公开(公告)号：US3747852A

公开(公告)日：1973-07-24

申请号：US3747852D

申请日：1971-09-02

Applicant: NORDSON CORP

Inventor： SCARBROUGH D ,  VILAGI B ,  NORD E ,  ROSEN S ,  RUNSTADLER P

IPC: B05B5/03 ,  B05B5/035 ,  B05B7/08 ,  A01N17/02 ,  A62C1/12

CPC classification number: B05B7/0815 ,  B05B1/042 ,  B05B5/03 ,  B05B5/035

Abstract: A method and apparatus for spraying paint and similar coatings. In one form the paint is sprayed at low pressure from a flat fan nozzle. A flat fan of air impinges upon the fan of paint at an angle of from 30*-70*. The air atomizes the paint to form a soft spray with low forward velocity. In another form of the method, two fans of paint are projected toward one another at an angle and an air fan is directed along the bisector toward the zone of intersection. The air fan atomizes both streams of paint. An electrode can be placed in the air stream to ionize the air stream which in turn charges the paint particles. The width of the paint spray pattern is varied by varying the included angle of the air fan. A spray gun is disclosed having two tubular paint nozzles for projecting two fan-shaped fans of paint. An air nozzle is mounted between the paint nozzles for projecting a fan of air against the paint fans to atomize the paint. The air nozzle is adjustable to provide air fans of different angles for varying the width of the paint spray pattern. An electrode is disposed in the air nozzle for ionizing the air stream. This electrode is energized through a resistor and flexible cable. The cable is spring-urged toward the resistor so that when the resistor is removed, the cable shifts causing a safety switch to open deenergizing the gun. When a nozzle mounting member is removed, the cable and surrounding tube are shifted forwardly to automatically close a valve to seal off the air and electrical conduits. Removable caps are provided on the ends of the tubular paint nozzles for facilitating cleaning of the nozzles.

Abstract translation: 一种用于喷涂油漆和类似涂层的方法和装置。 在一种形式中，油漆在低压下从平坦的风扇喷嘴喷射。 平面风扇以30°-70°的角度撞击在油漆风扇上。 空气雾化油漆以形成具有低向前速度的柔软喷雾。 在该方法的另一种形式中，两个油漆风扇以一定角度彼此相对地突出，并且风扇沿平分线朝向相交区域引导。 风扇使两股油漆雾化。 电极可以放置在空气流中以离子化气流，其又对涂料颗粒进行充电。 通过改变风扇的夹角来改变喷漆图案的宽度。

公开(公告)号：US3827603A

公开(公告)日：1974-08-06

申请号：US25889172

申请日：1972-06-01

Applicant: NORDSON CORP

Inventor： REIGHARD A ,  ROSEN S ,  SCHROEDER R ,  TAMNY S

IPC: B05C5/04 ,  B05B12/00 ,  B29B13/02 ,  B65B51/02 ,  F04B9/08 ,  F04B15/02 ,  F04B15/04 ,  B67D5/60

CPC classification number: B29B13/022 ,  B65B51/023

Abstract: An applicator system for melting thermoplastic material and supplying the molten or liquid material under pressure and at a controlled temperature to an applicator head or gun. The material is heated in a reservoir from which it is pumped to the applicator gun by a single-acting, sleeve-type piston pump. The pump is driven by a single-acting reciprocating air motor. There is an interlock valve associated with the air motor for controlling opening and closing of a valve of the gun. This interlock valve insures that the gun valve is never opened and molten material is never dispersed from the gun except when the molten material pressure is at a predetermined operating level.

Abstract translation: 一种用于熔化热塑性材料并在压力和受控温度下将熔融或液态材料供应到涂抹头或枪的涂抹器系统。 材料在储存器中被加热，通过单作用的套筒式活塞泵将其从泵送到施加器枪。 泵由单作用往复式气动马达驱动。 存在与气动马达相关联的联锁阀，用于控制枪的阀的打开和关闭。 该互锁阀确保枪阀从不打开，并且熔融材料不会从喷枪分散，除非熔融材料压力处于预定的操作水平。

公开(公告)号：US3827339A

公开(公告)日：1974-08-06

申请号：US14405571

申请日：1971-05-17

Applicant: NORDSON CORP

Inventor： ROSEN S ,  ROOD A ,  SCHARF D

IPC: F01B11/00 ,  F01B23/08 ,  F01B31/00 ,  F01B31/02 ,  F01L25/06 ,  F04B9/125 ,  F04B53/12 ,  F04B53/16 ,  F01B7/00

CPC classification number: F01B31/02 ,  F01B11/00 ,  F01B23/08 ,  F01B31/005 ,  F01L25/063 ,  F04B9/125 ,  F04B53/126 ,  F04B53/164

Abstract: A double acting hydraulic pump and air motor therefor including means for controlling the inlet and exhaust of air to and from the opposite sides of the piston in the air cylinder. The pump has a stepped diameter housing including an upper pump cylinder defining an outlet chamber for liquid and a lower pump cylinder received within the upper pump cylinder and defining an inlet chamber for liquid. A pump piston reciprocates in the two cylinders and is slidably received in two axially spaced stationary packing sleeves having a resilient spacer sleeve interposed axially therebetween. The spacer sleeve is formed of metal sheet adapted to deflect resiliently under load. The upper end of the upper pump cylinder is received within a recess in the lower end of the air motor housing. A retainer plate connected to the lower end of the air motor housing is provided with an opening to allow passage of the upper end of the upper pump cylinder and a pair of radially extending ears thereon. The pump housing is rotatable about its own longitudinal axis to align or misalign the ears and the opening and retain the pump housing to or release it from the motor housing.

Abstract translation: 一种双作用液压泵及其气动马达，包括用于控制空气进入和排出空气的活塞在气缸中的两侧的装置。 泵具有阶梯形直径壳体，其包括限定用于液体的出口室的上泵缸和容纳在上泵缸内的下泵缸，并限定用于液体的入口室。 泵活塞在两个气缸中往复运动，并且可滑动地容纳在两个轴向间隔开的固定衬垫套筒中，该固定衬套具有轴向介于其间的弹性间隔套筒。 间隔套筒由适于在负载下弹性偏转的金属板形成。 上泵筒的上端容纳在气动马达壳体的下端的凹部内。 连接到空气马达壳体的下端的保持板设置有允许上泵筒的上端和一对径向延伸的耳朵通过的开口。 泵壳体可围绕其自身的纵向轴线旋转以使耳朵和开口对准或不对准，并且将泵壳体保持或从电机壳体释放。

公开(公告)号：US3734406A

公开(公告)日：1973-05-22

申请号：US3734406D

申请日：1971-07-30

Applicant: NORDSON CORP

Inventor： RUNSTADLER P ,  NORD E ,  HASTINGS D ,  ROSEN S ,  SCARBROUGH D ,  WILHELM F

IPC: B05B7/04 ,  B05B7/00 ,  B05B7/08 ,  A01N17/02

CPC classification number: B05B7/1245 ,  B05B1/042 ,  B05B1/265 ,  B05B1/34 ,  B05B7/2489

Abstract: A method and apparatus for spraying a coating material such as paint, in a flat fan pattern. In the gun a stream of paint under a relatively low pressure is caused to flow in an annular film. Streams of gas at a slightly higher pressure are directed against the paint film so that the gas is sheared into microbubbles which are entrained in the paint stream to form a froth. The froth flows through a chamber in which the bubbles disperse uniformly in the paint and is then discharged through a narrow slit nozzle effective to give it a fan shape. As the froth is released to atmospheric pressure, the microbubbles of air expand rapidly and rupture, causing the paint to disintegrate into finely atomized drops. The apparatus includes a cooperating orifice plate and collar which define a thin annular paint flow channel; and a plurality of air injection channels which intersect the paint flow channel. Air is introduced through these channels and is directed against the paint film. In the preferred gun, the nozzle includes a hemispherical endwise portion provided with an elongated discharge slot. A protuberance or ball is disposed within the nozzle and deflects the froth so that the froth passes through a relatively narrow passageway between the ball and nozzle. A modified gun includes a conventional airless flat fan orifice; and does not utilize an internal ball.

Abstract translation: 一种用于以平坦的风扇图案喷涂涂料等涂料的方法和装置。 在枪中，使相对较低压力下的油漆流在环形膜中。 稍高压力的气体流被引导到漆膜上，使得气体被剪切成微气泡，其被夹带在涂料流中以形成泡沫。 泡沫流过其中气泡均匀分散在油漆中的室，然后通过有效地使其成为风扇形状的狭窄狭缝喷嘴排出。 当泡沫释放到大气压力时，空气的微泡迅速膨胀并破裂，导致油漆分解成细雾化的液滴。 该装置包括配合的孔板和套环，其限定薄的环形涂料流动通道; 以及与涂料流动通道相交的多个空气注入通道。 通过这些通道引入空气并且被引导到漆膜上。 在优选的喷枪中，喷嘴包括具有细长排出槽的半球形端部。 在喷嘴内设置突起或球，并使泡沫偏转，使得泡沫通过球和喷嘴之间相对狭窄的通道。 改进的喷枪包括常规的无空气扁平扇形孔; 并且不使用内部球。