公开(公告)号：US3895261A

公开(公告)日：1975-07-15

申请号：US47604674

申请日：1974-06-03

Applicant: MERKIND ZALMAN ISAAKOVICH ,  MOSOLOV EVGENY MIKHAILOVICH

Inventor： MERKIND ZALMAN ISAAKOVICH ,  MOSOLOV EVGENY MIKHAILOVICH

IPC: B05B5/03 ,  H05B3/00

CPC classification number: B05B5/032

Abstract: Disclosure is made of an apparatus for the application of powdered materials onto an article in an electrostatic field, said apparatus having an electrically insulating housing communicating with a bin, said housing having a rotary screw conveyor disposed inside it, said screw conveyor being made of a dielectric material; said screw conveyor and the housing make up a channel for the supply of a powdered material from the bin to a pulverizer electrode made in the form of two coaxial cylindrical sleeves, one of said cylindrical sleeves being rigidly secured at the outlet end of the housing and having on its inner surface acicular pins arranged radially and pointing with their sharp ends toward an article being coated, whereas the other sleeve is disposed at the outlet end of the screw conveyor and is also provided with acicular pins arranged along the perimeter of the end face of the cylindrical sleeve, parallel to the screw conveyor axis, the sharp ends of said acicular pins pointing toward the article being coated; both said cylindrical sleeves are under an equal electric potential.

Abstract translation: 公开了一种用于在静电场中将粉末材料施加到物品上的装置，所述装置具有与箱连通的电绝缘壳体，所述壳体具有设置在其内的旋转螺旋传送器，所述螺旋输送机由 介电材料; 所述螺旋输送机和壳体构成用于将粉末材料从料箱供应到以两个同轴圆柱形套筒形式制成的粉碎机电极的通道，所述圆柱形套筒中的一个刚性地固定在壳体的出口端处， 在其内表面上具有径向布置的针状销，并且其尖端朝向被涂覆的制品指向，而另一个套筒设置在螺旋输送器的出口端处，并且还设置有沿着端面的周边布置的针状销 所述圆柱形套筒平行于所述螺旋输送机轴线，所述针状销的尖端指向被涂覆的制品; 两个所述圆柱形套筒都处于相等的电位。