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1.发明授权公开(公告)号：US11034812B2
公开(公告)日：2021-06-15
申请号：US16019929
申请日：2018-06-27
Applicant: AFROS S.P.A.
Inventor： Marco Volpato , Maurizio Corti
IPC: B29B7/00 , C08J9/12 , B29B7/74 , B29C44/34 , B01F3/04 , B01F13/02 , B01J3/00 , B01J19/18 , C08G18/42 , B29K75/00 , C08G101/00
Abstract: The invention concerns an apparatus (1) for the dispersion of an expansion gas even in supercritical conditions, e.g. carbon dioxide, in a reactive resin, of the kind in which a reaction chamber having an input (27) for gas and an input (37) for resin is provided. Advantageously, the chamber is a dispersion and containment chamber made into a casing (2) of predetermined high resistance susceptible to sustain high pressure and is divided into two sections (6,7) by a head (14) of a dispersion and mixing cylinder-piston group (4) in fluid communication between themselves by means of at least one pouring passage (31, 36, 32, 39) provided with a static mixer (38), motor means (3) being provided for piston (34) control of said mixing cylinder-piston group (4). The invention also concerns a process for the formation of a polyurethane foam starting with the dispersion of carbon dioxide, even supercritical, in a reactive resin in which at least one initial dispersion and mixing controlled phase of the two components is provided in a dispersion and containment chamber under pressure divided into two sections (6,7) by a head (14) of a cylinder-piston mixing group (4) in fluid communication between themselves by means of at least one pouring passage (31, 36, 32, 39) provided with a static mixer (38) and in which adduction, dispersion and mixing occurs under high pressure (at least greater than 75 bar).
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公开(公告)号：US20210001525A1
公开(公告)日：2021-01-07
申请号：US16915770
申请日：2020-06-29
Applicant: AFROS S.P.A
Inventor： MARCO VOLPATO , MAURIZIO CORTI
Abstract: The invention relates to a high-pressure mixing, dosing and recirculation head for injection or casting reaction molding, said high-pressure mixing, dosing and recirculation head comprising a head body, a mixing chamber, obtained in the head body wherein a valve element or mixing valve slides and in fluid communication with a supply duct, and a self-cleaning element comprising a scraping portion, said self-cleaning element being structured to slide in said supply duct, as well as comprising an apparatus for controlling and commanding mixing, supply and recirculation comprising a plurality of sensors and transducers mounted on board of the head body and of the components parts of the head connected thereto to detect and transform representative physical quantities of at least one operational status of said high-pressure mixing, dosing and recirculation head into electrical signals and an electronic control and storing system adapted to synchronously control and scan said sensors and transducers and adapted to receive and process said electrical signals indicative of said at least one operational status, at the beginning and during the operational phases of said high-pressure mixing, dosing and recirculation head to compare them with each other and with electrical signals representative of a predetermined reference operational status. The invention also relates to a high-pressure mixing, dosing and recirculation method for injection or casting reaction molding.
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公开(公告)号：US09308512B2
公开(公告)日：2016-04-12
申请号：US14178505
申请日：2014-02-12
Applicant: AFROS S.P.A.
Inventor： Carlo Fiorentini , Maurizio Corti
CPC classification number: B01J19/0073 , B01J2219/00761 , B29B7/7663 , B29B7/7668 , B29B7/7684 , B29B7/80 , B29B7/805 , B29C44/1271 , B29C67/246 , B29K2075/00
Abstract: A method for forming a self-regenerating seal in a mixing chamber of a high-pressure mixing apparatus for polymeric components suitable for providing a reactive mixture for a polymerizable resin. An annular sealing element is provided in a circular housing seat inside the mixing chamber, in a sealing zone downstream the injection holes for the polymeric components; worn and/or torn parts of the annular sealing element are automatically regenerated by the same reactive mixture delivered during operation of the mixing apparatus. A high-pressure mixing apparatus with self-regenerating sealing element is also claimed.
Abstract translation: 一种用于在用于提供可聚合树脂的反应混合物的聚合物组分的高压混合装置的混合室中形成自再生密封的方法。 环形密封元件设置在混合室内的圆形壳体座中，在用于聚合物组分的注入孔下游的密封区域中; 环形密封元件的磨损和/或撕裂部分由混合装置操作期间输送的相同反应混合物自动再生。 还要求具有自再生密封元件的高压混合设备。
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公开(公告)号：US08480290B2
公开(公告)日：2013-07-09
申请号：US13475087
申请日：2012-05-18
Applicant: Carlo Fiorentini , Maurizio Corti
Inventor： Carlo Fiorentini , Maurizio Corti
IPC: B29B7/76
CPC classification number: B29B7/7668 , B29B7/905
Abstract: A high-pressure mixing apparatus for producing and discharging a composite material resulting from a reactive mixture of at least a first and a second chemical components and from a filler material. The apparatus includes a main body, provided with a discharge duct for the composite material, at least one high-pressure mixing chamber for the chemical components and a first cleaning member axially displaceable between a forward and a rearward position within the discharge duct. The apparatus also comprises a second cleaning member with a control device selectively actuable to sequentially move the first and the second cleaning member between the rearward position, in which the first cleaning member opens the discharge duct, and the forward position in which the facing annular surfaces of the discharge duct and the second cleaning member are mutually abutting to eject the residual reactive mixture and close the exit port of the mixing chamber.
Abstract translation: 一种高压混合装置，用于生产和排出由至少第一和第二化学成分的反应性混合物和填料构成的复合材料。 该装置包括主体，其具有用于复合材料的排出管道，至少一个用于化学成分的高压混合室和可在排放管道内的前后位置之间轴向移动的第一清洁件。 所述设备还包括具有控制装置的第二清洁构件，所述控制装置可选择性地致动以在所述第一清洁构件打开所述排放管道的所述后部位置和所述向前位置之间顺序地移动所述第一和第二清洁构件， 排出管道和第二清洁部件相互邻接以喷射剩余的反应混合物并关闭混合室的出口。
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5.发明授权Polyurethane molding plant comprising motorized mold supporting carriages movable on monorail 失效聚氨酯模制设备包括可在单轨上移动的电动模具支撑滑架
公开(公告)号：US4737091A
公开(公告)日：1988-04-12
申请号：US41002
申请日：1987-04-21
Applicant: Carlo Fiorentini
Inventor： Carlo Fiorentini
IPC: B29C39/06 , B23Q7/14 , B29C33/28 , B29C33/36 , B29C39/26 , B29C39/44 , B29K75/00 , B61B13/04 , B29C41/02 , B29C39/04 , B29C39/36
CPC classification number: B29C43/36 , B23Q7/1442 , B29C33/28 , B29C33/36 , B61B13/04 , B29K2075/00 , B29K2105/04
Abstract: A plant for molding articles in polyurethane material; the plant comprises a plurality of motorized mold supporting carriages independently movable along a suspended monorail running along a production line. Each carriage comprises a mold supporting press for opening and closing a mold provided with independent pneumatic control means supported by the same carriage; the control means are connectable to a source of fluid under pressure in pre-established working positions along the production line; each carriage also comprises a drive unit connected to electrical power supply bus bar along the monorail and a peripheral control unit operatively connected to a central logic unit by dialogue conductors provided on the monorail.
Abstract translation: 用于在聚氨酯材料中成型制品的设备; 该设备包括多个电动模具支撑托架，其可沿着沿生产线运行的悬挂单轨单独移动。 每个托架包括用于打开和关闭模具的模具支撑压力机，该模具具有由相同滑架支撑的独立的气动控制装置; 控制装置可连接到沿生产线的预先建立的工作位置的压力下的流体源; 每个托架还包括沿着单轨连接到电源总线的驱动单元和通过设置在单轨上的对话导体可操作地连接到中央逻辑单元的外围控制单元。
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Patent Agency Ranking
公开(公告)号：US12042955B2
公开(公告)日：2024-07-23
申请号：US17224435
申请日：2021-04-07
Applicant: AFROS S.P.A.
Inventor： Marco Volpato , Maurizio Corti , Luca Campi
Abstract: A method is disclosed for preparing and dispensing a mixture obtained by mixing at least one first chemically reactive component and at least one second chemically reactive component containing a dispersed solid material by a high pressure mixing device comprising a mixing chamber for mixing the components, in which a valve member is slidable, in particular a slide-valve, provided with longitudinal slots for recirculating the components to respective storage tanks. The method provides removing from at least one tank, a dosed quantity of the at least second chemically reactive second component to with filler material is added; recirculating the second component through the slots of the slide-valve for a period of time that is comparatively very reduced with respect to a recirculating step of the at least first component through the slide-valve. An apparatus for preparing and dispensing the mixture is also disclosed.
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公开(公告)号：US11433567B2
公开(公告)日：2022-09-06
申请号：US16826631
申请日：2020-03-23
Applicant: AFROS S.p.A.
Inventor： Marco Volpato , Maurizio Corti , Giorgio Molteni , Fabio Fini
Abstract: A high-pressure mixing device adapted to form a polymeric mixture from the reaction of two or more reactive liquid components or resins, comprises a head-body with a mixing chamber having an inner cylindrical surface with inlet and outlet openings for injecting and recirculating reactive components; a duct for delivering the mixture, a valve body with recirculation longitudinal slots; the delivery duct, of the self-cleaning type, is a single-piece tubular element, insertable into a hole passing through the head-body, having an intermediate transversal hole aligned with the mixing chamber with a diameter greater than a diameter of the mixing chamber for avoiding protrusions of the walls of the transversal hole from forming inwardly of the mixing chamber of the head-body. Sealing elements duly arranged between the coupling interfaces of the various components prevent the leakage of polymeric mixture and lubricant liquid. There is also disclosed a related method.
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公开(公告)号：US10040040B2
公开(公告)日：2018-08-07
申请号：US14580573
申请日：2014-12-23
Applicant: AFROS S.P.A.
Inventor： Marco Volpato , Maurizio Corti
Abstract: A method and high-pressure mixing device for co-injection of polymeric reactive components, in particular for polyurethane and epoxy mixtures. The polymeric components are supplied in a common pressure chamber where they flow at a same pressure and in an unmixed state into a forwardly converging fore portion of the pressure chamber, and through a settable co-injection orifice to be co-injected, in the unmixed state, into a mixing chamber transversely oriented to the pressure chamber. The settable co-injection orifice consists in an elongated restriction that longitudinally extends on a side wall of the mixing chamber orthogonally oriented to an intersecting the forwardly converging fore portion of the pressure chamber; a first cleaning member and a second cleaning member are sequentially reciprocable in the pressure chamber to eject the remaining unmixed polymeric components, respectively in the mixing chamber to eject the remaining mixture, and stop elements are provided to set an open section of the elongated restriction, by adjustably stopping the fore end of the cleaning member for the mixing chamber, in respect to the same elongated restriction of the co-injection orifice.
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9.发明授权Self-cleaning, mixing apparatus and method for the production of polyurethane formulations 失效自清洁，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
Applicant: Carlo Fiorentini , Alberto Bonansea
Inventor： Carlo Fiorentini , Alberto Bonansea
IPC: B29C45/18 , B01F3/10 , B01F5/04 , B01F15/00 , B29B7/76 , B29C39/24 , B29C67/24 , B29K75/00 , B01F15/02
CPC classification number: B29C67/246 , B29B7/7668 , B29B7/7694 , B29K2075/00
Abstract: 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.
Abstract translation: 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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公开(公告)号：US4823992A
公开(公告)日：1989-04-25
申请号：US90070
申请日：1987-08-27
Applicant: Carlo Fiorentini
Inventor： Carlo Fiorentini
CPC classification number: B29B7/7626
Abstract: A metering device for feeding liquids, in particular chemical components for the production of polyurethane mixtures in a high-pressure mixing head.The device comprises at least a first and a second metering unit of the type having a cylindrical chamber in which a plunger slides to displace a pre-established volume of liquid during its stroke and to feed it to the mixing head. The plunger is connected to a worm screw control device, in which the worm screw control devices of the metering units are interconnected by a mechanical drive actuated by a driving motor; one or more revolution variators can be disposed in the mechanical interconnecting transmission in order to vary the ratios between the speeds of the plungers and, therefore, the quantities metered in relation to the stochiometric ratios between the liquids to be mixed.
Abstract translation: 用于输送液体的计量装置，特别是用于在高压混合头中生产聚氨酯混合物的化学组分。 该装置至少包括具有圆柱形室的类型的第一和第二计量单元，柱塞在其中滑动以在其行程期间移动预定量的液体并将其输送到混合头。 柱塞连接到蜗杆螺杆控制装置，其中计量单元的蜗杆螺杆控制装置通过由驱动电动机驱动的机械驱动器互连; 一个或多个旋转变速器可以设置在机械互连传动装置中，以便改变柱塞的速度之间的比率，因此改变与要混合的液体之间的比重比计算的量。
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