Abstract: A dual nozzle hydro-demolition system is mounted on a robot vehicle having a tower, with the robot vehicle and tower permitting the device to be positioned in any desired location on a vertical wall surface. The robot vehicle includes a plurality of tires and a motive power system allowing it to be moved to a desired location. Bearing pads are mounted on jacks allowing the tires of the robot vehicle to be elevated slightly off the ground to preclude undesired movements. A carriage is slidably mounted on a beam and carries dual nozzles, each of which is connected to a supply of high pressure water via a heavy duty hose. The nozzles are rotated using a hydraulic motor. A coupling is provided within the flow circuit from the source of water to the nozzle allowing a conduit adjacent the nozzle to rotate with respect to a conduit receiving water from the source thereof, so that each nozzle can be rotated without any water leakage.

Abstract: A ceramic armor is disclosed in several embodiments. In a first embodiment, a metal base plate has a metal frame assembled on it having a central opening into which the ceramic material is placed. A cover plate is placed over the frame to enclose the ceramic material on all sides. In a second embodiment, the frame has an open central area that has two crossing walls that define four sub-chambers. Four pieces of ceramic material are placed in the respective sub-chambers and a covering plate is placed over it. In a further embodiment, the frame has a plurality of cavities mechanically formed in it. A ceramic tile or plate is placed in each cavity and a cover plate is placed over the frame. The metal used to encapsulate the ceramic material may, if desired, comprise a Titanium alloy such as Ti-6Al-4V, and the ceramic material may comprise Silicon Carbide, Boron Carbide, Tungsten Carbide, Titanium Diboride or Aluminum Nitride.

Abstract: A ceramic armor is disclosed in several embodiments. In a first embodiment, a metal base plate has a metal frame assembled on it having a central opening into which the ceramic material and stiffening plate are placed. A cover plate is placed over the frame to enclose the ceramic material on all sides. In a second embodiment, the frame has an open central area that has two crossing walls that define four sub-chambers. Four sets of ceramic material and stiffening plate are placed in the respective sub-chambers and a covering plate is placed over them. In a further embodiment, the frame has a plurality of cavities mechanically formed in it. A stiffening plate and a ceramic tile or plate are placed in each cavity and a cover plate is placed over the frame. The metal used to encapsulate the ceramic material may, if desired, comprise a Titanium alloy such as Ti-6Al-4V, and the ceramic material may comprise Silicon Carbide, Boron Carbide, Tungsten Carbide, Titanium Diboride, Aluminum Oxide or Aluminum Nitride.

Abstract: A patterned mask is located at a distance from a linear detector array. A point radiating source illuminates the aperture to cast an image onto the array. A computer is employed to identify frequencies in the frequency domain to determine the image scale and shift along the detector array axis. Determination of the magnification of the aperture image is made employing frequency domain techniques, the aperture pattern being re-scaled to match that of the actual image, so that determination of pattern shift can be made. A first embodiment of the present invention has two variations, one of which employs the use of multiple single frequency components and phase methodology, the second of which uses multiple single frequency components as well as a variable frequency component. In a second embodiment, a composite image is also used except that only one single frequency component is used in addition to a non-periodic function.

Abstract: A flag holder designed to reduce the fraying of the trailing edge of a flag supports a flag with an upper fitting and a lower fitting. The upper fitting may be fixed with respect to the flagpole or, if desired, may rotate with respect to the flagpole. However, the upper fitting may not reciprocate with respect to the flag holder. The lower fitting may freely reciprocate with respect to the flagpole and, if desired, may be rotatable with respect to the flagpole. As soon as wind conditions exceed a desired threshold, the lower fitting begins to rise up the flagpole, moved by flexing of the flag, until it arrives at the location of the upper fitting, causing the body of the flag to assume an elongated generally U-shaped configuration which drastically reduces the snapping effect that would otherwise cause fraying of the downstream edge of the flag. As soon as wind conditions reduce, the lower fitting automatically lowers, causing the flag to be fully opened again.

Abstract: The present invention relates to an article having an integrated contact surface, such as a melting vessel, and compositions for forming the article. The composition for forming the articles, such as melting vessels, includes from about 25% to about 99% binder material including clay and zirconia or a blend of alumina and zirconia. The composition also includes from about 1% to about 75% by weight of a filler material. The surface of the an article formed from the composition, such as a melting vessel, essentially is comprised of the binder material. The body of the melting vessel includes a blend of binder material and filler material. The present invention also relates to a process for making an article, such as a melting vessel from the composition.

Abstract: A multiplexor is designed to receive data from a plurality of data sources. As the multiplexor receives data from data sources, its programmable logic device codes each stream of data with a header and a footer and a data stream segment between them having a prescribed number of characters. A message from any particular data source may be coded into a plurality of separate data stream segments. The multiplexor sequences to the next data source when a data stream having the prescribed number of bytes has been captured and returns to that data source only after data streams of the same prescribed number of characters have been captured from the other data sources in a sequential manner. Data so coded is forwarded to a storage device that may store the data on any suitable storage medium for later retrieval.

Abstract: A transmitter consists of a plurality of magnetic transmitters, each of which is substantially planar and made of a spiral shaped conductor. The result is a transmitter having a substantially uniform cross-sectional current density along the radial direction of the spiral from the center to the periphery. Near the plane of a given spiral, magnetic vectors produced by such a conductor arrangement have improved angular characteristics as compared to prior art systems. This results in a larger region with useful vector crossing angles and operation of the system is enhanced as compared to prior art techniques. The transmitters produce magnetic fields which have a monotonically increasing intensity as one approaches the center of the transmitter spiral from any given direction. This feature simplifies and increases the accuracy of sensor position determination.

Abstract: An improved infusion package serves both for the storage of an infusion bag prior to use and for the reception and secure retention of both the infusion bag and surplus infusion liquid after use. The infusion package is of the kind having an infusion bag housed within a container formed from folded panels of flat sheet material, the container including first and second panels joined at respective opposite parallel edges and held in an outwardly bowed convex or pillow shape by overlapping margins that are folded about concave lines extending between the parallel edges, one of said opposed panels having an opening and a third panel located relatively to the one panel by a hinge and closing the opening.

Abstract: A quick-release lockable long gun case encloses the breech, trigger guard and trigger of a long gun allowing the barrel and stock to protrude through oppositely disposed openings. A keypad may be preprogrammed with a combination that must be entered to allow access to the long gun. A key operated override mechanism is also provided. An internal chamber contains a removable insert having the outer configuration conforming to the breech, trigger guard and trigger of the long gun. The lid is hinged to the body with a spring biasing the lid in the direction of opening. The latch mechanism includes a strike attached to the lid of the long gun case and a latch mounted within the body of the long gun case. The latch is pivotable and has upper and lower structures that are balanced about the pivot point thereof.

Abstract: The method of the present invention is intended to be used in association with a headed fastener such as a tee nut, but not limited to a tee nut. The present method contemplates embodiments of a riveting pin having protuberances that cause the flared end of the shaft to be flared in one or more discontinuous portions of the circumference of the shaft, whereby “push out” and “spin-out” are deterred. Where the length of the fastener shaft is no longer than the thickness of the material through which it is inserted, a first design of flaring pin is provided. Where the length of the shaft of the fastener employed is greater than the thickness of the material through which it extends, a second embodiment of flaring pin is employed. In the former case, at least one discrete portion of the circumference of the shaft is flared into the wall of the passageway through which the shaft extends.

Abstract: In a first embodiment, a single linear array of bi-cell optical detectors is arranged with each bi-cell optical detector having a rectangular aperture located a prescribed distance above the surface of the bi-cell optical detector. In the first embodiment, in calculating the position of a point source emitter, it is understood that each detector receives light from the point source emitter at a unique angle different from the angles at which the other detectors receive light from the point source emitter. A plot of detector ratios is made by taking the best fit line through the ratios from each detector and the location of the point where the detector ratio is zero yields the point of perpendicularity between the emitter and the linear detector array. Another embodiment contemplates a three dimensional detector having three linear arrays of bi-cell detectors arranged at the periphery of a measuring space mutually orthogonal to one another.

Abstract: A process for restoring magnetic recording tape damaged by “Sticky Shed” syndrome cleans magnetic tapes of the Backcoating which is causing their eventual degradation and destruction. The Backcoating is first removed in a multi-step process. A liquid cleaner, such as isopropyl alcohol, is applied to the Backcoating to dissolve it from and clean it off the Mylar Base. Before the liquid cleaner is applied, steps are taken to prevent the cleaner fluid from getting onto the Oxide side of the tape. The chemical cleaning is done as quickly as possible. The second step is to dry clean the Base surface of the tape to remove the remaining solvent and the debris of any remaining Backcoating. Then, the Oxide side of the tape is given a dry, non-chemical cleaning to remove the residue of contamination of the Backcoating which was deposited on the Oxide side of the tape as the result of physical contact with the Backcoating from the storage on the reel of tape.

Abstract: A transmitter assembly includes a sandwich made up of a three axis transmitter, driven by a transmitter driver, mounted on a permeable attenuator with a spacer interposed between the transmitter and the attenuator. The attenuator is mounted on top of a conductive plate. A compensation coil is provided and driven by a compensation coil driver that energizes the compensation coil to optimize compensation for magnetic field edge effects. A number of individual compensation coils may be arranged about the periphery of the conductive plate or permeable attenuator. The individual compensation coils in the modification may be activated in tandem or individually to compensate for non-uniform magnetic edge fields caused by he non-symmetrical configuration of, for example, three transmitter coils or, for example, a square permeable attenuator rather than a circular permeable attenuator.

Abstract: Embodiments of aperiodic tiling of a single asymmetrical diffusive base shape employ welled or stepped one-dimensional or two-dimensional diffusors, a single or compound curved surface, or an aperiodic geometrical form. Surfaces are tiled in any orientation offering an unlimited number of tiling patterns. In the preferred embodiments of the present invention, a smooth transition between adjacent “tiles” is achieved. Using a single tileable asymmetric base shape reduces the number of shapes requiring manufacture while allowing modulation. The present invention even contemplates extending the inventive techniques into three-dimensional shapes to form volume diffusors. The technique employed to design diffusors to be used in accordance with the teachings of the present invention may rely upon visual appearance, a random sequence, a number theory sequence, or use of an optimization program.