Patent ID: 9683351
Date: 2017-06-20
CPC Classifications: B21D,E03C,F16L

Claim:
1. An opening for a metal faucet comprising an outlet neck having an opening with an outer threaded section at an outer edge and a curved stopping ring having a tapered end in contact with an inner surface of the outer threaded section, and an elongated gap is formed between an inner surface of the curved stopping ring and the inner portion of the opening, wherein the outlet neck is engaged with a locking member at the outer threaded section, and another end of the locking member has a limiting ring for being connected to an external pipe, wherein a sealing ring is disposed on to an outer end of the stopping ring, and another end of the sealing ring is in contact with the external pipe, and the stopping ring is configured to increase a contact area of the sealing ring such that the sealing ring is securely sandwiched between the stopping ring and the external pipe.