Patent ID: 6811190
Filing Date: 2004-11-02
Classification: F16L,F23J

Abstract:
A tab-lock fastener for securing a first vent pipe section to a second vent pipe section, each of the first and second vent pipe sections having a formed male end and a formed female end, the tab-lock fastener comprising:a guide formed on the male end of each of the first and second vent pipe sections, the guide comprising: an entry area; a slot; and a tab-lock receptacle; an engaging tab formed on the female end of each of the first and second vent pipe sections; and a locking tab defined on the female end of each of the first and second vent pipe sections of vent pipe; wherein the first vent pipe section is joined to the second vent pipe section by inserting the engaging tab of the first vent pipe section into the entry area of the second vent pipe section and rotating the first vent pipe section with respect to the second vent pipe section so that the engaging tab of the first vent pipe section matingly engages the slot of the second vent pipe section, and wherein the first vent pipe section is secured to the second vent pipe section by pressing the locking tab of the first vent pipe section inwardly.