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| Number | Title | Issue Date |
| 4206948 | Process for scrub brush manufacture A scrubbing-brush is manufactured by the following process. First, a number of nets formed of fibers connected with one another are secured. The bundle is bundled at an intermediate portion thereof by a bundling member. Then, the bundle is cut at opposite... | 06/10/1980 |
| 4185952 | Moulding machines An injection molding machine has a fixed and a tool portion, a shroud mounted for sliding movement around and in sealing relation to one of said portions towards and into sealing engagement with the other portion so as to define with the portions a substa... | 01/29/1980 |
| 4186356 | Phase locked loop frequency synthesizer and frequency modulator Frequency-modulated electrical signal generator comprising two oscillators, the first delivering a modulated output frequency and driving a mixer which receives in addition the output of the second oscillator. The latter is phase-controlled by a loop comp... | 01/29/1980 |
| 4182105 | Method of manufacturing collectively stranded wires for communication cables A method of manufacturing collectively stranded wires for communication cables, comprising a process wherein parallel multi-wire sets obtained by the extrusion method from insulating material and a plurality (2, 3 or 4) of conductor wires arranged in para... | 01/08/1980 |
| 4182502 | Device for the bearing harmonization of an airborne load This device incorporated in a release or ejector mechanism for adjusting the transverse direction of an airborne load comprises a device for pivoting thereon the load-supporting hook and a bell crank linkage system, whether the load is equipped with a so-... | 01/08/1980 |
| 4181053 | Food slicers Apparatus for use with a food slicer comprising a conveyor for location adjacent to the said slicer and adapted to receive slices of food as they are cut by the slicer; a pump for generating hydraulic pressure, a motor driven by said hydraulic pressure; p... | 01/01/1980 |
| 4180304 | Dissemblable multi-part electrical connector An electrical appliance in which flexible conductors connect the terminals of the plug to the terminals of the body, the plug being divided into elements capable of being separated in order to facilitate soldering and then reassembled on installation, the... | 12/25/1979 |
| 4176631 | Internal combustion engine In operation of an internal combustion engine, a lamina of air is introduced into the combustion chamber to line the wall thereof, the fuel being admitted into the interior of the lamina of air. In a two-stroke engine, air entering the combustion chamber ... | 12/04/1979 |
| 4177489 | Tape running mechanism provided with automatic stopping device The automatic stopping device for use in a tape recorder comprises a detection arm mechanically operated in response to stopping of the rotation of a reel driving shaft. A flywheel connected to a capstan is provided with a plurality of projections arrange... | 12/04/1979 |
| 4174655 | Pneumatic apparatus for the rotation of valve rods A pneumatic apparatus for the rotation of a valve rod having a box-design body with a cylindrical seat, on the inner wall of which there is disposed a static resilient gasket, shaped so as to convert the said cylindrical seat to an almost 8-shaped configu... | 11/20/1979 |
| 4173366 | Device for jettisoning a load in two different ways This device for jettisoning a load in two completely different ways comprises a rocker fulcrumed on a support rigid with the load, or spherical member formed integrally with the support, and a pair of opposed hooks fulcrumed to the structure from which th... | 11/06/1979 |
| 4173726 | Tuning fork-type piezoelectric vibrator A tuning fork-type piezoelectric vibrator having electrodes for the excitation formed on the legs of the vibrator body which electrodes extend for at most subsequently half the length of said leg reveals a powerful suppression of the vibration modes of hi... | 11/06/1979 |
| 4172643 | Exposure measuring apparatus for photographic cameras The invention relates to an apparatus for internal measurement of the exposure in photographic cameras where the light penetrating the picture-taking or objective lens is fed by way of a mirror to a photoelectric cell. A marginal reflective surface faces ... | 10/30/1979 |
| 4171781 | Copying apparatus A copying apparatus with a paper roll wound on a sleeve, a pair of roll holders having lugs frictionally held in the ends of the sleeve, each roll holder being provided with a journal pin adapted to engage an associated guide mounted on the copying appara... | 10/23/1979 |
| 4171697 | Respirator A portable artificial respiration device of lightweight construction for use in operations and for resuscitation. A housing includes an inlet for receiving a respirator fluid under pressure, a conduit for communicating with a patients respiratory system a... | 10/23/1979 |
| 4170365 | Gasket of rubber or a similar material A gasket of rubber or a similar material for sealing joints between the sealing surfaces of two members to be joined, for example pipe sections comprising a spigot and a socket part. The gasket is placed in a fixed position on the sealing surface of one o... | 10/09/1979 |
| 4170157 | Trimming pipe bends A machine for the trimming of a pipe bend held in a die in a machine frame has two hydraulic rams mounted at 45°, the piston rod of each ram carrying one of a pair of rotary cutting devices for trimming respective ends of the pipe bend. Under the two hyd... | 10/09/1979 |
| 4169962 | Heat treating apparatus A heat treating apparatus including a crucible to contain molten metal, at least one plasma ejecting nozzle which is constructed so as to generate a plasma jet and is secured with respect to the crucible around the central axis of it and a magnetic field ... | 10/02/1979 |
| 4168046 | Automatic wedging device for aircraft jettison loads This automatic wedging device for operating each ejector of loads carried under an aircraft for jettisoning comprises at least one actuator of the cylinder-and-piston or worm-and-wheel type adapted to transmit a wedging force to a pair of symmetrical load... | 09/18/1979 |
| 4168370 | Process for manufacture of amino formaldehyde resin A method for the manufacture of amino-formaldehyde resins of low water content. Amino compound and formaldehyde or paraformaldehyde are reacted at a temperature about 60° C. in the liquid phase, the liquid phase being ensured by a reactive modifier. The ... | 09/18/1979 |
| 4168443 | Two-wire proximity detector In a two-wire proximity detector, a supply to a probe and auxiliary apparatus is obtained from a bridge rectifier through two regulating circuits of which the first operates when an inhibitor transistor is conducting, while the second operates when the in... | 09/18/1979 |
| 4168047 | Automatic load carrier and jettisoning system with built-in hoisting means This hoisting device for loads to be carried under aircraft is incorporated partially or completely in a load carrier system without requiring any lateral access, the connection between the hoisting device and the load being eliminated automatically once ... | 09/18/1979 |
| 4166724 | Fuel composition An improved gasoline or light oil fuel for internal combustion engines has an additive comprising ammonia and methyl alcohol in proportions selected to provide reduction or elimination in the exhaust gases of nitrogen oxides, hydrocarbons, and carbon diox... | 09/04/1979 |
| 4165689 | Device for sequential overturning of sheets in multi-color offset printing machines A device to be associated to a transfer means, generally a transfer cylinder, of an offset type printing machine including more than two units interconnected in series by said transfer means, the device performing the overturning of sheets for printing th... | 08/28/1979 |
| 4165934 | Microfilm camera A microfilm camera is provided which has a camera head positioned above an exposure table. The exposure table included a pivotable glass plate and originals to be photographed can be placed beneath the glass plate or on its upper surface. To enable in-foc... | 08/28/1979 |
| 4165167 | Photographic camera A viewfinder and exposure factor indicator system for photographic cameras comprising an indicator panel, a micro-luminous element for illuminating said panel, and a reproduction system arranged between the luminous element and the indicator panel. The im... | 08/21/1979 |
| 4163617 | Ball joint A ball joint comprises a circular cylindrical housing with at least one opening, a bearing member contained in the housing, a ball stud with its ball head pivotally supported by the bearing member, and a closing plate press-fitted in the opening so as to ... | 08/07/1979 |
| 4157636 | Control means for a lens-edge grinding machine Control means for a lens edge grinding machine having its rotatable lens carrier in an assembly rockable about an axis to impart contour to a lens and axially movable along such axis to cater for curvature of the lens being ground, which control means com... | 06/12/1979 |
| 4155517 | Fishing spinning reels In a fishing spinning reel, a cylinder is connected to the outer end of a handle lever adapted to rotate the main body of the reel, and one end of a handle stay is slidably inserted into the cylinder. This end is provided with an annular groove, a pair of... | 05/22/1979 |
| 4155322 | Apparatus for use in the jointing of floating ship sections There is provided a floating caisson device for placing below and transversely to the bottom of a vessel hull in engagement with the lower portions of the hull side walls for providing a dry working space, especially for joining floating hull sections by ... | 05/22/1979 |
| 4154433 | Continuous atmosphere controlled furnaces Disclosed is a continuous atmosphere controlled furnace for aluminum brazing and other purposes. A plurality of pots are suspended from a circular roof rotatable in a horizontal plane and arranged in a circle having a center on the axis of rotation of the... | 05/15/1979 |
| 4151836 | Vectocardiograph apparatus fitted with a device for the accurate placing of thorax electrodes These components comprise a reference frame (3) and a mobile frame (4) mounted slidingly in the plane of the reference frame. After placing electrode E and, consequently, electrode M, which are carried by telescopic arms fixed to the reference frame, the ... | 05/01/1979 |
| 4152532 | Means and method of heating A feeding electrode of a heating means is a hollow cylinder with an open lower end, and is mounted on a frame. An arc-generating electrode is also mounted on the frame, and is disposed inside the feeding electrode. The lower end of the feeding electrode i... | 05/01/1979 |
| 4151454 | Remaining capacity detector of a battery A calibration circuit for charging and discharging is connected between the both terminals of a battery, a memory circuit is connected to the calibration circuit, and an indicator is connected to the memory circuit. The remaining capacity of the battery i... | 04/24/1979 |
| 4149928 | Manufacture of insulation products Apparatus for producing lengths of tubular pipe insulation from fibrous web material. A mandrel is provided, together with turret means which index the mandrel from a winding station where it is wrapped with the fibrous web, through a curing station and a... | 04/17/1979 |
| 4149355 | Packaging method and apparatus Apparatus is provided for packing articles, for example apples and other readily damaged fruits, in a close-packed array. A first feeder operates to pack a first supply of the articles in spaced-apart groups and a second feeder operates to fill the spaces... | 04/17/1979 |
| 4149317 | Measuring and/or tracing device A measuring and/or tracing device is of the kind having a vertical column, a transverse sliding unit secured to the column and movable in a vertical direction, a cross arm held by said unit and movable horizontally, a holder on the end of the said cross a... | 04/17/1979 |
| 4147048 | Machines for the manufacture of springs fitted with eyelets or hooks The invention relates to machines, for the manufacture of springs, of the type which produce springs with a hook in a plane passing through the axis of said spring at one end, and a hook lying in the extension of the last turn of the spiral at the other e... | 04/03/1979 |
| 4147811 | Method of, and apparatus for, manufacturing coarse-grained bean curd The disclosure is directed to the manufacture of bean curd having a coarse structure. Soybean milk is coagulated and a mass of coagulated soybean milk is broken into smaller lumps. These lumps are distributed into a plurality of continuously moving cups. ... | 04/03/1979 |
| 4148070 | Video processing system A video processing system comprises an analogue to digital converter for receiving a video signal and converting the signal into digital form. A digital frame store receives and stores the converted video data. Store addressing means address locations wit... | 04/03/1979 |
