H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 9/00 (2006.01) H02G 15/105 (2006.01)
Patent
CA 2454836
An electro-magnetic wave shield cover having an array of first yarn members (10) formed by bundling 48 ends of polyester fibers around which a tin-plated copper metallic foil (12) is wound. The second yarn member (20) is formed by bundling 96 ends of polyester fibers. Doubled-yarn groups (10A, 10B, 10C, 10D) of the first yarn members running in the first direction from upper right to lower left and doubled-yarn groups (20A, 20B, 20C, 20D) of the second yarn members (20) running in the first direction, and doubled-yarn groups (10a, 10b, 10c, 10d) of the first yarn members running in the second direction from upper left to lower right and doubled-yarn groups (20a, 20b, 20c, 20d) of the second yarn members running in the first direction are arranged so that the interlacing is made in such a manner that if the doubled-yarn group running in the one direction is twice disposed beneath the doubled-yarn groups running in the other direction, then it is twice disposed above the latter.
L'invention concerne un couvercle pour écran d'ondes électromagnétique comportant un réseau de premiers fils (10) formés par la mise en faisceau de 48 extrémités de fibres de polyester autour desquelles on embobine un feuil métallique de cuivre plaqué étain (12). Le deuxième fil (20) est formé par la mise en faisceau de 96 extrémités de fibres de polyester. Des groupes de fils doubles (10A, 10B, 10C, 10D) des premiers fils allant dans la première direction du coin droit supérieur au coin gauche inférieur et des groupes de fils doubles (20A, 20B, 20C, 20D) du deuxième fil allant dans la deuxième direction du coin gauche supérieur au coin droit inférieur sont aménagés de manière à ce que l'entrelacement est fait de manière à ce que si le groupe de fils doubles allant dans la première direction est disposé deux fois sous les groupes de fils doubles allant dans l'autre direction, il est disposé deux fois au-dessus de ce dernier.
Iwasaki Atsuo
Numaguchi Toshikazu
Takahashi Yoshihiko
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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