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    • 48. 发明公开
    • Method of feeding an apparatus simultaneously with at least two streams of thermoplastic materials, and feeding device for implementing the method
    • 一种用于同时供给热塑性材料的至少两个流的装置和用于执行该方法供给装置的方法
    • EP2179830A1
    • 2010-04-28
    • EP08018362.7
    • 2008-10-21
    • LA SEDA DE BARCELONA S.A.
    • Verheyen, Luc
    • B29C31/10B29C47/10B29C45/18B29B7/60
    • B29C31/10B29B7/42B29B7/60B29C31/02B29C45/1866B29C45/54B29C45/74B29C47/0004B29C47/0009B29C47/1081B29C47/54B29C47/6018B29C47/788B29C47/822B29C2045/466B29K2067/00B29K2077/00B29K2105/0005
    • The device (1) is used for feeding an apparatus by gravity simultaneously with at least two streams (ST1, ST2) of solid-state thermoplastic materials (A, B). Said device (1) comprises an inner cooled feeding pipe (10), and an outer feeding pipe (11). At least a lower part (10a) of the said inner cooled feeding pipe (10) is positioned inside the outer feeding pipe (11), with a flowing space (E) between the two pipes (10, 11) for allowing the flow of one stream (ST1) of thermoplastic material (A). The outer feeding pipe (11) comprises an inlet opening (11b) for the introduction of the first stream (ST1) of thermoplastic material (A) inside the said flowing space (E) and a bottom outlet opening for dropping the first stream (ST1) of thermoplastic material (A) outside the outer pipe. the inner cooled feeding pipe (10) comprises an inlet opening (100a) for the introduction of the other stream (ST2) of thermoplastic material (B) inside the inner cooled pipe (10) and a bottom outlet opening (10c) for dropping the second stream (ST2) of thermoplastic material (B) outside the inner pipe (10).
    • 所述装置(1)用于通过重力与固态的热塑性材料中的至少两股流(ST1,ST2)同时进料至装置(A,B)。 所述装置(1)包括内冷却进料管(10),和在外侧进料管(11)。 在所述内的至少一个下部(10a)的冷却进料管(10)被定位在所述外进料管(11)内,与两个管之间流动的空间(E)(10,11),用于允许流 一个流的热塑性材料(A)的(ST1)。 外进料管(11)的入口开口的方法包括:(11B)用于所述流动空间(E)和一个底部出口开口,用于丢弃所述第一流内的引入热塑性材料(A)的第一个流(ST1)的(ST1 )所述外侧管的外部的热塑性材料(A)的。 内冷却滴进给管(10)的入口开口(100A)用于引入内冷却的管(10)和底部出口开口(10c)的内侧热塑性材料(B)的另一流(ST2)中的每个包括 第二流的内管(10)的外部的热塑性材料(B)的(ST2)。