A laminate of metal layers and plastic bonding layers situated between the metal layers includes two external metal layers extending substantially continuously and at least one internal metal layer. At least one of the internal metal layers has at least one opening, and at the position of the openin
A laminate of metal layers and plastic bonding layers situated between the metal layers includes two external metal layers extending substantially continuously and at least one internal metal layer. At least one of the internal metal layers has at least one opening, and at the position of the opening the other metal layers and plastic bonding layers are bonded together to the form of a packet of lower thickness. The relatively thick parts of the laminate can be used for the transfer of forces.
대표청구항▼
1. A laminate, comprising: metal layers (1-3, 9);plastic bonding layers (4-6) situated between the metal layers (1-3, 9), two external metal layers (1, 3) extending substantially continuously; andat least one internal metal layer (2, 9), wherein,at least one of the internal metal layers (9) has at l
1. A laminate, comprising: metal layers (1-3, 9);plastic bonding layers (4-6) situated between the metal layers (1-3, 9), two external metal layers (1, 3) extending substantially continuously; andat least one internal metal layer (2, 9), wherein,at least one of the internal metal layers (9) has at least one opening (10),at a position of the opening (10) the other metal layers (1-3) and the plastic bonding layers (4-6) are bonded together to form a packet of lower thickness,at least one of the openings (10) is peripherally closed,the metal layer provided with the peripherally closed opening (10) is situated between the plastic bonding layers (5, 6) and is bonded on either side to the plastic bonding layers (5, 6),the plastic bonding layers (5, 6) continue without interruption at a position of the peripherally closed opening (10) and are bonded together at that point, andat a location of the packet of lower thickness, an external layer (3) which extends continuously at said location has a stepwise recessed area (12) a step height of which is equal to a thickness of a single metal layer provided with the peripherally closed opening (10), and each internal metal layer (9) with a peripherally closed opening (10) being free from steps. 2. The laminate according to claim 1, in which a total surface area of the openings (10) is of a same order of magnitude as a surface area of a remainder (13) of the metal layer (9) provided with openings. 3. The laminate according to claim 1, in which a total surface area of the openings (10) is greater than a surface area of a remainder (13) of the metal layer (9) provided with openings. 4. The laminate according to claim 1, in which at least one of the plastic bonding layers (5, 6) comprises a fibre reinforcement. 5. The laminate according to claim 4, in which the metal layer (9) provided with the openings (10) is situated between the plastic bonding layers, and bonded on one side to a fibre-reinforced plastic bonding layer and on the other side is bonded to a bonding layer (14) without fibre reinforcement to a further metal layer (2). 6. The laminate according to claim 5, in which at the position of the opening (10) the fibre-reinforced plastic bonding layer (6) which is bonded to the metal layer (9) provided with an opening is bonded to the further metal layer (2). 7. The laminate according to claim 1, in which several internal metal layers are provided, at least two of which have at least one opening, and in which the openings of different metal layers at least partially cover each other. 8. The laminate according to claim 7, in which the openings are aligned relative to each other and together form a stepped narrowing. 9. The laminate according to claim 1, in which the metal layer (9) provided with an opening forms a framework (13). 10. The laminate according to claim 1, in which at least one of the metal layers with at least one opening comprises metal layer parts connecting to each other. 11. The laminate according to claim 1, in which the thickness of a metal layer is less than 1.5 mm. 12. The laminate according to claim 1, in which the thickness of a metal layer lies between 0.1 and 0.8 mm. 13. The laminate according to claim 1, in which at least one said plastic bonding layer comprises fibres of carbon, aramid or glass. 14. The laminate according to claim 1, in which the metal layers comprise at least one selected from the group consisting of Al, Cu, Mg, Ti, Sc and alloys of those metals. 15. The laminate according to claim 1, wherein the plastic bonding layers (5, 6) are fibre-reinforced, and remaining open areas are filled with an adhesive (11). 16. The laminate according to claim 1, wherein at least one of the internal metal layers (9) comprises two interrupted metal layers (9, 9′), and there is a layer of adhesive (14) between the two interrupted metal layers (9, 9′). 17. The laminate according to claim 16, wherein the layer of adhesive (14) is without fibre reinforcement. 18. A laminate, comprising: metal layers (1-3, 9);plastic bonding layers (4-6) situated between the metal layers (1-3, 9), two external metal layers (1, 3) extending substantially continuously; andat least two internal metal layers (2, 9) are bonded to each other with adhesive, wherein,at least one of the internal metal layers (9) has at least one opening (10),at a position of the opening (10) the other metal layers (1-3) and the plastic bonding layers (4-6) are bonded together to form a packet of lower thickness,at least one of the openings (10) is peripherally closed,the metal layer provided with the peripherally closed opening (10) is situated between the plastic bonding layers (5, 6) and is bonded on either side to the plastic bonding layers (5, 6),the plastic bonding layers (5, 6) continue without interruption at a position of the peripherally closed opening (10) and are bonded together at that point, andat a location of the packet of lower thickness, an external layer (3) which extends continuously at said location has a stepwise recessed area (12) a step height of which is equal to a thickness of a single metal layer provided with the peripherally closed opening (10), and each internal metal layer (9) with a peripherally closed opening (10) being free from steps.
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이 특허에 인용된 특허 (5)
Friedrich Behr DE; Klaus Blumel DE; Horst Mittelstadt DE; Cetin Nazikkol DE; Werner Hufenbach DE; Frank Adam DE, Double sheet metal consisting of two covering metal sheets and an intermediate layer.
Lambing Cynthia L. T. (Kiskiminetas PA) Colpo James A. (Murrysville PA) Herbein William C. (Murrysville PA), Joining metal-polymer-metal laminate sections.
Westre Willard N. ; Allen-Lilly Heather C. ; Ayers Donald J. ; Cregger Samuel E. ; Evans David W. ; Grande Donald L. ; Hoffman Daniel J. ; Rogalski Mark E. ; Rothschilds Robert J., Titanium-polymer hybrid laminates.
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