Glazed unit comprising a profiled bead with a foaming agent and a bonded cover piece as well as the method for manufacturing the glazed unit
A glazed unit includes a glazed element, and including a profiled bead having a base which has a thickness of at least 5 mm, the base of the profiled bead including a material incorporating a foaming agent, wherein the glazed unit includes a cover piece including a cover baseplate extending substantially parallel to the base and further toward the exterior than the base, the cover piece adhering to the profiled bead using an adhesive layer sandwiched between a face of the cover baseplate and a face of the base.
1 . A glazed unit comprising:
a glazed element producing a separation between an exterior space and an interior space, and including a profiled bead having, seen in cross-section, a base which is located in contact with a face of said glazed element and which has a thickness of at least 5 mm from said face, said base of the profiled bead including a material incorporating a foaming agent,
wherein the thickness of the base is higher than a thickness of a remainder of said profiled bead and the foaming agent forms bubbles in the base, including at an exterior surface thereof, such that the base is of a lower density than the remainder of said profiled bead, and
a cover piece including a cover baseplate extending substantially parallel to said base and further toward an exterior than said base,
an adhesive layer adhering said cover piece adhering to the exterior face of the base of said profiled bead, the adhesive layer being sandwiched between an interior face of said cover baseplate and the exterior face of said base.
2 . The glazed unit according to claim 1 , wherein said base of the profiled bead is based on, or is made of, thermoplastic elastomer (TPE).
3 . The glazed unit according to claim 1 , wherein said base of the profiled bead does not include a filler or reinforcement piece.
4 . The glazed unit according to claim 1 , wherein said base has a density at least 5% lower than a density of another part of the profiled bead.
5 . A method for manufacturing a glazed unit according to claim 1 , said glazed unit comprising a glazed element producing a separation between an exterior space and an interior space, and including a profiled bead having, seen in cross-section, a base which is located in contact with a face of said glazed element and which has a thickness of at least 5 mm from said face, a foaming agent being incorporated into said base of the profiled bead during manufacturing of said profiled bead by molding and wherein the thickness of the base is higher than a thickness of a remainder of said profiled bead and the foaming agent forms bubbles in the base, including at an exterior surface thereof, such that the base is of a lower density than the remainder of said profiled bead, the method comprising:
after the manufacturing of said profiled bead by molding, sandwiching an adhesive layer between the exterior face of said base and an interior face of said cover baseplate of a cover piece, said cover baseplate extending substantially parallel to said base and further toward the exterior than said base, in order to adhere said cover piece to said profiled bead.
6 . The glazed unit according to claim 4 , wherein said base has a density between 5% and 45% lower than the density of another part of the profiled bead.
7 . The glazed unit according to claim 6 , wherein said base has a density between 10% and 35% lower than the density of another part of the profiled bead.
8 . The glazed unit of claim 1 , wherein the bubbles in said base have a diameter between 50 to 2,000 microns.
9 . The glazed unit of claim 1 , wherein said cover piece is attached only by said adhesive layer with no other attachment therefor.
10 . The glazed unit of claim 1 , wherein at least 100 N in pulling force is required to pull and detach said cover piece from said base.
11 . The glazed unit of claim 1 , wherein said base has a density between 10% and 35% lower than the density of than the remainder of said profiled bead.
12 . The glazed unit of claim 1 , wherein the bubbles in said base have a diameter between 50 to 2,000 microns and said base has a density between 10% and 35% lower than the density of than the remainder of said profiled bead, and
wherein said cover piece is attached only by said adhesive layer with no other attachment therefor and at least 100 N in pulling force is required to pull and detach said cover piece from said base.
13 . A glazed unit comprising:
a glazed element producing a separation between an exterior space and an interior space, and including a profiled bead having, seen in cross-section, a base which is located in contact with a face of said glazed element and which has a thickness of at least 5 mm from said face, said base of the profiled bead including a material incorporating a foaming agent,
wherein the thickness of the base is higher than a thickness of a remainder of said profiled bead and the foaming agent forms bubbles in the base such that the base is of a lower density than the remainder of said profiled bead, and
a cover piece including a cover baseplate extending substantially parallel to said base and further toward an exterior than said base,
an adhesive layer adhering said cover piece adhering to the exterior face of the base of said profiled bead, the adhesive layer being sandwiched between an interior face of said cover baseplate and the exterior face of said base;
wherein said base has a density between 10% and 35% lower than the density of than the remainder of said profiled bead, and
wherein said cover piece is attached only by said adhesive layer with no other attachment therefor and at least 100 N in pulling force is required to pull and detach said cover piece from said base.
14 . The glazed unit according to claim 13 , wherein the bubbles in said base have a diameter between 50 to 2,000 microns.
15 . A method for manufacturing a glazed unit according to claim 13 , said glazed unit comprising a glazed element producing a separation between an exterior space and an interior space, and including a profiled bead having, seen in cross-section, a base which is located in contact with a face of said glazed element and which has a thickness of at least 5 mm from said face, a foaming agent being incorporated into said base of the profiled bead during manufacturing of said profiled bead by molding and wherein the thickness of the base is higher than a thickness of a remainder of said profiled bead and the foaming agent forms bubbles in the base such that the base is of a lower density than the remainder of said profiled bead, wherein said base has a density between 10% and 35% lower than the density of than the remainder of said profiled bead, the method comprising:
after the manufacturing of said profiled bead by molding, sandwiching an adhesive layer between the exterior face of said base and an interior face of said cover baseplate of a cover piece, said cover baseplate extending substantially parallel to said base and further toward the exterior than said base, in order to adhere said cover piece to said profiled bead, wherein said cover piece is attached only by said adhesive layer with no other attachment therefor and at least 100 N in pulling force is required to pull and detach said cover piece from said base.
16 . The glazed unit according to claim 1 , wherein the profiled bead comprises a pair of exterior wings on opposing sides of the base in spaced relation thereto, the wings extending outwardly away from the glazed unit.
17 . The glazed unit according to claim 5 , wherein the profiled bead comprises a pair of exterior wings on opposing sides of the base in spaced relation thereto, the wings extending outwardly away from the glazed unit.
18 . The glazed unit according to claim 13 , wherein the profiled bead comprises a pair of exterior wings on opposing sides of the base in spaced relation thereto, the wings extending outwardly away from the glazed unit.
19 . The glazed unit according to claim 15 , wherein the profiled bead comprises a pair of exterior wings on opposing sides of the base in spaced relation thereto, the wings extending outwardly away from the glazed unit.