Through-fittings and below grade junction boxes equipped...

Details Through-fittings and below grade junction boxes equipped... Through-fittings and below grade junction boxes equipped...

2005-05-17

2005-05-17

Reichard, Dean A. (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

C174S068300, C174S078000, C174S07700S, C174S07400A

Reexamination Certificate

active

06894225

ABSTRACT:
A through-fitting for a box or bulkhead contains a cavity which holds grease. When the through-fitting is tightened, grease from the cavity is automatically injected to seal the through-fitting. The through-fitting may be used in below-grade junction boxes. A junction box has various useful features. The junction box can be conveniently injection-molded. The junction box has application in fields including wired telephone connections.

REFERENCES:
patent: 3584900 (1971-06-01), Lennon et al.
patent: 4692561 (1987-09-01), Nattel

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