Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Reexamination Certificate
2005-06-21
2005-06-21
Walton, George L. (Department: 3753)
Fluid handling
With repair, tapping, assembly, or disassembly means
Tapping a pipe, keg, or apertured tank under pressure
C030S093000, C137S015140, C285S197000, C408S067000, C408S101000
Reexamination Certificate
active
06907896
ABSTRACT:
Tapping fitting (1) suitable for application to a plastic pipe (P), comprising: a housing (5) including a hollow main section (6), the housing being attachable to a pipe (P); a cutter assembly (13) mountable within the hollow main section (6) and axially moveable therein into a cutting position wherein the cutting blade (14) engages the surface of a pipe (P) to which the fitting is attached; and a direct seal (23) between the housing (5) and the cutter assembly (13), wherein, in use, the seal (23) is maintained between the housing (5) and the cutter assembly (13) regardless of the axial position of the cutter assembly (13) within the housing (5).
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Bowman Bowman A.
Christodoulou Mario J.
Sheridan & Ross P.C.
Uponor Innovation AB
Walton George L.
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