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1. 发明授权

US06502978B2 Apparatus for the production of polyurethane material with a cleaning member having a filler feeding channel and an inclined front surface 失效
标题翻译：用于生产聚氨酯材料的装置，其具有具有填料供给通道和倾斜前表面的清洁构件
公开(公告)号：US06502978B2
公开(公告)日：2003-01-07
申请号：US09058161
申请日：1998-04-10
申请人： Alberto Bonansea , Carlo Fiorentini
发明人： Alberto Bonansea , Carlo Fiorentini
IPC分类号： B01F1300
CPC分类号： B29B7/7668 , B05B7/0861 , B05B7/149 , B29B7/905 , B29C31/045 , B29C67/246 , B29K2075/00 , B29K2105/16
摘要： A process and an apparatus for the production of a polyurethane mixture is described. The apparatus comprises a high-pressure mixing device provided with a mixing chamber opening onto a side of a discharge duct. An elongated cleaning member is reciprocable inside the duct and is provided with a longitudinal channel for feeding a fluidized reinforcing material, for example reinforcing fibers or a reinforcing material in powder or granulate form, to be blended with the polyurethane mixture flowing into the discharge duct. The feeding channel for the reinforcing material terminates at the front end of the cleaning member, at a point where the flow of reinforcing material impinges the polyurethane mixture which emerges from the mixing chamber under high turbulence conditions. Blowing nozzles are provided to generate air jets for repeatedly deviating the flow of blended polyurethane mixture and reinforcing material flowing out from the discharge duct.
摘要翻译：描述了用于生产聚氨酯混合物的方法和设备。该装置包括高压混合装置，该混合装置具有通向排放管道侧面的混合室。细长的清洁构件可在管道内往复运动，并设置有用于供给流化增强材料的纵向通道，例如增强纤维或粉末或颗粒形式的增强材料与流入排放管道的聚氨酯混合物混合。用于增强材料的进料通道终止于清洁构件的前端，在增强材料的流动冲击在高湍流条件下从混合室中排出的聚氨酯混合物的点处。提供喷嘴以产生用于反复偏离混合的聚氨酯混合物和从排出管流出的增强材料的流动的空气射流。

2. 发明授权

US06079867A Self-cleaning, mixing apparatus and method for the production of polyurethane formulations 失效
标题翻译：自清洁，混合设备和生产聚氨酯配方的方法
公开(公告)号：US06079867A
公开(公告)日：2000-06-27
申请号：US82725
申请日：1998-05-21
申请人： Carlo Fiorentini , Alberto Bonansea
发明人： Carlo Fiorentini , Alberto Bonansea
IPC分类号： B29C45/18 , B01F3/10 , B01F5/04 , B01F15/00 , B29B7/76 , B29C39/24 , B29C67/24 , B29K75/00 , B01F15/02
CPC分类号： B29C67/246 , B29B7/7668 , B29B7/7694 , B29K2075/00
摘要： A high-pressure self-cleaning mixing apparatus adapted to mix at least first and second reactive polyurethane-forming components and feed the mixed components to a mold is disclosed. The apparatus includes at least a mixing chamber, first and second feed passages, first and second recycle passages, and a cleaning member having at least first and second longitudinally-extending recycle grooves spaced from each other. The cleaning member is movable between an open position in which the first feed passage radially feeds the first polyurethane-forming component to the mixing chamber and a closed position in which the first longitudinally-extending recycle groove communicates the first feed passage with the first recycle passage to recycle the first polyurethane-forming component instead of feeding the first polyurethane-forming component to the mixing chamber. The second feed passage may be communicated with a longitudinally-extending passage of the cleaning member to permit the second polyurethane-forming component to be fed into the mixing chamber along an axial direction of the mixing chamber. A valve member may be provided to prevent the flow of the second polyurethane-forming component to the mixing chamber by recycling the second polyurethane-forming component to the second recycle passage. Spacing between the first and second grooves seals the first feed and recycle passages from the second feed and recycle passages.
摘要翻译：公开了一种高压自清洁混合设备，其适于混合至少第一和第二反应性聚氨酯形成组分并将混合组分进料到模具中。该装置至少包括混合室，第一和第二进料通道，第一和第二再循环通道以及具有彼此间隔开的至少第一和第二纵向延伸的再循环槽的清洁构件。所述清洁部件能够在第一供给通路将第一聚氨酯形成部件径向地供给到混合室的打开位置和第一纵向延伸的再循环槽与第一再循环通路连通的关闭位置以再循环第一聚氨酯形成组分，而不是将第一聚氨酯形成组分进料到混合室。第二进料通道可以与清洁部件的纵向延伸的通道连通，以允许第二聚氨酯形成部件沿着混合室的轴向方向进入混合室。可以设置阀构件以通过将第二聚氨酯形成组分再循环到第二循环通道来防止第二聚氨酯形成组分流到混合室。第一和第二槽之间的间距从第二进料和再循环通道密封第一进料和再循环通道。

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