-
公开(公告)号：US11731315B2
公开(公告)日：2023-08-22
申请号：US17272993
申请日：2019-08-13
申请人： SIDEL PARTICIPATIONS
发明人： Christophe Bunel , Laurent Naveau
IPC分类号： B29B11/14 , B29K67/00 , B29K105/00
CPC分类号： B29B11/14 , B29C2949/078 , B29C2949/0725 , B29C2949/0856 , B29K2067/003 , B29K2105/253
摘要： The invention concerns a preform for a container made of plastic material, comprising a cylindrical body that extends along an axis of revolution of the preform and a bottom that closes the cylindrical body. The bottom has an outer profile with a central portion and a curved portion joining the central portion to the cylindrical body. The central portion has, in longitudinal cross-section, a first concave section. The curved portion has successively, in longitudinal cross-section, from the first concave section towards the cylindrical body, a first convex or frustoconical section, a second concave section and a second convex or frustoconical section.
-
公开(公告)号：US11717990B2
公开(公告)日：2023-08-08
申请号：US15766996
申请日：2016-10-05
发明人： Christian Dornbach
CPC分类号： B29B11/14 , B65D1/0261 , B65D1/0276 , B65D1/0284 , B65D1/46 , B29C49/06 , B29C49/12 , B29C2949/078 , B29C2949/0724 , B29C2949/0725 , B29C2949/0818
摘要： A preform for a stretch-blow-molded plastic container includes an elongated, tube-like preform body. An outer wall and an inner wall delimit a bottom thickness (b). An outer wall and an inner wall delimit a wall thickness (w). An inner surface and an outer surface (E1) curved in three-dimensionally convex manners are spaced apart such that a distance from their respective apex (S, S′) to the preform body continuously increases. Extensions of the outer wall of the preform bottom along the outer three-dimensionally curved surface (E1), and of the inner wall of the preform bottom along the inner three-dimensionally curved surface (E2) are configured to be interrupted by set-backs area outside of their respective apex (S, S′) thereof.
-
搜索结果
2 条记录 (耗时 0.01 秒)
