Patent ID: 6520547
Filing Date: 2003-02-18
Classification: F16L

Abstract:
A pipe and pipe coupling assembly comprising:a first pipe having a substantially cylindrical first end, and a second pipe having a substantially cylindrical second end, wherein the first end comprises a threaded portion, and is adapted to slidably engage the second end, the first or second end comprising a key portion that is adapted to engage a keyway disposed on the other of the first or second end, rotationally locking the first pipe relative to the second pipe; and a coupling member having a substantially cylindrical shape and adaptable to be rotatably attached to the second end, the coupling member further comprising a threaded portion operable to engage the threaded portion of the first end when the first end slidably engages the second end, thereby removably coupling the first pipe to the second pipe in a keyed, end to end relationship.