Patent ID: 6682119
Filing Date: 2004-01-27
Classification: B60H

Abstract:
Device for sealing between an element for partitioning two distinct regions and a given fixture, placed in front of an aperture formed in the partition, against one of its faces receiving a soundproofing coating, in such a way as to allow communication between the regions through the fixture, by way of a sealing gasket,wherein said sealing gasket consists of an extension of the soundproofing coating itself, extending in the direction of the peripheral edges delimiting the aperture of the partition and with a value such as to allow integral peripheral contact with a peripheral region of the fixture to be put in place, and wherein the soundproofing coating consists of a lightweight polyurethane foam, absorbing the low-frequency vibration, in contact with the partition, its visible outer face being coated with a skin of dense elastomer, of heavy weight, forming a high-frequency vibration filter, this skin being taken off the soundproofing coating in the region around the aperture of the partition, corresponding to the gasket-forming part, in such a way that the gasket consists exclusively of polyurethane foam, coming into contact with the peripheral region of the fixture.