Pipe joints or couplings – With means blocking release of holding means – Key or pin
Patent
1988-11-08
1990-03-13
Arola, Dave W.
Pipe joints or couplings
With means blocking release of holding means
Key or pin
285331, 285354, 285388, 285903, 285917, F16L 5500
Patent
active
049078305
ABSTRACT:
A fluid coupling for a corrugated pipe, comprising a coupling body having an axial through hole including a pipe insertion portion and a fluid passage portion, metallic seal means arranged on the fluid passage side of the pipe insertion portion, for sealing an end portion of a corrugated pipe pressed against the same, clamp means having at least three segments arranged in the circumferential direction and adapted to tightly hold the peripheral portion of the corrugated pipe inserted in the insertion portion, and retaining means for axially and immovably retaining the clamp means so that the end portion of the corrugated pipe is pressed against the seal means, to be sealed thereby.
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Kobayashi Yoshikazu
Makishima Reichi
Sasa Takeya
Arola Dave W.
Nitto Kohki Co. Ltd.
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