A heat sealing tool for sealing a lidstock to a rigid polymeric container comprising a well and a flange with a curved upper sealing surface and a lower surface wherein the tool comprises a first plate adapted to contact the lower surface of the flange and a second plate adapted to press the lidstock against the sealing surface of the flange, wherein the second plate is curved with substantially the same curvature as the sealing surface of the flange.
申请公布号
WO2007077533(A2)
申请公布日期
2007.07.12
申请号
WO2007IB00515
申请日期
2007.01.04
申请人
BAUSCH & LOMB INCORPORATED;SULLIVAN, JERRY;HENNESSY, EOIN;FAHY, KEVIN