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1.发明公开
公开(公告)号：EP3393749A1
公开(公告)日：2018-10-31
申请号：EP16826420.8
申请日：2016-12-20
发明人： BESSAC, Chrsitophe , ROUBY, Mickael
CPC分类号： B29C47/32 , B29C47/0019 , B29C47/06 , B29C47/085 , B29C47/56 , B29D30/52 , B29L2030/00
摘要： The invention concerns a coextrusion head (50) for coextruding a complex rubber profile section (20) for manufacturing a tyre. This head makes it possible to coextrude a sublayer and a tread with inserts. To this end, the head (50) comprises, from upstream to downstream: a) a first extrusion channel (60) separated into various sub-channels (60-1, 60-2, 60-3, 60-4), b) a first discontinuous profiling blade (62), c) a second extrusion channel (64) separated into various sub-channels (64-1, 64-2, 64-3, 64-4), d) a second discontinuous profiling blade (66) incorporating at least a third extrusion channel (68-1, 68-2, 68-3) in the extension of a separation element (72-, 72-2, 72-3), and e) a third profiling blade (74) comprising a tooth (74-1, 74-2, 74-3) projecting in front of and next to each outlet (70-1, 70-2, 70-3) of a third channel (68-1, 68-2, 68-3) in the transverse direction (DT1).
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公开(公告)号：EP3700731A1
公开(公告)日：2020-09-02
申请号：EP18789639.4
申请日：2018-10-19
发明人： ROUBY, Mickael , RABHI, Mohamed
IPC分类号： B29C48/35 , B29C48/49 , B29C48/18 , B29C48/305 , B29D30/00
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3.发明公开
公开(公告)号：EP3691882A1
公开(公告)日：2020-08-12
申请号：EP18778929.2
申请日：2018-10-02
发明人： RABHI, Mohamed , ROUBY, Mickael
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4.发明公开
公开(公告)号：EP3691858A1
公开(公告)日：2020-08-12
申请号：EP18792433.7
申请日：2018-10-01
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公开(公告)号：EP3688104A1
公开(公告)日：2020-08-05
申请号：EP18786841.9
申请日：2018-09-21
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公开(公告)号：EP3645236A1
公开(公告)日：2020-05-06
申请号：EP18762351.7
申请日：2018-06-28
发明人： ROUBY, Mickael , BESSAC, Christophe
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7.发明公开
公开(公告)号：EP3393748A1
公开(公告)日：2018-10-31
申请号：EP16826419.0
申请日：2016-12-20
发明人： BESSAC, Chrsitophe , ROUBY, Mickael
IPC分类号： B29C47/32 , B29C47/56 , B29C47/06 , B29C47/40 , B29C47/36 , B29C47/08 , B29L30/00 , B29D30/00
CPC分类号： B29C47/32 , B29C47/0019 , B29C47/06 , B29C47/085 , B29C47/366 , B29C47/369 , B29C47/402 , B29C47/56 , B29D30/52 , B29L2030/00
摘要： The invention relates to a method for co-extruding a complex rubber profile. Said method makes it possible to co-extrude a sub-layer of a first material and a tread of a second material with at least one insert (28) of a third material inserted into a discontinuity (D20) between the sub-layer and the tread. The method includes, in series, the steps of: a) discontinuously extruding the first material; b) profiling firstly the first material; c) discontinuously extruding the second material on the first material; d) discontinuously profiling the first and second materials and extruding the third material in each discontinuity (D20); and e) profiling finally the first, second and third materials with a longitudinal groove (26) in the profile (20) next to each insert (28) of the third material.
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