The present invention is for a method of testing a seal on a collapsible tube dispensing orifice during the manufacturing process. Air pressure is applied on one side of the seal, and the pressure is monitored on the other side of the seal, for any increase in pressure which would indicate a leak in the seal.
申请公布号
CA2567577(A1)
申请公布日期
2007.06.29
申请号
CA20062567577
申请日期
2006.11.10
申请人
INTRAPAC (SWEDESBORO), INC.
发明人
BRENNAN, WILLIAM D.;SCHARTNER, CARL B.;HAYES, JOSEPH P.
