A triple-wall foam coextrusion apparatus in which inner and outer layers of one synthetic resin material are coextruded with an intermediate layer of another synthetic resin material, and wherein the passages (20,30) for the first material are inclined to the axis 0 min along which the second material is extuded around a spider (5) to ensure uniform flow.
申请公布号
DE3889891(D1)
申请公布日期
1994.07.07
申请号
DE19883889891
申请日期
1988.12.16
申请人
AMERICAN MAPLAN CORP., MCPHERSON, KAN.
发明人
SPENCE, STEVEN E., MCPHERSON KANSAS 67460;SHAMET, ROBERT F., MCPHERSON KANSAS 67460;DA SILVA, FLAVIO, MCPHERSON KANSAS 67460;EIGRUBER, HORST, MCPHERSON KANSAS 67460
