Abstract: An automatic sheet feeder, connected to an automatic writing system, for feeding the fresh sheets to a printing station from a first container after a separation in a separate device. After the printing operation, each printed sheet is sent to a driving roller which, in cooperation with a curved guide, reverses the sheet for piling it in a second container positioned above the first container, so that the printed sheets are piled in the same order of printing and upsidedown.

Abstract: A correctable print is obtained by using an easily sublimable ink. Said print is completely erased when heated at a temperature insufficient to cause the darkening of the paper, by means of a hot point, of hot air, or of radiant energy.

Abstract: An apparatus for collecting pollution, especially oil, from a surface contaminated liquid. The apparatus is adapted to float on the surface of the liquid. A surface layer of liquid with pollutant is drawn into a rotating hollow rotor by virtue of a liquid vortex established therein. The incoming liquid contacts the overlying surface of a concentrically arranged stator. This contact reduces the rotational velocity of the boundary layer of liquid containing the pollutant. The resultant force urges the pollutant toward the center of the vortex, whence it is drawn off through a collecting cavity located centrally of the stator.

Abstract: A time division multiplex (TDM) switching network for a telecommunications system or the like is described. The network contains switching network units for causing time slots formed on connected TDM lines to be assigned on a space/time division basis. The TDM lines are formed into trunk groups, and the trunk groups, respectively, form the row and column lines of a matrix. The switching network units are arranged at the crosspoints of the trunk groups to form the crosspoint switching elements between the intersecting trunk groups or between lines of the same trunk group. Each switching network unit is constructed to have a capacity for completing a number of connections less than the number of connections the crosspoint with which it is associated is capable of carrying.

Abstract: A circuit module is mounted on a flexible substrate, forming what is usually referred to as a micropack. This substrate has soldered conducting paths that are provided with solder spots at the sites where they shall be bonded with the conducting paths of a thin-film hybrid circuit. the micropack is inserted onto the hybrid circuit with a pair of vacuum forceps or tweezers, and adjusted and pressed into the conducting paths of the hybrid circuit under the action of the pins of a pressure plate or clamp. At the same time, the conducting paths of the micropack are bonded with the conducting paths of the hybrid circuit through infrared irradiation.

Abstract: The method for coating textile substrates such as carpets and textile fabrics with a latex backing is improved by replacing up to about 40% by weight of the normally employed latex solids in the coating composition with an alkali metal silicate extender such as sodium silicate, and further adding a latex compatible metal compound which will react with the silicate extender to render the silicate values less water soluble. The improved backing layer provides a significant cost reduction, increased fire retardancy and beneficial modification of other properties of the coated substrate.

Abstract: An automatic heat control apparatus for use with an electric heating element in a kiln or the like comprises a first power controller having a plurality of on and off intervals. The first controller supplies electric current to the kiln heating element during its on intervals, and further includes means for adjusting the duration of the on intervals relative to the off intervals. A constant speed electric motor is mechanically coupled to the first power controller for gradually increasing the duration of the on intervals and decreasing the duration of the off intervals; such control ensures that the temperature inside the kiln increases very gradually to lessen the risk of breaking the ceramic material being fired. Furthermore, the average speed of the motor may be controlled by means of a second power controller, similar to the first controller, having a plurality of on and off intervals which intermittently energize the motor for rotation thereof.

Abstract: A screw-type lifting clamp comprising a generally U-shaped clamp body having a pair of spaced, opposed projections defining a generally vertically downwardly facing material receiving slot, a lifting shackle attached to said clamp body, a screw threadedly received through a first such body projection and being threadedly movable toward and away from the second body projection, a jaw pivotally mounted to the second body projection for pivotable movement about a horizontal axis perpendicular to the screw axis, and resilient means urging the jaw to a horizontal position. The pivotable jaw includes vertically spaced teeth defining a gripping surface which is convex in a vertical plane and has a radius of curvature greater than the horizontal distance between the jaw pivotal axis and the jaw gripping surface when that jaw is horizontal.

Abstract: A stable, free-flowing sodium dichloroisocyanurate dihydrate powder is prepared by spray drying an aqueous solution or slurry of sodium dichloroisocyanurate to form a particulate product having a moisture content from about 12.0 to about 20.0% by weight and subjecting this product to specific stabilizing and cooling after-treatment steps in a plurality of fluidized and/or vibrating beds. During the stabilizing step the product is dried to the final moisture level, if necessary, and the water of hydration is uniformly distributed and firmly bound to the particulate product.

Abstract: The method comprises feeding the veneer through a closed chamber under vacuum conditions, and heating the veneer while in the chamber by an infrared emitter. The apparatus comprises a chamber having means for feeding the veneer to, through and from the chamber, means for creating a vacuum within the chamber, and infrared emitter heating means.

Abstract: A child's seat comprising a plastic seat panel and a plastic leg opening cover both of which are pivotally mounted at their rear edges on a transverse support wire, that itself is slidably mounted upon the cart rear frame. The forward edge of the seat panel has a plurality of curved flanges that engage a support wire mounted on the seat back frame. Interaction between the flanges, the wire, and the edges of a recess in the seat back frame adjacent to the wire holds the components interlocked, while allowing the pivot movement of the seat panel with respect to the seat back frame. A reinforced plastic seat back frame has two leg portions each terminating at its bottom in an S-shaped portion that fits into an opening in the cart rear panel to support the seat back frame and allow pivotal movement thereof. The plastic seat back frame is reinforced by a pattern of integrally molded ribs. Additional reinforcement is obtained by utilizing metal inserts placed in channels between adjacent ribs.

Abstract: A bland protein product having a texture and mouth feel simulating animal meat is prepared from a dough-like mixture of proteinaceous material and water. The proteinaceous material can comprise relatively low protein content blends or even single ingredients such as soy flour. The process comprises continuously extruding the protein dough in the form of a relatively thin sheet of semi-rigid protein material into a confined treating zone while simultaneously subjecting the thin sheet in the extrusion die to externally applied heat to texturize both surfaces of the sheet before it enters into the confined zone. In the confined zone a stream of heated gas is directed at the thin sheet of surface-texturized protein to break off the leading segment of the sheet and further to propel the segments through the confined zone where additional texturization takes place. Finally, the protein segments are passed through a back pressure means at the end of the confined zone, and recovered in usable form.

Abstract: A device for facilitating location of the printing point and/or the correction of characters comprises a mechanism actuated by a back space key to shift the printing point back. A second mechanism, also actuated by the back space key, moves a pointer to a set position over the printing point simultaneously with the back spacing. A restoring element controlled by a typing mechanism automatically restores the pointer to an inoperative position clear of the printing point before the typing of the selected character. A correcting key, when actuated, sets a suppressor which arrests the movement of a spring actuated actuator to lock the escapement and prearranges a lift mechanism for raising a correcting ribbon into an operative position. A positioner connected to the lift mechanism holds the suppressor in the set position in opposition to the action of a returning spring when the mechanism is prearranged for use and releases the suppressor when the correcting ribbon is raised into the operative position.

Abstract: A display stand comprising rod-like standards having sleeves secured thereto at spaced intervals. The sleeves have another cross-section shape than the rods whereby open spaces are defined therebetween. Hook-like coupling members belonging to components to be carried by the standards connect the said components to the standards by engaging selected ones of said open spaces.