Apparatus comprising a parallelogram which is movable in one plane and which is formed by a first and a second coupling rod and a part of a first and a second supporting rod for an X-ray source or other device and a counterweight, respectively the coupling rods are pivotably connected near one end to the first supporting rod and are pivotably connected to the second supporting rod near their other...

PURPOSE:To simplify the connectin of the split jackets of a marine structure by a method in which a connector is thrust through each strut of the split jackets, the split jackets are lowered under the guidance of the connector, and the connector is given a tension and clamped. CONSTITUTION:A connector 10 to be coupled with a fixed ring 9 is thrust through the inside of each strut 1 of the split ja...

1497986 Preparation of N,N-diethyl 2-(α- naphthoxy)propionamide STAUFFER CHEMICAL CO 6 Aug 1976 [15 Aug 1975] 32813/76 Heading C2C The invention comprises a process for the preparation of N,N-diethyl 2-(α-naphthoxy)- propionamide by reacting α-naphthal with an excess of N,N-diethyl α-chloro (or α-bromo)- propionamide in the presence of an excess of aqueous alkali metal hydroxide solution based on ...

An improved process for the production of cross-linked polyolefin foams by mixing polyolefins with conventional foaming agents and cross-linking agents known for polyolefin foam production, shaping the mixture into a plate or into a continuous sheet, substantially without cross-linking and foaming, the improvement comprises mixing said mixture with up to 50% by weight of an alpha , beta -unsatura...

A reactive polyolefin composition comprising a polyolefin and a rubber component dispersed in the polyolefin in fine granular form, at least a portion of the particles of the rubber component containing at least one type of polymer having a functional group in the molecular structure thereof, a molding thereof and a process for producing the same, are disclosed.

Improved foamable polymer compositions of polyvinyl chloride or copolymers containing vinyl chloride, with little or no plasticizer, are described. The foamable polymer compositions contain polyvinyl chloride, or a vinylchloride-copolymer, a chemical blowing agent, and a high molecular weight polyethylene. The compositions may also contain stabilizers, lubricants, additives to improve impact stren...

PURPOSE:To attain an input of accurate contour coordinate value over the entire surface of a monitor screen by applying always the optimum window processing when the contour is extracted. CONSTITUTION:A control processing means 14 decides the square ROI coordinates by setting the coordinate value supplied from a coordinate input means 12 as the center of the ROI coordinates and on the basis of the...

An arrangement for regulating the introduction of substances into chambers is disclosed and is particularly well-suited for the feeding of coal into coke ovens. The arrangement includes a chamber which is to be filled to a predetermined level and a feeding device is provided for feeding material into the chamber. The feeding device has a switch which stops the introduction of the material to the c...

PURPOSE:To add a copying or picture editing function to a printer with simple constitution by providing a reading means in the exclusive carrying course of a paper feeding part and writing a read processing result from a write optical system in a photosensitive body. CONSTITUTION:The reading means 19 for reading out an optional place of recording information on an original is provided to the exclu...

PURPOSE:To pull a molded article continuously without deforming the shape of the molded article, by a method wherein elastic rollers provided with casters are arranged face to face each other by providing a pinching and holding part between the elastic rollers which are turned reversely each other by a prime mover. CONSTITUTION:Casters 4, 4 are fixed to the lower part of a frame 2 through leg bodi...

PURPOSE:To improve the nonefficient operation of an AC motor by providing means for measuring the rotating speed, means for calculating the attenuation rate from the measured value, and means for outputting a motor power for applying the necessary and minimum output torque. CONSTITUTION:A stop signal of an inverter 4 is outputted at a time t0, and the output voltage VM of the inverter becomes 0. T...

An endoprosthetic acetabular component of overall cup form has three parts: an outer part (10) for securement in bone, an inner part (20) defining a dished articulation surface (23) and adjustably engageable with the outer part to allow independent variation of such surface in both inclination and rotation, and a third part (30) to secure the inner and outer parts with a preselected adjustment of ...

An improved apparatus for the synthesis of more complex oligonucleotide compounds from simpler chemical compounds wherein at least one of said simpler chemical compounds is carried on a solid matrix comprising a plurality of beads located within a reaction chamber and is sequentially subjected to a plurality of other simpler chemical compounds passed through the chamber in a stream, causing chemic...

An improved apparatus for the synthesis of more complex oligonucleotide compounds from simpler chemical compounds wherein at least one of said simpler chemical compounds is carried on a solid matrix comprising a plurality of beads located within a reaction chamber and is sequentially subjected to a plurality of other simpler chemical compounds passed through the chamber in a stream, causing chemic...

Nucleosides [1 (X=O, CH2; R, R1R2 = independently H or alkoxyalkanoyl), having antiviral activity, and their derivatives were prepared. Thus, 4.8 g vidarabine was esterified with 2.38 g MeOCH2COCl in DMF at 4≰ to give 59% vidarabine 5'-methoxyacetate (II) . II showed in vivo antiviral activity against herpes simplex virus type 2 in female guinea pigs.

PURPOSE:To obtain a supersonic motor having excellent drive efficiency by generating a traveling elastic wave by an electrostrictive element which is common to a plurality of elastic vibrators, thereby driving a movable element. CONSTITUTION:A member 1 of a driven side of a supersonic motor is, for example, the rear end of a lens holder, and a hard rubber portion 34 is bonded via an adhesive or th...

PURPOSE:To obtain a vibration type motor which preferably drive against environmental temperature variation by providing vibrating electromechanical converters at a plurality of positions of a solid element to form a traveling surface wave, detecting the vibrating state of the element to vary the vibrating frequency. CONSTITUTION:Piezoelectric ceramics 2a-2d are bonded to a ring plate 1, and ceram...

PURPOSE:To improve the drive efficiency of a supersonic motor by utilizing the magnetic force of a permanent magnet in pressure contact between an elastic vibrator and a movable element in the motor for driving the element by generating a traveling elastic wave from an elastic vibrator. CONSTITUTION:A rotor 13, a permanent magnet 14 and a frictional element 15 are bonded integrally. A vibrator 16 ...

PURPOSE:To improve the drive efficiency of a supersonic motor for driving a movable element by generating a traveling elastic wave from an elastic vibrator by pressure contacting the vibrator with the element by electromagnetic means. CONSTITUTION:A rotor 13, a ferromagnetic unit 14 and a frictional element 15 are bonded integrally. A vibrator 16 and a vibration absorbing member 17 are bonded, and...