| 摘要 |
2129900 9413575 PCTABS00032 Dispensing apparatus capable of dispensing a wide variety of fluids, such as adhesives, is provided. The structure of the apparatus allows it to be miniaturized, thereby facilitating its use for many applications. The apparatus includes a cylindrical housing (12) in which a slide (14) is mounted. The housing includes a fluid reservoir (18) which is supplied with pressurized fluid. A longitudinal passage (20) extends through the slide for providing this fluid to the reservoir (18). A bellows seal (42) is employed for sealing off an actuating mechanism from the reservoir. The seal is connected between the slide (14) and a support fixedly mounted to the housing. A valve mechanism (24, 26) is provided at one end of the housing for controlling the flow of fluid from the reservoir. The valve mechanism (24, 26) is directly or indirectly responsive to the slide. Fluid may be caused to flow through the valve mechanism either by fluid pressure or by positive displacement.
|
