Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2006-09-19
2006-09-19
Omgba, Essama (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S450000, C029S451000, C285S055000, C285S351000, C285S363000, C285S382400, C277S608000, C277S626000
Reexamination Certificate
active
07107662
ABSTRACT:
A method and apparatus for coupling together the ends of two steel pipe sections, each of which contains a permeable inner liner, in which not only are the pipe ends held in abutting engagement, but gas contained within the liner of one pipe section is effectively channeled into the liner of the other pipe section.
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Arant Gene W.
Arant, as Trustee Gene W.
Omgba Essama
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