Noise attenuating flexible cutting line for use in rotary...

Details Noise attenuating flexible cutting line for use in rotary... Noise attenuating flexible cutting line for use in rotary...

A - Human Necessities

01

D

A01D 34/68 (2006.01) A01D 34/416 (2006.01) D02G 3/44 (2006.01)

Patent

CA 2453197

A noise attenuating cutting line (10) for use in rotary vegetation trimmers formed by a pair of molten monofilament strands (10a, 10b) in proximate disposition through a rotating die (40) so as to form a line comprised of two monofilament polymer strands bonded together in a twisted disposition about a central longitudinal axis so as to define a pair of substantially V-shaped opposed troughs (12a, 12b) extending helically along and about the line.

L'invention se rapporte à une ligne de coupe (10) atténuatrice de bruit, utilisée dans les tailleuses pour herbe rotatives et formée d'une paire de brins monofilaments fondus (10a, 10b) situés à proximité les uns des autres à travers une matrice rotative (40) de manière à former une ligne contenant deux brins polymères monofilaments liés ensemble selon une configuration torsadée autour d'un axe longitudinal central afin de définir une paire de goulottes (12a, 12b) sensiblement opposées, en forme de V, et qui s'étendent en hélice le long et autour de la ligne.

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