Matches 1 - 50 out of 111 1 2 3 >
Match Document Document Title
7527663 Ventilation system providing NBC protection  
A ventilation system providing NBC protection for at least one closed security space and/or protection space with constant slight excess pressure, the ventilation system substantially having an air...
7458305 Modular safe room  
A modular bullet resistant safe room constructed of a plurality of panels and having external seam covers connected to selected panels to cover the seam where joined to adjacent panels. Top panels...
7442949 Portable nuclear radioactive fallout shelter and preservation of potable water storage system  
The Portable Nuclear Radioactive Fallout Protection Shelter & Preservation of Potable Water Storage System is comprised of self-supporting interlocking stackable radiation shielding watertight jugs...
7000550 Ablative blast resistant security door panel  
Penetration resistant door panel comprises a plurality of spars having a series of holes therethrough and sandwiched between an outer skin and a rear skin. Preferably there are two series of holes...
6415557 Protective shelter  
A protective shelter that is made from a plurality of elongate, vertical C-shaped panels that have web portions and perpendicular side portions, and are butt connected together with fasteners that...
6412231 Blast shelter  
A blast shelter for protecting individuals during a blast or a natural disaster. The blast shelter includes an outer perimeter wall and an inner perimeter wall. The inner perimeter wall is...
6393776 Tornado shelter with composite structure and concrete tub encasement  
A protective shelter for installation above and in the ground including a superstructure style frame, a composite wall structure for absorbing energy from missile impacts, and a tub encased in a...
6385919 Disaster shelter  
A disaster shelter for mounting under ground. The shelter includes an entranceway having at least one air vent and a substantially hollow paraboloid shaped shelter cell. The shelter cell includes a...
6334278 Tornado safe room  
A relocateable shelter for protecting individuals from dangerous conditions such as Tornadoes and the like, that can withstand winds of approximately 450 mph. The shelter can be attached and...
6328775 Protection system against the penetration of contaminated air and blast waves into a protective space  
The invention provides a compact, portable system for protection against the penetration of contaminated air into a protected space. The system includes a gas filter and an air-intake unit. There...
6151841 Prefabricated portable tornado shelter  
An inexpensive, prefabricated portable tornado shelter is disclosed. The shelter is assembled from four equilateral triangular sides, a base frame, and a floor, to form a square pyramid-shaped...
5983578 Penetration-resistant security passway and door therefor  
A penetration-resistant modular security passway (20) includes a concrete vestibule (24), a doorframe (70), and a penetration-reactive security door (32). The vestibule (24) has a plurality of...
5732510 Personnel protective action system  
An enclosure for housing people in the event of a serious air quality degradation is provided. A pressurized enclosure, either permanent or temporary, includes an air supply system for filtering...
5611178 Device forming an underground shelter for the protection of persons and method for making same  
An underground shelter for the protection of at least one person, comprising two substantially identical rigid panels which may be assembled together into a tunnel configuration and disassembled by...
5206451 Armor-protection for a wall, for example a bombshelter or an armored vehicle  
A wall of, for example, a bombshelter or armored vehicle, is provided with an inner and outer armor spaced from each other. This armor protection is designed to provide a deflection, respectively...
5187316 Passive explosion protection device  
This invention relates to a passive explosion protection device wherein a quick acting gate valve is designed in combination with means for directing and reflecting incumbent pressure surges to...
5115613 Theta blast cell  
An underground blast shelter providing short and long term protection against nuclear detonation for its occupants. The shelter consists of a paraboloidal cell to house the occupants and a command...
5007244 Disaster prevention system and construction for an underground space  
A disaster prevention system for underground spaces has a compressed air supply system and an independent power generator installed in an underground space. In the event of a disaster, the...
4893569 Safety wall and a safety cage for tire inflation  
In connection with the inflation of pneumatic vehicle tires the risk exists that the tire explodes and that the nearby operator or other nearby persons are slung away and severely injured by the...
4873810 Elements having a multi-directional cellular structure whose inertia may vary, and methods of manufacture  
The invention relates to the construction of a self-supporting body of cellular structure, great rigidity, and capable of withstanding stresses exerting in all directions, either separately or...
4776138 Buried vault for underground optical fiber systems  
A buried vault for telecommunication equipment is disclosed. It is adapted to connect with telecommunication conduits, especially optical fiber conduits enclosing optical fibers. The vault encloses...
4729326 Walk-in shelter  
A walk-in shelter providing protection against undesired heat, radiation, gas and water action, as well as mechanical stressing, particularly for data carriers is proposed, in which the walls...
4686911 Blast suppression device  
A blast supression device for use in explosive hardening in a relatively confined enclosed area. The device absorbs and dissipates the explosive force by utilizing a containment frame covered with...
4686804 Prefabricated panelized nuclear-hardened shelter  
A shelter 20 to enable occupants thereof to survive a near-strike nuclear detonation as well as chemical, biological and conventional weapons attacks can be assembled by four men in thirty minutes....
4683691 Protective annular construction and method of manufacture  
A protective annular construction for protecting surface or subsurface facilities against shock. In one embodiment, the invention utilizes concentric slip formed concrete cylinders, at least...
4662287 Tanker safety system  
A safety system, particularly for use with fire fighting tankers, comprising a device whereby at least part of the contents of the tank can be caused to be rapidly discharged and having a hatch for...
4646659 Radiation shielding door  
A radiation shielding door of massive concrete mounted to move parallel to a wall surface adjacent a door opening, while supported on a plurality of roller assemblies which travel along a rail...
4642952 A-shelter  
A nuclear bomb shelter of small dimensions, buildable at low-cost and of very easily installable prefabricated structural elements, comprising an outer protective wall of cupola shape, an optional...
4632041 Blasting chamber  
This invention relates to a blasting chamber; i.e. a cylindrical container or chamber (1, 2) which can contain high pressure and splinters produced by an explosion. The blasting chamber according...
4631872 Nuclear blast and fall-out shelter  
The invention provides a nuclear blast and fall-out shelter to contain a number of persons completely enclosed for several weeks and is provided with oxygen supply means, air conditioning means,...
4625468 Temporary/portable nuclear fallout shelter  
Significant, life-saving protection from airborne, radioactive (fallout) particles due to nuclear explosions, nuclear reactor accidents, and other releases of radioactive particulate is provided by...
4621559 Detonation chamber  
The present invention relates to a readily replaceable liner for a detonation chamber (1) intended to protect the inside of the chamber from damage when the detonation chamber is used for test...
4615158 Mobile home tornado shelter  
A tornado shelter, specially adapted for use with mobile home lots. The shelter is an underground enclosure defined by an annular sidewall and a top and bottom. The top of the enclosure has an...
4573396 Nuclear blast hardened mobile vehicle  
A mobile vehicle having a high degree of survivability against a nearby nuclear blast. The vehicle includes a chasis on which wheels or the like are mounted for movement along the earth's surface...
4566237 Armored panel  
An armored panel construction for a shelter to defeat ballistic fragment and thermal radiation threats comprises an inner structural panel of aluminum alloy sheets bonded to a honeycomb core and an...
4483273 Shelter pressurization and filter installation  
A pressurization and filter installation for shelters, notably of the substantially horizontal tubular tunnel type, comprises at least one entry-exit section communicating with a respective...
4478350 Spherical container or chamber  
The invention deals with a spherical or almost spherical chamber or container 1 which can seal in pressure and splinters produced by explosion, deflagration or detonation of explosive substances....
4389947 Blast suppressive shielding  
Manufactures, apparatus and processes for shielding the hazards of exploss, pyrotechnics and propellants during manufacture, demolition, demilitarization storage, transportation and use.
4370934 Method for production of a compression-proof shelter and prefabricated means for use in this method  
In the production of a compression-proof shelter a semi-finished car garage is used consisting of reinforced lightweight thin concrete walls and being open at the front side. It is required that a...
4357882 Building for detonating explosives  
A building structure for recurrent detonation of explosive charges of up to several hundreds of kilos with the aim to obtain effective sound dampening and economical use of materials. The building...
4228788 Self-contained all-terrain living apparatus  
A living apparatus comprises a first reservoir within the ground surface of circular form and having a quantity of water therein. A building having a roof and a peripheral side wall of circular...
4129123 Defined space having sound-insulated and light-impermeable walls, preferably intended to enclose a bed  
The environment of an enclosed space is controlled to simulate the conditions of an arbitrarily selected geographic site. The sound, temperature and light of the space are raised and lowered in...
3714909 SYSTEM FOR INCREASING THE SHOCK LOADING RESISTANCE OF STRUCTURES  
A reinforced underground structure and a method for constructing the same. A below ground chamber or excavation is surrounded and defined by a concrete support wall. A frozen earthen formation...
3709168 PROTECTIVE SHELTER INSTALLATION  
A protective shelter such as a bomb shelter can be entered into or left through an elongate tunnel connected with an enclosed shelter area and including at least two spaced apart angle sections...
3680498 STRUCTURE AND A METHOD FOR ISOLATING A BUILDING AGAINST RADIOACTIVE FALLOUT  
1. A method for providing radioactive fallout shielding for a structure, said method having the following steps: providing portable containers; providing a plurality of shelves for supporting said...
3660951 SHOCK SHIELDING STRUCTURE AND METHOD  
A shock shielding structure and method for shielding against shock by the use of inflated envelopes wherein said shielding is capable of functioning at peak reflected shocks of over 2,000 pounds...
3592148 EXPLOSIVE ARMOR  
A plurality of freely tiltable, shaped explosive charge holding receptacles are positioned next to each other. Tilt causing strikers are positioned between adjacent charge receptacles. When a...
3552330 ARMORED CLOSURE FOR AN AIRCRAFT HANGAR  
A hangar is provided with a transverse apertured bulkhead, inward of its open end, that is supported on a truss framework which is mounted free of the hangar structure. Armor plate clamshell doors...
3523483 SHELTER PIT  
3463374 WIRE THREADER IN AN ELECTRIC WELDING APPARATUS  
Matches 1 - 50 out of 111 1 2 3 >