A synthetic lubricating fluid comprising at least one ester or its derivative represented by the formula wherein: n is an integer of 0 to 5 and m is an integer of 0 to 5, with the proviso that the sum of n + m is 1 to 10 inclusive; R1 is independently selected from hydrogen and C1 to C8 alkyl groups, and R2 is independently selected from hydrogen and C1 to C3 alkyl groups.

PCT No. PCT/US91/01906 Sec. 371 Date Oct. 13, 1992 Sec. 102(e) Date Oct. 13, 1992 PCT Filed Mar. 21, 1991 PCT Pub. No. WO91/14573 PCT Pub. Date Oct. 3, 1991Tires using high tensile reinforcement with values of at least 1240N (280 lbs) for U+T type cord and at least 2000N (450 lbs) for bunched type cord.

PCT No. PCT/US91/01906 Sec. 371 Date Oct. 13, 1992 Sec. 102(e) Date Oct. 13, 1992 PCT Filed Mar. 21, 1991 PCT Pub. No. WO91/14573 PCT Pub. Date Oct. 3, 1991Tires using high tensile reinforcement with values of at least 1240N (280 lbs) for U+T type cord and at least 2000N (450 lbs) for bunched type cord.

A catalyst is comprised of a catalyst carrier (2; 6) and a coat layer (3, 4; 7) containing cerium particles, active alumina particles and a catalyst component of a noble metal; and barium oxide is immobilized on the cerium oxide particles. The catalyst can suppress the growth of crystals of cerium oxide due to the immobilization of the barium oxide thereon, thereby improving heat resistance of the...

A catalyst for purification of exhaust gases, comprising a support substrate, a catalyst carrier layer formed on the support substrate and catalyst ingredients loaded on the catalyst carrier layer, wherein the catalyst carrier layer comprises alumina, cerium oxide, zirconium oxide and at least one oxide of rare earth element except cerium and lanthanum, and at least a part of cerium oxide, zirconi...

PCT No. PCT/DE88/00607 Sec. 371 Date Apr. 26, 1990 Sec. 102(e) Date Apr. 26, 1990 PCT Filed Sep. 29, 1988 PCT Pub. No. WO89/04544 PCT Pub. Date May 18, 1989.A locking device (6) which is provided in particular for vacuum contactors prevents an unintentional closing of the contact due to arbitrary mechanical influence as long as the electromagnetic actuator (1) is not excited. This takes place by m...

PURPOSE:To improve the energy density and to reduce the self discharge rate of a cell by adding specified wt.% of specified rubber as a binding agent of the negative electrode. CONSTITUTION:An alloy of Na and Pb of 2.3 to 1.0 in atomic ratio obtained as negative electrode active material by a melting process under argon atmosphere is pulverized to fine grains of less then 150mum in diameter. EPDM ...

PURPOSE:To enhance charging/discharging cyclic characteristics by making up a negative electrode from metal oxide which discharges and/or absorbs lithium when a cell is charged and/or discharged respectively, and also making up a positive electrode from metal oxide containing lithium high in electric potential. CONSTITUTION:LiCoO2 as positive electrode active material, carbon powder and aqueous di...

PURPOSE:To enhance cyclic characteristics by making up a positive electrode from specified composite oxide. CONSTITUTION:A positive electrode is made up from NaNi oxide represented by formula I in such a way as to be formed into powder the particle size of which is less than 50mum in particular while being mixed with conductive material and bonding material. The content of positive electrode activ...

There is provided a process and apparatus for making, preferably continuously, a catalytic converter element of core especially adapted for the treatment of exhaust from an internal combustion engine, whether spark or compression ignited. The converter element may be a fan-folded or accordion folded thin metal strip or a spirally wound element which carries strongly adhered to the surface thereof ...

An automatic floor-leaning and floor-treating machine having improved brush-pressure control, said machine comprising a body (1) which is supported on wheels (2, 3) and one or more rotating brushes (4), said brushes (4) being mounted on one side of a frame (5) which can be pivoted relative to the body, the other side of the frame beyond the center of rotation being connected to one end of a spring...

A process of hot pressing of materials to form articles or compacts is characterized by the steps: (A) providing a compactable particulate mixture; (B) uniaxially pressing the particles without heating to provide article or compact (22); (C) placing at least one article or compact (22) in an open pan (31) having an insertable frame (32) with edge surfaces (34) that are not significantly pressure d...

Air is purified by adsorption to remove water vapour and carbon dioxide therefrom. An adsorbent vessel 30 contains a bed of adsorbent particles having four discrete regions or layers, 34, 38, 42 and 46, the layer 34 being contiguous to an inlet for air to be purified and the layer 46 being contiguous to an outlet for purified air. The layers 34 and 38 comprise particles of alumina or other adsorbe...

An improvement in the dry vacuum cleaning of soft and hard surfaces in which vacuum only is applied to such surface, is characterised in that dry soil flowing away from such surface under the influence of vacuum is sprayed with liquid and deposited in a wetted condition in a liquid and soil-collecting vessel. Also proposed is apparatus for cleaning hard and soft surfaces by simultaneous appli...

Asymmetric semipermeable membrane and processes for the manufacture of this membrane. This membrane is based on at least one hydrophobic polymer and at least one copolymer based on acrylonitrile, at least one sulphonic monomer optionally in salt form and optionally at least one nonionic and ionisable, olefinically unsaturated monomer. The membrane according to the invention is employed f...

A rotary index apparatus for treating an article at predetermined positions while the article is conveyed, has an indexing conveyor unit (X; X min ) with a plurality work support tables (54; 170), a rotary disk unit (Y; Y min ) rotated at a constant speed and having a plurality of swinging arms (32; 140, 150, 160) at its periphery for provision of an intermittent motion to the work support tables ...

A pie dividing assembly adapted to be inserted into a conventional circular pie pan once it is covered with a bottom sheet or layer of pie dough for separating the pie into a plurality of separate and distinct pie sections, preferably two, each adapted to receive a different and distinct pie filling therein before an optional top layer or cover of pie dough is placed thereover and the pie baked. N...