| 摘要 |
PCT No. PCT/GB92/00156 Sec. 371 Date Oct. 27, 1993 Sec. 102(e) Date Oct. 27, 1993 PCT Filed Jan. 28, 1992 PCT Pub. No. WO92/12798 PCT Pub. Date Aug. 6, 1992.An electrostatic spray gun comprising a housing (32) for receiving a replaceable collapsible container, a nozzle (39) from which fluid is to be sprayed, squeeze grip mechanism (36, 35, 34) for compressing the container to feed fluid to the nozzle and high voltage contacts (38a, 38b) for applying electrostatic potential to the fluid such that the fluid issues from the nozzle in the form of an electrically charged atomized spray, wherein the nozzle (39) forms or is fed by a resealable delivery valve having inner (11) and outer valve members (12) with fluid fed to a gap between them by the compression of the container, from which gap the fluid emerges to form the spray and the gap being closable, desirably with a wipping, fluid-cleaning action, by relative movement of the members. |
