Abstract: Flavoring peanuts by impregnating the peanut meat with a selected flavoring material mixed with water just below boiling and in which the peanut is permitted to soak from 100 to 150 seconds to absorb approximately 10% of the mixture of flavoring material and water and subsequently cooking the flavored nuts.

Abstract: A cooking device including an open topped vessel having a prismatic form and a polygonal base which is mounted for rotation about a horizontal axis parallel to its length. Motor means for oscillating the vessel in a rocking motion about the axis and a heat source is fixedly mounted above the vessel.

Abstract: The present invention relates to a circular storage silo comprising wall members connected to vertical columns, the arrangement being such that loads at the base of the silo are transferred evenly to base members secured to footings.

Abstract: Apparatus for mixing and improving the quality of sauces including a mixing vessel supported on a housing, said housing having a funnel shaped inlet through which the ingredients pass. An annular rotor is rotatable with respect to a stator member, the sauce ingredients being acted on by the same to produce a smooth, improved product. A passageway provides repeat circulation of the mixture through the apparatus and a tap is provided to withdraw the completed sauce.

Abstract: A process for the thermal treatment of a relatively thick product made of a copper-containing aluminum alloy of the 7000 series, the invention involving a solution heat treatment, quenching and tempering in three steps:(1) preliminary tempering at between 100.degree. and 150.degree. C. for five minutes to 24 hours;(2) intermediate tempering; and,(3) final tempering for 2 to 48 hours at between 100.degree. and 160.degree. C.The intermediate tempering step comprises a rapid rise in temperature in the zone at 150.degree. to 190.degree. C. followed by an evolution .theta.(t) above 190.degree. C. for a period T, such that: ##EQU1## is between 1 and 4, K=1.5 except for certain alloys where K=3. T and t are expressed in seconds, .theta.(t) is expressed in .degree.K. and is between 463.degree. and 523.degree. K. The present process provides increased mechanical strength to the product as well as a high resistance to stress corrosion.

Abstract: A process for recovery of zirconium from pickling solutions which have been used to treat products formed of zirconium or zirconium-based alloys, the invention particularly provides for separating zirconium from the acids contained in such solutions. The present process comprises passing the used or spent pickling solutions which contain from 1 to 50 g/l of dissolved zirconium through a column of an anionic ion-exchange resin by means of which the zirconium ions are separated from fluoride and nitrate ions originally present in the pickling solutions. Approximately 90% of the zirconium contained in such solutions can be recovered according to the invention, it being further possible to recycle residual fluoride and nitrate ions which remain in the used pickling solutions.

Abstract: The invention relates to a device for reducing magnetic disturbances in a series of very high intensity electrolysis cells. The device is characterized by the supply of an anode bus bar both through its two ends and through at least one central riser supplied from upstream cathode outputs and by a branch on the downstream cathode output rods of the preceding cell. Application is to the production of aluminum by electrolysis of alumina in molten cryolite.

Abstract: A fluid supply system includes a pressure-swing adsorption plant e.g. for supplying oxygen-rich gas to an activated sludge reactor in a sewage works. The product gas from the plant is supplied to the utilization apparatus by a compressor at a rate dependent on the demand for the gas, while waste gas is desorbed from the plant by a vacuum pump. When using the plant to separate oxygen from an air feedstock the major proportion of the power consumed by the plant is represented by the vacuum pump, which has to impell substantially greater volumes of gas than the product compressor. To economize on the power consumed by the plant, the rate of delivery of the vacuum pump is controlled by means sensitive to the demand of the utilization apparatus for product gas, so that a reduction in the demand from the product compressor leads to a reduction in the power consumption of the vacuum pump.

Abstract: Oxygen containing gas is dissolved in sewage passing to, or through, a sewer during periods when sewage is being pumped therethrough. A stream of the sewage is withdrawn during periods when sewage is being held in the sewer. This stream is passed through a conduit so as to promote in such a stream dissolution of oxygen-containing gas introduced into, or entrained in, the stream. The stream is then returned to the sewer. By this means a chosen concentration of dissolved oxygen may be maintained in the volume of sewage between the points of withdrawal and return of the stream.

Abstract: The invention relates to a process for the thermal treatment of aluminum alloys containing zinc, magnesium and copper as main alloying elements, and the products manufactured by this process and having an average particle diameter of Al-Mg-Cr phase of between 800 A and 1000 A. This process involves carrying out a treatment at high temperature for a sufficiently short period to prevent coalescense into particles which are too large. This treatment is preferably carried out at the homogenization stage for thin products and at the final dissolution stage for thick products. The invention is applied, in particular, to the manufacture of thin or thick sheets for the aeronautical industry.

Abstract: A method is disclosed for coating aluminum electrical conductors with an oxide of a controlled thickness to minimize the subsequent in situ deposition of an insulating layer of an electrically resistive oxide at the junction of the aluminum conductor and another electrical conductor.

Abstract: A preconnection system wherein the catheter is sealed to the drainage tube adaptor by a "tamper-evident" shrink band or wrap during the manufacture and assembly of the components and prior to sterilization. The shrink band incorporates a tear strip with a gripping tab, both of which overlie the adaptor in a recess formed at the juncture between the adaptor and catheter funnel.

Abstract: A carbonaceous paste is disclosed which is used at ambient temperature without need for prior heating. The paste contains: at least 70% of calcined carbonaceous material; a low-temperature plasticizing agent such as molasses, a sugar, an alginate or a lignosulfonate; and a high-temperature plasticizing agent such as a dry pitch. The paste is used in particular for luting aluminum electrolysis cells.

Abstract: An air separation process using pressure swing adsorption techniques, for providing high purity oxygen. Two sections are employed one comprising beds of molecular sieve carbon and the other comprising beds of zeolite molecular sieve. Air is fed to a first of the sections which provides an oxygen-rich gas stream as feedstock for the next section where further enrichment takes place. The zeolite sieve section serves to effect a separation as between oxygen and nitrogen while the carbon sieve section serves to effect a separation as between oxygen and argon and the processes performed at each section are integrated in such a manner as to minimize power consumption and make use of gas recycled from the second section to the first in addition to the flow of gas from the first section to the second.

Abstract: A process for the thermal treatment of thin products made of 7000 series aluminum alloys comprising a solution heat treatment, quenching treatment and a tempering treatment in three stages:pretempering between 100.degree. and 150.degree. C. for 5 minutes to 24 hours;intermediate tempering; and,final tempering between 100.degree. and 160.degree. C. for 2 to 48 hours.Intermediate tempering comprises a rapid rise in temperature to 190.degree. C. followed by a treatment at a temperature .theta.(t) between 190.degree. and 250.degree. C. for a total duration T in such a way that the function: ##EQU1## is comprised between 0.5 and 1.5; and T and t being expressed in seconds and .theta.(t) in .degree.K.This tempering treatment imparts to the products treated both high mechanical characteristics and a high resistance to stress corrosion.

Abstract: In a process for condensing the vapor of a volatile liquid, such as vinyl chloride monomer, a gaseous mixture comprising the vapor of the volatile liquid and a non-flammable gas, such as nitrogen, is heat exchanged with a liquid refrigerant or vapor evolved therefrom, or both, the heat exchange being performed such that condensate of the vapor of the volatile liquid is produced at a directly or indirectly controlled temperature which is between the boiling point of the volatile liquid at atmospheric pressure and the boiling point of the refrigerant at atmospheric pressure and which is also between the boiling and freezing points of the volatile liquid at the prevailing pressure at which the condensate is formed, the non-flammable gas remaining uncondensed; the condensate is collected; the uncondensed gas is warmed to a temperature, and then vented to the atmosphere.

Abstract: A folded-blank carton including opposed first and second face walls, opposed first and second side walls, and opposed first and second end walls. At least the first end wall is defined by inner and outer overlying panels, the inner panel being integral with the second face wall along a juncture forming fold line, and the outer panel being integral with the first face wall along a junction forming fold line. The outer panel includes an edge generally aligned over the second face wall and an outwardly projecting tab integral with the outer panel along this edge. A tearout section is defined transversely across the outer panel in alignment with the tab, and a partially severable access section is hinged to the first face wall in alignment with the tearout section for an outward swinging of the tab, tearout section and access section to expose the contents of the carton.

Abstract: A safety cover for the control unit of an automobile power window or power door lock including a knob positionable over the actuating lever of the control unit so as to enclose the lever and the surrounding opening through which the lever projects. The cover further includes, either as an integral part of the knob or as a separate attachment, a pair of laterally spaced rearwardly projecting bifurcated legs positionable to opposite sides of the actuating lever and adapted to snap-lock to the transverse shaft which mounts the lever.

Abstract: An improved process for the manufacture of nitric acid involving catalytic oxidation of ammonia and passage of the resulting nitric oxide through columnar absorption zones, the improvement particularly comprising oxygen-enrichment of that gas passing through the absorption zones at one or more regions of the zones wherein the absorption reaction is from 50 to 90% complete. Further, the invention contemplates the oxygen-enrichment of bleaching air and a reduction in the rate at which bleaching air or other air is taken to form secondary air. The invention results in improved production rates of nitric acid and reductions in the concentration of nitrogen oxides in vent gas.