초록

An improved self-tightening fitting and fitting connector for use with soft tubing includes a stem having a flange at one end over which a piece of soft tubing may be pulled, and a sleeve which is slidable over the stem and has an inwardly extending lip with a connect surface thereon.

대표청구항 ▼

An improved fitting for use with soft tubing, comprising: a body section defining an axially extending passage therein; stem means adapted for receiving a section of soft tubing over at least a portion thereof, said stem means extending axially from said body section and having a passage defined the

An improved fitting for use with soft tubing, comprising: a body section defining an axially extending passage therein; stem means adapted for receiving a section of soft tubing over at least a portion thereof, said stem means extending axially from said body section and having a passage defined therein which is in communication with said body section passage; radially extending flange means at an end of said stem means that is distal from said body section and adapted for sealing against an inner wall of the tubing; sleeve means mounted for sliding movement on said stem means and having an annular contact surface defined thereon adapted for sealing against an outer wall of the tubing, the radial distance between said flange means and the contact surface of said sleeve means being less than the thickness of the soft tubing; stop means intermediate of the radially extending flange means and the body section for limiting axial movement of the sleeve means toward the radially extending flange means; and means for resisting movement of said sleeve means toward said body section, whereby a section of soft tubing may be tightly secured, in communication with said passages, between said sleeve means and said flange means.