摘要:
The invention relates to a stabbing-proof composite structure (100), in particular for protective garments, comprising layers (102; 104; 106) of flat elements (110) that are placed on top of each other, and an embedding material (120); the flat elements (110) from different layers are offset relative to one another, and the flat elements (110) of the composite structure (100) are embedded at least in part in the embedding material (120). The invention further relates to the manufacturing of a composite structure, a stabbing-proof insert, a protective garment, and the use of a composite structure as a stabbing-proof insert or for manufacturing a protective garment.
权利要求:
claims 1. A composite structure (100) for stab protection, comprising - layers (102; 104; 106) of flat structures (110) that are placed on top of each other and - an embedding material (120), wherein, in at least some of the layers placed on top of each other (102; 104; 106), the flat structures (110) of adjacent layers are offset relative to one another and the flat structures (110) of the composite structure (100) are at least partially embedded in the embedding material (120), characterized in that the composite structure (100) comprises separated connecting elements (117), wherein before they are separated, the separated connecting elements (117) have connected at least some of the flat structures (110) of adjacent layers with one another.
2. The composite structure (100) as claimed in claim 1, characterized in that the respective flat structures (110) are of greater length than thickness.
3. The composite structure (100) as claimed in claim 1 or 2, characterized in that the respective flat structures (110) have a length of 0.25 mm to 10 mm, in particular 0.5 mm to 5 mm, preferably 1 mm to 3 mm.
4. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) are of greater width than thickness.
5. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) have a width of 0.25 mm to 10 mm, in particular 0.5 mm to 5 mm, and preferably 1 mm to 3 mm.
6. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) have a plate-shaped, in particular a cuboidal configuration.
7. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) of adjacent layers are offset relative to one another in the length direction and the width direction of the flat structures (110), and preferably have the same offset in the length direction and the width direction of the flat structures (110).
8. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) are composed of a material that is harder than the embedding material (120).
9. The composite structure (100) as claimed in one of the preceding claims, characterized in that the flat structures comprise or are composed of a material selected from the group composed of metal, sheet metal, a polymer, in particular a plastic, a ceramic material, quartz and combinations, in particular composite materials, of two or more of the above-mentioned materials.
10. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective surfaces of the flat structures (110) are configured to be flat, i.e. without elevations or recesses, and in particular straight.
11. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) have a uniform thickness, i.e. a thickness that is constant throughout.
12. The composite structure (100) as claimed in one of the preceding claims, characterized in that the respective flat structures (110) have a thickness of
0.025 mm to 2 mm, in particular 0.05 mm to 1 mm, and preferably 0.1 mm to 0.5 mm.
13. The composite structure (100) as claimed in one of the preceding claims, characterized in that the flat structures (110) or the layers of flat structures placed on top of one another (110) are produced by means of a generative production method, preferably by means of laser sintering or laser melting.
14. The composite structure (100) as claimed in one of the preceding claims, characterized in that the embedding material (120) is a flexible, in particular an elastic embedding material.
15. The composite structure (100) as claimed in one of the preceding claims, characterized in that the embedding material (120) comprises or is composed of a material selected from the group composed of polysiloxane, in particular polyorganosiloxane, a thermoplastic elastomer, rubber such as ethylene- propylene-diene rubber (EPDM), polyurethane and combinations, in particular blends or composite materials, of two or more of the above-mentioned materials.
16. The composite structure (100) as claimed in one of the preceding claims, characterized in that the composite structure (100) has a total thickness of 0.1 mm to 6 mm, in particular 0.4 mm to 3 mm, and preferably 0.6 mm to 1.2 mm.
17. A method for producing a composite structure (100) for stab protection, in particular as claimed in one of the preceding claims, comprising the following steps: a) production of layers (102; 104; 106) of flat structures (110), b) embedding the layers (102; 104; 106) of flat structures (110) in a not-yet-hardened embedding material (120) and c) hardening of the embedding material (120), characterized in that in step a), an assembly of a plurality of layers (102; 104; 106) of flat structures (110) placed on top of one another is produced, wherein at least some of the layers are offset relative to one another in order to produce the assembly of flat structures (110) of adjacent layers connected to one another via connecting elements (117), in particular web-like connecting elements (117), and the connecting elements (117) are separated after step c) is carried out.
18. The method as claimed in claim 17, characterized in that step a) is carried out by means of a generative production method, in particular by means of laser sintering or laser melting.
19. The method as claimed in claim 17 or 18, characterized in that the connecting elements (117) are mechanically separated, in particular by means of calendering or deflection on a roller.
20. The method as claimed in claim 17, characterized in that in step a), the layers (102; 104; 106) are produced by means of laser or water jet cutting.
21. A stab-resistant insert, comprising a composite structure (100) as claimed in one of claims 1 through 16.
22. A protective textile, in particular protective gloves, comprising a composite structure (100) as claimed in one of claims 1 through 16.
23. Use of a composite structure (100) as claimed in one of claims 1 through 16 as a stab-resistant insert or for producing a protective textile, in particular a protective garment, and preferably protective gloves.