.~ Element in insulation with outer metallic sheath {6}
251
.~.~ Sheath embraces or folds over insulation
DEFINITION
Classification: 338/251
(under subclass 243) Subject matter wherein the metallic sheath is formed as a sheet and surrounds the solid insulation, the two opposite sides of the sheet either substantially meeting or overlapping.
(1) Note. In this subclass the metallic sheath is usually formed as a C, the ends of the C substantially meeting or overlapping around the solid insulation; or the metallic sheath is formed a bendable sheet, and is wrapped around the solid insulation with some overlapping.
SEE OR SEARCH THIS CLASS, SUBCLASS:
259, for incased, embedded, or housed resistors, the casing or housing being wound over the resistance element.