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    • 3. 发明申请
    • PROCESS FOR CONNECTING A PIPE WITH A PRESS FITTING AND COMBINATION OF PRESS FITTING, PIPE AND PRESSING DEVICE, AND PRESSING DEVICE FOR IMPLEMENTING SAID PROCESS
    • 方法用于连接管,为实施压配合,并按下组合配件,管道,然后按设备,然后按下DEVICE
    • WO1997017563A1
    • 1997-05-15
    • PCT/EP1996004719
    • 1996-10-30
    • NOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO. KGPFEIFFER, Heinrich
    • NOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO. KG
    • F16L13/16
    • F16L13/142Y10T29/49925Y10T29/49927Y10T29/53996
    • In a process, a pipe (1) is connected to a press fitting (2) which has a cylindrical section (3) and a radially outward-projecting annular bead (5) at each end which, at the free end of the press fitting (2) has an inwardly directed bead shoulder (8) and internally forms an annular groove (10) in which is fitted a sealing ring (11). In order to make the connection, the press fitting (2) and the pipe (1) are inserted one into the other and the annular bead (5) and the cylindrical section (3) are pressed radially inwards with the plastic deformation of the pipe (1) as well. This is done by pressing the bead shoulder (8) into the pipe (1) to form a first narrowing (44), and a second narrowing (43) is formed in the pipe by pressing the cylindrical section (3) at a distance from the first narrowing (44) such that the shaping of the second narrowing (43) is separated from the first (44) in such a way that the first narrowing (44) has a radially outwardly projecting section (47) towards the second.
    • 在一种方法中的管(1)与压入(2)连接,其中每个包括一筒部(3)和端部的径向向外突出的环形凸圈(5),压配件的自由端(2)具有径向向内 珠导向肩(8),并且在一个环形槽(10),在其中一个密封环(11)被插入内部。 为了制备化合物压入(2)和管被压径向向内推入彼此,和(1)随后的环形凸圈(5)和所述筒部(3)塑性变形也管道(1)。 这是,在所述管中的珠肩(8)在(1)由形成第一缩颈(44)推压的方式完成的,并在管以这样的距离的第二收缩部(43)由筒部(3)的压缩自 形成在第一限制件(44),其从所述第一颈缩的第二收缩(43)(44)的方式在该分离在它们的设计,第一缩颈(44)有一径向朝第二向外部分上升 (47)。