Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7290474 | System for rapidly stopping a spinning table saw blade A system for stopping a spinning table saw blade is comprised of a pin assembly disposed adjacent to a saw blade assembly for stopping a spinning saw blade. A receiving block is disposed on a side of the saw blade opposing the pin assembly for receiving the tip of t... | 11/06/2007 |
| 7222561 | Pyromechanical cutting element A pyromechanical cutting element has a housing (2) in which an electrical conductor (3) is arranged, a cutting plunger (5) with a cutting tool (8) to cut through the electrical conductor (3), and pyrotechnic charge (13) to d... | 05/29/2007 |
| 7207253 | Parachute line cutting device The present invention is to improve the mechanical characteristics of a pyrotechnical parachute line cutting device. By enforcing the mechanical traction on the electrical connection wire by Kevlar reinforcement cords. The flexible electrical wire will be connected ... | 04/24/2007 |
| 7182012 | Pyrotechnically driven device for cutting solid, compact materials A pyrotechnic cutting device has a guiding housing in which there is arranged a part to be severed, which is fashioned so as to be severable at a cut point by a cutting tool having a cutting chisel. A pressure pulse generator containing a pyrotechnic driving charge ... | 02/27/2007 |
| 7047858 | Chamfer device for cutting packaging materials A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen... | 05/23/2006 |
| 7044151 | Piston-activated valve and methods and apparatus for restraining free play in a device Apparatus and methods for fitting mechanical parts to minimize prevent free play are described. An apparatus having a piston is designed so as to restrain the piston before actuation, and so as to allow the piston to gain momentum before striking an object. The desc... | 05/16/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6928765 | Tension activated, hydraulically controlled rope severing device A rope severing apparatus for releasing a rope after continued tension. The first element of the apparatus is the base, which has elastic properties that permit the base to stretch when realizing tensional forces. The base may be a spring in one embodiment, although... | 08/16/2005 |
| 6843157 | Severing vehicle battery cable A severing apparatus for use with a battery cable is provided. The severing apparatus includes a housing that holds an initiator and a severing element. The battery cable is located through a lateral bore formed in the housing. The severing element is disposed on on... | 01/18/2005 |
| 6125834 | Free-piston cutting machine A cutting machine includes a gun barrel for receiving a projectile. A compression tube is disposed in flow communication with the barrel and includes a piston therein. A reservoir is disposed in flow communication with the tube and receives a first gas un... | 10/03/2000 |
| 6000311 | Cutting valve A cutting valve, for example, for a transversing incore probe system, comprises a valve box, a cylinder formed to the valve box, a piston disposed in the cylinder to be slidable therein, a cutting blade mounted to one end of the piston, a powder plug whic... | 12/14/1999 |
| 5664897 | Releasable connector with severable line A releasable connector for a pair of tensioned elements, such as straps sorting a parachuted load, has a cylindrical body separable at a diametrical plane into a pair of blocks each adapted for connection of the block to one of the elements. A helical gr... | 09/09/1997 |
| 5651296 | Device for providing protection against debris produced by a pyro bolt cutter A device for providing protection against the debris produced by a bolt that can be cut by a pyro bolt cutter, in particular through the use of a pyrotechnic device, the device including a confinement enclosure which surrounds the body of the bolt where i... | 07/29/1997 |
| 4826103 | Active cable-cutting assembly for aircraft An active, automatic-firing, impact responsive cable-cutting apparatus for use on conventional aircraft such as helicopters for virtually instantaneously forcibly severing obstructive cables. A lightweight, non-corrosive frame comprising a mounting base p... | 05/02/1989 |
| 4587733 | Percussion device Percussion device for triggering the primer of a blasting charge of an actuation device. It comprises a striker (4) moveably housed and retained in a support (1), as well as a helical traction spring (7) of which one end (8) is secured to the striker. The... | 05/13/1986 |
| 4052922 | Hydraulically-actuated cable cutter A cable cutting member is adapted to be driven forward in a cable holder to cut a cable therein. For driving the cutting member, an explosive charge is detonated by a spring pressed firing pin slidably mounted in the holder behind the charge. A firing pin... | 10/11/1977 |
| 3991638 | Rail gun gauge assembly and method In the combination of a railroad rail and a rail-piercing gun having a support area extending across the tread of the rail, a gauge is provided which includes a rail-end stop bearing against an end of the rail, and an elongated saddle bar connected to the... | 11/16/1976 |
