专利名称：MOLD HAVING A BREATHABLE RELEASE
SHEET ACROSS THE TOP
发明人：WILHEIM M,US申请号：US37711673申请日：19730706公开号：US3844523A公开日：19741029
摘要：Mold, particularly for rigid polyurethane foam articles having finished texturedsurfaces on all sides thereof comprising a female mold having a recess into which theunreacted and unblown resin system is deposited and a cover for closing the moldtogether with a release sheet structure disposed therebetween exhibiting sufficient gasporosity to enable complete venting of air displaced by the rising foam in the productionof a finished surface thereat and method of molding therewith.
申请人：WILHEIM M,US
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