Abstract: A unique clip having a depending body portion with an inner set slit or slot thereby forming a tongue which may be displaced from the plane of the body portion and wherein the terminus may be one of a plurality of configurations and wherein the clip has a myriad of uses, including being used as a bookmark, memo holder, or a paper clip.

Abstract: A planar thermal radiator for use in outer space is disclosed. The radiator is adapted to rotate on two mutually perpendicular x and y axes which are in x and y planes respectively that are perpendicular to each other and to the planar surfaces of the radiator. It utilizes a plurality of pairs of heat sensors wherein each heat sensor provides a value of electrical resistance which is representative of the incident heat energy along the sensitive axis of that heat sensor. A common heat sensor pair detects incident heat energy which is perpendicular to the radiator. A first plurality of heat sensor pairs is used to detect incident heat energy along sensitive axes that are parallel to the x-plane and a second plurality of heat sensor pairs is used to detect incident heat energy along sensitive axes that are parallel to the y-plane. One sensor of each heat sensor pair is mounted on the opposite surface of the radiator. Each heat sensor pair has an associated heat sensor pair in its respective plurality.

Abstract: A method of determining the moisture content of a material in which the material is caused to flow continually through a sensor region, the spatially averaged temperature of the material being continually determined independently of the dynamic thermal response of the material. The loss and capacitance of the sensor is also continually determined, the moisture content of the material than being determined in response to the spatially averaged temperature and the loss and capacitance determinations independently of changes in the packing density of the material as it continually flows through the sensor region.

Abstract: A bookmark of molded plastic material is formed with a base having a retaining finger for clamping to a portion of the book. A retaining arm is integrally formed with the base and consists of a first horizontal section which extends along the width of the base, an intermediate section extending from the end of the first section at an angle toward the pages of the book, and a retaining vertical section extending from the end of the intermediate section and angled back toward the base and in the direction of the clamped portion of the book. The first and intermediate sections being in the same plane as the base.

Abstract: A weather vane and display includes a stop-member in two half sections for mounting at any desired position on a vertical post by clamping the two half sections together upon the post, a rotatable element in two half sections for mounting together about the post immediately above the stop-member, with the rotatable element being free to rotate about the post and upon the top edge of the stop member, with protruding studs from the rotatable elements providing brackets for mounting mannequins or display signs on either side of the rotatable element, whereby the displays or mannequins are rotated to a position in accordance with the prevailing direction of wind at a given time.

Abstract: A bookmarker for use with a book comprising a substantially flat rigid support structure having a first end and a second end. A retaining spring for marking a place in the book is secured to one end of the rigid support structure and comprising a generally horizontal section and a generally vertical section which extends into the book for placement against the pages of the book.

Abstract: A universal fuel sender where critical dimensions are determined at final assembly including a circular support rod carrying an adjustable rheostat bracket with the radius of a float arm assembly being selectable when attached to the rheostat.

Abstract: The device includes two separately movable indicators for conveying different messages, such as "service needed" or "check please." The device includes first and second actuator pins for moving the first and second indicators relative to a vertical housing, which is mounted on a tray support placed on a table.

Abstract: A system and method for obtaining a given preload on a spring for use in a device which requires a given spring setting or preload. A receptacle is provided for containing the spring and including at least one member positionally movable in response to the spring setting. First shims are placed between the receptacle and the spring for adjusting the spring setting outside the device while the positiion of the movable member is fixed at the given preload. Second shims are placed between the receptacle and a portion of the device for readjusting the spring setting inside the device at the given preload. An access opening through the device affords observation from outside the device of the position of the movable member inside the device to compare the readjustment with the first adjustment.

Abstract: An indicator for detecting whether the indicator has been inverted or tilted beyond a critical angle. The indicator includes a pair of reactants contained within two discrete reservoirs which are separated by a fluid passageway. When the indicator is tilted beyond the critical angle the reactants are contacted producing a reaction product having a color change. The indicator also provides a splash protector to prevent false positive reactions when the unit is agitated but has not been tilted. A first reactant is contained within a frangible ampule that can be broken when the indicator is activated for use. The color change is visible from the outside of the container.

Abstract: A method of and device for contactless measuring of temperature of an object independently of its emissivity in infrared and/or visible range, is based on finding, by means of Planck law of radiation a curve which is the sum of the radiance or radiant intensity of a radiator having temperature and emissivity of the object and the radiance or radiant intensity of a radiator having the temperature of environment, the latter radiation being reflected by the object with the reflectivity .rho.=1-.epsilon. where .epsilon. is the emissivity of the object. The actual temperature of the object is found from the curve which is most similar to the curve of at least two values of radiance or radiant intensity detected from the object, plotted against the wavelengths.

Abstract: A stable isothermal calorimeter wherein the material under study is contained in a thermally conductive reactor vessel which is surrounded by a heat transfer fluid. The material is maintained at the boiling point of the heat transfer fluid which is in turn cntrolled by controlling the pressure of the fluid's vapor space. The heat transfer fluid is vaporized by the heat released by exothermal reaction of the material under study and the vaporized fluid condensed in a condenser. The rate of liquid accumulation in the condenser is proportional to the energy release rate of the material.

Abstract: A foldable flag or display device includes a hollow handle, a flag or display sheet such as for advertising purposes, and a pole secured with the flag or display sheet pivotally mounted on the handle so that the pole can be folded into the hollow handle and the flag or display sheet is wound around the pole in the hollow handle for convenient storage or handling.

Abstract: A fuel level sender including a vertically reciprocal foam float that carries a slideable dual contact member biased by springs in the float toward a thick-film resistor plate.

Abstract: A probe for measuring the temperatures within a molten metal pool at various vertical levels within the pool is disclosed. The probe includes a plurality of vertically spaced thermocouples protruding from the surface of a refractory block. Also disclosed is a support mechanism for positioning and maintaining the temperature probe within the molten metal pool.

Abstract: A photoactivated time-temperature indicator is based on a leuco base system. A thermally insensitive, white ("inactive") leuco base (or a mixture of such leuco bases) is mixed, preferably in a polymeric matrix, with a material that generates acid upon exposure to light. Photoexcitation, preferably by UV or near UV light, causes the formation of a thermally sensitive, color-forming ("active") product. Following this activation step, a progressive color development occurs at a rate that increases with temperature. The indicator is useful for monitoring the freshness of perishable products, particularly those stored at subambient temperature.

Abstract: An inflatable marking device for marking a position comprising an inflatable balloon for receiving a lighter than air gas for inflating the balloon to cause the balloon to rise to mark a position. A line is secured at one end around the throat of the balloon and at the other end to a handle to maintain the balloon at the desired position. The handle is provided with a nipple for receiving the throat of the balloon, a spool around which the line is wound, and a shoulder to keep the line from overlapping onto the nipple when unwinding the line from the spool. One end of the handle is an opening for sealing around a gas cartridge when the cartridge is inserted therein, and a pin valve is positioned within the opening for engaging the cartridge to cause the gas to escape from the cartridge, through the nipple, and into the balloon.

Abstract: The present invention pertains to a warning apparatus with respect to a bicycle. The warning apparatus is comprised of a device for signaling that does not require the bicycle to be seen in order for a signal provided by the signaling device to be noticed. The signaling device is in juxtaposition with the bicycle. Additionally, the warning apparatus is comprised of a device for activating the signaling device. The activating device is in communication with the signaling device. In a preferred embodiment, the activating device includes a device for powering the signaling device and a device for actuating the powering device so the signaling device receives power to produce a signal.

Abstract: This conduit locator is designed to indicate the location of an end of a conduit after concrete is poured over the conduit. Primarily, it consists of an adhesive tape having a multiple number of spaced rods adhered so as to extend from an edge of the tape, and the tape is adhered to the open end of the conduit which may be plugged or covered with out interfering with the rods extending upward. The rods are of a springy plastic and protrude upward after the concrete is poured over the conduit enabling the end of the conduit to be located beneath the surface of the concrete.

Abstract: A burden distribution monitoring apparatus, according to the present invention, includes a hollow cylindrical sonde having an inner end radially movable within the internal space of a furnace, such as a shaft furnace. The sonde carries a burden layer depth sensor and/or a burden grain distribution sensor for radially shifting working ends of the sensors. With the foregoing construction, burden depth and/or grading of the burden can be monitored in a plurality of radial points in the furnace.