Ventilation means

摘要

This invention relates to a ventilation means, particularly for ventilating surfaces close to or in contact with persons, having at least one air-ducting means which comprises at least a barrier layer, a covering layer and, therebetween, a distribution layer, at least one barrier layer being arranged on a side of said distribution layer facing away from the user, and at least one covering layer being arranged on a side of said distribution layer facing toward a person.

主权项

1. A Ventilation means for ventilating surfaces close to or in contact with a user, the ventilation means comprising:
at least one air-ducting means which comprises
1) at least one barrier layer,2) at least one covering layer including:
i. an air permeable layer including an air permeability between 10 l/(dm2×min) and 100 l/(dm2×min); andii. a water permeable layer allowing the passage of water through the water permeable layer and including a vapor permeability of less than 10 m and greater than 0 m according to DIN 4108-3;3) a distribution layer located between the at least one barrier layer and the at least one covering layer, wherein the at least one barrier layer is arranged on a side of said distribution layer facing away from the user, the at least one covering layer is arranged on a side of said distribution layer facing toward the user, and the barrier layer and the covering layer project at least partially beyond one or more edges of the distribution layer and are connected together, wherein the at least one covering layer is at least partially vapor-permeable, and wherein the at least one barrier layer at least partially inhibits passage of air and/or vapor.