Patent ID: 7122144

Claim:
A method of making a water conduit connector for a sports water bag, comprising steps of: a. providing a mold which comprises a hole allowing a mobile core mold to go inside, a sprue, positioning holes, and a top rejecting hole going through to a mold cavity, inside of which is provided with threaded grooves and a pipe neck portion; b. disposing and positioning a water hose in the cavity formed by the mold; c. closing the mold and inserting positioning pins through the positioning holes into the mold for holding a head of the hose, which is fastened by way of the clamp of molds on the pipe neck of the hose; a mobile core mold being subsequently inserted from an inlet into the mold, such that the core mold will stretch a distance into the hose to serve as a padding for an interior wall of the hose; d. injecting liquid hard plastic material from the sprue into the cavity of the mold, such that a threaded connecting base can be integrally formed at an end of the hose; e. detaching the mold by way of inserting a pin info the top rejecting holes and separating the hose integrally formed with a threaded connecting base from the mold; and f. blowing high pressure air info a free end of the hose to force the core mold to detach from the interior wall of the hose thereby obtaining a firmly connected, integrally formed hose with a threaded connecting base.