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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7587980 | Mechanical delay mechanisms for inertial igniters for thermal batteries and the like An inertia igniter including: a housing; and a movable striker supported by first and second stages, the first stage having a first locking element for releasing the second stage upon a first predetermined acceleration of the housing and the second stage having a se... | 09/15/2009 |
| 7437995 | Axially compact mechanical igniter for thermal batteries and the like An inertial igniter including: a first member having a wall and internal cavity; a second member slidable in the internal cavity, a striker disposed thereon and a first concave portion; a third member slidable on an exterior surface of the wall, a second concave por... | 10/21/2008 |
| 6928931 | Release mechanism in missile A release mechanism between a projectile and a rocket motor in a missile. The projectile releases from the rocket motor during flight of the missile when the rocket motor burns out and aerodynamic retardation commences. The front end of the rocket motor comprises a ... | 08/16/2005 |
| 6536347 | Time delay latch device A time delay latch device of the arming assembly of a delay fuze which replaces the current system in support of the U.S. Navy Mine Clearing Program. The time delay mechanism is a mechanical run-away escapement having a one-half pound release force that u... | 03/25/2003 |
| 5003881 | Aerial flare and igniter Illuminating flare has an igniter in which a two-part inertial mass is gud for relative aftward movement from a safe position to an armed position under launching forces. One part of the mass undergoes relative forward movement to an ignition position un... | 04/02/1991 |
| 4991510 | Impact fuse having fore-bore safety The invention relates to an impact fuse (2) having fore-bore safety for a projectile (1), comprising a percussion needle (3) stationary on the fuse and an impact body (4) containing a percussion cap (5) and supported slidingly in the direction of flight, ... | 02/12/1991 |
| 4632033 | Detonator for rifle grenades or the like A fuze of the type used in a rifle grenade assembly with a striker, a rotor nd a rotor lock includes one or more improvements. One pertains to the striker to prevent it from reaching a detonator-striking forward position more than once. Once it advances to... | 12/30/1986 |
| 4487127 | Percussion fuse An improved construction for a percussion fuse. The fuse function has a firing pin rigidly mounted in an ignition head an adapted to coact with a percussion cap mounted in an impact member. This impact member is securedly maintained in a first position by... | 12/11/1984 |
| 4345124 | Acceleration switch The disclosure relates to an improved integrating acceleration switch of the type having a mass suspended within a fluid filled chamber, with the motion of the mass initially opposed by a spring and subsequently not so opposed.... | 08/17/1982 |
| 4320706 | Percussion head fuse for an explosive projectile It comprises a cylindrical body 1 which is intended to be fixed on an explosive projectile. A detonator 12 comprising a casing 13 whose rearward portion serves as armor plating 13' is mounted slidably in a casing 11 which is fixed coaxially in the cylindr... | 03/23/1982 |
| 4316414 | Fuze A fuze apparatus arms itself in flight and is especially adapted for use in training shells. The fuze has a casing with ignitable or explosive material located therein and an igniter mounted to ignite the ignitable material upon a sufficient impact agains... | 02/23/1982 |
| 4281600 | Subprojectile to be expelled from a projectile A subprojectile to be expelled from a projectile. The subprojectile is provided with a fuze, which has an ignition body being capable of sensing acceleration forces appearing at the expelling of the subprojectile from the projectile, and being capable of ... | 08/04/1981 |
| 4217828 | Safety device for fuses Safety device for fuses, of the type which comprises a mobile element, which can be moved from a position of safety in which aforesaid mobile element may either be part of the pyrotechnical chain, of an electric or of an electronic circuit, or contain any... | 08/19/1980 |
| 4212245 | Bottom fuse The invention relates to a bottom fuse for an explosive projectile for example a rifle grenade comprising a hollow revolution body the rear end of which is provided either with a primer or with a percussion point and inside of which a detonator is slidabl... | 07/15/1980 |
