A breach apparatus is provided for breaching a closure or other obstacle. The breach apparatus includes a body forming a cavity, an end cap attached adjacent a first end of the body and a manifold attached adjacent a second end of the body and in fluid communication with the cavity, a ram assembly including a ram head attached to a first end of a battering shaft, a battering piston attached to a second end of the battering shaft within the cavity of the body, a mass piston movable within the cavity of the body between the manifold and the battering piston, a trigger mechanism in communication with the manifold, and a supply tank in fluid communication with the manifold.

Wedge devices are provided which can be utilized for various applications including, for example, maintaining a purchase between a door and door jamb when performing a forcible door entry procedure. For example, a wedge device includes a wedge body having a tapered profile defined by a first surface and a second surface of the wedge body, and a handle coupled to a back-side of the wedge body. The first surface comprises a textured surface contour. The second surface may comprise a textured surface contour similar to the first surface, or a smooth contour. The textured surface contour(s) of the wedge body prevents backward slippage of the wedge device when in use, and the handle of the wedge device facilitates manipulation of the wedge device using one hand of an individual.

A collapsible breaching tool comprising a tool head; a handle hold connected to the tool head and having outer thread; a first handle tube having a first end, a second end, and defining a first handle tube volume; a second handle tube having a length, the second handle tube moveable between a first position in which most of the length is outside the first handle tube volume and a second position in which most of the length is within the first handle tube volume; an insert connected to the second handle tube, the insert having an inner thread engageable with the outer thread of the handle hold.

A control system for optimising emergency multi-storey building stairwell evacuation, the system includes an occupant tracking subsystem configured to monitor the locations of building occupants within a building as the occupants move between floors of the building so as to be able to continuously calculate the number of occupants on each floor of the building at any time, such that, during an emergency. The control system is configured and able to, using an access door controller subsystem: control the closing of a plurality of access doors of a stairwell; and control the successive opening of certain access doors of certain floors of the stairwell in accordance with an evacuation plan. Wherein the evacuation plan is dynamically configured in accordance with the calculated number of occupants on each floor of the building.

A control system for optimising emergency multi-storey building stairwell evacuation, the system includes an occupant tracking subsystem configured to monitor the locations of building occupants within a building as the occupants move between floors of the building so as to be able to continuously calculate the number of occupants on each floor of the building at any time, such that, during an emergency. The control system is configured and able to, using an access door controller subsystem: control the closing of a plurality of access doors of a stairwell; and control the successive opening of certain access doors of certain floors of the stairwell in accordance with an evacuation plan. Wherein the evacuation plan is dynamically configured in accordance with the calculated number of occupants on each floor of the building.

An apparatus includes a door frame, a carriage movable along a path relative to the door frame, a window, a bolt fixing the window to the carriage, a housing fixed to the window by the bolt, a striker mounted in the housing, and a pyrotechnic charge positioned to drive the striker into the window.

A system for self-extrication from a safety harness by the wearer, or during rescue of the wearer, in the event of an emergency including one or more combination cutter and glass break tools mounted onto and around selected portions of the safety harness at predetermined positions for use in cutting the webbing straps of the safety harness in the event of the inoperability of any safety harness release resulting in the severing of the harness at said position and further resulting in the combination tool being freed for use in breaking glass out of a window of a vehicle.

Impact tools are described herein. An example embodiment of an impact tool includes a core and a plurality of projections. The core is formed of a first material that has a first specific gravity and each projection is formed of a second material that has a second specific gravity. The plurality of projections is configured on the core such that at least two projections intersect a first hypothetical plane disposed on the first side of the core and at least two projections intersect a second hypothetical plane disposed on the second side of the core and that is opposably facing the first side. Each of the first and second hypothetical planes is disposed a distance from the central lengthwise axis of the core that is greater than the radius of the core and less than the sum of the radius of the core and the length of a projection.

Impact tools are described herein. An example embodiment of an impact tool includes a core and a plurality of projections. The core is formed of a first material that has a first specific gravity and each projection is formed of a second material that has a second specific gravity. The plurality of projections is configured on the core such that at least two projections intersect a first hypothetical plane disposed on the first side of the core and at least two projections intersect a second hypothetical plane disposed on the second side of the core and that is opposably facing the first side. Each of the first and second hypothetical planes is disposed a distance from the central lengthwise axis of the core that is greater than the radius of the core and less than the sum of the radius of the core and the length of a projection.

The object of the invention is an emergency escape tunnel in a multi-storey building, especially in a building with a centrally situated staircase and useable rooms surrounding it, used to evacuate people in case of a fire hazard. The emergency escape tunnel according to the invention is equipped with a load-bearing skeleton (6) with an outline similar in shape to an upturned letter U, its surface wall (7) and side walls (8) being covered with layers of a fire-resistant material. The tunnel has a self-activating drive system (13, 32, 36) and is horizontally shiftable in the space (14) between the staircase (1) and the external wall (2) of the building. In the resting position, the tunnel is situated within the staircase and in the operating position the outlet section (15) of the tunnel is situated within the exit door (16) of the building whereas its exit opening (17)| is situated beyond the building. To make it possible to use the tunnel in relatively vast spaces of the building, it consists of two or three telescopically overlapping segments (3, 3a, 4), the ends of which are mutually interlocked with their cover flanges (5).