PROBLEM TO BE SOLVED: To provide an epoxy resin composition for sealing a semiconductor, excellent in solder crack resistance, high temperature storability and flame resistance. SOLUTION: This epoxy resin composition for sealing a semiconductor is characterized by comprising (A) an epoxy resin, (B) a phenol resin, (C) a hardening accelerator (D) an inorganic filler and (E) a combination of melamin...

PROBLEM TO BE SOLVED: To obtain a dioxazine compound, while solving an environmental problem and increasing the yield of the product, by condensing a 3-amino-N- alkylcarbazole with chloranil and subjecting the resultant condensate to ring closure by use of an aryl alkyl ether as a reaction medium. SOLUTION: In the preparation of a dioxazine by ring-closure of a compound of formula I in the presenc...

PROBLEM TO BE SOLVED: To provide a coating film hardly suffering from re-dissolution when exposed to a rainfall soon after the application and improved in water resistance by compounding a main agent containing a specific synthetic resin emulsion and a curing agent containing a polyisocyanate. SOLUTION: With 100 pts.wt., in terms of solids, of a main agent containing a synthetic resin emulsion com...

PROBLEM TO BE SOLVED: To provide an interlayer insulating adhesive sheet satisfying the adhesivity at a relatively low temperature and high adhesivity, soldering heat- resistance and embedding property. SOLUTION: The objective interlayer insulating adhesive sheet has adhesive layers on both surfaces of a heat-resistant film and is bondable at a temp. of <250 deg.C. The sheet has an insulation resi...

PROBLEM TO BE SOLVED: To obtain a film for a tacky adhesive tape having characteristics of follow-up properties to curved surfaces and processability at the time of press-processing or the like equal to or higher than those of a vinyl chloride- based film and excellent in weather resistance. SOLUTION: This film substrate for a tacky adhesive tape comprises an acrylic or a methacrylic polymer and h...

PROBLEM TO BE SOLVED: To obtain a tacky adhesive composition having no problem of the environmental sanitation, safety and economy and having excellent coating workability, exhibiting excellent tackiness and useful as a packaging tacky adhesive tape, etc., by making the composition include a specific crosslinked polymer. SOLUTION: This composition contains a crosslinked polymer obtained by epoxy-c...

PROBLEM TO BE SOLVED: To provide a high corrosion resistance clad steel using an alloy excellent in general corrosion resistance in an acidic environment by the acid dew point in a coal combustion type plant and corrosion resistance in an Cl ion environment of high concn. in which Cl ions are condensed and concentrated into the water of dew condensation and also free from deterioration in corrosio...

PROBLEM TO BE SOLVED: To ensure the excellent joining strength with WC-Co or WC-Ni cemented carbide by allowing an alloy to contain C, W and Fe by respectively specified ratios, one or two kinds of Co and Ni by a specified ratio or above, and the balance inevitable impurities. SOLUTION: This alloy contains, by mass, 0.6 to 2.3% C, 9.3 to 34.7% W, >30 to 80% Fe and one or two kinds of Co and Ni by ...

PROBLEM TO BE SOLVED: To provide a two-wire type arc thermal spray device improved to spray the inside of a hole in an object without rotating the spray device or the object. SOLUTION: In the two-wire type arc spray extension device, a gas cap 12 has a plurality of openings 80 to receive the pressurized gas to generate the gas spray. Openings are arranged at correctly or substantially equal interv...

PROBLEM TO BE SOLVED: To provide a method for preventing the adhesion of a film forming material capable of preventing the adhesion of a film forming material to the non-film forming region in an object to be film-formed without exerting influence on the film formed on the surface of the object to be film-formed. SOLUTION: At the time of forming a film on the object 3 to be film-formed by a CVD me...

PROBLEM TO BE SOLVED: To provide a grout applying method in an exposed column base capable of increasing an amount of grouting at per unit time of grout for a void of a footing concrete downward of a base plate to improve work efficiency, at the same time, settling a problem resulting in failure of filling because of the commencement of local solidification before the whole lower surface of the ba...

PROBLEM TO BE SOLVED: To obtain the sufficient washing feeling by providing a detecting means for detecting coming close of a human body to a human body washing device, a control unit for starting a washing water heating means with the coming-close signal from the detecting means, and a pulse generating means for giving the pulse to the washing water flowing in a water supply passage. SOLUTION: Wa...

PROBLEM TO BE SOLVED: To provide a peripheral cover being simply disassembled and assembled. SOLUTION: The first peripheral cover 1 and the second peripheral cover 2 in which steel plates in required thickness are formed in required shapes and formed in connectable structure are connected and a cover 5 for a corner in an L-shaped section with a fold-back as required, the upper ends of the covers a...

PROBLEM TO BE SOLVED: To use air, which has been used for cooling a bucket blade, for cooling an upper shroud by radially extending the front edge and rear edge cooling hole groups of a cooling passage in a moving blade or a blade, and communicating the group holes with a common chamber or a plenum in an upper shroud. SOLUTION: A blade part 30 has a first set of cooling holes 34, extending in the ...

PROBLEM TO BE SOLVED: To improve blade cooling of turbine blades or vanes at the vicinity of the tailing edge or the like. SOLUTION: A turbine blade comprises a first and a second side walls 20, 22. These sidewalls 20, 22 are connected to each other at a leading edge and a tailing edge 26, apart from each other and determine a first cavity 34 and a second cavity 36 separated by a partition wall 38...

PROBLEM TO BE SOLVED: To efficiently improve durability, regardless of the difference of the temperature states by each part. SOLUTION: Intake air passing through a compressor impeller 12 in the operation of a turbocharger is thermally insulated and compressed by a compressor blade 12, and the temperature rises toward the discharge side, and therefore the temperature of the outer peripheral part t...

On décrit un procédé et un dispositif de régulation thermique des lits fluidisés ou mobiles de catalyseur, le dispositif comportant un échangeur de chaleur à lit fluidisé ou mobile. Selon l'invention on fait circuler un solide pulvérulent essentiellement à la base d'une enceinte dans un échangeur de chaleur comportant une cloison interne de séparation qui définit deux compartiments allongés et adj...

Apparatus and method for on-line precipitation comprising a flow line including a vortex mixer for combining and mixing reagent flows. The admixed reagent flows are pulsed through an array of vortex cells to cause developement and growth of precipitate as the pulsed flow swirls through the array of cells with constantly reversing rotational direction. Precipitate in the flow from the array can be ...

Patente de Invenção: "REATOR DE LEITO FLUIDIZADO PARA AMOXIDAçãO DE HIDROCARBONETOS". Esta invenção refere-se a um reator de leito fluidizado para amoxidação de hidrocarbonetos, com partes internas instaladas dentro do leito fluidizado, capaz de melhorar a eficiência de contato entre as fases gasosa e sólida e compreendendo recheios, defletores, placas perfuradas, telas e assemelhados. O dit...

"PALLET MODULAR DE MATERIAL PLáSTICO", compreendendo uma pluralidade de elementos de suporte (2, 3) operativamente acoplados entre si por pelo menos um outro elemento transversal (4) arranjado transversalmente com relação aos ditos elementos de suporte, o elemento arranjado transversalmente incluindo uma pluralidade de recessos (11) para engatar, no seu interior, um ou mais elementos de reforço es...