WO2010094053A1 - Penetration resistant material - Google Patents
Penetration resistant material Download PDFInfo
- Publication number
- WO2010094053A1 WO2010094053A1 PCT/AU2009/001230 AU2009001230W WO2010094053A1 WO 2010094053 A1 WO2010094053 A1 WO 2010094053A1 AU 2009001230 W AU2009001230 W AU 2009001230W WO 2010094053 A1 WO2010094053 A1 WO 2010094053A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mesh
- plastics material
- layer
- liquid
- apertures
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
- F41H5/0442—Layered armour containing metal
- F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics
Definitions
- the present invention relates to a penetration resistant material and the method of manufacture thereof and more particularly but not exclusively to bullet resistant materials.
- bullet resistant materials have been manufactured by laminating a number of layers of different types of material such as glass, acrylic and polycarbonate. The layers are "fused” together by heat and pressure.
- a disadvantage of the above described method is that the material is generally in sheet form and requires cutting to required sizes and/or configurations.
- a further disadvantage is that if the layers are not fully fused, the material may not be impact resistant to the required level.
- the object of the present invention is to overcome or substantially overcome at least one of the above disadvantages.
- a penetration resistant material including: a first layer, said first layer being formed of plastic materials; and a reinforcing layer in said first layer, the reinforcing layer being formed of metal and having apertures in which the plastics material is located so that the reinforcing layer is embedded in the first layer.
- said plastics material is a polymer.
- the polymer is a polyether base urethane elastomer.
- the polyether base urethane elastomer is thermosetting.
- said reinforcing layer is woven metal mesh.
- said metal mesh includes a plurality of strands, each of the strands being formed from a plurality of wires.
- a method of manufacturing a penetration resistant material including the steps of: providing a mould having a hollow; delivering to said hollow a settable plastics material; locating in said hollow a metal layer having a plurality of apertures through which the plastic material flows so as to pass through the apertures; and causing said plastics material to set with said reinforcing layer embedded therein.
- said plastics material is a polymer.
- said polymer is a polyether based urethane elastomer formed by mixing liquid polyurethane resin and a liquid activator.
- said polyether based urethane elastomer is thermosetting.
- said reinforcing layer is woven metal mesh.
- said metal mesh is formed of a plurality of stands, each strand being formed by a plurality of wires.
- said mesh is high-tensile steel woven wire mesh.
- said wire mesh has apertures with a width in the vicinity of 4mm to 5mm, and each strand has a diameter of 2.5mm to 3.15mm.
- the plastic material in liquid form has an upper surface
- said method includes the step of applying to said upper surface a sheet of plastics material so as to be bonded to the liquid plastics material upon setting of the liquid plastics material.
- said sheet has at least one groove in which the liquid plastics material is located prior to setting of the liquid plastics material.
- said sheet is a polycarbonate.
- the sheet 10 includes a first layer 11 within which there is embedded a metal mesh 12. Secured to the layer 11 is a further layer 13, the layer 13 having a peripheral groove 14.
- the sheet 10 would typically be formed in a mould 15 having a floor surface 16 and side surfaces 17 that surround a hollow 18.
- a liquid plastics material is be delivered to the hollow 18, the liquid plastics material being provided to form the layer 11.
- the metal mesh 12 is located in the hollow 18 while the material 11 is still liquid, so that the mesh 12 is thoroughly embedded therein.
- the mesh 12 would have apertures 19 through which plastics material would flow.
- the material 11 is settable so that when it is hardened the mesh 12 is securely located therein and reinforces the layer 11.
- the material 11 is a polymer, and more preferably a thermosetting polyether based urethane elastomer that is formed of liquid polyurethane resin and a liquid activator.
- polymer is heated to at least 50°C to raise the polymer to the required hardness when set.
- the mesh 12 is high tensile steel woven wire mesh having mesh apertures with widths in the vicinity of 4mm to 5mm.
- the mesh 12 has a plurality of wire strands 20, each strand 20 having a diameter in the vicinity of 2.5mm to 3.15mm and preferably formed from a plurality of wires.
- the sheet 13 while the material 11 is still in liquid form, there is located in the cavity 18 the sheet 13 so that the material 11 flows into the peripheral groove 14.
- the sheet 13 is plastics material and more particularly a polymer and more particular polycarbonate.
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
Abstract
A sheet (10) that is resistant to penetration and a method of forming the sheet (10). The sheet (10) includes a first layer (11) within which there is embedded a metal mesh (12). Preferably the metal mesh (12) is high tensile steel woven wire mesh having mesh apertures each having a width in the vicinity of 4mm to 5mm, preferably the mesh (12) has a plurality of wire strands (20), each strand having a diameter in the vicinity of 2.5mm to 5.15mm.
Description
PENETRATION RESISTANT MATERIAL
Technical Field
The present invention relates to a penetration resistant material and the method of manufacture thereof and more particularly but not exclusively to bullet resistant materials.
Background of the Invention
Traditionally bullet resistant materials have been manufactured by laminating a number of layers of different types of material such as glass, acrylic and polycarbonate. The layers are "fused" together by heat and pressure.
A disadvantage of the above described method is that the material is generally in sheet form and requires cutting to required sizes and/or configurations. A further disadvantage is that if the layers are not fully fused, the material may not be impact resistant to the required level.
Object of the Invention
The object of the present invention is to overcome or substantially overcome at least one of the above disadvantages.
Summary of the Invention
There is disclosed herein a penetration resistant material including: a first layer, said first layer being formed of plastic materials; and a reinforcing layer in said first layer, the reinforcing layer being formed of metal and having apertures in which the plastics material is located so that the reinforcing layer is embedded in the first layer.
Preferably, said plastics material is a polymer.
In a more preferred form, the polymer is a polyether base urethane elastomer.
Preferably, the polyether base urethane elastomer is thermosetting.
Preferably, said reinforcing layer is woven metal mesh.
Preferably, said metal mesh includes a plurality of strands, each of the strands being formed from a plurality of wires.
There is further disclosed herein a method of manufacturing a penetration resistant material, said method including the steps of: providing a mould having a hollow; delivering to said hollow a settable plastics material; locating in said hollow a metal layer having a plurality of apertures through which the plastic material flows so as to pass through the apertures; and causing said plastics material to set with said reinforcing layer embedded therein.
Preferably, said plastics material is a polymer.
Preferably, said polymer is a polyether based urethane elastomer formed by mixing liquid polyurethane resin and a liquid activator.
Preferably, said polyether based urethane elastomer is thermosetting.
Preferably, said reinforcing layer is woven metal mesh.
Preferably, said metal mesh is formed of a plurality of stands, each strand being formed by a plurality of wires.
Preferably, said mesh is high-tensile steel woven wire mesh.
Preferably, said wire mesh has apertures with a width in the vicinity of 4mm to 5mm, and each strand has a diameter of 2.5mm to 3.15mm.
Preferably, the plastic material in liquid form has an upper surface, and said method includes the step of applying to said upper surface a sheet of plastics material so as to be bonded to the liquid plastics material upon setting of the liquid plastics material.
Preferably, said sheet has at least one groove in which the liquid plastics material is located prior to setting of the liquid plastics material.
Preferably, said sheet is a polycarbonate.
Brief Description of the Drawings
A preferred form of the present invention will now be described by way of example with reference to the accompanying that schematically depicts in section side elevation a sheet of penetration resistant material.
Detailed Description of the Preferred Embodiment
In the accompanying drawing there is schematically depicted a sheet 10 that resists penetration. More particularly the sheet 10 would at least inhibit, and preferably prevent, penetration by a bullet.
The sheet 10 includes a first layer 11 within which there is embedded a metal mesh 12. Secured to the layer 11 is a further layer 13, the layer 13 having a peripheral groove 14.
The sheet 10 would typically be formed in a mould 15 having a floor surface 16 and side surfaces 17 that surround a hollow 18.
In forming the sheet 10, a liquid plastics material is be delivered to the hollow 18, the liquid plastics material being provided to form the layer 11. The metal mesh 12 is located in the hollow 18 while the material 11 is still liquid, so that the mesh 12 is thoroughly embedded therein. The mesh 12 would have apertures 19 through which plastics material would flow.
The material 11 is settable so that when it is hardened the mesh 12 is securely located therein and reinforces the layer 11.
Preferably, the material 11 is a polymer, and more preferably a thermosetting polyether based urethane elastomer that is formed of liquid polyurethane resin and a liquid activator. Preferably, polymer is heated to at least 50°C to raise the polymer to the required hardness when set.
Preferably, the mesh 12 is high tensile steel woven wire mesh having mesh apertures with widths in the vicinity of 4mm to 5mm. Preferably, the mesh 12 has a plurality of wire strands 20, each strand 20 having a diameter in the vicinity of 2.5mm to 3.15mm and preferably formed from a plurality of wires.
In a further preferred form, while the material 11 is still in liquid form, there is located in the cavity 18 the sheet 13 so that the material 11 flows into the peripheral groove 14. Preferably the sheet 13 is plastics material and more particularly a polymer and more particular polycarbonate.
Claims
1. A penetration resistant material including: a first layer, said first layer being formed of plastic materials; and a reinforcing layer in said first layer, the reinforcing layer being formed of metal and having apertures in which the plastics material is located so that the reinforcing layer is embedded in the first layer.
2. The material of claim 1, wherein said plastics material is a polymer.
3. The material of claim 2, wherein the polymer is a polyether base urethane elastomer.
4. The material of claim 3, wherein the polyether base urethane elastomer is thermosetting.
5. The material of any one of claims 1 to 4, wherein said reinforcing layer is woven metal mesh.
6. The material of claim 5, wherein said metal mesh includes a plurality of strands, each of the strands being formed from a plurality of wires.
7. The material of claim 5 or 6, wherein said mesh is high tensile steel woven material mesh.
8. The material of claim 5 or 6, wherein said mesh has apertures with a width in the vicinity of 4mm to 5mm, and each strand has a diameter of 2.5mm to 3.15mm.
9. There is,further disclosed herein a method of manufacturing a penetration resistant material, said method including the steps of: providing a mould having a hollow; delivering to said hollow a settable plastics material; locating in said hollow a metal layer having a plurality of apertures through which the plastic material flows so as to pass through the apertures; and causing said plastics material to set with said reinforcing layer embedded therein.
10. The method of claim 9, wherein said plastics material is a polymer.
11. The method of claim 10, wherein said polymer is a polyether based urethane elastomer formed by mixing liquid polyurethane resin and a liquid activator.
12. The method of claim 11 , wherein said polyether based urethane elastomer is thermosetting.
13. The method of claim 9 to 11, wherein said reinforcing layer is woven metal mesh.
14. The method of claim 13 , wherein said metal mesh is formed of a plurality of stands, each strand being formed by a plurality of wires.
15. The method of claim 14, wherein said mesh is high-tensile steel woven wire mesh.
16. The method of claim 15, wherein said wire mesh has apertures with a width in the vicinity of 4mm to 5mm, and each strand has a diameter of 2.5mm to 3.15mm.
17. The method of any one of claims 9 to 16, wherein the plastic material in liquid form has an upper surface, and said method includes the step of applying to said upper surface a sheet of plastics material so as to be bonded to the liquid plastics material upon setting of the liquid plastics material.
18. The method of claim 17, wherein said sheet has at least one groove in which the liquid plastics material is located prior to setting of the liquid plastics material.
19. The method of claim 16 or 17, wherein said sheet is a polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2011/06368A ZA201106368B (en) | 2009-02-19 | 2011-08-31 | Penetration resistant material |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2009100183 | 2009-02-19 | ||
| AU2009200655A AU2009200655A1 (en) | 2009-02-19 | 2009-02-19 | Matrix armor protection |
| AU2009100183A AU2009100183A4 (en) | 2009-02-19 | 2009-02-19 | Matrix armor protections |
| AU2009200655 | 2009-02-19 | ||
| AU2009902007A AU2009902007A0 (en) | 2009-05-07 | Penetration resistant material | |
| AU2009902007 | 2009-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010094053A1 true WO2010094053A1 (en) | 2010-08-26 |
Family
ID=42633337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AU2009/001230 WO2010094053A1 (en) | 2009-02-19 | 2009-09-17 | Penetration resistant material |
Country Status (2)
| Country | Link |
|---|---|
| WO (1) | WO2010094053A1 (en) |
| ZA (1) | ZA201106368B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984002306A1 (en) * | 1982-12-13 | 1984-06-21 | Ind Plastique Mecanique | Variable density multilayer composite material |
| US5013507A (en) * | 1989-09-29 | 1991-05-07 | The Boeing Company | Method for producing an elongate passage within a component |
| CN2213372Y (en) * | 1994-10-22 | 1995-11-22 | 马重子 | Bullet-proof radiation-proof lining material |
| US5614305A (en) * | 1995-02-08 | 1997-03-25 | Virginia Tech Intellectual Properties, Inc. | Impact and perforation resistant composite structures |
-
2009
- 2009-09-17 WO PCT/AU2009/001230 patent/WO2010094053A1/en active Application Filing
-
2011
- 2011-08-31 ZA ZA2011/06368A patent/ZA201106368B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984002306A1 (en) * | 1982-12-13 | 1984-06-21 | Ind Plastique Mecanique | Variable density multilayer composite material |
| US5013507A (en) * | 1989-09-29 | 1991-05-07 | The Boeing Company | Method for producing an elongate passage within a component |
| CN2213372Y (en) * | 1994-10-22 | 1995-11-22 | 马重子 | Bullet-proof radiation-proof lining material |
| US5614305A (en) * | 1995-02-08 | 1997-03-25 | Virginia Tech Intellectual Properties, Inc. | Impact and perforation resistant composite structures |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201106368B (en) | 2012-05-30 |
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