Resin case in which gas-permeability and waterproof quality...

Details Resin case in which gas-permeability and waterproof quality... Resin case in which gas-permeability and waterproof quality...

H - Electricity

05

K

H05K 5/02 (2006.01)

Patent

CA 2351543

A through hole (50) with an annular groove (52) provided about its periphery is formed in a resin case (10). The through hole (50) is covered with a water/oil-repellent film (40) comprising a porous film (44). The through hole (50) makes the resin case (10) gas-permeable, and the water/oil--repellent film (40) prevents entry of external water and oil, etc.

L'invention concerne un boîtier (10) en résine comportant un orifice traversant (50) autour duquel on a pratiqué une rainure annulaire. L'orifice traversant (50) est recouvert d'un film (40) repoussant l'eau et l'huile comprenant une couche poreuse (44). Ainsi, le boîtier (10) en résine est perméable à l'air du fait de la présence de l'orifice traversant (50) et il peut empêcher l'entrée d'eau extérieure, d'huile extérieure ou analogue du fait de la présence du film (40) repoussant l'eau et l'huile.

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