| 摘要 |
The disclosure relates to a tube coupling device comprising a cylindrical cartridge having a throughway containing a tube locking device for locking a tube inserted into the throughway at one end of the cartridge. The outer side of the cartridge has an encircling rebate at said one end in which a grab ring of V-shaped cross-section is mounted with the V diverging towards said one end. One outer limb of the V projects outwardly of the outer cylindrical surface of the cartridge in its relaxed condition to grip and lock the cartridge in a bore in a further component.
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