PURPOSE:To execute speed change by installing a speed change control circuit which receives a control signal from a control circuit and transmits a speed change control signal into an automatic variable transmission and judging the speed change timing on the basis of the characteristic data such as engine output characteristic data, fuel consumption characteristic data, etc. CONSTITUTION:The trave...

High RV nylon 66 flat yarns having specified filament deniers afford superior fabric properties. The yarns also provide superior spinning performance.

ALKYL PHENOL ETHER OF POLYETHYLENE GLYCOL AS STABILIZER OF AIR FRESHENER Compositions of fragrance oils are stabilized with respect to potency and aesthetic quality toward the effects of heat and age by including in the formulations a quantity of alkylphenol ethers of polyethylene glycol, or more specifically, alkyl phenoxy polyethoxy ethanols wherein the polyether chain averages from 5 to 13 mole...

In the manufacture of flexible polyurethane foam from a polyol having at least two reactive hydrogen atoms as determined by the Zerewitinoff method, a polyfunctional isocyanate and a blowing agent using a polymerization or gel catalyst and a blowing catalyst the blowing agent comprises water and from 10 to 90% of methylene chloride, the polymerization or gel catalyst is chosen from organic and ino...

A pneumatic tire and a method of constructing a tire bead for the same, in which the tire has a bead portion which is reinforced by a bead core of wire running around the bead portion and the wire is housed in a circular elastomeric support which forms a cradle in which the wire is located. The bead can be made by winding wire around the preformed elastomeric cradle.

The instant invention is directed to a process for dissociating cellular and non-cellular polyurethane resins into re-usable starting products for the isocyanate polyaddition process, wherein the polyurethane is reacted with associates of lactams and adduct-formers having at least two Zerewitinoff-active hydrogen atoms at from 150 DEG to 250 DEG C., optionally at elevated pressure, the improveme...

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 ...

In a mortar comprising an inorganic binder, water and a sulphonated phenol condensation product modifier therefor, the improvement wherein said condensation product comprises a formaldehyde condensation product of a phenol wherein at least about 40% of the phenolic OH groups are etherified with an alkylating agent, the condensation product being present in about 0.05 to 5% by weight of the binder....

PURPOSE:To stabilize the gap between a shoe and a drum gear, by changing the set position of an adjusting spring to eliminate undesirable elongation and contraction of the spring. CONSTITUTION:A piston fitted in a wheel cylinder 1 is attached thereon with an adjusting wheel 33 and an adjusting bolt 32, and as well is secured thereto with one end of a coupling piece 22. An adjusting lever 23 which ...

A process for the improvement of the adhesion to rubber or a thermoplastic elastomer of synthetic yarns, cords or fabrics made therefrom by applying thereto an adhesive consisting of an aqueous solution or dispersion of a polyurethane with ionic groups, capped isocyanate groups and groups with a Zerewitinoff-active H atom, followed by drying the product thus treated. The polyurethane corresponds t...

The transmission includes a rotary shaft for transmitting drive to driving wheels of the vehicle, a fixed gearbox casing and a hill holder between the shaft and the gearbox casing. The hill holder, when operative, inhibits reverse movement of the vehicle and includes in series a sprag clutch and a multiplate brake. Fluid is supplied from a fluid operable control system for operating the brake and ...

This invention is directed to gels which are stable in storage, comprising a polymer matrix, a liquid dispersing agent embedded therein and optionally fillers or additives, characterized in that said polymer matrix is a polycondensation product of aldehydes and aminoplast-formers, at least 30% by weight of the aminoplast-formers having a molecular weight of between 200 and 10,000 and containing at...

A method of simultaneously manufacturing semiconductor regions having different doping concentrations, for example, for obtaining semiconductor resistors having differences values. Due to difference in the rate of oxidation, oxide edges of different widths can be formed by oxidation of n-type silicon regions thus obtained. According to the invention, ion implantation or deposition takes place thro...

A paste composition which is used in the preparation of dental impression compositions containing: (a) at least 100 ppm by weight, based on the weight of the paste composition of platinum calculated as the element; (b) 35 to 75 percent by weight, based on the weight of the paste composition, of a diorganopolysiloxane which contains at least 2 SiC-bonded vinyl groups per molecule and has a viscosit...

This invention relates to an additive combination, for water-containing, setting building materials, in particular those of cement, based on an anionic polyelectrolyte, and including at least one nonionic, low-foaming surfactant. The invention also relates to a process for plasticizing water-containing, setting building materials.

Zener diodes and other semiconductor junctions having very low noise characteristics and improved yield may be obtained by first ion implanting a suitable impurity into a substrate wafer, and then forming the p-n junction using a very rapid thermal activation and annealing process. For p-n junctions formed with boron (11B) implanted into n-type silicon to a peak concentration exceeding 1020 atoms/...