A drain seal (10) for rapidly sealing the apertures (94) in a drain grate (93), the drain seal (10) composed of a mat of polymeric material and having of opposing sealing surfaces (11, 12) and internally disposed reinforcement members (21) to increase structural integrity.
申请公布号
WO03025346(A3)
申请公布日期
2004.04.01
申请号
WO2002US28989
申请日期
2002.09.12
申请人
SHAW, MARK, D.;HEYMAN, J., TAD;BIERCE, LAURENCE, M.
发明人
SHAW, MARK, D.;HEYMAN, J., TAD;BIERCE, LAURENCE, M.
