Shrapnel containment system and method for producing same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E06B-005/10
E06B-005/12
E04B-002/90
E04B-002/72
출원번호
US-0617122
(2012-09-14)
등록번호
US-8713865
(2014-05-06)
발명자
/ 주소
Hall, Bruce S.
출원인 / 주소
Life Shield Engineered Systems, LLC
대리인 / 주소
Miles & Stockbridge, P.C.
인용정보
피인용 횟수 :
5인용 특허 :
107
초록▼
A shrapnel containment system is provided which is adapted to be installed at an interior of a building wall to contain shrapnel from a blast, the system including a panel made of a layer of elastomeric material and fastener elements to fasten the layer to a wall of a structure, with the panel optio
A shrapnel containment system is provided which is adapted to be installed at an interior of a building wall to contain shrapnel from a blast, the system including a panel made of a layer of elastomeric material and fastener elements to fasten the layer to a wall of a structure, with the panel optionally including a fabric reinforcing layer. A method for producing the panel is also provided.
대표청구항▼
1. A blast-resistant panel, comprising: only a single cured layer of a sprayed elongatable elastomeric material having only a single elongatable layer of a predetermined thickness in the range of about 100 mil to less than 250 mil and a percent elongation at break in a range of about 100-800%, the c
1. A blast-resistant panel, comprising: only a single cured layer of a sprayed elongatable elastomeric material having only a single elongatable layer of a predetermined thickness in the range of about 100 mil to less than 250 mil and a percent elongation at break in a range of about 100-800%, the cured single elongatable layer of the elastomeric material having substantially entirely exposed front and back sides, andfastener elements for securing said single elongatable cured layer only to an interior side of an exterior wall of a building so that the cured, elongatable layer extends from at least two opposing edges of the interior side of the exterior wall of said building with a first of said opposing edges abutting a top of an outer perimeter of the interior side of the exterior wall of said building and a second of said opposing edges abutting a bottom of the outer perimeter of the interior side of the exterior wall of said building,said blast-resistant panel being configured to withstand an explosive blast having a peak incident overpressure of about 17 psi or more and a reflected pressure of about 51 psi or more measured at an exterior side of the exterior wall of said building without breaking. 2. A blast-resistant panel as set forth in claim 1, wherein the elastomeric material is a material selected from the group consisting of polyurea; polysiloxane; polyurethane; and a polyurea/polyurethane hybrid. 3. A blast-resistant panel as set forth in claim 1, wherein said elastomeric material is polyurea. 4. A blast-resistant panel as set forth in claim 1, further comprising a channel member secured to said panel around at least a portion of a periphery thereof by said fastener elements. 5. A blast-resistant panel as set forth in claim 1, wherein the blast-resistant panel has a thickness of about 180 mil. 6. A blast-resistant panel as set forth in claim 1, wherein said elastomeric material has a percent elongation at break in a range of about 400-800%. 7. A blast-resistant panel as set forth in claim 1, wherein said panel further comprises a fabric reinforcing layer. 8. A blast-resistant panel as set forth in claim 3, wherein said panel further comprises a fabric reinforcing layer. 9. A blast-resistant panel as set forth in claim 8, wherein said fabric reinforcing layer is constructed of aramid fibers. 10. A blast-resistant panel as set forth in claim 8, wherein said fabric reinforcing layer is constructed of polyester fibers. 11. A blast-resistant panel as set forth in claim 1, wherein said fastener elements for securing said elongatable blast-resistant panel only to an interior side of the exterior wall of said building comprise concrete anchors. 12. A system for improving the blast resistance of a structure, comprising: one or more flexible, blast-resistant panels of only a single cured layer of an elongatable elastomeric material having only a single elongatable layer of a predetermined thickness in a range between about 100 mil and less than 250 mil and constructed of an elastomeric material sprayed onto a fabric reinforcing layer, and each of the flexible, blast-resistant panels having substantially entirely exposed front and back sides,said one or more flexible, blast-resistant panels having a steel channel fastened around a periphery thereof; anda plurality of fasteners adapted to fasten said steel channel and said one or more flexible, blast-resistant panels only to an interior side of an exterior wall of said structure so as to cover the interior side of the exterior wall of said structure from a top of an outer perimeter of the interior side of the exterior wall to a bottom of the outer perimeter of the interior side of the exterior wall and from a left side of the outer perimeter of the interior side of the exterior wall to a right side of the outer perimeter of the interior side of the exterior wall with said one or more flexible, blast-resistant panels,said one or more flexible, blast-resistant panels being configured to withstand an explosive blast having a peak incident overpressure of about 17 psi or more and a reflected pressure of about 51 psi or more without breaking. 13. The system of claim 12 wherein said steel channel comprises: a pair of opposing sides depending from opposite ends of a bottom portion to form a substantially “U” shaped channel. 14. The system of claim 13 wherein said steel channel comprises: a “U” shaped steel channel along a top portion, a bottom portion, and a first side portion of the periphery; anda “Z” shaped steel channel along a second side portion of the periphery opposite of the first side portion and between the top and bottom side portions, said “Z” shaped steel channel to be fastened to a first and a second of said one or more flexible, blast-resistant panels. 15. A system for improving penetration resistance of a structure, the system comprising: only a single flexible, blast-resistant panel of a sprayed elastomeric material having only a single elongatable layer of a predetermined thickness in the range of about 100 mil to less than 250 mil, and the flexible, blast-resistant panel having substantially entirely exposed front and back sides;a channel attached around a periphery of the flexible, blast-resistant panel; anda plurality of fasteners to fasten said channel only to an interior side of an exterior wall of said structure, the flexible, blast-resistant panel sized to extend across and cover an area between opposing sides of the interior side of the exterior wall of said structure with a first of said opposing sides abutting a top of an outer perimeter of the interior side of the exterior wall of said structure and a second of said opposing sides abutting a bottom of the outer perimeter of the interior side of the exterior wall of said structure,said flexible, blast-resistant panel being configured to resist an explosive blast having peak incident overpressure of about 17 psi or more and a reflected pressure of about 51 psi or more, and said flexible, blast-resistant panel being to impede passage through said blast-resistant panel of wall fragments resulting from the explosive blast. 16. The system of claim 15 wherein said flexible, blast-resistant panel comprises a fabric reinforcing layer. 17. The system of claim 16 wherein said fabric reinforcing layer is constructed of at least one of aramid, polyester, yarns, and fibers. 18. The system of claim 16 wherein said fabric reinforcing layer comprises an open grid pattern. 19. The system of claim 16 wherein said plurality of fasteners to fasten said channel only to the interior side of an exterior wall of said structure comprise concrete anchors. 20. The system of claim 15 wherein said flexible, blast-resistant panel comprises an elastomeric material with a percent elongation at break in a range of about 100-800%.
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