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公开(公告)号：US20220266492A1
公开(公告)日：2022-08-25
申请号：US17628638
申请日：2020-07-23
Applicant: BASF SE
Inventor： Stefan Glaser , Andreas Wonisch
Abstract: Described herein is a computer-implemented method for simulating a filling process of a mold cavity in an injection molding process using a plastic material, the method including: i) discretizing at least a part of the mold cavity into a plurality of cells; ii) defining a cavity injection point; iii) determining a surface normal direction perpendicular to the nearest cavity sur-face for each cell; iv) determining a cell coordinate system for each cell, defined by a first principal direction parallel to a flow direction, a third principal direction parallel to the normal direction, and a second principal direction perpendicular to the first and third principal directions; and v) determining the flow direction of a mold flow for each cell.
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公开(公告)号：US12251860B2
公开(公告)日：2025-03-18
申请号：US17757380
申请日：2020-12-17
Applicant: BASF SE
Inventor： Andreas Wonisch , Peter Gutmann , Andreas Wuest , Frank Prissok , Juergen Ahlers
IPC: B29C44/44 , B29C44/18 , B29C44/34 , B29C44/60 , C08J9/232 , B29K101/12 , B29K105/04
Abstract: A process for producing a molded article involves providing a thin-walled, gas-permeable shell; filling the shell with a foamed pelletized material composed of a polymer; and welding the foamed pelletized material to obtain the molded article. Molded articles are obtainable or obtained by such a process, and can be used as a footwear sole, part of a footwear sole, a mattress, a seat cushion, an underlay, a grip, a protective film, a component in automobile interiors and exteriors, a gymnastics mat, a body protector, a trim element in automobile construction, a sound insulator, a vibration damper, a cushion, a bicycle saddle, a toy, a tire or part of a tire, a covering for a track and field surface, a covering for a sports hall or a pathway, a damping layer or a damping core in a sandwich element, or a packaging.
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