Pipe coupler with tongue and groove sealing sleeve

Details Pipe coupler with tongue and groove sealing sleeve Pipe coupler with tongue and groove sealing sleeve

2006-04-11

2006-04-11

Hewitt, James M. (Department: 3679)

Pipe joints or couplings

Sleeve

Dependent

C285S420000, C285S913000, C285S330000, C285S373000

Reexamination Certificate

active

07025393

ABSTRACT:
A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the confronting free ends of the sleeve. The sealing joint has a member at the mating edges to provide a resilient interference fit of the tongue-and-groove.

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