公开(公告)号：US3608144A

公开(公告)日：1971-09-28

申请号：US3608144D

申请日：1968-05-01

Applicant: BAYER AG

Inventor： DAMSKY WALTER ,  JOISTEN SIEGFRIED ,  SAJBEN JANOS

IPC: B29C47/08 ,  B29C69/00 ,  B29F3/00

CPC classification number: B29C47/0066 ,  B29C47/0009 ,  B29C47/003 ,  B29C47/08 ,  B29C2793/0027 ,  B29C2793/0063

Abstract: APPARATUS FOR PRODUCING A PLASTIC EXTRUDED ARTICLE HAVING A PRECISION CROSS-SECTIONAL PROFILE. THE APPARATUS COMPRISES AN EXTRUDER HAVING A FUSION SECTION, A COOLING SECTION AND A DIE SECTION. THE DIE SECTION IMPARTS TO THE EXTRUSION A PREDETERMINED CROSS-SECTIONAL PROFILE GREATER THAN THAT ULTIMATELY DESIRED. ALSO INCLUDED IS A CAVITY CUTTING TOOL PROVIDED WITH A PLURALITY OF SPACED CUTTING UNITS, POSITIONED ADJACENT THE EXTRUDER SO AS TO EMBRACE THE EXTRUSION IN ITS PATH LEAVING THE EXTRUDER, AND TO CUT DOWN THE OVERSIZED PROFILE TO THE DESIRED PRECISION PROFILE.