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 |
| 5900378 | Gas analysis of sealed ampules A method for obtaining a gas sample from a sealed glass ampule containing a liquid and a gas, wherein the steps are immersing the sealed glass ampule in water beneath a collection chamber which is also immersed in water, breaking the glass ampule to permi... | 05/04/1999 |
| 5837888 | Process for measuring vapor transmission through materials A process for measuring the vapor transmission rate characteristics of a test material by first measuring the vapor transmission through a test chamber and sample material and subsequently repeating the measurement with the test material adjacent the samp... | 11/17/1998 |
| 5822951 | Apparatus and method for sampling gas in product packages An automated gas sampling system for connection into an industrial packaging line, wherein packaged products are sealed in a product chamber. Apparatus as provided for obtaining a gas sample from inside the product package and for transferring the sample ... | 10/20/1998 |
| 5817924 | Method and apparatus for measuring oxygen transmission through contact lenses An apparatus for measuring the gas transmission rate through contact lens material, and a method of measuring, using a test cell having an upper and lower gas chamber and separating the upper and lower chamber with a layered group of films, including a co... | 10/06/1998 |
| 5602485 | Apparatus for screening capsules using velocity measurements A device for checking the weights of individual capsules in a stream of capsules by passing the stream of capsules past a capacitance sensor which measures the capacitance of each capsule as representative of the capsule weight, and passing the stream of ... | 02/11/1997 |
| 5591898 | Method for measuring material permeability characteristics A method for measuring the permeability of a gas through a material, wherein the steps include exposing the material to the gas to be measured and measuring the outgassing characteristics of the material over increments of time to develop exponential expr... | 01/07/1997 |
| 5513515 | Method for measuring permeability of a material A method for measuring the permeability of a gas through a material, wherein the steps include exposing the material to the gas to be measured and measuring the outgassing characteristics of the material over increments of time, to develop exponential exp... | 05/07/1996 |
| 5449912 | Measurement cell for water vapor sensor An absorption cell of the type used to measure gas concentrations by pressure fluctuations of the concentrated gas in an IR radiation field, wherein the IR radiation through the field is affected by the pressurized gas fluctuations to thereby provide an e... | 09/12/1995 |
| 5403464 | High permeability rate oxygen sensor An oxygen sensor constructed as a coulometric sensor and capable of detecting oxygen concentrations in the range of 1% or greater concentrations. The coulometric sensor utilizes a gas flow path which has a predetermined section constructed with oxygen-per... | 04/04/1995 |
| 5390539 | Device for measuring the permeability of a membrane to water vapor A system for measuring the permeability of membranes, particularly with reference to water vapor, utilizing a diffusion cell having a first water vapor chamber and a second gas flow chamber, the chambers being separated by the membrane to be tested. Gas f... | 02/21/1995 |
| 5337902 | Tablet sensor An apparatus for measuring the capacitance of tablets of varying shapes and sizes by conveying the tablets along a curved path which includes a zone of travel between the plates of a capacitive sensing device. The tablets are conveyed in a relatively fixe... | 08/16/1994 |
| 5308713 | Process for the reactivating sealed liquid electrolyte batteries A method for reactivating and recovering electrolyte cells by drilling a hole through the battery case and injecting a volume of electrolyte liquid into the case for absorption into the cell separator material. The battery is subjected to multiple charge/... | 05/03/1994 |
| 5265463 | Apparatus for measuring the transmission rate of volatile organic chemicals through a barrier material A system for measuring the transmission rate of volatile organic chemicals through a barrier material, where a barrier material sample is clamped in a test cell so as to form a chamber on both sides of the material, with a temperature-controlled test gas ... | 11/30/1993 |
| 5240118 | High-speed tablet sorting machine An apparatus for feeding tablets in an aligned and uniformly oriented sequence onto a tablet measuring device, including a movable turntable having a deflector for guiding the tablets to a circumferential edge, a guide member and plow assembly respectivel... | 08/31/1993 |
| 5225785 | Apparatus for sensing the thickness of a moving sheet of film A rotatable capacitance sensor preferably constructed of a generally cylindrical body mounted on bearings to a carriage assembly. The body has a number of parallel, spaced apart conductive plates having edges extending through the exterior body surface, a... | 07/06/1993 |
| 5223797 | Rotatable capacitance sensor A rotatable capacitance sensor for detecting film thickness of a moving film web, the rotatable sensor having a capacitive element arranged to contact the moving web film, the capacitive element electrically connected to projecting shaft ends of the rotat... | 06/29/1993 |
| 5212993 | Gas sampling system and method An apparatus and method for extracting and measuring a gas sample from a package. The apparatus includes a hollow needle for puncturing the package, a suction pump for withdrawing a gas sample, and an intermediate sensor and valve to receive and direct ga... | 05/25/1993 |
| 5212452 | Rotatable capacitance sensor A rotatable capacitance sensor preferably constructed of a generally cylindrical body mounted on bearings to a carriage assembly. The body has a number of parallel, spaced apart conductive plates having edges extending through the exterior body surface, a... | 05/18/1993 |
| 5206599 | Capacitance sensor for measuring thickness of blown film including a collapsing frame and a pair of linear motor assemblies A sensor system for measuring the thickness of blown film, by mounting a linear motor system on either side of a collapsing frame to permit the linear travel of a forcer element substantially across the width of the collapsing frame. A sensor is affixed t... | 04/27/1993 |
| 5202068 | Method and apparatus for controlling blown film thickness A process and apparatus for controlling the thickness of film made in a blown film machine having a rotating die, wherein a variable speed motor is used to control the haul-off speed of the film from the machine, by subdividing the die rotation into angul... | 04/13/1993 |
| 5184392 | Oxygen sensor A method apparatus for constructing an oxygen sensor in a layered construction including an anode element, a cathode element and an intermediate electrolyte-retentive insulator, wherein the layered anode element has a central flat metallic plate with two ... | 02/09/1993 |
| 5159829 | Device for measuring gas permeation A system for measuring gas permeability of membranes under precise temperature and humidity controls, by the use of a gas detector made from a single metallic block, wherein the gas flow passages are virtually entirely confined within the metallic block, ... | 11/03/1992 |
| 5139638 | Oxygen sensor A method apparatus for constructing an oxygen sensor in a layered construction including an anode element, a cathode element and an intermediate electrolyte-retentive insulator, wherein the layered anode element has a central flat metallic plate with two ... | 08/18/1992 |
| 5135113 | High-speed tablet sorting machine A device for sorting tablets by capacitive measurement, including a disk rotating between capacitor plates, a tablet fielding device for sequentially metering a series of tablets onto the disk, an arcuate guide assembly for guiding the tablets along a gui... | 08/04/1992 |
| 5107696 | Device for measuring gas permeation A system for measuring gas permeability of membranes under precise temperature and humidity controls, by the use of a gas detector made from a single metallic block, wherein the gas flow passages are virtually entirely confined within the metallic block, ... | 04/28/1992 |
| 5101166 | System for measuring thickness of high speed moving film An on-line capacitance sensing system, including a capacitance sensor, for measuring changes in thickness of a plastic film which passes over the sensor in contacting relationship; the sensor is mounted to a carriage which may be reciprocated transversely... | 03/31/1992 |
| 5081863 | Apparatus for measuring transmission of volatile substances through films An apparatus for measuring gas transmission through films and membranes comprises upper and lower staging sections with sample sites defined therebetween. The upper and lower staging sections communicate with sample sites of transmitted gas and carrier ga... | 01/21/1992 |
| 5053116 | Device for humidifying gases without changing oxygen content A device for humidifying gases without oxygen comprised of a gas conduit for passing the gases through the device to be humidified having a portion of the conduit being permeable to water but a barrier to electrolytes. The portion of the gas conduit is po... | 10/01/1991 |
| 5030918 | Portable gauge for measuring thickness variations of thin plastic film A capacitance gauge system is described for determining the thickness of thin-film non-conducting material (i.e. polyethylene, vinyl, etc.). An elongated capacitance sensing head is applied to one side of the material being measured thereby disturbing the... | 07/09/1991 |
| 4973395 | Humidified high sensitivity oxygen detector An oxygen detection device utilizing a water permeable humidifier and two galvanic cells connected in series gas flow connection, each of the galvanic cells having an anode and cathode; the respective cathodes being connected to a common connection betwee... | 11/27/1990 |
| 4952882 | Capacitance sensor assembly A capacitance sensor for measuring changes in thickness of a dielectric film, such as plastic film, passed through the sensor, having an upper and lower housing projecting from a back plate, the lower housing having an upper electrode surface and the uppe... | 08/28/1990 |
| 4947131 | Capacitance bar sensor A capacitance sensor for measuring thickness variations in film materials, having a sensor mounted in a housing plate slot, with an air gap between the sensor and the housing plate, the sensor being affixed to an insulator support plate, the insulator sup... | 08/07/1990 |
| 4852389 | System for controlled humidity tests A system for controlled humidity tests wherein gas transmission through a barrier may be measured, including apparatus for controllably mixing a dry gas and wet gas, for conveying the mixed gas to a test chamber or chambers for measurement of relative hum... | 08/01/1989 |
| 4176298 | Display panel apparatus and method of driving An apparatus and method for selectively voltage-energizing adjacent lines in a planar plasma display panel having a plurality of orthogonal gas-filled channels relative to said adjacent lines, and wherein a display is created by the selective gaseous igni... | 11/27/1979 |
| 4084213 | Portable keyboard/display terminal Apparatus for housing the electronic components, keyboard and display screen for a portable communications terminal wherein the terminal is completely self-contained, and the apparatus may be closed into a case for carrying and opened into a plurality of ... | 04/11/1978 |
| 4080597 | Gas display panel having planar conductors Apparatus for providing a visual information screen of the type formed from a plurality of gas cells wherein electrical voltages are capacitively coupled to selected cells to cause gas ignition and subsequent light emisson. The present invention comprises... | 03/21/1978 |
| 4063231 | Visual display apparatus Apparatus for providing a visual display screen of the type formed from a plurality of gas cells wherein electrical voltages are capacitively coupled to selected cells to cause gas ignition and subsequent light emission, and wherein a preselected and repe... | 12/13/1977 |