Nuova Roj Electrotex S.r.l.

Nuova Roj Electrotex S.r.1.

Roberto Bertolone

Bruno Maina

In a yarn braking device (B) of a yarn feeder (F) for looms&mdash;of the type comprising an annular brake element (E) having a substantially conical and circumferentially continuous braking portion (P), of which at least the radial flexibility is significant and which is positioned coaxial to a body shaped as a drum (,), around which is wound a weft yarn reserve, under an axial spring load (K) and in peripheral contact, along an essentially circular braking zone (Z), with a rim (W) of said drum (,) from which the yarn (Y) is withdrawn, and a flexible and wearproof friction surface structure (S) provided on said braking portion (P) in said braking zone (Z)&mdash;said friction surface structure (S) is formed by a plurality of separate elements (C) contacting said braking portion (P) in said braking zone (Z) and movable one in respect of the other.

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Ponzone Biellese, Italy

Roberto Bertolone