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公开(公告)号：EP2032331A1
公开(公告)日：2009-03-11
申请号：EP07730046.5
申请日：2007-06-11
发明人： GRUNITZ, Otto
CPC分类号： B29C47/585 , B29C45/18 , B29C45/74 , B29C47/0023 , B29C47/10 , B29C47/1018 , B29C47/786 , B29C47/92 , B29C2947/92142 , B29C2947/92209 , B29C2947/92314 , B29C2947/92371 , B29C2947/924
摘要： The present invention relates to a worm extruder and/or an extruder for processing plastic materials and plastic mixtures pursuant to the preamble of claim 1. So as to further develop a worm extruder (1) comprising a screw cylinder (2) and a worm shaft (3) rotatably driveable therein, wherein the screw cylinder (2) in an end region comprises a feed opening (6) for supplying plastic material or mixtures of a plurality of plastic materials and/or additives, the materials being present as bulk material (7), via a filling shaft (9) and at least one cooling device (K) is provided in a section of the screw cylinder (2) adjoining the feed opening (6), while increasing the efficiency of the cooling process, lowering the operating costs and increasing the operational reliability, it is proposed to provide an active heat barrier (14) in the region of the filling shaft (9), the barrier comprising electrically controllable means for heat dissipation.
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2.发明公开SPRITZGIESSMASCHINE MIT EINER IM BEREICH DER EINFÜLLZONE ANGEORDNETEN LUFTGEBLÄSEKÜHLEINRICHTUNG 审中-公开在风机进料区注塑机ARRANGED冷却装置
公开(公告)号：EP2988916A1
公开(公告)日：2016-03-02
申请号：EP14723372.0
申请日：2014-04-28
发明人： GRUNITZ, Otto , LANG, Stefan
CPC分类号： B29C47/788 , B29C45/62 , B29C45/74 , B29C47/822 , B29C47/92 , B29C2947/92704 , B29C2947/92866 , B29C2947/92876 , B29C2947/92895
摘要： A plastics processing machine, in particular an injection-moulding machine, with a plasticizing cylinder (1), comprises a filling zone (3), in which the plastics material to be plasticized is introduced into the interior space (10) of the plasticizing cylinder (1), a plasticizing zone (4), adjoining the filling zone (3), a temperature-control device (11), arranged in the region of the filling zone (3), for the plastics material to be introduced, and a heating device (6), arranged in the region of the plasticizing zone (4), for the plastics material, wherein the temperature-control device of the filling zone (3) is formed as a fan-air cooling device (11).
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公开(公告)号：EP2046554B1
公开(公告)日：2015-09-09
申请号：EP07787377.6
申请日：2007-07-11
发明人： GRUNITZ, Otto
CPC分类号： B29C45/5008 , B29C45/1777 , B29C45/74 , B29C45/7666 , B29C2045/1792 , B29C2045/5024 , B29C2045/5028 , B29C2045/504 , B29C2045/5076 , B29C2045/7673 , Y02P70/261
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公开(公告)号：EP2032331B1
公开(公告)日：2012-04-18
申请号：EP07730046.5
申请日：2007-06-11
发明人： GRUNITZ, Otto
CPC分类号： B29C47/585 , B29C45/18 , B29C45/74 , B29C47/0023 , B29C47/10 , B29C47/1018 , B29C47/786 , B29C47/92 , B29C2947/92142 , B29C2947/92209 , B29C2947/92314 , B29C2947/92371 , B29C2947/924
摘要： The present invention relates to a worm extruder and/or an extruder for processing plastic materials and plastic mixtures pursuant to the preamble of claim 1. So as to further develop a worm extruder (1) comprising a screw cylinder (2) and a worm shaft (3) rotatably driveable therein, wherein the screw cylinder (2) in an end region comprises a feed opening (6) for supplying plastic material or mixtures of a plurality of plastic materials and/or additives, the materials being present as bulk material (7), via a filling shaft (9) and at least one cooling device (K) is provided in a section of the screw cylinder (2) adjoining the feed opening (6), while increasing the efficiency of the cooling process, lowering the operating costs and increasing the operational reliability, it is proposed to provide an active heat barrier (14) in the region of the filling shaft (9), the barrier comprising electrically controllable means for heat dissipation.
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公开(公告)号：EP2004384B1
公开(公告)日：2011-06-22
申请号：EP07727172.4
申请日：2007-03-21
发明人： GRUNITZ, Otto
CPC分类号： B29C45/83 , B29C45/681
摘要： The present invention relates to a clamping unit for an injection-moulding machine, which has rotary joints and, in particular, toggle joints with joint faces that are moved in relation to one another. Such joints must be lubricated adequately and reliably. The object of the present invention is therefore to present a clamping unit for an injection-moulding machine that provides simple, low-cost and reliable lubrication and allows good sealing of the joints. According to the invention, a magnet device designed for holding a magnetofluid is therefore provided in the region of the joint faces of at least one of the joints.
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6.发明授权
公开(公告)号：EP2988916B1
公开(公告)日：2019-04-03
申请号：EP14723372.0
申请日：2014-04-28
发明人： GRUNITZ, Otto , LANG, Stefan
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公开(公告)号：EP2046554A2
公开(公告)日：2009-04-15
申请号：EP07787377.6
申请日：2007-07-11
发明人： GRUNITZ, Otto
CPC分类号： B29C45/5008 , B29C45/1777 , B29C45/74 , B29C45/7666 , B29C2045/1792 , B29C2045/5024 , B29C2045/5028 , B29C2045/504 , B29C2045/5076 , B29C2045/7673 , Y02P70/261
摘要： The present invention relates to an injection unit for a plastics injection moulding machine. For improvement of the effectiveness of an injection unit, it is proposed that a drive unit (1) of the injection unit (2) has at least one switchable, controllable or regulatable coupling (10, 11, 12) for the controllable coupling of a motor (4) to at least one functional element of the injection unit (2).
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公开(公告)号：EP2004384A1
公开(公告)日：2008-12-24
申请号：EP07727172.4
申请日：2007-03-21
发明人： GRUNITZ, Otto
CPC分类号： B29C45/83 , B29C45/681
摘要： The present invention relates to a clamping unit for an injection-moulding machine, which has rotary joints and, in particular, toggle joints with joint faces that are moved in relation to one another. Such joints must be lubricated adequately and reliably. The object of the present invention is therefore to present a clamping unit for an injection-moulding machine that provides simple, low-cost and reliable lubrication and allows good sealing of the joints. According to the invention, a magnet device designed for holding a magnetofluid is therefore provided in the region of the joint faces of at least one of the joints.
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