Apparatus and process for installing “T”...

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement

Reexamination Certificate

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Details

C405S184300, C285S021100, C285S197000

Reexamination Certificate

active

07018137

ABSTRACT:
A tool assembly and a process for using it is provided, wherein a single elongate handle member may be used, through a small hole at the ground surface, to reach underground pipes for installing different sized strap “T” couplings on different sized pipes, and for driving sleeve members associated with said strap “T” couplings, pneumatically, from above ground, to engage pipes at various locations below ground.

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