# US 2014/0360416 A1 · Bullet Resistant Security Door

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- Number: US 2014/0360416 A1
- Document ID: US20140360416A1
- Status: Published application
- Kind: A1
- Application number: 14/295,734
- Filed: 2014-06-04
- Published: 2014-12-11
- Earliest claimed: 2013-06-11
- Inventors: Alan P. Deiler
- Web page: https://patentgrep.com/patent/US20140360416A1

## CPC

- E05G 1/026: Closures (protective doors, windows, or like closures against air raid or other war-like action E06B5/10; shutters, movable grilles, other safety closures E06B9/02)
- F41H 5/0457: {Metal layers in combination with additional layers made of fibres, fabrics or plastics}
- F41H 5/0471: {Layered armour containing fibre- or fabric-reinforced layers (in combination with ceramic layers F41H5/0428, with metal layers F41H5/0457)}
- E05G: SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS ({devices to prevent theft of bags, trunks or baskets A45C13/18;} alarm arrangements per se G08B)
- F41H: ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL

## Abstract

A security door that impedes or resists the penetration of bullets or other projectiles is provided, which may be used to protect the occupants in a room from threats outside the room by providing a bullet resistant entry door for the room. The preferred embodiment of the bullet resistant security door includes a threat-side outer surface or layer, a first core layer, bullet resistant ballistic layer, a second core layer, an armor layer, and a safe side outer surface or layer and is sufficient to meet the requirements of the Level 3 Protection Level of the UL 752 standard.

## Claims

### Claim 1

A security door comprising:
a threat-side outer surface;
at least one core layer;
a bullet resistant ballistic layer;
an armor layer; and
a safe-side outer surface.

### Claim 2 (depends on 1)

The security door of claim 1, wherein the at least one core layer comprises a first core layer and a second core layer.

### Claim 3 (depends on 2)

The security door of claim 2, wherein the bullet resistant ballistic layer is adjacent to and sandwiched between the first core layer and the second core layer.

### Claim 4 (depends on 2)

The security door of claim 2, wherein the armor layer is adjacent to the second core layer.

### Claim 5 (depends on 2)

The security door of claim 2, wherein the first core layer, the bullet resistant ballistic layer, the second core layer, and the armor layer are adhered to each other with an adhesive.

### Claim 6 (depends on 2)

The security door of claim 2, wherein the first core layer and the second core layer comprise structural composite lumber.

### Claim 7 (depends on 2)

The security door of claim 2, wherein the first core layer and the second core layer comprise hardwood lumber.

### Claim 8 (depends on 2)

The security door of claim 2, wherein the first core layer and the second core layer comprise fiberboard.

### Claim 9 (depends on 2)

The security door of claim 2, wherein the threat-side outer surface comprises an outer surface of the first core layer and the safe-side outer surface comprises an outer surface of the second core layer.

### Claim 10 (depends on 1)

The security door of claim 1, wherein the at least one core layer comprises structural composite lumber.

### Claim 11 (depends on 1)

The security door of claim 1, wherein the at least one core layer comprises hardwood lumber.

### Claim 12 (depends on 1)

The security door of claim 1, wherein the at least one core layer comprises fiberboard.

### Claim 13 (depends on 1)

The security door of claim 1, wherein the threat-side outer surface and the safe-side outer surface each comprise a veneer mounted on fiberboard.

### Claim 14 (depends on 1)

The security door of claim 1, wherein the threat-side outer surface comprises an outer surface of the at least one core layer.

### Claim 15 (depends on 1)

The security door of claim 1, wherein the bullet resistant ballistic layer comprises bullet resistant fiberglass.

### Claim 16 (depends on 1)

The security door of claim 1, wherein the armor layer comprises a high strength metal.

### Claim 17 (depends on 16)

The security door of claim 16, wherein the armor layer comprises steel.

### Claim 18 (depends on 17)

The security door of claim 17, wherein the armor layer comprises a 16 gauge steel sheet.

### Claim 19 (depends on 1)

The security door of claim 1, further comprising an outer frame, wherein the outer frame comprises a top rail, a bottom rail, and two stile edges.

### Claim 20 (depends on 19)

The security door of claim 19, wherein the top rail, bottom rail, and stile edges comprise hardwood.