Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Reexamination Certificate
2011-08-30
2011-08-30
Barnie, Rexford (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
C361S134000, C361S117000, C361S121000
Reexamination Certificate
active
08009402
ABSTRACT:
The invention relates to a surge arrester having a cage design, and to a method for its production. According to the invention, during extrusion-coating or encapsulation of a module comprising two end fittings (3) and a plurality of varistor blocks (1) and at least one reinforcing element (9) in order to form the outer housing (5), first through-holes (11) for the reinforcing element (9) thereof are sealed with silicone. For this purpose, second through-holes (15) are provided in the end fittings (3), through which the silicone runs during casting or spraying, and enters the through-holes (11) from the outside, in order in this way to seal them against water and moisture.
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Barnie Rexford
Kitov Zeev
McCracken & Frank LLP
Tridelta Uberspannungsableiter GmbH
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