| 主权项 |
1. A rule drawer, comprising:
a drawing-head that comprises a multiple-orifice nozzle having an external tube with a plurality of peripheral orifices, the multiple-orifice nozzle fluidly associated to a cartridge containing a flexible material, the cartridge is associated with a pressure actuator used to encourage the flexible material out of the cartridge through a desirable peripheral orifice profile of the multiple-orifice nozzle; a moving mechanism; and a controller that controls the drawing-head and the moving mechanism; wherein the position of the desirable peripheral orifice profile is selected relative to a movement, caused by the moving mechanism, between the multiple-orifice nozzle and a surface onto which a surface-adhesive rule is drawn, and wherein pressure imposed by the pressure actuator on the flexible material operates to deposit the flexible material onto the surface, and the movement of the drawing-head relative to the surface operates to pull the flexible material through the desirable peripheral orifice profile for drawing a surface-adhesive rule, wherein the multiple-orifice nozzle further comprises an internal tube, wherein the relative positioning of the external and internal tubes of the multiple-orifice nozzle can be dynamically altered, and
further comprising one or more orifices located at the bottom of the multiple-orifice nozzle, wherein bottom of the multiple-orifice nozzle defines an opening that faces substantially parallel to the surface on which the surface-adhesive rule is drawn, and wherein one or more of the peripheral orifices together with one or more of the opening at the bottom create a continuous opening. |
