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公开(公告)号：US20240237864A1
公开(公告)日：2024-07-18
申请号：US18288171
申请日：2022-04-26
发明人： Marco Holst , Dirk Schwan
CPC分类号： A47L9/242 , A47L9/248 , F16L25/0036
摘要： A flexible hose (10), in particular a vacuum cleaner hose, has a wavily profiled inner hose (12), which is surrounded by a substantially smooth sheathing (14) and is provided with a hollow connection piece (18) at at least one end (16). The inner hose with the sheathing extends into the connection piece, the sheathing being fastened to the inner hose by a sheath securing member (20). Also attached to the inner hose is a retaining sleeve (24), which forms a first stop face (28) for the connection piece and has a second stop face (30) for a connecting piece securing member (32) which is fastened to the connection piece in order to fix the latter in a tension- and compression-resistant manner with regard to the inner hose via the retaining sleeve.
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2.发明公开公开(公告)号：US20230383872A1
公开(公告)日：2023-11-30
申请号：US18249485
申请日：2021-10-22
发明人： Marco Holst , Dirk Schwan , Ingo Steitz
IPC分类号： F16L11/118 , B29C53/78 , F16L11/08 , A47L9/24
CPC分类号： F16L11/1185 , B29C53/78 , F16L11/081 , A47L9/24
摘要： A flexible hose (10), for a vacuum cleaner, has a wall (12), an inner side (14) of which delimiting a cavity (16) for conveying media and at least one outer side (18) of which having a profiling (20) which has, in section, seen along a longitudinal axis (22) of the hose, elevations (24) and depressions (26). On the outer side of the wall, at least one electrically conductive track (28) is provided which extends around the wall and is in electrical contact with at least one electrically conductive thread (30) which electrically connects ends of the hose facing away from one another. The electrically conductive thread is fastened to the outer side in a manner extending substantially along the longitudinal axis of the hose and transverse to the electrically conductive track.
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