| 摘要 |
<p>A mixing and dispensing gun (10) with a valve body (18) containing a pair of liquid inlets (121), a pair of separate liquid outlets (123), a gas outlet (174) and a removable mixing and dispensing nozzle (24). The nozzle (24) contains the ingredients while they are being mixed and a gas outlet (83) is positioned within the nozzle (24) so as to propel the mixed ingredients to the application area. The nozzle (24) and gun body (12) include cooperating inlet and outlet ports such as nipples (122, 124, 126) and recesses to permit alignment and sealing when the nozzle (24) is positioned for use. A gas valve (32) is arranged so that it may be operated simultaneously or in sequence with a liquid valve (30).</p> |
