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公开(公告)号：US20230264408A1
公开(公告)日：2023-08-24
申请号：US18006443
申请日：2021-08-05
IPC分类号： B29C48/92
CPC分类号： B29C48/92 , B29C2948/92019 , B29C2948/92209 , B29C2948/92047 , B29C2948/92095 , B29C2948/92704 , B29C2948/92895 , B29C2948/924
摘要： An extruder for polymeric materials, includes: a hollow extrusion cylinder, having an inlet for receiving pellets of polymeric material, and an outlet for expelling molten polymeric material; an extruder screw connected to a motor to rotate inside the extrusion cylinder and to move the polymeric material from the inlet to the outlet; heaters coupled to the extrusion cylinder; a sensor system configured to measure values of a recipe parameter and of a monitoring parameter; a processing unit, programmed to store a target value for the recipe parameter and to perform a feedback control to bring the recipe parameter to the target value and to keep it at the target value.
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2.发明公开公开(公告)号：US20230271370A1
公开(公告)日：2023-08-31
申请号：US18007328
申请日：2021-09-22
IPC分类号： B29C48/92 , B29C48/375 , B29C48/255 , B29C48/68 , B29C48/62
CPC分类号： B29C48/92 , B29C48/387 , B29C48/2552 , B29C48/68 , B29C48/62 , B29C2948/92104 , B29C2948/92161
摘要： A continuous cycle system for moulding single objects from plastic material, including: an extruder including a cylinder extending along a longitudinal axis (L), a screw rotating inside the cylinder about the longitudinal axis (L), the screw having a core and a thread externally coupled to the core and heaters coupled to the cylinder; a moulding machine, configured to receive as input the flow of liquid plastic material from the extruder and including a plurality of moulds, each having a first and a second half mould movable relative to each other between an open position and a closed position.
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公开(公告)号：US20230405909A1
公开(公告)日：2023-12-21
申请号：US18251634
申请日：2021-11-09
CPC分类号： B29C49/0685 , B29C43/36 , B29C49/6465 , B29C49/12 , B29C49/6427 , B29C43/52
摘要： A male element (100) of a mould (10) for the compression moulding of a parison comprises: a die (110), extending along a longitudinal axis (A) and including a body (112) having, inside it, a longitudinal cavity (113) 5 extending along the longitudinal axis (A) and, at one end of it, a socket (111) in communication with the longitudinal cavity (113); a stretching rod (120), slidably inserted in the longitudinal cavity (113) and including a terminal portion (121) at one end of it, the stretching rod (120) being movable relative to the die (110) between a retracted position, in which the 10 terminal portion (121) is housed inside the socket (111), and an extracted position, in which the terminal portion (121) is extracted from the socket (111).
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公开(公告)号：US20230024318A1
公开(公告)日：2023-01-26
申请号：US17769229
申请日：2020-10-14
发明人： Fabrizio PUCCI , Davide BALDISSERRI
IPC分类号： B29C48/305 , B29C48/21 , B29C48/00 , B29C48/255 , B32B7/12 , B32B27/08 , B32B27/32
摘要： Described is a coextrusion head (1) comprising a plurality of infeeds (11, 12, 13, 14, 15) for fluid products, an inner joining space (16, 17), positioned downstream of said infeeds and communicating with them by means of respective delivery ducts (110, 120, 130, 140, 150) so as to allow flows of products to converge there and an outfeed (18) for the final multi-layer product, positioned downstream of the inner joining space (16, 17). In the head (1) there is a central delivery duct (110), provided for receiving a first flow of product and two lateral delivery ducts (120, 130), designed to receive, respectively, a second flow of product and a third flow of product. The head (1) also comprises adjustable narrowing means (31, 32), acting at least in the central delivery duct (110) and designed to vary a respective opening, to allow adjustment of the relative position of the first flow relative to a composite secondary flow defined by the joining of the first, second and third flow in the joining space (16) .
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公开(公告)号：US20240017450A1
公开(公告)日：2024-01-18
申请号：US18252166
申请日：2021-11-09
CPC分类号： B29C43/52 , B29C43/02 , B29C43/36 , B29B11/12 , B29C49/0685 , B29L2031/712
摘要： A male element (100) of a mould (10) for the compression moulding of a parison comprises a die (110) and a ducting system (117), located inside the die (110) to allow a cooling fluid to flow in the male element (100), wherein the die (110) comprises: a body (112); a liner (116) fitted round the body (112) and having an outside surface, acting in conjunction with a female element (200) of the mould (10) to delimit a forming cavity (20), and an inside surface in contact with the outside surface of the body (112), wherein the ducting system (117) is formed between the body (112) and the liner (116).
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公开(公告)号：US20220355529A1
公开(公告)日：2022-11-10
申请号：US17764757
申请日：2020-10-12
发明人： Davide BALDISSERRI
IPC分类号： B29C48/25 , B29C31/06 , B29C48/255 , B29C48/285 , B29C48/92
摘要： Described is a system for transferring a dose of polymeric material comprising a head for supplying the polymeric material and at least one conveying device, provided with a conveying wall, which is configured for advancing along a path through the supplying head for transferring to the conveying wall a dose obtained from the polymeric material supplied from the supplying head; and wherein the supplying head comprises a duct which is provided with a straight outfeed region extending along an axis which is configured to supply the polymeric material to a supplying outfeed. The outfeed region comprises at least a first zone and a second zone facing each other, the supplying head having at least one variation configuration in which the first zone and the second zone are asymmetrical to disturb a flow of polymeric material in the outfeed region in such a way as to control the supplying direction of the polymeric material, supplied from the supplying outfeed and to transfer to the conveying wall. A method is also proposed for transferring the dose of polymeric material from the supplying head to the conveying device and a method for supplying the dose.
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