Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1997-06-17
1998-12-29
Nicholson, Eric K.
Pipe joints or couplings
Nonmetal to metal
Internal member
285259, F16L 3300, F16L 3320
Patent
active
058532021
ABSTRACT:
An end fitting assembly (10) for connecting a hose to an external device is disclosed. The end fitting assembly (10) includes a stem (11) adapted to be inserted into the inner channel (32) of a hose (30). The stem (11) includes an axial bore (13) adapted to convey a fluid therethrough. The stem (11) further includes a plurality of circumferential barbs (12), each of the barbs (12) including a plurality of lands (12a, 12b) at the outer surface thereof. One of the lands (12a) is disposed at an acute angle with respect to the axis of the bore (13) of the stem (11). A second one of the lands (12b) is disposed adjacent to the first land (12a) and is disposed at a smaller acute angle with respect to the axis of the bore (13) of the stem (11) than the angle of the first land (12a). The stem (11) further includes an additional barb (15) having a rotation resisting structure provided thereon to resist relative rotational movement between the stem (11) and a hose (30) into which the stem (11) is disposed. The end fitting assembly (10) also includes a connector (40) for connecting the end fitting assembly (10) to an external device.
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Li Trent Kuang Chun
Martucci Norman S.
Nicholson Eric K.
Teleflex Incorporated
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