| 摘要 |
A flexible connection for use between two pipes of a suction conduit to convey gritty substances, the angle between the two pipes being variable, comprises a frame pivoted to one pipe about a first axis transverse to the central axis of one pipe, a carrier spaced apart from the frame fixed in relation to the other pipe, means interconnecting the frame and the carrier, said means being pivoted to the frame and to the carrier on substantially parallel second axes, the pivot axis between the said interconnecting means and the frame being substantially perpendicular to the first axis, an articulated conduit portion including a series of annular members articulated together and a flexible hose surrounding said annular members and connected to said two pipes.
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