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公开(公告)号：EP3127619B1
公开(公告)日：2019-02-06
申请号：EP16182747.2
申请日：2016-08-04
申请人： Cannon S.p.A.
发明人： Volpato, Marco , Corti, Maurizio
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公开(公告)号：EP3278949A1
公开(公告)日：2018-02-07
申请号：EP17183942.6
申请日：2017-07-31
申请人： Cannon S.p.A.
CPC分类号： F25D23/064 , B29C44/188 , B29C44/3403 , B29C44/3415 , B29C44/362 , B29C44/60 , B29K2075/00 , B29K2105/0094 , B29K2995/0015 , B29K2995/0097 , B29L2031/7622
摘要： A method for foaming a hollow body (2), such as a refrigerator cabinet (2), closed in a containment mold (3), that envisages the injection of a highly reactive chemical mixture (M) into the cavity (4) of the body (2), pre heated, letting it expand under vacuum conditions. The lower wall of the hollow body (2) is thermostated by a supporting table (6), in which a thermostating heat transfer fluid flows both during the insertion and stay in said containment mold (3). In particular, the surface of the lower wall of the hollow body (2), on which the resin is deposited, is heated to promote the fast and efficient expansion of the foam. The side containment and counteraction walls of the mold (3) also have a thermal conditioning function, just like the male element (48) and they carry out a heat control action on the hollow body (2); in addition, the vacuum conditions required for foaming are obtained by means of suitable gaskets.
A first dosed quantity of mixture M is injected with a coherent jet J having an initial value of mass flow rate (mi) and average kinetic energy (E cin,sp ) of the jet (J) that forms a mixture puddle (Z1) in an intermediate area (7) of said foaming cavity (4); the coherent jet (J), by means of its thrust, causes a forward flow and a distribution of the mixture puddle (Z1, Z1') until it reaches at least 50% of said length dimension (D L ). The filling of the cavity (4) is completed by varying the mass flow rate (ṁi) and the average kinetic energy (E cin,sp ) of the coherent jet (J), keeping the body (2) thermostated and in a condition of depression until the end of the isometric expansion and polymerization of the mixture (M).摘要翻译： 一种用于使封闭在容纳模具（3）中的诸如冰箱柜（2）的空心体（2）发泡的方法，该方法设想将高度反应性的化学混合物（M）注入到空腔（4） （2）预先加热，使其在真空条件下膨胀。 中空体（2）的下壁通过支撑台（6）恒温，恒温传热流体在插入和滞留在所述容纳模具（3）期间流入该支撑台。 特别是，其上沉积有树脂的空心体（2）的下壁的表面被加热以促进泡沫的快速且有效的膨胀。 如同公元件（48）一样，模具（3）的侧面密封壁和反作用壁也具有热调节功能，并且它们对中空体（2）执行热控制作用; 另外，通过合适的垫圈获得发泡所需的真空条件。 第一定量的混合物M被注入具有初始形成混合物熔池（Z1）的喷流（J）的质量流量（mi）和平均动能（Ecin，sp）的初始值的相干喷流J 所述发泡腔（4）的中间区域（7）; 相干射流（J）通过其推力引起混合物熔池（Z1，Z1'）的向前流动和分布，直到其达到所述长度尺寸（DL）的至少50％。 通过改变相干射流（J）的质量流率（ṁi）和平均动能（Ecin，sp），保持主体（2）恒温并且处于低压状态 直到混合物（M）的等长膨胀和聚合结束。
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3.发明公开METHOD, DEVICE AND APPARATUS FOR DISPENSING POLYURETHANE MIXTURES 审中-公开VERFAHREN，VORRICHTUNG UND EINRICHTUNG ZUR ABGABE VON POLYURETHANGEMISCHEN
公开(公告)号：EP3127619A1
公开(公告)日：2017-02-08
申请号：EP16182747.2
申请日：2016-08-04
申请人： Cannon S.p.A.
发明人： Volpato, Marco , Corti, Maurizio
IPC分类号： B05C5/02 , B29C47/08 , B29C47/14 , B29C44/30 , B29C44/46 , B29C33/36 , B29C39/16 , B29C43/22 , B65G15/30
CPC分类号： B05D7/50 , B05C5/0254 , B05C5/0258 , B29C39/16 , B29C43/22 , B29C44/306 , B29C44/461 , B29C47/0021 , B29C47/0828 , B29C47/14 , B29K2075/00 , B29K2105/04 , B29L2031/776 , C09D175/04
摘要： A method for dispensing a polyurethane mixture (M) onto a substrate (2) comprises the steps of: generating a liquid mixture (M) from reactive component resins; introducing the mixture (M) in an inlet section (Si) of a dispensing device (1) so as to advance it towards a planar-shaped outlet slit section (Su), transversely to the advancement direction (DA) of the substrate (2); distributing the mixture (M) along a gap chamber (I) having a cross section diverging towards the outlet slit section (Su); dispensing the mixture (M) through the outlet slit section (Su), so as to deposit a thin, uniform film onto said substrate (2); during the advancement and distribution step inside the dispensing device (1), the various fractions of said mixture (M) are flown along respective paths (p0, p1,.. pn/2, .., pn) radiating from the inlet section (Si) to respective zones (z1, z2, ..., zn) of the outlet slit section (Su), and having such a spatial geometrical conformation that they all have the same extension length, so that all fractions of the mixture (M) travel equal distances from the inlet section (Si) to the outlet slit section (Su), in equal times, maintaining equal average speeds along each section having zones placed all at the same path distance either from the inlet section (Si) or from the outlet slit section (Su).
摘要翻译： 将聚氨酯混合物（M）分配到基材（2）上的方法包括以下步骤：从反应性组分树脂产生液体混合物（M）; 将混合物（M）引入到分配装置（1）的入口部分（Si）中，以使其朝向平面形的出口狭缝部分（Su）前进，横向于基板（2）的前进方向（DA） ）; 沿着具有朝向出口狭缝部分（Su）分叉的横截面的间隙室（I）分配混合物（M）; 通过出口狭缝部分（Su）分配混合物（M），以便在所述基材（2）上沉积薄均匀的膜; 在分配装置（1）内的推进和分配步骤期间，所述混合物（M）的各种部分沿着从入口部分（...）辐射的相应路径（p0，p1，... pn / 2，...，pn） Si）到出口狭缝部分（Su）的各个区域（z1，z2，...，zn），并且具有这样的空间几何构象，它们都具有相同的延伸长度，使得混合物的所有部分（M ）等同于从入口部分（Si）到出口狭缝部分（Su）的距离相等，沿着沿着每个部分保持相同的平均速度，其中所述区域全部处于与入口部分（Si）或 出口狭缝部（Su）。
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4.发明公开
公开(公告)号：EP3037237A1
公开(公告)日：2016-06-29
申请号：EP15200862.9
申请日：2015-12-17
申请人： Cannon S.p.A.
摘要： A method for foaming objects (2) is disclosed, the objects (2) having two dimensions prevailing on a third dimension and each provided with two coating elements (3, 3') of the shell or shaped panel type or of the flat or curved or thermoformed plate or sheet type, between said two coating elements (3, 3') there being interposed an intermediate layer (6) in expanded polyurethane or phenol material. The method comprises the steps of:
i). providing one or more moulding units (4) each comprising a first half mould (5A) and a second half mould (5B) suitable for receiving respective coating elements (3, 3') of said objects (2) to be foamed, and intended for being conveyed along a closed advancement path (P) in which a foaming cycle occurs;
ii). arranging in succession, one next to the other, according to a desired spatial sequence, a desired number of operative modules (M, M1,...M11,.., Mn) that are mutually distinct and separate, provided with driving devices that are independent of one another and mutually synchronized, comprising first rolling means (7) and second rolling means (8) for clamping and conveying said moulding units (4), said operative modules (M, M1,...M11,..,Mn) being reciprocally combinable so as to make up a modular structure of a desired length and shape defining said advancement path (P), wherein the number and mutual arrangement of said operative modules (M, M1,...M11,..,Mn) are chosen and optimised for adapting to specific process parameters, to characteristics of said polyurethane or phenol material and to characteristics of said objects (2) to be foamed,
iii). setting said first rolling means (7) and second rolling means (8) at a reciprocal operating distance (D) so as to define, along said advancement path (P), an advancement and clamping gap (I) for said moulding units (4);
iv). inserting into said first half mould (5A) and into said second half mould (5B) respectively conjugate coating elements (3, 3') of one or more respective objects (2),
i). dispensing on the coating element/s (3) contained in a half mould (5A) a quantity of polyurethane or phenol mixture,
ii). taking said first half mould (5A) and said second half mould (5B) to a mutually opposite position so as to define a respective closed moulding unit (4) in which the coating element/s (3; 3') contained in a half mould (5A; 5B) faces/face and matches/match the respective conjugate coating element/s (3'; 3) contained in the other half mould (5B; 5A);
iii). inserting said moulding unit (4) closed in said advancement and clamping gap (I) and
iv). applying to opposite sides of said closed moulding unit (4) opposite pressure actions (PI; P2) by said first rolling means (7) and said second rolling means (8) respectively so as to maintain reciprocally closed and clamped said first (5A) and second (5B) half moulds and so as to contrast the thrusts exerted by the expanding foam;
v). driving said first rolling means (7) and said second rolling means (8) to advance, maintaining in a closed and clamped configuration, said moulding unit (4) inside said advancement and clamping gap (I) and along said advancement path (P) to complete the respective foaming cycle, wherein along at least part of said advancement path (P) there is provided heating of said moulding units (4).摘要翻译： 公开了一种用于发泡物体（2）的方法，所述物体（2）具有在第三维度上具有两个尺寸的每个所述物体（2），并且每个具有壳体或成形板型的两个涂覆元件（3,3'）或平坦或弯曲 或热成型板或片型，在所述两个涂覆元件（3,3'）之间，在发泡聚氨酯或酚材料中插入中间层（6）。 该方法包括以下步骤：i）。 提供一个或多个模制单元（4），每个模制单元包括适于接收待发泡的所述物体（2）的各个涂覆元件（3,3'）的第一半模（5A）和第二半模（5B），并且预期 用于沿着发生发泡循环的封闭前进路径（P）传送; ⅱ）。 按照所需的空间顺序依次排列相互独立和分离的所需数量的操作模块（M，M1，... M11，...，Mn），所述操作模块具有驱动装置 包括第一滚动装置（7）和用于夹紧和传送所述模制单元（4）的第二滚动装置（8），所述操作模块（M，M1，... M11，...， Mn）可互相组合以便构成限定所述前进路径（P）的期望长度和形状的模块化结构，其中所述操作模块（M，M1，... M11，...）的数量和相互布置， Mn）被选择和优化以适应具体的工艺参数，所述聚氨酯或酚材料的特性和所述待发泡物体（2）的特征，iii）。 将所述第一滚动装置（7）和第二滚动装置（8）设置在往复操作距离（D）处，以便沿所述推进路径（P）限定所述模制单元（4）的前进和夹紧间隙（I） ）; ⅳ）。 插入所述第一半模（5A）和所述第二半模（5B）中，分别与一个或多个相应物体（2）的涂覆元件（3,3'）结合，i）。 将包含在半模（5A）中的涂层元件/ s（3）上分配一定量的聚氨酯或酚混合物，ii）。 将所述第一半模（5A）和所述第二半模（5B）彼此相对的位置，以便限定相应的封闭模制单元（4），其中所述涂层元件（3; 3'）包含在一半 模具（5A; 5B）面/面并匹配/匹配包含在另一半模具（5B; 5A）中的各个共轭涂层元件（3'; 3）; III）。 将所述成型单元（4）插入所述前进和夹紧间隙（I）中并且iv）。 通过所述第一滚动装置（7）和所述第二滚动装置（8）分别施加到所述封闭模制单元（4）的相对于压力作用（PI; P2）的相对侧，以便保持往复关闭并夹紧所述第一（5A） 和第二（5B）半模，以便对比膨胀泡沫施加的推力; V）。 驱动所述第一轧制装置（7）和所述第二轧制装置（8）将所述成型单元（4）保持在所述前进和夹紧间隙（I）内并且沿着所述推进路径（P）保持在闭合和夹紧的结构中， 以完成相应的发泡循环，其中沿所述前进路径（P）的至少一部分提供所述模制单元（4）的加热。
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公开(公告)号：EP3838567A1
公开(公告)日：2021-06-23
申请号：EP20215835.8
申请日：2020-12-18
申请人： Cannon S.p.A.
摘要： A method for pouring in a controlled way, into an open moulding cavity (19), a liquid polymeric mixture free from spatters (SP), resulting from a first (A) and at least a second (B) chemically reactive components suitable for forming a polymeric resin, by means of a high pressure mixing device (10). During an initial transitional step, a flow (F) of liquid mixture, free from spatters (SP), is poured with initial flowrate (Q1) and speed (V1) values comparatively lower than regime operative values (Q2-V2), suitable for forming a pool of mixture (PZ2) having a wave front (FO) with a raised peripheral peak (PC); then the flowrate (Q) and the speed (V) of the initially poured flow (F), are increased up to regime operative values (Q2, V2) maintaining conditions free from spatters of the poured mixture flow (F). The apparatus comprises a high pressure mixing device (10), pumps (P1, P2) for feeding the chemical components (A,B), and flow transducers (FTA, FTB) operatively connected to a control unit (CU) programmable with flowrates (Q) and times (T) for feeding the chemical components (A,B) and pouring the resulting polymeric mixture.
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