METHOD OF CALIBRATION OF THE COEXTRUDED MULTILAYER EXTRUDED PROFILES FROM THE THERMOPLASTIC MATERIALS,申请号CS19760005124-传众专利搜索

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发明名称	METHOD OF CALIBRATION OF THE COEXTRUDED MULTILAYER EXTRUDED PROFILES FROM THE THERMOPLASTIC MATERIALS
摘要	A process for sizing an extruded thermoplastic structure or member formed by coextrusion of a core profile of one thermoplastic material and a cover layer of another thermoplastic material provided over a portion of the periphery of the core profile which includes the steps of sizing the extruded plastic structure in the external cross sectional dimensions, cooling during the sizing step the structure and effecting a different temperature control of the cooling of the cross section of the profile depending upon the thermoplastic material being cooled. The thermoplastic material having the higher Vicat softening temperature being more gradually cooled than the one having a lower Vicat softening temperature.
申请公布号	CS194773(B2)	申请公布日期	1979.12.31
申请号	CS19760005124	申请日期	1976.08.05
申请人	DYNAMIT NOBEL AG.,DE	发明人	WISSINGER,WALDEMAR,DE;GAUCHEL,PETER,DE
分类号	B29B7/00;B29C47/00;B29C47/02;B29C47/06;B29C47/88;B29C47/90;B29C47/92;B29L9/00	主分类号	B29B7/00
代理机构		代理人
主权项
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