The invention relates to a sintered body for use in a cutting tool comprising a cutting edge forming part having particularly high hardness and wear resistance bonded to a supporting member having high plastic deformability, stiffness, transverse rupture strength, thermal conductivity, thermal expansion coefficient, resistance to corrosion, oxidization and the like, and to a method for producing t...

PURPOSE:To obtain a tower structure having excellent ice-crushing effect and a high stability by providing an ice crusher having an abacus bead-shaped appearance, a polygonal harizontal cross section, and a wedge-shaped vertical cross section in the neighborhood of the water level of a vertical strut. CONSTITUTION:In a mode of breaking flowing ice acting on a vertical strut 2 set on the seabed 5 i...

A dispenser cathode having a matrix of metal particles (10, 12) such as tungsten and molybdenum, formed into a self-supporting structure and impregnated (21) with melted alkaline earth aluminate (20) including at least barium oxide, provided as carbonate, and iridium and/or rhenium oxides, all mixed as a powder and fused (19) to form an interoxide compound. A klystron for use at microwave frequenc...

PURPOSE:To form feed coal which does not form dust and can produce coke of good quality, by vibrating powdered coal having a water content of 3wt% or below, separating fine coal powder and ultrafine coal powder, form lumped coal from ultrafine coal powder, and mixing it with fine coal powder. CONSTITUTION:Coarse coal powder in raw coal is selectively crushed. The water content of the resulting pow...

A novel process is described herein for the efficient production of N,N-diallyldichloroacetamide by reaction of diallylamine and dichloroacetyl chloride. The process comprises admixing an excess of diallylamine with sufficient strong aqueous sodium hydroxide such that at all times during the reaction, the pH of the reaction mixture remains above a pH of 10, then slowly adding dichloroacetyl chlori...

The process for manufacturing pneumatic tires comprises as essential step the manufacture of a tire body by winding cords or cables (3, 23, 35). The cord or cable is withdrawn from a supply reel (7) under constant tension and laid around and anchored to the bead cores (2; 22; 36; 39) arranged at both sides of the tire. In addition a peripherally extending belt is applied which again can be formed ...

PURPOSE:The titled composition having improved electric conductivity and expansion moldability and useful in the production of expanded products of any desired shape, such as sheet, block, wire, etc., prepared by adding electroconductive carbon black and an amide compound to a polyolefin resin. CONSTITUTION:A polyolefin resin composition for the production of electroconductive expanded products is...

Method for suctioning submerged bottom material with the aid of at least a suction pipe connected to a vessel, whereby said suction pipe is lowered from said vessel in an inclined or vertical position and an underpressure is created in said suction tube for suctioning a mixture of bottom material and water through the tube via one or more suction openings near the lower side of the suction tube. T...

A method for breaking out rock from a rock bottom under water, in which a cutting means having at least one pick is moved through the rock bottom. During the cutting procedure at least one water jet is directed from a nozzle towards the disintegrating zone in front of the pick rake surface and the starting energy of the jet is selected relative to the distance to be traversed through the water and...

Compositions hardenable by exposure to heat or electro-magnetic radiation are provided by blending from about 0% to about 50% by weight of an uncrosslinked polymer, from about 20% to about 66% of a polymerizable monomer capable of dissolving said polymer, from about 10% to about 70% of a crosslinked polymer in the form of discrete particles having average diameters of from 0.001 micron to about 50...

PURPOSE:To carry out complete combustion of solid fuels such as wood chips, barks, waste tires and the like by generating flame from an air feed port formed in the lateral direction in the furnace. CONSTITUTION:Primary combustion is carried out by air flowing out of an air outlet port 2a formed in a first air feed piep 2, and secondary combustion of the primary combustion gas is carried out at the...

A process and intermediates for preparing 6-(lower alkoxy)-5-(trifluoromethyl)-1-naphthalenecarboxylic acid derivatives are disclosed. The derivatives are useful for preparing aldose reductase inhibitors. With reference to the process, 1,1,1-trifluoro-5-(2-methylphenyl)-2,3-pentadione 3-oxime is cyclized to give a key intermediate 3,4-dihydro-1-hydroxy-5-methyl-1-(trifluoromethyl)-2(1H)-naphthalen...

A process for removing hydrogen sulfide from geothermal steam comprising adding free oxygen to the steam and contacting the steam with an oxidation catalyst at a pressure of at least 30 psig and a temperature not greater than the saturation temperature of the steam. The catalyst may comprise activated carbon, a refractory inorganic oxide or a metal phthalocyanine and is wetted with an aqueous solu...

Process for the treatment of dairy or casein factory whey, notably for the extraction of glycoproteins and sialic acid.

A method for the operation of a hydrodewaxing unit wherein a petroleum distillate is separated into two streams, one having a pour point of above about 30 DEG F, and the other having a pour point of less than about 30 DEG F., the 30 DEG F plus pour point fraction is treated in a hydrodewaxing unit with a ZSM-5 type catalyst under hydroprocessing conditions while the 30 DEG F. minus pour point port...

PURPOSE:To measure a winding ratio simply, easily and highly accurately by connecting different polarity terminals between the primary and secondary windings and connecting an oscillator to the remaining free terminals of these windings to find the ratio of voltages on both ends of the primary and secondary windings. CONSTITUTION:When different polarity terminals, one end (a) of the primary windin...

PURPOSE:To eliminate the operation which is done by a tester, by producing simulatively input informatioon by a computer and comparing the output information delivered from a display information process system in response to the input information with the storage within a computer. CONSTITUTION:A tester feeds a test executing procedure to a computer 6 through a keyboard 3a. Then a test start comma...

PURPOSE:To provide a compn. capable of forming a hydrophilic film excellent in durability, corrosion resistance and adhesion, by mixing an alkali metal silicate, a particulate hydrophilic silicic acid (salt), and a silane coupling agent or an ortho ester of a group IV transition element. CONSTITUTION:An alkali metal silicate, mol ratio of SiO2/Mn2O 2-5 (e.g., lithium silicate), a particulate hydro...

PURPOSE:To utilize effectively the flow of a pump and prevent the loss of energy by providing a divided flow valve in such a way as to apply the oil pressure of the second pump to the first pump according to the mevement amount more than a preset movement amount of a steering plunger. CONSTITUTION:An oil hydrulic device for steering purpose for an articulate type shovel loader, etc., consists of t...

PURPOSE:To obtain strength which is equivalent to or larger than a part other than a connecting part, by providing a reinforcing sleeve on a covering removed part of a connecting part of a covered optical fiber, also filling the inside of the reinforcing sleeve with resin, and forming the optical fiber, the reinforcing sleeve and the covering as one body. CONSTITUTION:Primary and secondary coverin...