Ventilated seating assembly
A ventilated seating assembly comprises a first rigid component, a foam layer, and a second rigid component. The first rigid component comprises formed cloth and has a bonding surface, a ventilation surface opposite the bonding surface, and a 3-dimensional profile. The foam layer has an A-surface and a B-surface opposite the A-surface with the first rigid component bonded to the B-surface of the foam layer such that a portion of the B-surface includes the 3-dimensional profile. The second rigid component comprises a polymeric material affixed to a portion of the ventilation surface of the first rigid component. The first and second rigid components define a cavity including a plurality of air passageways defined by the 3-dimensional profile of the first rigid component.
1 . A ventilated seating assembly comprising:
a first rigid component comprising formed cloth and having a bonding surface, a ventilation surface opposite said bonding surface, and a 3-dimensional profile;
a foam layer having an A-surface and a B-surface opposite said A-surface with said first rigid component bonded to said B-surface of said foam layer such that a portion of said B-surface includes said 3-dimensional profile; and
a second rigid component comprising a polymeric material affixed to a portion of said ventilation surface of said first rigid component, said first and second rigid components defining a cavity therebetween with said cavity including a plurality of air passageways defined by said 3-dimensional profile of said first rigid component.
2 . The ventilated seating assembly as set forth in claim 1 wherein said first rigid component defines a plurality of ventilation ports.
3 . The ventilated seating assembly as set forth in claim 2 wherein said foam layer defines a plurality of ventilation channels in fluid communication with said ventilation ports.
4 . The ventilated seating assembly as set forth in claim 1 wherein said second rigid component defines a port.
5 . The ventilated seating assembly as set forth in claim 1 wherein said first rigid component comprises a plurality of layers.
6 . The ventilated seating assembly as set forth in claim 5 wherein said first rigid component comprises two non-woven layers with a polymeric binder layer disposed therebetween.
7 . The ventilated seating assembly as set forth in claim 6 wherein said polymeric binder layer comprises polyethylene.
8 . The ventilated seating assembly as set forth in claim 6 wherein said non-woven layer comprises polyethylene terephthalate.
9 . The ventilated seating assembly as set forth in claim 5 wherein said first rigid component comprises a non-woven layer and a polymeric binder layer.
10 . The ventilated seating assembly as set forth in claim 1 wherein said second rigid component comprises formed cloth.
11 . The ventilated seating assembly as set forth in claim 1 wherein said first rigid component has a weight per unit area of from 100 to 500 g/m 2 .
12 . The ventilated seating assembly as set forth in claim 1 wherein said 3-dimensional profile of said first rigid component cooperates with said second rigid component to define a first plurality of rows of air passageways and a second plurality of rows of air passageways angularly off-set from said first plurality of rows of air passageways.
13 . The ventilated seating assembly as set forth in claim 1 wherein said 3-dimensional profile defines a plurality of peaks and a plurality of valleys that define said plurality of air passageways.
14 . The ventilated seating assembly as set forth in claim 1 wherein said 3-dimensional profile defines a bonding portion disposed about an exterior of said first rigid component and said second rigid component is shaped to receive said bonding portion.
15 . The ventilated seating assembly as set forth in claim 1 wherein said first and said second rigid components are hermetically bonded to one another.
16 . The ventilated seating assembly as set forth in claim 1 wherein said first rigid component is bonded to said foam layer via co-molding.
17 . The ventilated seating assembly as set forth in claim 1 further comprising a durability layer, said durability layer positioned on an outer perimeter of said bonding surface of said first rigid component and on an outer perimeter of said B-surface of said foam layer.
18 . A method of forming a ventilated seating assembly comprising a foam layer, a first rigid component comprising formed cloth having a 3-dimensional profile, and a second rigid component comprising a polymeric material affixed to the first rigid component, the method comprising the steps of:
bonding a plurality of layers comprising at least one non-woven layer and at least one polymeric layer to form the first rigid component having a bonding surface, a ventilation surface, and a 3-dimensional profile;
inserting the first rigid component into a mold;
reacting a polyurethane system in the mold to dispose the foam layer having an A-surface and a B-surface on the first rigid component, with the first rigid component bonded to the B-surface of the foam layer such that a portion of the B-surface includes the 3-dimensional profile; and
bonding the second rigid component to the first rigid component to form a cavity including a plurality of air passageways defined by the 3-dimensional profile of the first rigid component.
19 . The method of claim 18 further comprising the step of heating the plurality of layers.
20 . The method as set forth in claim 18 wherein the step of bonding the plurality of layers is further defined as bonding two non-woven layers with a polymeric binder layer disposed therebetween to form the first rigid component having a weight per unit area of from 100 to 500 g/m 2 .
21 . The method as set forth in claim 18 further comprising the step of forming a plurality of ventilation ports in the first rigid component.
22 . The method as set forth in claim 18 further comprising the step of positioning the first rigid component into the mold with the plurality of ventilation ports.
23 . The method as set forth in claim 18 further comprising the step of inserting a durability layer into the mold and positioning the durability layer in the mold to create contact between the durability layer and an outer perimeter of the bonding surface of the first rigid component and contact between the durability layer and an outer perimeter of the B-surface of the foam layer.
24 . The method as set forth in claim 18 further comprising the step of applying adhesive to an outer periphery of the first and/or the second rigid component prior to the step of bonding the first rigid component to the second rigid component.
25 . A ventilation system for use in a seat, the ventilation system comprising:
a foam layer having an A-surface and a B-surface opposite the A-surface;
a first rigid component comprising formed cloth having a 3-dimensional profile and defining a plurality of ventilation ports and bonded to the B-surface such that a portion of the B-surface includes the 3-dimensional profile;
a second rigid component comprising formed cloth affixed to the first rigid component and defining a port, the first and second rigid components defining a cavity therebetween with the cavity including a plurality of air passageways defined by the 3-dimensional profile of the first rigid component; and
a fan connected to said port and in fluid communication with said cavity.