A pump adapted for coupling in a fluid circuit between a source of coating material and a dispensing device. The pump includes an operating member which extends through a pump housing to a location adjacent the fluid circuit. The passage of the operating member to a location adjacent the fluid circuit includes a seal system permit operation of the pump while reducing the likelihood of leakage of the coating material from the circuit out of the housing along the operating member. The seal system includes at least first and second seals defining between them a flushable seal chamber facing a pump chamber containing the coating material being pumped.
申请公布号
WO2010132154(A3)
申请公布日期
2011.05.12
申请号
WO2010US29906
申请日期
2010.04.05
申请人
ILLINOIS TOOL WORKS INC.;SCHAUPP, JOHN F.;SELMEK, MARTIN J.