LIGHTWEIGHT BALLISTIC RESISTANT ANTI-INTRUSION SYSTEMS AND RELATED METHODS THEREOF

• US 20170138703A1
• Filed: 11/17/2016
• Published: 05/18/2017
• Est. Priority Date: 11/17/2015
• Status: Active Grant

• Current Assignee: University of Virginia Patent Foundation (University of Virginia)
• Original Assignee: University of Virginia Patent Foundation (University of Virginia)
• Inventors: Wadley, Haydn N.G., Deshpande, Vikram
• Granted Patent: US 10,184,759 B2
• Time in Patent Office: Days
• CPC Class Codes: B29K 2223/065 HDPE, i.e. high density polyethylene
• CPC Class Codes: B29K 2995/0089 Impact strength or toughness
• CPC Class Codes: B32B 2250/44 Number of layers variable across the laminate
• CPC Class Codes: B32B 2260/021 Fibrous or filamentary layer layers of natural mineral fibres or particles being impregnated in a plastic substance B32B19/02
• CPC Class Codes: B32B 2260/046 Synthetic resin
• CPC Class Codes: B32B 2262/0261 Polyamide fibres
• CPC Class Codes: B32B 2262/101 Glass fibres
• CPC Class Codes: B32B 2262/106 Carbon fibres, e.g. graphite fibres
• CPC Class Codes: B32B 2262/14 Mixture of at least two fibres made of different materials
• CPC Class Codes: B32B 2307/56 Damping, energy absorption
• CPC Class Codes: B32B 2419/00 Buildings or parts thereof walls, panels B32B2607/00
• CPC Class Codes: B32B 2571/02 defensive, e.g. armour plates, anti-ballistic clothing camouflage nets B32B2459/00
• CPC Class Codes: B32B 2605/08 Cars
• CPC Class Codes: B32B 2605/12 Ships
• CPC Class Codes: B32B 2605/16 Submarines
• CPC Class Codes: B32B 2605/18 Aircraft blades, propellers B32B2603/00
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/32 comprising polyolefins comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30
• CPC Class Codes: B32B 27/34 comprising polyamides
• CPC Class Codes: B32B 3/12 characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
• CPC Class Codes: B32B 5/024 : Woven fabric
• CPC Class Codes: B32B 5/24 : one layer being a fibrous or filamentary layer
• CPC Class Codes: B32B 5/26 : another layer next to it also being fibrous or filamentary relative arrangement of fibres or filaments of different layers B32B5/12
• CPC Class Codes: B32B 7/08 : by mechanical means
• CPC Class Codes: B32B 7/12 : using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: F41H 5/013 : Mounting or securing armour plates
• CPC Class Codes: F41H 5/0485 : all the layers being only fibre- or fabric-reinforced layers
• CPC Class Codes: F41H 5/24 : for stationary use, e.g. fortifications ; Shelters; Guard Booths air-raid shelters E04H9/04

Abstract

A method for manufacturing a ballistic resistance package which includes providing a molecularly oriented tape material having a front face and back face with a minimum of two sets of parallel side faces; wrapping molecularly oriented fabric material around the front and back faces and a set of the parallel side faces of the molecularly oriented tape material, yielding a wrapped core structure; and finalizing the wrapped core structure to yield the ballistic resistance package. A multifunction ballistic resistance system for resisting projectiles and/or mitigating blast effects of explosions. The multifunction ballistic resistance system may include: at least one cellular frame defining cells therein, and a plurality of molecularly oriented tape material core structures wrapped in molecularly oriented fabric material and finalized, and attached to at least one cellular frame.

Claims

1. A method for manufacturing a ballistic resistance package, comprising:

providing a molecularly oriented tape material having a front face and back face with a minimum of two sets of parallel side faces, wherein said molecularly oriented tape material comprises ultrahigh molecular weight polyethylene (UHMWPE) or aramid molecules;

wrapping molecularly oriented fabric material around said front and back faces and a set of said parallel side faces of said molecularly oriented tape material, yielding a wrapped core structure, wherein said molecularly oriented fabric material comprises ultrahigh molecular weight polyethylene (UHMWPE) or aramid molecules; and

finalizing the wrapped core structure to yield the ballistic resistance package.

2. The method of claim 1, wherein said finalizing the ballistic resistance package comprises one or more of the following:

consolidating the wrapped core structure by using a hot press and an autoclave;

infiltration of a dry tape material with resin by VARTM or similar method;

using an adhesive to prevent the wrap from unraveling;

or sewing the end of the wrap to the outer wrapped surface.

3. The method of claim 1, wherein the wherein said molecularly oriented tape material further comprises a plurality of layers of tape material wherein the most outer of plurality of layers define said front and back faces of said molecularly oriented tape material.

4. The method of claim 1, wherein the molecularly oriented tape material is in a woven, ply, pre-preg or laminate form.

5. The method of claim 1, wherein the molecularly oriented tape material comprises at least one or more of the following:

alumina, boron carbide, carbon (PAN and pitch based), glass, para-aramid, PBO, PIPD, polyamide, silicon carbide, or titanium carbide fibers.

6. The method of claim 1, wherein the ballistic resistance package further comprises a cellular frame, wherein said cellular frame is configured to accommodate said ballistic resistance package inserted therein.

7. The method of claim 6, wherein said cellular frame is a honeycomb lattice structure.

8. The method of claim 6, wherein said cellular frame is part of a door.

9. The method claim 6, wherein the cellular frame is part of a static load bearing member of any one of:

an architectural structure, a civil engineering structure, a military security/protection/defense structure, a machine structure, an automobile structure, a ship structure, a freight car structure, an aircraft structure, a spacecraft structure, a space station structure, and a submarine, structure.

10. The method of claim 1, wherein the molecularly oriented fabric material is in a woven, ply, pre-preg or laminate form.

11. The method of claim 1, wherein the molecularly oriented fabric material comprises at least one or more of the following:

alumina, boron carbide, carbon (PAN and pitch based), glass, para-aramid, PBO, PIPD, polyamide, silicon carbide, or titanium carbide fibers.

12. The method of claim 1, wherein said wrapping of the molecularly oriented tape material comprises at least two separate units of molecularly oriented fabric material wrapped in unique directions.

13. The method of claim 12, wherein the at least two separate units of molecularly oriented fabric material wrapped in unique directions alternate wrapping the molecularly oriented tape material sequentially.

14. The method of claim 1, wherein wrapping the molecularly oriented tape material in said molecularly oriented fabric material comprises creation of multiple layers of wrapped molecularly oriented fabric material covering the molecularly oriented tape material panel.

15. A ballistic resistance package, comprising:

a molecularly oriented tape material having a front face and back face with a minimum of two sets of parallel side faces, and wherein said molecularly oriented tape material comprises ultrahigh molecular weight polyethylene (UHMWPE) or aramid molecules; and

a molecularly oriented fabric material wrapped around said front and back faces and a set of said parallel side faces of said molecularly oriented tape material, yielding a ballistic resistance package after it has been finalized, and wherein said molecularly oriented fabric material comprises ultrahigh molecular weight polyethylene (UHMWPE) or aramid molecules.

16. The ballistic resistance package of claim 15, wherein said finalizing comprises one or more of the following:

a consolidation of the wrapped core structure by using a hot press and an autoclave;

an infiltration of a dry tape material with resin by VARTM or similar method;

an application of an adhesive to prevent the wrap from unraveling;

or sewing the end of the wrap to the outer wrapped surface.

17. The ballistic resistance package of claim 15, wherein the wrapping of the molecularly oriented tape material results in multiple layers of molecularly oriented fabric material.

18. The ballistic resistance package of claim 15, wherein said wrapping of said molecularly oriented tape material comprises of at least two separate units of molecularly oriented fabric material wrapped in unique directions around different sets of parallel side faces.

19. The ballistic resistance package of claim 15, wherein said molecularly oriented tape material further comprises a plurality of layers of tape material wherein the most outer of plurality of layers define said front and back faces of said high-performance molecularly oriented tape material.

20. The ballistic resistance package of claim 15, wherein the molecularly oriented tape material is in a woven, ply, pre-preg or laminate form.

21. The ballistic resistance package of claim 15, wherein the molecularly oriented tape material comprises at least one or more of the following:

alumina, boron carbide, carbon (PAN and pitch based), glass, para-aramid, PBO, PIPD, polyamide, silicon carbide, or titanium carbide fibers.

22. The ballistic resistance package of claim 15, wherein the molecularly oriented fabric material is in a woven, ply, pre-preg or laminate form.

23. The ballistic resistance package of claim 15, wherein the molecularly oriented fabric material comprises at least one or more of the following:

alumina, boron carbide, carbon (PAN and pitch based), glass, para-aramid, PBO, PIPD, polyamide, silicon carbide, or titanium carbide fibers.

24. The ballistic resistance package of claim 15, further comprises a cellular frame, said cellular frame is configured to accommodate said ballistic resistance packages inserted therein.

25. The ballistic resistance package of claim 24, wherein said cellular frame is a honeycomb lattice structure.

26. The ballistic resistance package of claim 24, wherein said cellular frame is part of a door.

27. The ballistic resistance package of claim 24, wherein the cellular frame is part of a static load bearing member of any one of:

an architectural structure, a civil engineering structure, a military security/protection/defense structure, a machine structure, an automobile structure, a ship structure, a freight car structure, an aircraft structure, a spacecraft structure, a space station structure, and a submarine, structure.

28. A multifunction ballistic resistance system for resisting projectiles and/or mitigating blast effects of explosions, comprising:

at least one cellular frame defining cells therein, said cellular frame with a top and a bottom, and

a plurality of molecularly oriented tape material core structures wrapped in molecularly oriented fabric material and finalized, and attached to at least one cellular frame, and wherein;

said molecularly oriented tape material comprises ultrahigh molecular weight polyethylene (UHMWPE) or aramid molecules, and

said molecularly oriented fabric material comprises ultrahigh molecular weight polyethylene (UHMWPE) or aramid molecules.

29. The system of claim 28, wherein said finalizing comprises one or more of the following:

a consolidation of the wrapped core structure by using a hot press and an autoclave;

an infiltration of a dry tape material with resin by VARTM or similar method;

an application of an adhesive to prevent the wrap from unraveling;

or sewing the end of the wrap to the outer wrapped surface.

30. The system of claim 28, wherein said cellular frame is a honeycomb structure.

31. The system of claim 28, wherein said at least one cellular frame is a door.

32. The system of claim 28, wherein said plurality of wrapped molecularly oriented tape material core structures are disposed in respective cells of said at least one cellular frame.

33. The system of claim 28, further comprising:

at least one top plate disposed to the top of at least one said cellular frame and/or at least one bottom plate disposed to the bottom of at least one of said cellular frame.

34. The system of claim 28, wherein said at least one cellular frame is aligned in a stacked fashion respective to one another.

35. The system of claim 28, wherein the plurality of molecularly oriented tape material is in a woven, ply, pre-preg or laminate form.

36. The system of claim 28, wherein the plurality of molecularly oriented tape material further comprises at least one or more of the following:

alumina, boron carbide, carbon (PAN and pitch based), glass, para-aramid, PBO, PIPD, polyamide, silicon carbide, or titanium carbide fibers.

37. The system of claim 28, wherein the molecularly oriented fabric material is in a woven, ply, pre-preg or laminate form.

38. The system of claim 28, wherein the molecularly oriented fabric material comprises at least one or more of the following:

alumina, boron carbide, carbon (PAN and pitch based), glass, para-aramid, PBO, PIPD, polyamide, silicon carbide, or titanium carbide fibers.

39. The system of claim 28, wherein the molecularly oriented tape material is wrapped by at least two rolls of material, sequentially alternating layers of molecularly oriented fabric material from the at least two rolls of molecularly oriented fabric material.

40. The system of claim 39, wherein each of the at least two rolls of molecularly oriented fabric material wraps around the molecularly oriented tape material at least twice.

41. The system of claim 28, wherein the system is part of a static load bearing member of any one of:

an architectural structure, a civil engineering structure, a military security/protection/defense structure, a machine structure, an automobile structure, a ship structure, a freight car structure, an aircraft structure, a spacecraft structure, a space station structure, and a submarine, structure.