Abstract: A device used, when a color printing block is produced from a color photographic film in accordance with color scanner technique, for compensating a difference in color density between photograph and print and arranged to measure accumulative density distribution of a color signal picked up from the photographic film, just before and after effecting tone control operation as monitoring an optimum tone-controlled color image, and, then, arithmetically process the measured data to obtain the amount of correction to be effected at each density, which is displayed on a cathode ray rube in a form of correction curve and/or printed on a paper in a form of table.

Abstract: A lighting fixture and lamp mount therefor for use with lamps having prong-type connectors projecting from the back or side of the lamps which includes a lamp housing, a socket carried by the housing and a lamp carrier, the lamp carrier having a threaded connector connected to the lamp so that the lamp and lamp carrier can be screwed into the socket to energize the lamp and can be readily removed for lamp replacement.

Abstract: A leveling attachment for a power tool having an inverted V-shaped block attached to the power tool by an adjustable flexible strap secured to the V-shaped block. The V-shaped block further includes a bifurcated member extending upwardly therefrom having an opening extending therethrough to receive a bolt to which the ends of the strap are affixed and a level having a bracket extending therefrom, the bracket being retained by said bifurcated member and having a central bolt receiving opening so that the level can be fixed in any selected position by tightening the bolt.

Abstract: A mist generator which includes a frusto-conical housing having a base forming a reservoir and a narrowed outlet opening, a mist generator within said housing and extending upwardly from said base, said generator discharging said mist in the space within said housing and surrounding the generator whereby said mist emerges from the housing through the narrowed outlet opening. The housing may further include ribs on the inner surface thereof, a gas chamber for receiving compressed gas and then feeding it to the mist generator and at least one opening for feeding liquid to the reservoir while the mist is being produced.

Abstract: A strain gage load cell having a body of material formed with a reduced section which is subjected to shear stresses when a load is applied to the body in a manner to deform the reduced section, a strain gage receiving opening formed in the reduced section so that deformation of the latter will deform at least part of the opening and cause it to assume an ovular configuration and at least one strain gage secured to the wall of the deformable portion of the opening and preferably aligned with one of the axes of the deformed portion of the opening.

Abstract: A relative density calculation system, principally and preferably used with a color scanner, for detecting a surrounding frame of a photographic transparency to be scanned to produce signal information for application to the color scanner to be utilized in density correction process to remove the density error caused by the presence of the surrounding frame, the frame detection being effected by scanning the transparency with an infrared-ray beam which can pass the deepest colored portion of the transparency but not the surrounding frame material.

Abstract: A device for measuring components of force and moment along and about three orthogonal axes, composed generally of a central hub portion, an annular rim portion and four radial spoke portions connecting the hub and rim portions and having strain gages adhered thereon for producing electric signals indicative of strains appearing therein, and typically used in a tire tester, wind tunnel balance and the like by fixing either the hub or rim portion and applying a force to the other, the improvement of which is its relatively simple structure and exclusion of mutual interference of the respective components in measurement.

Abstract: An improved dental polishing tool, which is attached to a rotating mandrel and used for polishing a tooth or teeth, and which is soft and resilient and can polish the tooth or teeth readily and safely without injuring gingiva and mucous membrane.

Abstract: A novel and improved system is provided for detecting the apical constriction in the root canal of a tooth, in which the root canal, from which the dental pulp has been removed, is filled with electrolyte solution, a first electrode is put in contact with the mucous membrane in the oral cavity, a second electrode is put in the root canal, a fixed voltage or current is applied between the first and second electrodes, and a third electrode having an insulating coating except for the tip thereof is inserted into the root canal to detect sudden change in the potential along the root canal, and this change is visually and/or audibly indicated to indicate the apical constriction.

Abstract: A combination weighing machine, which is generally used for packing a plurality of articles in individual bags or the like so that the total weight of each bag becomes nearly equal to a predetermined target weight, including a plurality of weighing balances for weighing the articles at the same time, arithmetic means for selecting some of these balances so that the total weight of the articles thereon satisfies a predetermined condition and means for unloading the selected balances to collect the articles thereon and then loading them with new articles, respectively, to initiate the next cycle of operation; each balance being accompanied with one or more temporary holding hoppers and corresponding memories, and means for distributing the articles on the balance to these hoppers and, at the same time, feed weight information thereof to the corresponding memories, in order to subject the articles in the hoppers to the selection by the arithmetic means together with the articles on the balance, thereby improving

Abstract: A combination weighing device with a simplified structure, which is used for packing a predetermined weight of articles in each package and especially useful with manual loading and unloading operations, arranged such that the articles are loaded successively on a single weighing unit and then unloaded on to a plurality of receptacles, the weights of the articles are successively stored in memory locations corresponding to the receptacles, the memory contents are successively read out in accordance with predetermined combinations by an arithmetic unit which selects a combination having a total weight which falls within a predetermined range, and the selected combination of the receptacles is indicated by an indicator for collecting the articles therein in a package.

Abstract: A device, which is especially useful in color scanning equipment and the like, for supporting a photograhic transparency on a scanning cylinder, in which the cylinder surface is provided with a window and a layer of magnetic rubber surrounding the window, and a trimming mask made of magnetic material held in position by the rubber magnet layer, thereby enabling the support of the photographic transparency to be scanned between the trimming mask and the magnet layer so that the transparency covers the window.

Abstract: A method and apparatus for controlling the operation of a primary filter press to insure the attainment of a desired quality cake in the press including a conduit for feeding a slurry or composition to the filter press, transducers responsive to the volume of slurry delivered to the filter press, the rate of flow, the pressure at the inlet to the press and the characteristics of the slurry solids for producing electric signals proportional thereto, relating at least certain of the signals to compute a quantity K indicative of the quality of the cake being formed in the press when the pressure to the filter press attains 90% of the terminal pressure and modifying the characteristics of the slurry to achieve the desired volume of K. The invention further comprehends the use of a pilot filter press of significantly smaller size than the primary press and fed by the same slurry and operated in the same manner.

Abstract: An automatic continuous weighing machine of the belt conveyer type which can weigh a number of articles successively fed thereto, the improvement of which is that plural pairs of endless chains and corresponding weighing units are included, each of the weighing units being operatively coupled to each pair of chains, so that the articles to be weighed are successively put on the different pairs of chains and weighed by the corresponding weighing units without interference with the measurement of the adjoining articles, thereby enabling reduction of the feeding interval of the articles and a corresponding increase of weighing speed and efficiency.

Abstract: A combination weighing machine, which is typically used for packing a plurality of articles in each bag or the like so that the total weight of each bag becomes nearly equal to a predetermined target weight, including a plurality of weighing balances for weighing the articles at the same time, arithmetic means for selecting some of these balances so that the total weight of the articles thereon meets with a predetermined condition and means for unloading the selected balances to collect the articles thereof and then loading them with new articles, respectively, to initiate the next cycle of operation; each balance being accompanied with at least two holding hoppers and corresponding memories, and means for distributing each batch of articles weighed by the corresponding balance to each hopper and supplying the weight of each batch to the corresponding memory, thereby subjecting all batches of articles in all holding hoppers to the combination selection of said arithmetic means with the contents of the corresp

Abstract: The device is formed of a mono-block piece comprised, on one hand, of two parallel parts (1, 2) presenting holes (3) where are arranged the sockets intended to cooperate with the pins of the integrated circuit block. It is comprised, on the other hand, of bridges (4) rigidly connecting these two parallel parts (1, 2). Thus, there is provided a perfect coincidence or register of the two series of pins of the integrated circuit and the two series of sockets, during the setting in place of the circuit on the support device.

Abstract: A precision casting device especially suitable for dental use, which includes melting and casting chambers supported by a frame such that they are arranged coaxially up and down in the frame under a normal operating state and can be drawn horizontally out of the frame during service time in order to facilitate access to the interiors of them, and which is provided with evacuating apparatus and an inert gas supply and can carry out the casting process in which a casting material is molten in an inert atmosphere, the molten material is then supplied to a mold in a vacuum state and, therafter, casting is effected under a pressure of inert atmosphere.

Abstract: The invention reads on a heating boiler for solid fuel, comprising a combustion volume with fuel feeding aperture, air entry apertures and chimney flue, and a water volume, the latter bordering on said combustion volume by mediation of convection plates. As taught by the invention, the boiler comprises air guiding elements for guiding the combustion air substantially across the combustion volume so that the point of air entry moves with time from one point in the combustion volume across the combustion volume for burning the fuel in the combustion volume zonally. The air guiding elements may consist of air entry apertures provided in the wall, disposed in a row across the combustion volume, and they may incorporate closing members for consecutively opening and closing the apertures e.g. with the aid of a governing apparatus from one margin to the opposite margin of the combustion volume.

Abstract: Water degasification and distillation apparatus having a container for water to be degasified and distilled, a relatively small boiler adjoining said container and having a first conduit extending into the container so that a selected water level in the container will fill said boiler to a selected height, a condenser within the container and immersed in the water contained therein, a second conduit extending from the space above the water in said boiler to the inlet of the condenser, an outlet on the condenser extending through a container wall for discharging degasified and distilled water and heating means in said boiler for heating the water therein at a rate greater than the capacity of the second conduit to handle the steam generated in the boiler.