Electricity: conductors and insulators – Overhead – Towers – poles or posts
Reexamination Certificate
2006-02-14
2006-02-14
Patel, Dhiru R. (Department: 2831)
Electricity: conductors and insulators
Overhead
Towers, poles or posts
C174S0450TD, C174S07700S
Reexamination Certificate
active
06998530
ABSTRACT:
A poke through includes a tube assembly having inner and outer tube sections that are slidably telescopically disposed together. A lip protrudes from the outer end of at least one of the tube sections. A cup is selectively and removably disposed on one of the tube sections. The cup has a body plate and a flange. A portion of the lip on the tube section on which the cup is disposed engages the front surface of the body plate. In one embodiment, an adjustable plug has a plurality of selectively removable rings. The adjustable plug fits inside one of the tube sections to seal and insulate the poke through both before and after the poke through is in use.
REFERENCES:
patent: 6583357 (2003-06-01), Rubenstein et al.
Patel Dhiru R.
Snyder National Corporation
Zollinger & Burleson Ltd.
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