Abstract: A flexible, modular gage system is presented for statistical process control to compare the delta dimensional difference between a master part with known dimensional values to one or more manufactured production parts. A main feature of the invention is the gage that holds measurement devices, such as a transducer probe. The components of the modular auto gage allow position of analog, digital or mechanical measurement devices in virtually any position, being limited only by the part-holding device or interference with other measurement devices. Measurement devices once positioned can remain stationary or attached to a precision pneumatic slide. The pneumatic slide retracts the measurement device to allow easy loading and unloading of the part to be gaged.

Abstract: An exercising apparatus for full body exercise has a base member adapted to rest upon a floor and a support frame extending upwardly therefrom. The support frame has a pair of foot pedals pivotally attached thereto about midway of each foot pedal. A cross member attached to the upper end of the support frame has a pair of independently articulated pivotal arm handles rotatably attached to the cross-member. A pair of adjustable compressed spring tension devices are attached between each foot pedal and the upper cross member. A pair of actuating rods are pivotally attached respectively between each foot pedal and each arm handle, so that movement of either the arm handle or the foot pedal actuates the other member. Each of the two foot pedal-arm handle combinations is independently actuated, and not dependent on the other for movement.

Abstract: A device for sampling gas vapor underground has a probe tip designed to be driven into the ground. The probe tip has a removable sheath that covers a tube having an enlarged conical tip with the tube having multiplicity of apertures in the tube to gather soil gas vapors through the apertures and conduct them through a flexible plastic tube attached to the probe up to the surface of the ground to be monitored. The probe has a flexible disc attached thereto above the apertures to protect the apertures from being filled with earth from above. The apertures also have a screen around them to prevent earth from entering the apertures to plug them. After the probe is in place in the earth, the removable sheath is pulled above ground, leaving the probe to gather gas samples for collection and evaluation at a collection point above ground.

Abstract: An adjustable bench exercising and rehabilitation apparatus has a bench pivotally attached near one end to a support structure resting on a horizontal surface. The bench has a hoisting device attached near its other end and secured to its support structure for raising and lowering the bench about its pivot point. The hoisting device is actuated by a control panel accessible to the user while reclining on the bench. At the upper end of the bench, the bench has an adjustable ankle retaining bolster to hold the user on the bench as it inclines. The upper end of the bench has an adjustable knee support device which can support its user's knees at a 135.degree. or a 90.degree. angle while on the bench.

Abstract: A device for sealing damaged, leaking walls of containers or tubes comprises an inflatable sealing cushion which covers the site of the leak. Said cushion has a flexible counter plate 20 provided, on opposite edge regions, with fastening elements slots 24 for a clamping device surrounding the container or the tube, and an inflatable inner space 30 on the side of the flexible counter plate facing the leak and assembled with said counter plate, said space 30 being accessible from the outside through a nipple 34 and limited by at least one wall 38 and/or 40 made of a rubber-like reinforced material. The inner space 30 is annular and delimits, together with the flexible counter plate 20, a cavity 36 enclosing the leak. A passage 26 connects the inner space 30 of this cavity 36 with the outside of the sealing cushion.

Abstract: An assay employing a tracer comprising a ligand having a mercury label wherein mercury label is released from at least one of a bound or free tracer phase and interacts with a metal. Analyte is determined by a change in at least one property of the metal caused by such interaction. The invention also relates to a device for such an assay wherein mercury ions released from a free or bound tracer are caused to eventually amalgamate with a metal, and the presence and/or amount of analyte is determined by changes in the metal resulting from the eventual amalgamation which may be measured electrically or by other means. The invention also relates to novel assay instruments, novel lancets, assay sensors, assay sensor packets, instrumentation and combinations of assay components, and related methods.

Abstract: A process for treating Artemia brine shrimp cysts, which are deemed unhatchable, by the following steps: rehydrating the cysts in clear water until they are approximately double their weight; mechanically rupturing the rehydrated cysts without destroying the internal embryo content of the cysts; centrifuging the resulting slurry to extract the content of the cysts from fragmented casings; and processing the slurry to stabilize the contained nutritional values thereof.

Abstract: A protective door device for anti-aircraft installations and nuclear power stations has a door opening in a wall preferably designed as a concrete wall. The opening is surrounded on all sides by the wall and can be closed by means of a protective door which overlaps the wall. The protective door has a central lock and a bowl-shaped metal door leaf reinforced by ribs, from which one-piece support arms project. Two bearing bolts on which two door hinges are mounted are inserted in the wall near the door opening and pockets for adjustable engagement of lock bails of the central lock are arranged in the intrados of the door opening.

Abstract: An apparatus for testing hardness under load has a measuring sensor in the form of a manual apparatus in which a mobile rod-shaped resonator can be slidingly inserted. The free end of the resonator, situated outside the housing, has a measuring tip. The resonator is held against the housing of the measuring sensor by a spring and is linked to ultrasonic converters connected to an electronic generator and to a receiving circuit which records changes in the duration or frequency of the vibrations of the generator. A basic apparatus comprises a display unit and is connected by a connecting line to the measuring sensor. A memory for storing individual parameters of the rod-shaped resonator and the electronic generator is arranged in the housing of the measuring sensor. The basic apparatus is detachably connected by insertion to the measuring sensor.

Abstract: The invention pertains to a hoisting cushion with two reinforced walls that are manufactured of rubber or of a rubber-like material. The walls of the press (a) are linked around the full extent of the edges and define an hermetically sealed inner space that is accessible via a nipple, and (b) reveal on their external surface a fairing which is sited outside of the reinforcing.

Abstract: The invention discloses the processes and materials for treating materials to minimize the deposition of proteins and other molecules, and for removing proteins and other molecules from materials. New copolymers containing polyethylene oxide sidechains called supersurfactants have the ability to bind themselves to interfaces to provide a stable protein-resistant interface. A process is presented to treat and modify interfaces with the new copolymers.

Abstract: An improved short ski climber that is located in the center of the ski without requiring the owner of the ski to install any kind of permanent hardware on the ski either in front of or behind the climber to which the climber itself is traditionally attached. The skier, therefor, does not have to drill holes or insert screws or similar devices into the finish of the skis.This ski climber is much smaller and lighter than the traditional types of short climbers described, and can be attached or removed from a ski in much less time. This is a major factor in racing and in extended treks over days or weeks when a climber may be attached or removed from skis dozens of times in a day depending on conditions.

Abstract: An assay employing a tracer comprising a ligand having a mercury label wherein mercury label is released from at least one of a bound or free tracer phase and interacts with a metal. Analyte is determined by a change in at least one property of the metal caused by such interaction. The invention also relates to a device for such an assay wherein mercury ions released from a free or bound tracer are caused to eventually amalgamate with a metal, and the presence and/or amount of analyte is determined by changes in the metal resulting from the eventual amalgamation which may be measured electrically or by other means. The invention also relates to novel assay instruments, novel lancets, assay sensors, assay sensor packets, instrumentation and combinations of assay components, and related methods.

Abstract: A door which is magnetically shielded and RF-shielded is disclosed for use with magnetically and RF-shielded room enclosures in which the door is slidably disposed within the space between the outer and inner enclosure of a shielded room, the door being actuated by pneumatic cylinders situated within the door which pressurize the door so that the door makes contact, and a tight seal, with the inner and outer enclosure walls.

Abstract: Apparatus and methods for continuous sedimentation-type separation of solids from liquids of a feed slurry in a thickener-clarifier-type tank operated by overflow removal of clarified liquid and underflow removal of a concentrated underflow slurry by using a flocculant in a zone of intense mechanical agitation provided by a rotatable impeller rotated at tip speeds of between approximately 300 to 600 feet per minute to produce relatively small, bead-like floccules directly above the concentrated underflow slurry.

Abstract: An assay employing a tracer comprising a ligand having a mercury label wherein mercury label is released from at least one of a bound or free tracer phase and iunteracts with a metal. Analyte is determined by a change in at least one property of the metal caused by such interaction. The invention also relates to a device for such an assay wherein mercury ions released from a free or bound tracer are caused to eventually amalgamate with a metal, and the presence and/or amount of analyte is determined by changes in the metal resulting from the eventual amalgamation which may be measured electrically or by other means. The invention also relates to novel assay instruments, novel lancets, assay sensors, assay sensor packets, instrumentation and combinations of assay components, and related methods.

Abstract: A combination arm and leg exercising apparatus has a base member adapted to rest upon a floor and a support frame extending upwardly therefrom. The support frame has a pair of foot pedals pivotally attached thereto at one respective end of each foot pedal. A cross member attached to the upper end of the support frame has a pair of independently articulated pivotal arm handles rotatably attached to the cross-member. A pair of adjustable compressed spring tension devices are attached respectively between each foot pedal and the upper cross member. A pair of actuating rods are pivotally attached respectively between each foot pedal and each arm handle, so that movement of either the arm handle or the foot pedal actuates the other member. Each of the two foot pedal--arm handle combinations is independently actuated, and not dependent on the other for movement.

Abstract: A self-contained room capable of shielding the interior environment from magnetic and radio frequency interferences, as well as other wave and vibrational disturbances, comprised of an outer enclosure and an inner enclosure, raised above an existing floor by a fiberglass dowel system. The walls of both enclosures are made of mumetel sheets, pressure sealed to protect against ambient and man-made interferences, with an underlying aluminum structural frame. All seams and penetrations are shielded against wave interferences of natural or man-made origin.

Abstract: The passive liquid-crystal flat screen which can be projected onto a screen has a flat screen (50) to which an electronic control unit (52) is attached and two polarization filters (36, 38) both of which are located in the light path (arrow 54), the one in front of, and the other behind, the flat screen (50). Both the polarization filters (36, 38) are positioned at such a distance from the flat screen (50) that between the flat screen (50) and each of the polarization filters (36, 38) there is formed an air tunnel or canal in which a current of air flows which impinges on the inner surfaces of the polarization filters (36, 38) and the flat screen (50) and cools these components.