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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 |
| 5256428 | Puncture resistant, heat-shrinkable films containing very low density polyethylene Heat-shrinkable films suitable for packaging food articles such as frozen poultry, primal meat cuts, and processed meat products. In one embodiment, the film may be a biaxially stretched monolayer film of a very low density polyethylene copolymer. In anot... | 10/26/1993 |
| 4574622 | Viscometer A viscometer having the ability of automatically periodically determining the viscosity of liquids having periodic gassing and/or foaming phases comprises pressures taps located on the lower side of a nonvertical portion of a conduit through which the sam... | 03/11/1986 |
| 4551884 | Method and apparatus for use in automatically and continuously making sausages with flat ends Method and apparatus for automatically and continuously producing encased food product having a uniform diameter and flat ends.... | 11/12/1985 |
| 4281828 | Plastic bag handling system A system for handling and transferring plastic bags between folding stations including control means for monitoring the folding accuracy and alignment of each bag while advancing along a predetermined path and means responsive to the control means for div... | 08/04/1981 |
| 4273550 | Method for producing a flat bottom plastic bag A flat-bottom bag is produced from a heat sealable tubular material having gusseted sides by clamping front and back walls in a central longitudinal region, flaring the gussets outward to about 180° to provide a corner gusset tuck and refolding the gusse... | 06/16/1981 |
| 4194892 | Rapid pressure swing adsorption process with high enrichment factor A rapid adiabatic pressure swing process with a total cycle time of less than 30 seconds, at least 8 psig feed gas is introduced to a single adsorbent bed of 20-120 mesh particles and bed length not exceeding three times the feed-reverse flow pressure dif... | 03/25/1980 |
| 4194891 | Multiple bed rapid pressure swing adsorption for oxygen A rapid adiabatic pressure swing adsorption system for oxygen production using two or three beds of crystalline zeolite molecular sieve.... | 03/25/1980 |
| 4193854 | Heavy metal removal from wastewater sludge Insoluble heavy metal sulfides in activated sludge are converted by biochemical oxidation to soluble sulfates, followed by deposition of metals on cathode from sludge as electrolytic bath.... | 03/18/1980 |
| 4154294 | Enhanced condensation heat transfer device and method A metal substrate is provided with a single layer of randomly distributed metal bodies bonded to the substrate, spaced from each other and substantially surrounded by the substrate to form active condensation heat transfer surface and body void space.... | 05/15/1979 |
| 4154293 | Enhanced tube inner surface heat transfer device and method An inner surface substrate of metal tubes is provided with a single layer of randomly distributed metal bodies bonded to the substrate, spaced from each other, and substantially surrounded by the substrate to form body void space.... | 05/15/1979 |
| 4024623 | Manufacture of isostress contoured dies Method for making isostress contoured dies by providing a cavity containing multiple vertical supports. A flexible material is tensionally secured across the top of the cavity to contact the supports and pneumatically deformed to assume an isostress conto... | 05/24/1977 |
