Pipe joints or couplings – Nonmetal to metal – Internal member
Reexamination Certificate
2006-03-21
2006-03-21
Hewitt, James M. (Department: 3679)
Pipe joints or couplings
Nonmetal to metal
Internal member
C285S245000, C285S256000, C285S259000
Reexamination Certificate
active
07014216
ABSTRACT:
A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cross-sections. The first and second sections are to be disposed within the end of the piping. The nut, with an internal threaded surface, is made of a material harder than the one used in the piping and with a higher or equal hardness than the one on the joint end sleeve. The nut is configured to press the end of the piping around the first and second sections
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Barrientos Sergio
Mittersteiner Melchor
Hewitt James M.
Shlesinger & Arkwright & Garvey LLP
THC International, LLC
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