Abstract: A cutting tool consisting of a cylindrical stem and shank separated by a greater diameter body, the body and stem defining a shoulder, an annular cutting surface including a ring of teeth separated from each other by a flute, a larger diametered bore extending coaxially from the cutting surface into the body and a smaller diametered bore continuing through the body and shank.

Abstract: An ion beam source of the Penning type having an electrostatic tube lens, an ion-immersion lens and a conical screen.

Abstract: Correction signals for aperture correction of video signals are generated in such a way that the peak values of the correction signal produced in an aperture corrector which are dependent upon the frequency of the video signal to be corrected are maintained constant.

Abstract: A process for preparing modified copolymers while substantially reducing disintegration, which copolymers contain carboxylic groups to which cations of polyvalent metals are bound which comprises reacting in a first stage a solution of a copolymer containing anhydride groups of vicinal carboxylic groups or a combination of such anhydride with vicinal carboxylic groups and/or other radicals capable of forming vicinal carboxylic groups with certain alcohols to yield a reaction product in which at least a part of the anhydride groups is converted to semiester groups, and reacting the product thus obtained in the presence of water at a temperature in the range from 50.degree. to 120.degree. C with a salt-forming compound of a polyvalent metal. The invention is also directed to resinous compositions, particularly printing inks, containing such products.

Abstract: A valve for compressing a duct or vessel within a living animal having a permanent magnetic core enveloped by a biochemically inert sheath surgically implanted adjacent the duct or vessel and actuated by a magnet topically positioned by a belt, adhesive patch or other means.

Abstract: A machine for the continuous finishing of webs of textile or artificial leather material or the like in accordance with a variety of finishing processes, the machine comprising a reversible continuous flow drum having web feed and withdrawal devices, the feed device being associated with direct radiation means, one or more moistening devices and one or more devices for applying additives, and the drum being mounted in a casing in which are provided a ventilation device, at least one steam spraying device and a radiator, the component of the machine being independently controllable and the drive of the drum being adjustable for achieving any desired angle of rotation of the drum.

Abstract: This invention relates to a light pen, and more particularly to a construction of such light pen in which a small portion having a scanning face and including a combined end of a photonconductive optical fiber bundle is housed within a cartridge body, and the remaining bifurcated portion of the fiber bundle is housed in the pen holder body and a cord provided continuous thereto, the cartridge and pen holder bodies being detachably joined together.

Abstract: Superimposed pictures on the video outputs of cameras resulting from picking up stray transmitted television signals are eliminated by shielding the camera amplifier, and by insertion of inductances at the input of the amplifier and between the first two stages. The inductances combine with existing parasitic capacitances to create low-pass filters which pass the video signal from the camera but block the higher frequency transmitted television signals.

Abstract: A process for the manufacture of a modified natural resin product wherein (a) a natural resin is reacted with (b) at least one ethylenically unsaturated monomer capable of being added to a natural resin, having from 2 to 12 carbon atoms and being free from carboxylic groups and anhydride groups, and (c) and more than 5%, referred to the weight of the natural resin, of an .alpha.,.beta.-olefinically unsaturated carboxylic acid or a derivative thereof yielding carboxylic groups under the reaction conditions. The invention is also concerned with resinous compositions, particularly adhesives and printing inks.

Abstract: A transparent phototropic laminate comprising a light transmitting substrate, a inorganic phototropic layer attached to the substrate and a polymeric layer attached to the phototropic layer.

Abstract: A portable battery operated color television camera is provided with a switch system for use to preserve power while testing the camera and associated equipment or while engaged in standby operation. The switch system removes the power from two of the three pickup tubes in the camera, thereby reducing power consumption while allowing testing or standby operation in a black-and-white mode.