Coupling device

Details Coupling device Coupling device

1996-05-20

1997-11-18

Arola, Dave W.

Pipe joints or couplings

Elbow

285177, 285338, F16L 5500

Patent

active

056879989

ABSTRACT:
A coupling device includes a coupling body, an expandable ring, a washer and a press guide tube. The coupling body includes a substantially cylindrical coupling head and a screw rod; wherein the coupling head consists essentially of an obliquity portion and a receiving portion, a longitudinal slot being provided within the coupling body and passing therethrough, the longitudinal slot communicating with the gas or liquid inside a to-be-detected device or object. The expandable ring and the washer are respectively fitted onto the receiving portion of the coupling body. The expandable ring is provided to enable the coupling body and a circular slot to be coupled tightly. The washer prevents the gas or liquid leakage from the contact surface between the coupling body and the circular slot.

REFERENCES:
patent: 2031754 (1936-02-01), Bacigalupi
patent: 2574109 (1951-11-01), Kane et al.
patent: 3421782 (1969-01-01), Kalish et al.
patent: 3709260 (1973-01-01), Windle
patent: 3768839 (1973-10-01), Thompson

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