,收集过喷的粉末和过滤的过喷粉末都被包含在基本单元内,除了电力线和空气管线之外,在系统的操作中不需要外部线路。
    • 10. 发明授权
    • Mold masking apparatus and method
    • 模具掩模设备和方法
    • US4472451A
    • 1984-09-18
    • US459834
    • 1983-01-21
    • Douglas C. Mulder
    • Douglas C. Mulder
    • B05B5/08B05B5/12B05B15/04B05D1/06B05D1/32B29C33/00B29C37/00B29C41/00B29C41/08B29C41/36B29C43/00B29C43/20B05B5/02
    • B05B15/0412B05B1/202B05B5/12B29C37/0032B29C41/365B29C2791/006B29C41/006B29K2105/0863Y02P70/36
    • A method and apparatus is disclosed for powder coating the interior surface of a heated mold cavity. Electrostatically charged powder is sprayed upwardly onto the interior surface of a mold surrounded by a mask. The mask includes a shield located adjacent to but spaced from the shear edge of the mold. Additionally, the mask includes a vacuum duct located beneath the shield. While air is drawn into the vacuum duct air is either blown through the slot defined between the shield and the mold shear edge or air is pulled into the slot so as to prevent oversprayed powder from coming into contact with and adhering to the shear edge of the mold. There is no enclosure surrounding the mold cavity other than the mask because rising heated air currents entrap and maintain the cloud of sprayed powder interiorly of the mold cavity and the surrounding mask. Any oversprayed material escaping from the cavity is caught in the vacuum duct and carried to a powder collector.
    • 公开了用于粉末涂覆加热的模具腔的内表面的方法和装置。 将静电荷的粉末向上喷洒到由掩模包围的模具的内表面上。 掩模包括位于与模具的剪切边缘相邻但间隔开的屏蔽。 此外,掩模包括位于护罩下方的真空管道。 当空气被吸入真空管道中时,空气或者通过限定在屏蔽件和模具剪切边缘之间的狭槽吹送,或者空气被拉入槽中,以防止过度喷涂的粉末与其接触并粘附到 模子。 除了面罩之外,围绕模具腔的外壳没有外壳,因为上升的热气流夹带并将喷雾粉末保持在模腔和周围的面罩的内部。 从空腔排出的任何过度喷射的材料都被捕获在真空管中并被运送到粉末收集器。