CA2491717A1 - Ballistic laminate structure in sheet form - Google Patents

Ballistic laminate structure in sheet form Download PDF

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Publication number
CA2491717A1
CA2491717A1 CA 2491717 CA2491717A CA2491717A1 CA 2491717 A1 CA2491717 A1 CA 2491717A1 CA 2491717 CA2491717 CA 2491717 CA 2491717 A CA2491717 A CA 2491717A CA 2491717 A1 CA2491717 A1 CA 2491717A1
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CA
Canada
Prior art keywords
unifabric
laminate structure
composite
performance
fiber bundles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2491717
Other languages
French (fr)
Other versions
CA2491717C (en
Inventor
Andrew D. Park
Dave Park
Alexander J. Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PTI Materials LLC
Original Assignee
PTI Materials LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PTI Materials LLC filed Critical PTI Materials LLC
Publication of CA2491717A1 publication Critical patent/CA2491717A1/en
Application granted granted Critical
Publication of CA2491717C publication Critical patent/CA2491717C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/911—Penetration resistant layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/153—Including an additional scrim layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/159—Including a nonwoven fabric which is not a scrim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/159—Including a nonwoven fabric which is not a scrim
    • Y10T442/16—Two or more nonwoven layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/164—Including a preformed film, foil, or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/164—Including a preformed film, foil, or sheet
    • Y10T442/169—Polyolefin film or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/184—Nonwoven scrim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2615—Coating or impregnation is resistant to penetration by solid implements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2615—Coating or impregnation is resistant to penetration by solid implements
    • Y10T442/2623—Ballistic resistant

Abstract

A ballistic laminate structure includes a first high-performance unifabric composite. The unifabric composite incorporates an array of unidirectionally oriented fiber bundles carried on a fiber-stabilizing scrim and having a tensile strength greater than 7 grams per denier. A second high-performance unifabric composite includes an array of high performance, unidirectionally-oriented fiber bundles. The fiber bundles of the second composite are carried on a fiber-stabilizing scrim and have a tensile strength greater than 7 grams per denier. The first and second unifabric composites are cross-plied at an angle and banded together to form the ballistic laminate structure.

Claims (18)

1. A ballistic laminate structure in sheet form, comprising:
(a) a first high-performance unifabric composite including an array of unidirectionally-oriented fiber bundles carried on a fiber-stabilizing scrim and having a tensile strength greater than 7 grams per denier, (b) a second high-performance unifabric composite including an array of high performance, unidirectionally-oriented fiber bundles carried on a fiber-stabilizing scrim and having a tensile strength greater than 7 grams per denier, and (c) said first and second unifabric composites being cross-plied at an angle and bonded together to form said ballistic laminate structure.
2. A ballistic laminate structure according to claim 1, wherein said scrim comprises a nonwoven adhesive web.
3. A ballistic laminate structure according to claim 1, and comprising a polymeric film residing between said first and second cross-plied unifabric composites to adhere said composites together without substantial penetration of said film into said fiber bundles.
4. A ballistic laminate structure according to claim 1, wherein said polymeric film comprises polyethylene film having a thickness of about 0.35 mils.
5. A ballistic laminate structure according to claim 1, wherein said first unifabric composite is cross-plied at an angle of 90 degrees to said second unifabric composite.
6. A ballistic laminate structure according to claim 1, wherein the percentage by weight of the high performance fibers in the ballistic laminate structure is at least 80 percent of the total weight of the ballistic laminate structure.
7. A ballistic laminate structure according to claim 1, wherein the fiber bundles of said first and second unifabric composites comprise fibers chosen from the group consisting of aramid fiber, polyolefin, vinylon, and liquid crystal polymer-based fiber.
8. A ballistic laminate structure according to claim 1, wherein the fiber bundles of said first and second unifabric composites comprise fibers chosen from the group consisting of extended chain ultra-high molecular weight polyethylene (UHMWPE), poly {p-phenylene-2, 6-benzobisoxazole} (PBO), and poly {diimidazo pyridinylene (dihydroxy) phenylene} (M5).
9. A ballistic laminate structure according to claim 1, wherein said first unifabric composite comprises a second scrim located on an opposite side of said fiber bundles.
10. A ballistic laminate structure according to claim 1, wherein said second unifabric composite comprises a second scrim located on an opposite side of said fiber bundles.
11. A ballistic laminate structure in sheet form, comprising:
(a) a first high-perfomance unifabric composite including an array of unidirectionally-oriented fiber bundles sandwiched between first and second fiber-stabilizing scrims, and having a tensile strength greater than 7 grams per denier;
(b) a second high-performance unifabric composite including an array of high performance, unidirectionally-oriented fiber bundles sandwiched between first and second scrims, and having a tensile strength greater than 7 grams per denier;
and (c) said first and second unifabric composites being cross-plied at an angle and bonded together to form said ballistic laminate structure.
12. A high-performance unifabric composite adapted for incorporation in a sheet-form ballistic laminate structure, said unifabric composite comprising an array of unidirectionally-oriented fiber bundles carried an a fiber stabilizing scrim and having a tensile strength greater than 7 grams per denier.
13. A high-performance unifabric composite according to claim 12, and comprising a second fiber-stabilizing scrim located on an opposite side of said unidirectionally-oriented fiber bundles.
14. A high-performance unifabric composite according to claim 12, wherein said unidirectionally-oriented fiber bandies comprise fibers chosen from the group consisting of aramid fiber, polyolefin, vinylon, and liquid crystal polymer-based fiber.
15. A high-performance unifabric composite according to claim 12, wherein said unidirectionally-oriented fiber bundles comprise fibers chosen from the group consisting of extended chain ultra-high molecular weight polyethylene (UHMWPE), poly {p-phenylene-2,6-benzobisoxazole} (PBO}, and poly {diimidazo pyridinylene (dihydroxy) phenylene} (M5).

-~~~~-Page 18-
16. A high-performance unifabric composite according to claim 12, said scrim comprlsea a nonwoven adhesive web.
17. A high-performance unifabric composite according to claim 12, and comprising a polymeric film residing between said scrim and said unidirectionally-oriented fiber bundles to adhere said composite together without substantial penetration of said film into said fiber bundles.
18. A high-performance unifabric composite according to claim 12, wherein said polymeric film comprises polyethylene film haying a thickness of about 0.35 mils.
CA 2491717 2004-03-08 2005-01-07 Ballistic laminate structure in sheet form Active CA2491717C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/796,662 2004-03-08
US10/796,662 US7148162B2 (en) 2004-03-08 2004-03-08 Ballistic laminate structure in sheet form

Publications (2)

Publication Number Publication Date
CA2491717A1 true CA2491717A1 (en) 2005-09-08
CA2491717C CA2491717C (en) 2010-03-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2491717 Active CA2491717C (en) 2004-03-08 2005-01-07 Ballistic laminate structure in sheet form

Country Status (3)

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US (1) US7148162B2 (en)
EP (1) EP1574811A1 (en)
CA (1) CA2491717C (en)

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Also Published As

Publication number Publication date
US7148162B2 (en) 2006-12-12
US20050197020A1 (en) 2005-09-08
CA2491717C (en) 2010-03-23
EP1574811A1 (en) 2005-09-14

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