Joint device for drain pipes

An assembly comprising:

• a joint device including a structural tube made of a rigid material and providing structural integrity to the joint device, the structural tube defining at least part of a drain passage of the joint device, a bottom portion of the structural tube having diametrical dimensions for complementary sealing engagement with a pipe of a drain network and an annular seal of resilient sealing material integrally connected to an upper portion of the structural tube to define at least an inner surface of a portion of the drain passage of the joint device, the annular seal having inner diametrical dimensions for sealing engagement with a tailpiece slid downwardly into engagement with the joint device, and
• a tailpiece having an outer diameter sized for penetrating the drain passage and for sealing engagement with the annular seal when slid into engagement with the joint device.

A method for installing a drain assembly comprising:

• forming a permanent sealed joint between a joint device and an upwardly-open pipe of a pipe network;
• and
• completing a sealing interconnection between a tailpiece and the joint device by sliding the tailpiece through a drain hole into an open top end of a drain passage of the joint device to form a sealing engagement between an annular seal integral to the joint device and an outer diameter of the tailpiece.