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公开(公告)号：US20180372248A1
公开(公告)日：2018-12-27
申请号：US16063844
申请日：2016-12-19
摘要： The present invention relates to a connecting element (1) for producing a pipe connection (6) between the connecting element (1) and a plastic pipe (7) or a metal-plastic composite pipe by using axial pressing technology, wherein the connecting element (1) has at least one support body (2, 2a) provided with circumferential external ribs (3, 3a, 3b) for press-fitting an expanded end (8) of the pipe (7) onto, and comprises at least one circumferential collar (5, 5a), wherein the connecting element (1) between the circumferential collar (5, 5a) and the nearest circumferential external rib (3b) to said circumferential collar (5, 5a) further comprises a pre-stop (4, 4a) for limiting the sliding onto of the expanded end (8) of the pipe (7), wherein the distance between the edge of the pre-stop (4, 4a) facing the circumferential external ribs (3, 3a, 3b) and the edge of the circumferential collar (5, 5a) facing the pre-stop (4, 4a) is 0.10 times to 0.30 times the length of the support body (2, 2a). Furthermore, the present invention relates to a pipe connection (6) between an expanded end (8) of an all-plastic pipe (7) or of a plastic composite pipe (7) and a connecting element (1), comprising an expanded end (8) of an all-plastic pipe (7) or of a plastic composite pipe (7); and a connecting element (1) according to the present invention.
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公开(公告)号：US20180372252A1
公开(公告)日：2018-12-27
申请号：US16063887
申请日：2016-12-19
摘要： The present invention relates to a sliding sleeve connection (6) between an expanded end (8) of an all-plastic pipe (7) or of a plastic composite pipe and a connecting element (1), which comprises an expanded end (8) of an all-plastic pipe (7) or of a plastic composite pipe; a connecting element (1) having at least one support body (2, 2a) provided with circumferential external ribs (3, 3a, 3b), onto which the expanded end (8) of the all-plastic pipe (7) or of the plastic composite pipe (7) is slid, and at least one circumferential collar (5, 5a); and a sliding sleeve (9) made of elastically deformable polymer material axially slid onto the expanded end (8), wherein the connecting element (1) comprises a pre-stop (4, 4a) between the circumferential collar (5, 5a) and the nearest circumferential external rib (3b) to the latter, and said pre-stop (4, 4a) constitutes a limitation for sliding onto the end of the pipe (8), wherein the end of the sliding sleeve (9) facing the circumferential collar (5, 5a) protrudes beyond the end of the pre-stop (4, 4a) facing the circumferential external rib (3b).
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公开(公告)号：US20180372249A1
公开(公告)日：2018-12-27
申请号：US16063876
申请日：2016-12-19
摘要： The present invention relates to a pipe connection (1), which comprises at least one end of a plastic pipe (2) or metal plastic composite pipe (2) and one connecting element (3) with at least one support body (4, 4a) provided with circumferential ribs (5, 5a, 5b, 5c), onto which the end of the pipe (2) is slid, wherein, for the expansion ratio R(exp) of the pipe connection (1), the following applies: 0.05
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4.发明申请公开(公告)号：US20200271260A1
公开(公告)日：2020-08-27
申请号：US16063933
申请日：2016-12-19
IPC分类号： F16L37/138 , F16L33/207
摘要： The present invention relates to a sliding sleeve (1) for axially sliding onto an expanded end of an all-plastic pipe (4) or a plastic composite pipe, into which is slid a support body (6, 6a) having circumferential external ribs (7, 7a, 7b, 7c) of an connecting element (3), wherein the sliding sleeve (1) is made of an elastically-deformable polymeric material, wherein the internal surface (2) of the sliding sleeve (1) has an average roughness value Ra in a range starting from 1 μm to half of the average wall thickness of the sliding sleeve (1). Furthermore, the present invention relates to a sliding sleeve (1) for axially sliding onto an expanded end of an all-plastic pipe (4) or of a plastic composite pipe, into which is slid a support body (6, 6a) having circumferential external ribs (7, 7a, 7b, 7c), wherein the sliding sleeve (1) is made of an elastically deformable polymeric material, wherein the inner surface (2) of the sliding sleeve (1) has a plurality of macroscopic irregularities (9), the depth of which does not exceed half of the average wall thickness of the sliding sleeve (1). The present invention further relates to a sliding sleeve connection (3) between an end of an all-plastic pipe or a plastic composite pipe (4) and a connecting element (5), the sliding sleeve connection comprising an expanded end of an all-plastic pipe (4) or a plastic composite pipe; a connecting element (5) having at least one support body (6, 6a) provided with circumferential external ribs (7, 7a, 7b, 7c), onto which the expanded end of the all-plastic pipe (4) or of the plastic composite pipe is axially slid; and a sliding sleeve (1) according to the invention axially slid onto the expanded end thereof. Finally, the present invention relates to a method for producing a connection (3) between an end of an all-plastic pie (4) or of a plastic composite pipe and a connecting element (5) having at least one support body (6) provided with circumferential external ribs (7, 7a, 7b, 7c), said method comprising the steps of expanding the end of the all-plastic pipe (4) or the plastic composite pipe; inserting the supporting body (6, 6a) of the connecting element (5) into the expanded end of the all-plastic pipe (4) or the plastic composite pipe; and pressing of a sliding sleeve (1) made of an elastically deformable polymeric material in axial direction onto the expanded end having the support body (6, 6a) inserted therein, and wherein the internal surface (2) of the sliding sleeve (1) has an average roughness value Ra in an area ranging from 1 μm to the average wall thickness of the sliding sleeve (1) or a plurality of macroscopic irregularities (9) the depth of which does not exceed the average wall thickness of the sliding sleeve (1).
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