Abstract: An improved aerosol can testing apparatus including an endless belt carrying a plurality of can suspending members on either side, the aerosol cans being suspended vertically by a spring load plastic finger assembly, and with further automatic can discharge means.

Abstract: Leakage through a fraction of the wall of a vessel is indicated by delimiting, at one side of the wall fraction, a narrow closed space connected to pressure measuring means, whereupon both sides of the wall of the vessel, except the area enclosed in the narrow space, are subjected to a similar gas pressure higher than the pressure within the space.

Abstract: An apparatus is disclosed for testing the traction properties of pneumatic tires. A frame is provided having a plurality of structural members. A suspension system having upper and lower arms each having first and second ends is rotatably attached to the frame at the first ends of the upper and lower arms. A hub assembly having a triaxial force transducer mounted therein is attached to the second ends of the suspension system by means of a pair of spherical bearings. An aperture extending through a rear wall of the hub assembly, through the triaxial force transducer and through a front wall of the hub assembly supports a driven axle for applying driving or restraining torque to a pneumatic tire mounted on the front surface of the hub assembly.

Abstract: Device for measuring the force required to untangle hair comprises a handle, a carding member mounted for pivotal movement about the axis of said handle, and a counter for measuring the sum of the amplitudes of successive pivotal movements of said carding member relative to said handle.SUMMARY OF THE INVENTIONIn order to compare the characteristic properties of cosmetic products such as shampoos for example, it is often necessary to compare the property of being more or less easily entangled which they impart to the hair, regardless of the form of the hair itself, whether it consists of locks, wigs, or a head of hair. It is clear that the more the application of a product or composition facilitates untangling, for example, after shampooing, the more advantageous the use of this product or composition is in practice. Up to the present it has been impossible to evaluate the property of facilitating the untangling of hair in other than a subjective manner and this has made it difficult to carry out comparisons.

Abstract: The operating speed of an electronic timepiece, whose electro-optical indicator is excited by an oscillator with a frequency harmonically related to its stepping rate, is determined by an electrostatic sensor including a monitoring plate capacitively coupled to an electrode of the indicator. The output of the sensor is a bipolar pulse train developed across a resistor defining a differentiation circuit of small time constant with the condenser formed by the monitoring plate and the electrode, the capacitance of this condenser being on the order of 1 pf or less so that the controlling oscillator is not significantly loaded by the presence of the sensor.

Abstract: The leak detector disclosed herein is of the type which detects the presence of halogen gases, such as fluorides, by the effect such gases have on the color of a flame in the presence of reactive copper. The flame is generated by a gas-fueled burner of exceptionally small and rather critical proportions, constructed so that the entire air supply for the burner may be obtained through a flexible search tube. Further, the reactive copper is provided integrally with the burner rather than as a separate element heated by the burner. The burner employs a disk-like flameholder which is proportioned to provide a stable flame despite the small size of the burner and which is itself constructed of copper so as to provide the reactive material to obtain flame color sensitivity.

Abstract: Liquid is supplied to a meter test stand at a uniform pressure, and the flow through the meters on the stand automatically is directed to each of three receptacles in sequence at three different flow rates during each test cycle. Level sensors in each receptacle actuate cycling controls and actuate sensing and recording components. The latter components monitor the rate of flow registration of the meters on test and provide an accurate comparison by percent of the measured flow rate to the actual flow rate. A high degree of accuracy is achieved through the use of a phase locked loop and digital control system which responds to the level sensing and cycling controls to provide a print-out of the comparison as a measure of accuracy of the meter at each such flow rate.

Abstract: The invention provides means for controlling the displacement of a universally pivoted member which is subject to a force, such as the force of the wind tending to move the member about its universal pivot, so that a predetermined law of displacement in relation to the applied force is maintained.

Abstract: There is disclosed a device and method for measuring the angle of repose of a granular material. The device is composed of a rectangular body having an open ended partition dividing the body into two cells. A sample of granular material is placed in one cell and allowed to flow from one cell into the other cell under the influence of gravity. Both the static and dynamic angle of repose can be determined.

Abstract: An electronic timepiece provided with a liquid-crystal cell in a grounded casing, a common electrode on one side thereof and a segmented pattern electrode on the other side has a transparent shield electrode which is grounded to the casing and overlies the major part of the cell, with the exception of at least one window registering with a detecting electrode positioned on the glass cover of the casing. An ungrounded electrode underneath the window is pulsed by the electronic clockwork, the pulses being picked up by the detecting electrode and delivered to an evaluating device for measuring the operating rate of the timepiece.

Abstract: A fluid flow meter with two independantly counter rotating turbine impellers is disclosed in which fluid characteristics and/or upstream flow disturbances cause minimal variations in volume flow rate measurements by the meter as a result of fluidynamic interaction between the impellers.The angular velocities of each of the impellers are sensed in a conventional manner after which the velocity signals are added to indicate a total volume thruput, and/or rate of flow, and optionally compared to indicate an occurance of mechanical or electronic degradation.

Abstract: The apparatus disclosed herein is useful for testing unconsolidated sand samples from oil-bearing or gas-bearing earth formations. Basically, the device comprises a cylinder equipped with opposing pistons. The sand sample is placed in the cylinder between the pistons and then compacted by moving the pistons toward each other. The force for moving the pistons is supplied by a fluid, such as air or hydraulic oil, which is injected under pressure into a chamber defined in the cylinder behind each piston. The compacted sample is then subjected to various test procedures involving permeability measurements, consolidation tests, and flow studies.