GB2244237A - Bullet-proof wall panel - Google Patents

Bullet-proof wall panel Download PDF

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Publication number
GB2244237A
GB2244237A GB9004130A GB9004130A GB2244237A GB 2244237 A GB2244237 A GB 2244237A GB 9004130 A GB9004130 A GB 9004130A GB 9004130 A GB9004130 A GB 9004130A GB 2244237 A GB2244237 A GB 2244237A
Authority
GB
United Kingdom
Prior art keywords
bullet
sandwich panel
proof layer
proof
edge
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.)
Withdrawn
Application number
GB9004130A
Other versions
GB9004130D0 (en
Inventor
Andrianus Cornelis Harpers
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.)
Hunter Douglas Industries BV
Original Assignee
Hunter Douglas Industries BV
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 Hunter Douglas Industries BV filed Critical Hunter Douglas Industries BV
Priority to GB9004130A priority Critical patent/GB2244237A/en
Publication of GB9004130D0 publication Critical patent/GB9004130D0/en
Publication of GB2244237A publication Critical patent/GB2244237A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • F41H5/013—Mounting or securing armour plates
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/05—5 or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/108—Rockwool fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/30—Iron, e.g. steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/08—Glass
    • B32B2315/085—Glass fiber cloth or fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2369/00—Polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

A sandwich panel structure comprising two metal outer surface forming plates 14, 16, an intermediate insulating material layer 15 sandwiched between said outer surface forming plates and a bullet-proof layer 42 placed between the outer surface forming plates, preferably within the thickness of the insulating material 15. The panels may have an edge profile 28 which engages with limbs (22, 24) on an adjacent panel. <IMAGE>

Description

BULLET-PROOF WALL PANEL The present invention relates to wall panels.
It is conventional to manufacture building panels both for interior and for external use, as sandwich panels, that is to say panels having two outer surfaces having sandwiched therebetween insulating material which is used both to provide thermal and acoustic insulation between areas on either side of the panel. It is quite common to form such sandwich panels having two outer sheet metal layers with an interior sandwiched therebetween formed of an insulating material such as foam material, glass fibre material or so-called rock-wool material. Such panels conventionally have associated therewith profiled edge formations on at least two of four edges of the panel, these being used, in many constructions, to cooperate with edge formations on other panels to provide an interlocking arrangement.
Sometimes one wishes to use these panels in hazardous situations in which the occupants of the enclosure may be under threat from a criminal. Examples of this are panel structures used for dividing two areas of establishments such as banks, building societies or pay booths used at railway stations, football stadia etc.
It is now proposed, according to the present invention, to provide a sandwich panel structure in which there is placed between the outer surface forming plates of the panel, and preferably within the thickness of the insulating material, a bullet-proof layer and thereby to afford some protection to people within an enclosure formed by a plurality of such panels.
The bullet-proof layer may take a number of forms.
For example, it could be in the form of a sheet of steel or it could be in the form of a fabric or substrate such as that sold under the trade names Kevlar or Lexan.
As indicated above, many of these panels have a profiled cross-section edge member on at least one of two opposite edges, or alternatively on each of two adjacent edges extending at right angles to one another. These are commonly formed of extrusions of plastic or aluminium which themselves would not necessarily be bullet-proof. It is preferred, therefore, that the bullet-proof layer should extend within the profiled edge portions. This can be done in a number of ways. In one construction, the bullet-proof layer extends through a slot formed in one part of the edge profile. While this provides a structure which is relatively easy to manufacture, it nonetheless will weaken the edge profile.It is therefore also contemplated that the bullet-proof shield should abut one inner face of the edge profile and that further bullet-proof material should be included within the cross-section of the edge profile, so that the latter does then not have to be provided with any form of weakening slit.
It is also possible to provide additional inserts of bullet-proof material which can extend into clearances provided between the profile and a cooperating formation on an adjacent panel edge.
In order that the present invention may more readily be understood, the following description is given, merely by way of example, reference being made to the accompanying drawings in which: Figure 1 illustrates one embodiment of a panel system according to the invention; and Figure 2 is a similar view of a portion of two alternative structures.
Referring first to Figure 1, there is illustrated the junction between two panels 10, 12. These panels each consist of front and rear facing sheets 14, 16 which are formed to provide a tongue and groove arrangement. The bottom edges, as shown in Figure 1, are provided with two cranked portions 18, 20 providing spaced apart limbs 22, 24 respectively, these forming a groove therebetween.
The other edge of the panel is provided with an edge.
The opposite edge of the panel has an edge profile member 28, usually formed as an extrusion of PVC plastic or aluminium alloy, the profile consisting of a transverse web 30 extending across the full width of the insulation 15, two side arms 32, 34 and a central box section tongue portion 36 which is hollow. Edge parts of the facing 14, 16 are bent over the arms 32, 34 to secure these edge parts thereto and to hold the profile 28 in place. Gaps 38-40 are left between these inturned portions and the limbs 22, 24 forming the groove. These gaps may be used to mount the panel by insertion therein of a locking tab on a support structure.
According to the present invention, there is provided an intermediate sheet of bullet-proof material this being indicated by the general reference numeral 42. It will be seen that the lower portion 44 projects beyond the core into the groove 26 and is positioned to abut the box section tongue 36. The upper portion of the bullet-proof material indicated at 46 extends through a slot 48 formed in the box section 36, and spans fully across the width of the box section 36.
When the tongue and groove are inter-engaged as shown in Figure 1, bullet-proof material 42 thus extends substantially fully across the full panel system.
One slight difficulty which is contemplated with the structure illustrated is that the slot 48 may weaken the box section 36 and in an alternative structure, the box section is not provided with a slot, but rather an intermediate portion 47 of bullet-proof material (see Figure 2) is inserted as a separate element within the box section 36. As mentioned above, the bullet-proof material 42 may be in the form of bullet-proof steel or may be some other material, such as that sold under the trade mark Lexan or Kevlar. Such materials may be in a flexible form and it is contemplated that a quantity of Kevlar, for example, could be rolled up and inserted into the interior of the box section 36 to form the equivalent of the portion 47 illustrated in Figure 2.
Another approach to providing protection at the tongue and groove junction is for a further strip of bulletproof material, for example as illustrated at Figure 50 in Figure 2, to be inserted. Preferably a strip of resilient decorative material 52 is also provided to facilitate insertion and to improve the overall appearance.
In the illustrated embodiment, the bullet-proof layer 42 has been shown disposed centrally of the thickness of the core material. In fact it could be placed at any location within the thickness of the panel, that is offcentre in the core material or even immediately abutting one of the facings 14,16.
It will be appreciated that with the structure according to the invention the sandwich panel can be made substantially fully bullet-proof to prevent unwanted gun attack on the occupant.

Claims (9)

1. A sandwich panel structure comprising two metal outer surface forming plates, an intermediate insulating material layer sandwiched between said outer surface forming plates and a bullet-proof layer placed between the outer surface forming plates.
2. A sandwich panel structure according to claim 1, wherein the bullet-proof layer is positioned within the thickness of the insulating material.
3. A sandwich panel according to claim 1 or 2, wherein the bullet-proof layer is in the form of a sheet of steel.
4. A sandwich panel according to claim 1 or 2, wherein the bullet-proof layer is in the form of a fabric or substrate such as that sold under the trade mark KEVLAR or LEXAN.
5. A sandwich panel according to any preceding claim, and further comprising a profiled cross-section edge member of at least two of the sides of the panel, wherein the bullet-proof layer extends to within the profile crosssection edge members.
6. A sandwich panel according to claim 5, wherein each profile cross-section edge member further comprises a slot into which the bullet-proof layer extends.
7. A sandwich panel according to claim 5, wherein the bullet-proof layer abuts one inner face of the edge profile and further bullet-proof material is included within the cross-section of the edge profile.
8. A sandwich panel substantially as hereinbefore described with reference to, and as illustrated in Figure 1 of the accompanying drawings.
9. A sandwich panel substantially as hereinbefore described, with reference to, and as illustrated in Figure 2 of the accompanying drawings.
GB9004130A 1990-02-23 1990-02-23 Bullet-proof wall panel Withdrawn GB2244237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9004130A GB2244237A (en) 1990-02-23 1990-02-23 Bullet-proof wall panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9004130A GB2244237A (en) 1990-02-23 1990-02-23 Bullet-proof wall panel

Publications (2)

Publication Number Publication Date
GB9004130D0 GB9004130D0 (en) 1990-04-18
GB2244237A true GB2244237A (en) 1991-11-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB9004130A Withdrawn GB2244237A (en) 1990-02-23 1990-02-23 Bullet-proof wall panel

Country Status (1)

Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372476A (en) * 2001-02-27 2002-08-28 Intelligent Engineering Structural sandwich plate members
GB2408016A (en) * 2003-11-14 2005-05-18 Intelligent Engineering Structural sandwich member
FR2914337A1 (en) * 2007-03-28 2008-10-03 Von Roll Isola France PANELS OF PARTITION BALLS.
WO2020104452A1 (en) * 2018-11-23 2020-05-28 Thyssenkrupp Steel Europe Ag Ballistic product and use thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198454A (en) * 1978-10-27 1980-04-15 American Air Filter Company, Inc. Lightweight composite panel
EP0244291A1 (en) * 1986-04-14 1987-11-04 Edward Hood Phillips Steel shell modules for prisoner detention facilities and the like and facilities made of such modules
US4822657A (en) * 1987-01-08 1989-04-18 Alliance Wall Corporation Bullet resistant panel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198454A (en) * 1978-10-27 1980-04-15 American Air Filter Company, Inc. Lightweight composite panel
EP0244291A1 (en) * 1986-04-14 1987-11-04 Edward Hood Phillips Steel shell modules for prisoner detention facilities and the like and facilities made of such modules
US4822657A (en) * 1987-01-08 1989-04-18 Alliance Wall Corporation Bullet resistant panel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372476A (en) * 2001-02-27 2002-08-28 Intelligent Engineering Structural sandwich plate members
GB2408016A (en) * 2003-11-14 2005-05-18 Intelligent Engineering Structural sandwich member
FR2914337A1 (en) * 2007-03-28 2008-10-03 Von Roll Isola France PANELS OF PARTITION BALLS.
WO2008135685A1 (en) * 2007-03-28 2008-11-13 Von Roll Isola France Bullet proof partition panels
WO2020104452A1 (en) * 2018-11-23 2020-05-28 Thyssenkrupp Steel Europe Ag Ballistic product and use thereof

Also Published As

Publication number Publication date
GB9004130D0 (en) 1990-04-18

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)