Abstract: A supplemental molding, which is an extruded polymer, snaps onto the conventional molding along the front edge of a display shelf, and holds enlarged shelf labels in an inclined disposition. It is particularly suited for shelves located close to the floor level, for the labels may be read easily without stooping.

Abstract: A projection system that is particularly suited for simulating aircraft flight includes a large dome and a projector and optical system that are located outside of the dome. The dome has a diffuse reflective surface that is presented inwardly. The projector produces a pattern of light which is redirected by the optical system such that it passes through an aperture in the dome, and is cast upon a wide area of the diffuse reflective surface as an image of a scene, particularly a scene that one might encounter from the cockpit of an aircraft. The optical system includes a concave mirror that is presented toward the aperture, a wide angle lens that is along the axis of the mirror, and a system of lens and folding mirrors for transmitting the light from the projector to the wide angle lens. The wide angle lens is located such that its pupil upon being reflected from the concave mirror reforms or comes into focus at the aperture in the dome.

Abstract: The races of tapered roller bearing, that is the cone and cup of such a bearing, are composite in construction, each including a sheet metal shell form and a core that is cast within the shell form for rigidifying it. Each shell form has spaced apart walls, one of which is tapered and forms a raceway and the other of which is cylindrical. In addition each shell form has an end wall at which the two spaced apart walls are joined. The walls define a cavity that opens out of the shell form at the end opposite from the end wall. The core is within the cavity where it is bonded to the sheet metal walls. While the metal of the shell form may be high alloy vacuum melt steel, the metal of the core may be less expensive. In the production of the races, the shell form serves as a mold for holding the molten core metal as that metal cools and solidifies.

Abstract: Independently operable lifting mechanisms are provided at the head and foot ends of the fixed lower base frame of an adjustable hospital bed in order to facilitate independent height adjustment of the head and foot ends of the bed's movable upper frame. The two lifting mechanisms are actuated by respective ones of two drive screws which may be rotated individually or simultaneously and in either direction to position the upper frame at any desired height and at any selected tilt angle. In other words, by turning only one of the drive screws one end of the upper frame is elevated or lowered and the tilt angle will be changed. By rotating both of the drive screws at the same time the upper frame will be raised or lowered at a constant tilt angle. This flexibility enhances the medical treatment that a hospital patient may receive.

Abstract: The cage of a tapered roller bearing has large and small end rings that extend respectively along the large and small end faces of the tapered rollers and in addition bridges that connect the end rings and maintain the proper spacing between the rollers. Each bridge includes a web that projects radially inwardly toward the bearing cone. One end of each web merges with the small end ring, while the other end forms a corner located inwardly from the large end ring. Indeed, the corner is located opposite to the thrust rib of the bearing cone. Each web in turn is provided with a groove that extends its full length, with the end located at the small end ring being closer to the axis of rotation than the end that is at the corner. During operation of the bearing, a liquid lubricant is directed into the space between the small end ring and the bearing cone.

Abstract: A one-way explosive transfer assembly embodying a body formed with an interior chamber containing an explosive shock transfer body formed with shock wave attenuating passage means shaped to transfer heat and to control the explosive shock when traveling in one direction toward an explosive train and to check explosive shock if generated to travel in an opposite direction. The assembly includes an input shielded mild detonating cord means for conveying the triggering impulse to the explosive train and for transferring the effect of the explosive train to an output shielded mild detonating cord.

Abstract: This disclosure concerns a process for increasing the etch rate of an aluminum and aluminum alloy chem-milling composition while increasing the tank life of the composition by adding sodium nitrate to a composition containing sodium hydroxide as the principal active ingredient.

Abstract: A process of drying an intact whole grape having substantially the same configuration as the fresh grape is described. The dried grape has a moisture content (wet basis) of below about 10% and varies from crisp to chewy depending on the time and temperature of drying. The critical step in the process is drying in a vacuum chamber. Preferably the heating medium is microwave energy applied to the grapes in the vacuum chamber.

Abstract: Apparatus for aligning vehicle front and rear wheels and a method of applying such apparatus in which projectors of light beams on the front wheels direct beams forwardly to a cooperating alignment stand and direct beams rearwardly to cooperate with devices on the rear wheels which include scales and reflective surfaces used in aligning the front wheels and determining the positions of the rear wheels relative to the vehicle longitudinal axis or geometric center line. The projectors on the front wheels support screens in positions to cooperate with the light beams when reflected back from the stand and from the rear wheels.

Abstract: This application covers a method of treating grain and packaged foodstuffs with microwave energy under vacuum to kill insects, larvae, and eggs without raising the temperature of the product being treated to an extremely high level.

Abstract: This disclosure concerns a process for treating phospho-gypsum waste product from the wet process method of making phosphoric acid including the steps of water washing the phospho-gypsum to remove all but an acceptable level of fluorine before the phospho-gypsum is calcined. The process allows the use of high sulfur coal for the production of steam if desired for use in the overall process. The process also allows for production of SO.sub.3 from part of the phospho-gypsum in an electric furnace to enrich the SO.sub.2 stream for making sulfuric acid.

Abstract: A drawn and ironed can body has a cylindrical side wall and an integral end wall which closes one end of the side wall. The end wall includes a rim that generally curves inwardly from the side wall and a domed central section which closes the area circumscribed by the rim, all such that the rim forms the lowest portion of the can body. The rim is configured such that when the can body is subjected to elevated internal pressures, the rim deforms in a controlled manner, and this deformation causes the domed wall to move axially away from the opposite end of the can body without buckling, thereby increasing the volume of the can body.

Abstract: A diffraction grating is formed by depositing a glass film on a substrate and thereafter applying to the glass film a layer that is highly absorptive to radiation of a specific wavelength. The highly absorptive layer is then coated with a photoresist that is transparent and photosensitive to light of the specific wavelength. Next the photoresist layer is exposed with a holographic image of a desired grating pattern, and the exposed areas are carried away in a developing solution, leaving the photoresist with a grating pattern consisting of a series of closely spaced ridges separated by voids. During the exposure of the photoresist, the absorbing layer absorbs most of the radiation that penetrates the photoresist and thereby prevents that radiation from reflecting from the glass layer or the substrate and creating a pronounced standing wave pattern. A wave pattern of that nature would expose the photoresist in undesired areas, resulting in weakened ridges during the subsequent development.

Abstract: An elastomeric seal lip contacts a cylindrical wear surface along a sealing edge formed by the convergence of two conical surfaces on the seal lip, and accordingly a region behind the seal lip is isolated. On the conical surface that is presented away from the isolated region, the seal lip is provided with embossments that project toward, but normally do not contact the wear surface. However, when the seal lip is distorted by an increase in pressure within the isolated region, the embossments contact the wear surface and serve as fulcrums, enabling the entire lip to pivot sufficiently to lift the sealing edge away from the wear surface. This vents the isolated region and allows the seal lip to return to its normal configuration. The embossments may also function as elastohydrodynamic pumping elements.

Abstract: To enable a single row tapered roller bearing to receive adequate lubrication at critical surface areas while operating at moderate to high speeds, the thrust rib on the cone of the bearing is fitted with a lubricating ring that in combination with the rib forms an inwardly opening trough and a plurality of channels that lead from the trough and over the thrust rib so that the ends of the channels open toward the large diameter ends of the tapered rollers. Alternatively, the lubricating ring may be the thrust rib, with the channels extending beneath it and opening toward the large diameter ends of the rollers. A lubricating oil is introduced into the trough, and the centrifugal forces that are exerted on this oil through rotation of the cone causes the oil to flow through the channels and discharge against the large end faces of the rollers.

Abstract: Independently operable lifting mechanisms are provided at the head and foot ends of the fixed lower base frame of an adjustable hospital bed in order to facilitate independent height adjustment of the head and foot ends of the bed's movable upper frame. The lifting mechanisms are actuated by respective drive screws which may be rotated individually or simultaneously and in either direction to position the upper frame at any desired height and at any selected tilt angle. By turning only one drive screw, one end of the upper frame is elevated or lowered and the tilt angle will be changed. By rotating both drive screws simultaneously, the upper frame will be raised or lowered at a constant tilt angle. A manual control system provides for selective manual engagement of the lifting mechanisms and automatic disengagement thereof. When engaged, the lifting mechanisms may be manually actuated.

Abstract: A container filling device having an arrangement of liquid and gas flow control valves in a common body that separates the flow of the liquid and gas without need for seals, and incorporating in the filling device a valve element in a cage supported from a gas flow vent tube, whereby turbulence is minimized and filling is speeded up.

Abstract: Beer brewed from malted barley and having a rice adjunct can be produced at higher gravity cold wort concentrations without excessive viscosity build-up by using low gel point rice.

Abstract: A non-crystallizing starch conversion syrup which is rich in fructose and a method of treating a syrup derived from corn or other starch to increase the fructose content of the syrup. The method involves the molecular separation of fructose from dextrose by treating a fructose-dextrose feed syrup. The first component stripped out by the separation process is a dextrose rich component containing most of the higher molecular weight sugars, and thereafter an enriched fraction is recovered which consists mostly of fructose, a lesser amount of dextrose, and only a trace of other sugars.

Abstract: A live roller conveyor in which the conveyor path defined by a plurality of rollers is provided with roller drive means normally continually driving all of the rollers for conveying articles, and in which one or more article sensing rollers normally slightly raised above the conveyor path are depressed by articles propelled over the same and when depressed beyond a predetermined time interval serve to operate a combined brake and roller elevating means for arresting the article propelling drive of a group of rollers located upstream from the location of the depressed sensing roller and elevating the arrested group of rollers off of the roller drive means to reduce the drag on the drive means.