A techniqu for producing measurements of physical characteristics of subsurface media near a borehole penetrating the earth is disclosed that uses multiple transducers positioned along a borehole tool. A number of transducers of a first type, such as transmitters, are separated from each other along the tool by a preselected separation, and a number of transducers of a second type, such as recei...

PURPOSE:To easily carry out the measurement of band-like material moving at a high speed accurately at a low cost by measuring the level difference quantity of joint by the difference in light shielding quantities by the use of two optical photo-sensors. CONSTITUTION:The front and rear portions of the joint portion X of a band-like material W which is conveyed at a defined speed by means of a conv...

PURPOSE:To improve the operation performance by controlling the working quantity of an actuator independently of the number of revolution of an engine by one instruction means at an arbitrarily set number of revolution or less when the number of revolution of an engine is arbitrarily set by the other instruction means. CONSTITUTION:When an accelerator pedal 20 is stepped-on, a working edge 20a ope...

PURPOSE:To integrally form a various coupling and a driving power connecting/ disconnecting device by forming a working chamber from a number of rotary members and housing the viscous fluid and engaging a plurality of resisting plates and a casing with each rotary member in connection/disconnection abled state. CONSTITUTION:An outer case 3a is installed onto a ring gear 2 meshed with a drive pinio...

PURPOSE:To shorten the gear selection time and improve the drive feeling by returning a clutch by a small quantity to the connection side when the clutch is cut off to select the gear of a transmission and connecting the clutch after the selection of gear. CONSTITUTION:In a power transmission passage leading from an engine 1 to wheels, a clutch 3 is installed and is automatically controlled by a c...

PURPOSE:To effectively make the scrap wood contg. harmful matter harmless by melting the ash contg. harmful matter formed by burning scrap wood contg. harmful matter such as copper in an incinerator in the high-temp. furnace of copper producing equipment along with copper ore, and separating the harmful matter. CONSTITUTION:The chipped scrap wood 1 contg. harmful matter such as Cu is sent into an ...

PURPOSE:To perform stable vortex detection by prescribing the application position of vortex variation pressure in a main body. CONSTITUTION:The fluid which flows in the flow pipe main body 1 as shown by Q generates a circulating flow when flowing out of a vortex generation body 2 to generate sufficiently developed vortexes. The vortexes flow out of the vortex generation body 2 from its low side p...

PURPOSE:To additionally improve coercive force and corrosion resistance by forming a Cr layer as a 1st layer and a magnetic recording medium film of an Ni-Cr system or Co system as a 2nd layer on a nonmagnetic substrate. CONSTITUTION:The compsn. of the Cr layer formed as the 1st layer on the nonmagnetic substrate consists of <=10wt.% M1 which is (1) substantially Cr or (2)>=1 kinds among Cu, Nb, T...

The present invention refers to a cutting tool such as drills, reamers, threading tools and the like. The idea of the invention is that in the tool shaft (1) there has been provided channels (5) for cutting fluid, which channels lead into or near the helical grooves (3) in the web part (2) of the tool.

This invention relates to a process for producing closed cell phenol-formaldehyde foams using a mixture of Freon 113 and Freon 114 as the blowing agent. The specific blowing agent used improves the performance and processability of these foams.

What is disclosed is a foamable polymer composition comprising (A) a copolymer of 20-99.99 percent by weight of a member selected from the group consisting of acrylic acid and methacrylic acid, 0-79.99 percent by weight of a further ethylenically unsaturated monomer copolymerizable therewith, and 0.01-5 percent by weight of a member selected from the group consisting of metal salts of acrylic acid...

Masterbatches useful for lightweight polyamide molding or extrusion comprise polyamide, a pore-forming agent and a fusible binder that is compatible with the polyamide. Admixture of the masterbatch and granular polyamide polymer results in a polyamide composition which can be molded or extruded into a product having increased homogeneity and expansion uniformity.

Method for the preparation of aqueous, finely dispersed, shelf-stable silicone oil emulsions with the use of emulsifiers. Dimethyl polysiloxanes and 0.1-0.3 part by weight of emulsifiers, based on the dimethyl polysiloxanes, of a monoester or diester of orthophosphoric acid or mixtures thereof, are mixed, with agitation at temperatures of between 20 DEG and 150 DEG C. until a clear solution is o...

There is provided a thermoplastic plasticizer-resistant film comprising a blend of polyvinyl chloride and chlorinated polyethylene. Further, there is provided a pressure-sensitive film comprising a first layer consisting of the above blend of polyvinyl chloride and chlorinated polyethylene and a second layer consisting of a plasticizer-resistant, pressure-sensitive adhesive. The adhesive includes ...

PURPOSE:To provide a ceramic superconductor having a large critical current and a small resistance, even when the superconductive condition is broken, and prevent occurrence of quenching phenomenon by forming it from entangling metal wires containing specific metals chiefly and a ceramic sintered substance in specific perovskite structure, and by giving the volume fraction of these components a sp...

PURPOSE:To have a superconductive wire with high superconductivity and mechanical strength by dispersing specific compounds in a specific metal based matrix which is formed by covering a composite material wire of specific superconductor type with a specific metal layer, followed by heat diffusion process. CONSTITUTION:A composite material wire of Cu-Nb superconductor type is covered with a Sn lay...

PURPOSE:To enable the formation of a superconducting thin film on a semiconductor substrate or a glass substrate by a method wherein a MgO thin film, which is selectively oriented toward 111, 100, or 110 in an excellent reproductivity, is provided between a substrate and the superconducting thin film. CONSTITUTION:A MgO thin film is formed on a Si 100 substrate through a high frequency magnetron s...

This invention relates to a process for producing closed cell phenol-formaldehyde foams using a mixture of Freon 113 and Freon 114 as the blowing agent. The specific blowing agent used improves the performance and processability of these foams.

Self-extinguishing expandable polystyrene particles containing an expanding agent, a self-extinguishing organic halogen-containing compound and a 2,4,6-triamino-1,3,5-triazine derivative.

An inert, water-immiscible inert organic liquid having gas transport properties, water and a suitable emulsifying agent are formed into a stable gel by emulsifying a mixture of the same, concentrating the emulsion to form a gel phase and a liquid phase, and separating the two phases. The resulting gel can be used as an ointment or cosmetic for skin irritations or wounds, or as a coating in industr...