DISPENSER FOR TWO-COMPONENT SPRAY POLYURETHANE FOAM THAT ARE FREE OF GASEOUS BLOWING AGENTS
摘要
A dispenser comprises a housing defining at least three feed channels, a spool valve with a spool defining at least three flow passages, a deformable sealing plug in at least two of the feed channels and in sealing orientation with both the housing and the spool, and a nipple in at least the two feed channels of the housing comprising sealing plugs; wherein the spool can reversibly rotate between an open orientation and a closed orientation can dispense two-component form formulations that are free of gaseous blowing agents.
申请公布号
CA2961091(A1)
申请公布日期
2016.03.24
申请号
CA20142961091
申请日期
2014.09.15
申请人
DOW GLOBAL TECHNOLOGIES LLC
发明人
HECKERT, MICHAEL F.;SCHULZ, PETER J.;SCHROER, DANIEL R.;TURPIN, MATTHEW J.;STEWART, GREGORY T.;CAI, YEIN JIE