JPS58583A - Preserving and protecting wall structure and production thereof - Google Patents

Abstract

A barrier structure for the walls and/or doors of a safe or other security enclosure comprises a corrugated planar element (2) of copper or other tough and heat-resistant metal disposed in intimate relation within a matrix (3) eg of cast aluminium or concrete containing elements (4) of very hard and refractory material. The corrugations in the element (2) are formed so as to ensure that a cutting tool of selected diameter which is applied to that element (2) will inevitably encounter some of the hard material (4) behind that element (2) so that the tool is blunted before the element (2) can be completely penetrated.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a barrier structure used for a safe, a safety container for valuable crystals, etc. The barrier structure used for this purpose can be constructed by various methods. It must be sufficiently resistant to theft attempts.The present invention is designed to provide a material that is resistant to the various tools used in theft. The purpose of the present invention is to provide a storm reform of a security barrier structure that combines the following in a particularly effective manner.

There is no known single material which is effective in crime prevention and is capable of resisting all types of tools and which can actually be used in the construction of containers. Although various materials are known to exhibit excellent resistance to specific tools, it is necessary to combine different materials in order to effectively resist a range of tools in one barrier structure. It is necessary. Moreover, these materials are designed to ensure that the resistance of the structure to so-called single-tool attacks does not become too poor even when a range of different tools are used together. It should be structurally integrated so that it can provide sufficient resistance so that the entire barrier cannot be penetrated by so-called multiple attacks. Simply by combining different materials in separate layers. In the case of nine barrier structures formed, it seems possible to penetrate each material in succession using appropriately selected tools; The entire barrier can be penetrated at once by the penetration of the barrier, and this should be prevented.

To provide a security barrier structure capable of resisting both the single tool and multiple attacks mentioned above, the present invention provides a structure in which plate-like and corrugated members having strong and heat resistance are arranged along the surface of the barrier. The element is characterized in that it is tightly disposed within a matrix made of or containing a steel and refractory material.

The present invention further comprises a plate-shaped corrugated member made of nine metals that is strong and has excellent heat resistance, and a matrix made of only a hard and fire-resistant material or containing a core material is molded around the member, The present invention provides a method for manufacturing a security barrier structure characterized by a method of substantially arranging the corrugated member on a barrier surface.

A particularly preferred material from which the corrugated members are formed is steel, with alternatives such as stainless steel, aluminum and cast iron.

The base body in which the corrugated member is incorporated preferably contains at least 10 JIe by volume of a material with a hardness exceeding 1000 Kf/-, and the base body herein refers to the base body that prevents the corrugated member from being attacked from outside the container. Refers to at least the part of the member on the rear side.

Suitable host materials are therefore quartzite, hard-mixed concrete containing hard aggregates such as fused alumina (which can also be reinforced with iron or polypropylene fibres), and cast aluminum or steel with fused alumina. Contains compounds containing lumps such as alumina.

Said corrugated metal members, due to their rapid heat dissipation ability, can provide the barrier structure according to the invention with sufficient resistance to attack by heat treatment tools such as oxyacetylene, oxyarc, etc., and They can provide sufficient resistance to mechanical attack tools (the ability to deform without being destroyed); on the other hand, such materials are relatively soft and can be used alone to withstand drills, pegs, and saws. Although it is vulnerable to attacks by cutting-edge mechanical cutting tools such as
With the structure according to the invention, these can be counteracted by the hard material of the surrounding matrix. Corrugated members are thus particularly advantageous. As will be explained in more detail below, proper shaping of this member ensures that a rounding tool applied to the corrugated member to cut a hole of a particular diameter will completely penetrate the member. Before cutting, the tool will hit any of the hard material in the matrix behind the corrugated member. In this way, the structure exhibits high resistance to multiple attacks, where the multiple attacks are defined as corrugated members. The base material in front of the corrugated member is first removed by some type of tool where the base material is weaker than the base material, and then this exposed material is removed by another tool where the corrugated member is believed to be weaker than the base material. It is like attacking the corrugated member.Also, when removing the base material, the recesses on the surface of the corrugated member are located in other recesses, for example, it is better to attack the corrugated member. Based on our experience that it is more difficult to remove the cough matrix than when it is arranged as a flat layer, we believe that the corrugated internal metal member is effective against the first stage attack. It is also possible to add a supporting role to countering the enemy.

Metal parts such as steel are also suitable for abrasive tools, such as diamond core drills, where the tip of the tool is continuously reduced to expose new abrasive particles. can be fully countered. If such a device comes into contact with a corrugated member of a structure according to the invention, the cough device will quickly become clogged by the ductile metal. Because it functions to maintain its integrity when subjected to impact loads, it can also provide high resistance to attacks using explosives. Further: = ballistic projectiles, etc. 1: Provide a suitable combination of hard and sturdy materials to resist ballistic projectiles, etc. 4. If the cutting tool 6. If it is necessary to ensure that its tip is rounded, the corrugation of the internal member should be such that the tip of the cough tool simultaneously and in one place contacts a part of the metal member and a part of the base material. , must be related to the size of the tool and the direction in which the tool travels.A pure form of corrugation consisting of several parallel rows of alternating peaks and troughs can be produced relatively inexpensively in thin or flat plates. :Thus, by appropriately selecting the dimensions of the corrugation, the aforementioned tool blunting effect can be provided over a wide range of tool dimensions.
And it is possible to ensure that the attack direction that may be encountered in the actual situation is more effective. In this regard, experiments have shown that it is preferable that the size of the corrugation, that is, the height of the Japanese ginseng as measured on the same plane ζ:, is 5 to 15 times thicker than the thickness of the metal that is the corrugated member. Therefore, for example 10
When the member is formed of a thin plate having a thickness of 1, the size of the waveform is approximately 20 cages. Although increasing the size of the corrugations generally does not reduce the security function, it may be impractical, for example in the case of safes where wall thickness is limited, and the pitch of the corrugations, i.e. The distance 1lII between crests or troughs is preferably between half and twice the diameter of the typical penetration through which the barrier is to be penetrated. For example, the pitch of the corrugations should be between 60 and 250 mm to counteract those attempting to penetrate a 125 m diameter hand-drilled hole.
-, and therefore the preferred pitch to counter a 40-diameter penetration is 20 to 80
It is within the range of ■. A pitch of about 70 cm can therefore be mentioned as exhibiting the optimum counterforce for penetration diameters ranging from 40 to 125 cm. The pitch and size will generally be related to each other as follows, i.e., the angle that the straight line connecting adjacent peaks and valleys makes with the surface of the barrier is 5 to 60 degrees. It is within the range of However, instead of the above-mentioned waveform in which peaks and valleys appear in parallel, it is also possible to provide other more complex waveforms. For example, the corrugated ridges may extend in two or more different directions, or a plurality of separate recesses or the like may be optionally provided on the groove of the metal member.

Such parts are generally used for egg boxes (elag boxes).
It can be called as. And the term corrugation will therefore be understood more broadly, as metal parts of these shapes can be better provided by casting molten metal than by forming them from sheet metal.

In some embodiments, the shape of the corrugated member can be defined as follows. That is, if one considers an imaginary cylinder penetrating the barrier structure at substantially right angles to the plane of the barrier at substantially all locations within at least four principal portions of the projecting area of the member, this recollection The cylinder has at least one cross-sectional shape having at least one surface on which the corrugated member is present and another circumferential surface on which the base material portion located behind the iron-liquid shape member is present. This is especially the case if the diameter of the cylinder is in the range 40 to 125 mm.

This structure according to the invention can be manufactured, for example, in the form of a flat slurry which is incorporated into the walls or doors of a safe or valuables compartment. As an alternative, in the case of the structure of the safe body, the barrier structure may be placed in a single cast matrix material of tin, and the barrier structure may be placed in a single cast matrix material of tin. It would be very useful if you did. In such constructions, in addition to the main part of the corrugated metal member, metal strips or metal plates, particularly preformed and made of the same or similar metal, are incorporated into the base material, by means of which the door of the security container or the It is also possible to prevent particularly overlapping parts of the main body from being penetrated.

In practice 1: this barrier structure is generally formed on a backing plate which supports and positions the structure in the case of a completed container. That is, the backing plate is located on the rear side of the aforementioned base material and corrugated member and forms, for example, the inner surface of the body of the safe. The entire structure is then fitted with a backing plate (11) and fasteners extending into the base material (11) are provided to secure the base material to said plate. Preferably, the fixing device is formed in the corrugated member, extends through a circular hole, and is connected to a rod-shaped member or the like at the front surface of the corrugated member. The combination of these bars and fasteners (which prevents the corrugated members from being pulled away from the backing plate) and their placement in the matrix ensures that the entire barrier structure remains intact even when explosive forces are applied. can be completely prevented from peeling off from the backing plate. Further, as another feature of the barrier structure according to the present invention, it is effective if the inner metal member is coated with an electrically insulating material or a smoke-emitting material. but others may be used, if the internal metal parts are difficult to conduct electricity from normal iron surfaces or other metal components in this way. Coatings generally provide protection against thermal attack.

Embodiments of the present invention will be described in more detail below with reference to the drawings.

In Figure 1, a high-strength iron backing plate 1
A nine barrier structure is firmly attached to the wall, and the barrier structure is formed into a corrugated shape and includes nine steel plates 2. This steel plate 2 is closely arranged in a matrix consisting of a cast aluminum alloy 3, which contains a mass of a very hard refractory material such as molten aluminum (e.g. Alloxide®). There is. In the case of the structure shown in FIG. 1, the thickness of the copper plate is 13 mm, the minimum thickness b of the base material between the copper plate 2 and the backing plate l is 25 mm, and the thickness of the steel plate 2 is 13 mm. The waveform size C is 24
-, the pitch d of the corrugations is between 100 and 150 ■, and the total thickness e of the integral barrier is 65 -.As explained earlier, such a structure can be used over a wide range of The corrugation of the copper plate 2 in this example shows a high resistance to attack by thermal and mechanical tools, i.e. the corrugation of the copper plate 2 in this example makes it possible to drill holes with dimensions that can be drilled by hand in the steel plate and from the outside (plate l Any mechanical cutting tool used that attempts to penetrate the barrier (from a distance of 900 feet to the side) will cut into the mother plate behind the steel plate before it is completely penetrated. Fused alumina 4 will be encountered as a hard member in the material.

When manufacturing the round type structure shown in FIG. 1, the following procedure may be adopted. A plurality of rows of L-shaped fixtures 5 (FIG. 2) are welded to the backing plate 1, and a steel plate 2 with a plurality of holes is mounted over these fixtures. Here, the steel plate 2 is preformed with holes 6 selected as shown in the figures and suitably spaced at the valleys of the nine corrugations or elsewhere. A plurality of horizontal bars 7 are arranged to run on the surface of the steel plate 2 and under each fixture 5 in each row, and the bars 7 and the fixtures 5
The assemblies are welded together. This rod 7 and fixture 5 serve to accurately position the copper plate 2 relative to other parts during subsequent fabrication, and most importantly, when completed, the nine security barriers are backing. It works to reliably prevent it from separating from the plate.

After the rods and fixtures are welded, the backing plate l is assembled with a reusable metal lid structure in a round shape that defines a suitable mold cavity around the steel plate 2.

Then, the mass 4 of the alloxide or the like is introduced into the formed space. This entire structure is then heated again and molten aluminum alloy is injected into the cavity to form the base material 3. The aluminum now completely fills the gap between the mass 4, the backing plate 1 and the copper plate 2. The aluminum flows around both sides of the steel plate 2 and through the hole 6 and further through another hole 84, whereby the steel plate 2 is formed and embedded tightly in the base metal.

Finally, the mold is cooled and the backing plate 1 is removed from the collar, leaving a security barrier shaped as shown in 1st and 21g.

Next) Figure 3 shows an example in which the barrier structure according to the present invention is actually applied to a security container.

Here, the door 9 and main body 10 of the safe each have a slab and tin type barrier structure having a copper plate 2 in a base material made of aluminum 3 and alumina 4, respectively, as described above. The corrugated copper plate 2 on the door is shown running vertically, and the corrugated steel plate 2 on the container body is shown running horizontally. Good 1: Refined copper pieces 11 and 12 are integrally incorporated into the respective barrier structure at a location adjacent to the junction between the door edge and the container body. These pieces 11 and 12 are used for the door bolt 13 and the recess 14 in the main body that accommodates the bolt.
It is useful to counter attacks by torches in 0%.
As a result, Bolt 13 O1bicho%,,,1-4 (7
) to provide adequate resistance to attempts to direct the torch through the gap at a preferred angle.

FIG. 4 shows another embodiment of the barrier structure according to the present invention. Here, as mentioned above, the backing play is generally used) 1' 1 m firmly attached nine corrugated copper plate 2
In particular, in this embodiment the steel plate 2' is located in a matrix 3' of hard safety concrete having a total thickness of, for example, 150 mm. steel plate 2'
is similar to the fixture 5 and rod 7 described above: the dual-function fixture 5'
and attached to the backing plate 1 by rods 7'. Further fixtures 16 and rods 17 are provided to help prevent separation of base material 3' from steel plate 2'. The outer finished surface is designated by the numeral 18. The concrete or matrix 3' is preferably fiber reinforced concrete and preferably has a high proportion of very hard aggregate such as quartzite.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing a first embodiment of the barrier structure of the present invention;
FIG. 2 is a cross-sectional view showing the structure of FIG. 1 in more detail, FIG. 3 is a cross-sectional view showing nine cases in which the barrier structure according to the present invention is applied to a safe, and FIG. 4 is a cross-sectional view showing another example of the present invention. First example
It is a sectional view of the same position as the figure. 1... Backing plate, 2... Copper plate, 3...
Base material, 4...aluminum, 5...fixing tool, 7...rod. Engraving of drawings (no change in content number 9, engraving on side m 7 (procedural amendment with no change in content, 1981, f drawing, pt date, Commissioner of the Patent Office) 1, Indication of the case, 1982 Patent Application No. 100559 2, Invention Name of Security Barrier Structure and its Manufacturing Method 3, Relationship with the Amended Person's Case Name of Patent Applicant Chaff & Sons Lock &
Safe Kanno Knee Reden Dead 4, Agent Z Drawings attached to the application subject to amendment. 8. Details of the amendment as shown in the attached sheet.

Claims (1)

[Scope of Claims] (1) A plate-shaped corrugated member made of a strong, tough, and fire-resistant metal is disposed substantially in the face of the barrier, and the corrugated member is formed of a hard and fire-resistant material. A security barrier structure consisting of nine members or tightly integrated into a parent body including an armpit member. Claim 1 wherein said metal is selected from the group consisting of copper, stainless steel, aluminum and cast iron.
Security barrier structure described in section. (3) The rear electrode of at least the corrugated member of the base body; the arranged portion contains at least 10 by volume of a material having a hardness exceeding 1000 KF/-. Security barrier structure. (4) The matrix material is selected from the group consisting of quartz or concrete containing fused alumina as an aggregate, and cast aluminum or copper containing a lump of fused alumina. The security barrier structure according to any one of paragraph 3. (Excellent) The security barrier structure according to any one of claims 1 to 4, wherein the corrugated members are formed by parallel rows in which peaks and valleys appear alternately. (6) The security barrier structure according to claim 5 (g), in which the waves of the corrugated member are thicker than the thickness of the circular member. (7) The wave Bi'If of the II-shaped member is 8G ~ 2! ! O
Security barrier structure according to claim 5 or 6. (8) The security barrier structure according to claim 6 or claim 6, wherein the wave pitch of the corrugated member is within the range of 20 to 80 cm. (9) A claim in which the imaginable straight line connecting the 1,141 m peaks and valleys of the corrugated member forms an angle within the range of S to 6σ with respect to the surface of the barrier; Security vj11'III construction as described in Section 1. (10) The M-shaped member has a plurality of optionally separate recesses arranged on the surface of the armpit member); Security barrier structure described in . (11) At least 12 of the protruding areas of the corrugated member
Assuming a circular cylinder with a diameter of 5 mm, the circular cylinder has at least one cross-section having one circumferential surface on which a portion of the corrugated member resides and the other side surface on which a portion of the base material located behind the corrugated member resides. A security barrier structure according to any one of claims 111 to 10. (12) The entire barrier is fixed to the backing plate, -
The security barrier structure according to any one of claims 1 to 11, wherein foot odor is present from the backing plate to the inside of the body. (13) The security barrier structure according to claim S, item 12, wherein the fixture is provided in the corrugated member, has a round hole through it, and is engaged with a net-like bar or the like on the front side of the corrugated member. (14) The corrugated member is one of the protective M14* according to any one of claims 1 to 13, which is air-insulated and/or coated with a fuming substance. A security container incorporating the security barrier structure described in Section 1. (16) A plate-shaped corrugated member made of a strong and heat-resistant metal is provided, and a base body made of a hard and fire-resistant material and consisting of nine members or including a chain member is provided around the corrugated member. A method for manufacturing a security barrier structure, in which the corrugated member is molded around a wall, and the corrugated member is disposed substantially on the surface of the barrier. 17. The method of claim 16, wherein the material is formed by casting. (18) The method according to claim 17 or claim 17, wherein the security barrier structure has the features described in any one of claims 2 to 14.