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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7310919 | Grain bin flooring system A grain bin floor panel formed from sheet metal. The grain bin floor panel is comprised of a first flange, a second flange, and a center support disposed between the first flange and the second flange. The center support is connected to the first flange by a first s... | 12/25/2007 |
| 6941720 | Composite building material This invention generally pertains to a composite building material comprising a lightweight core with a thin fiber cement facing on one side of the core and a second facing material on the other side. The fiber cement facing that is used on at least one of the faces... | 09/13/2005 |
| 6612092 | Wall structure with improved strength A wall for making tanks includes two superimposed plates connected to each other at respective spaced apart connected points distributed on a surface of the plates, at least one of the two plates, between respective connecting zones, bulging outward, so t... | 09/02/2003 |
| 6378252 | Stud for retaining insulating panels and method for installing insulating panels along a wall provided with such studs The power generator unit includes a container having an acoustically insulated inner wall. The inner wall has wall panels each provided with a number of spaced-apart vertical retention studs between which acoustic panels are installed. The retention studs... | 04/30/2002 |
| 6176065 | Stacked structure A stacked structure especially useful for storing water in the underground is formed of a plurality of skeleton members. Each skeleton member includes a plurality of skeleton parts extending in one direction and situated side by side in a lateral directio... | 01/23/2001 |
| 6003283 | Vented flexible honeycomb Flexible honeycomb panels are vented by providing vent openings at specific locations within the honeycomb core. The invention is applicable to flexible honeycomb panels which are made from bonded corrugated sheets wherein each of the corrugated sheets ha... | 12/21/1999 |
| 5944377 | Floor assembly for a passenger car and method of making same A floor assembly for a passenger car includes a double-walled floor provided with local reinforcements between laterally external side members and a center tunnel. To reduce the cost of manufacturing and assembly of the floor assembly, the double-walled f... | 08/31/1999 |
| 5791118 | Energy absorbing fiberglass sandwich panel with corrugated core A damage resistant sandwich panel having a first outer face sheet for forming an outer face, a second inner face sheet for forming an inner face, and a core sandwiched between the first outer face sheet and the second inner face sheet. The core is a corru... | 08/11/1998 |
| 5443891 | Low amplitude wave-board A low amplitude wave-board panel having improved bending strength and bending stiffness properties is provided. More specifically, the amplitude of the waves is substantially equal to, or less than half the thickness of said board. Preferably, the wave am... | 08/22/1995 |
| 5292571 | Drawer divider An improved drawer dividing device comprising a plurality of strips of resilient material fixedly joined at a plurality of locations to form a collapsible grating which can be expanded, as required, to provide a desired number of individually separate sto... | 03/08/1994 |
| 5192602 | Louvered filter and paint arrestor A filter is disclosed which employes two panels of single-faced corrugated paperboard cut into strips or runs, each strip or run glued in an overlaying fashion relative to the one juxtaposed thereto so that the longitudinal axis defined by each corrugatio... | 03/09/1993 |
| 4530197 | Thick core sandwich structures and method of fabrication thereof A thick metallic sandwich structure having improved strength properties is formed by superplastic forming and selective metallurgical bonding. The structure normally includes at least five sheets (including two face sheets and at least three core sheets),... | 07/23/1985 |
| 4339902 | Multiple layer thermal insulation device A thermal insulation device is described comprising a modular or block insulation composed of at least two layers of serpentine folded fibrous insulating blankets with the layers of blankets being secured by means of extended folds of the hot face layer b... | 07/20/1982 |
| 4275663 | Corrugated vehicle underframe A load carrying vehicle such as a truck trailer or a railroad car has a generally flat, horizontal loading surface which is supported by an underframe which in turn is mounted to and carried by wheel assemblies, kingpin-saddle plate arrangement and the li... | 06/30/1981 |
| 4186541 | High strength corrugated metal plate and method of fabricating same Corrugated steel plate is formed from a flat plate stock and has a length of at least about 12 feet, a corrugation pitch of at least about 12 inches, and a corrugation depth of at least four inches. The plate has thicknesses of up to 1/2 inch and more. Al... | 02/05/1980 |
| 4184480 | Vacuum window for solar transmission A conventional flat plate solar heat collector is provided with a contoured vacuum insulation window supported solely about its peripheral edge portions. The window is a composite formed from a pair of minimum thickness complementarily contoured glass she... | 01/22/1980 |
| 4120065 | Lightweight modular, truss-deck bridge system A modular bridge system constructed of parallel, side-by-side bridge modules constructed of components made from large pitch and depth corrugated plate. Each module has an upper chord plate, which ultimately defines the corresponding part of the bridge de... | 10/17/1978 |
| 4099359 | High strength corrugated metal plate and method of fabricating same Corrugated steel plate is formed from a flat plate stock and has a length of at least about 12 feet, a corrugation pitch of at least about 12 inches, and a corrugation depth of at least four inches. The plate has thicknesses of up to one-half inch and mor... | 07/11/1978 |
| 3992835 | Sinusoidal structural element Described herein are self-supporting structural elements formed of an integral sheet characterized by alternating elevations and depressions which sinusoidally vary about a flat or curved surface of neutrality, the element being suitable for use as a core... | 11/23/1976 |
