The present invention relates to batteries and battery systems. In particular, a battery is described which comprises a container which houses a plurality of cells. Each of the cells share a common negative terminal (4). Two or more positive terminal cells are provided. The specification also describes the use of such batteries to power cranking and auxiliary circuits according to a cell discharge...

Gas supply passages can be formed accurately in a ceramic member by a ceramic member machining method comprising irradiating laser beams to a ceramic member thereby forming gas supply passages in the member.

The invention relates to a reel of wire, string, rope or the like, of spherical, cylindrical or similar shape, which unwinds from the inside. This reel (1) is characterised in that it includes means (6) capable of preventing its deformation during unwinding, these means (6) also constituting means for gripping the said reel (1). The present invention will apply to the field of the manufacture of w...

A process for the production of foams with the aid of blowing agents containing fluoroalkanes and fluorinated ethers, and the foams obtainable by this process. The invention relates to a process for the production of foams based on polyisocyanates by reaction of polyisocyanates, compounds containing at least two hydrogen atoms which are reactive towards isocyanate groups, blowing agents and o...

In a method for making a molded polyurethane article having a nonwoven material secured to the article's surface which comprises placing the nonwoven material on the internal surface of a mold, adding and foaming a polyurethane composition in the mold and recovering the molded polyurethane article with the nonwoven material attached to the surface of the article, the improvement which comprises co...

PURPOSE:To highly accurately measure the layer thickness of a liquid crystal (LC) layer in the sealing state of LC in an LC cell by finding out the LC layer thickness based upon the wavelength dependency of the intensity of transmitted light through the LC cell. CONSTITUTION:Light A whose wavelength is to be changed from a long wave length to a short wavelength is made incident upon the LC cell 11...

PCT No. PCT/CA90/00172 Sec. 371 Date Oct. 28, 1992 Sec. 102(e) Date Oct. 28, 1992 PCT Filed May 28, 1990 PCT Pub. No. WO91/19186 PCT Pub. Date Dec. 12, 1991.An optical scanner includes a light source (39) which directs a beam of light at a web of moving paper whereby the beam of light is transmitted through the web of moving paper. The transmitted beam (43) is split by a beam splitter (19) to prov...

A limited slip differential, comprising a housing (10), two bevel side gears (15, 16), clutch assemblies (21, 22) disposed between the outermost ends of the side gears and the housing, two bevel planet gears (23, 24), thrust members (32) engaging the side gears, and spring means (37) operating on the thrust members to urge them into engagement with the side gears and cause frictional engagement in...

PURPOSE:To enable to make critical temperature and critical current higher by holding a temperature for a while, when the temperature reaches 800 deg.C or thereabout in a temperature rising process and thereafter by baking a superconductive material at 850 deg.C or thereabout. CONSTITUTION:An oxide being the raw material of a superconductive material is accumulated on a substrate by sputtering pro...

Generally closed cell phenolic foams are prepared which have a K-factor of less than 0.029, watt/(m.K) preferably from 0.017 to 0.024 watt/(m.K) of foam thickness when mesured at 24 Centrigrade. The foams are prepared from a resole resin which has been stripped to a water level of less than 7 percent by weight, preferably from 3 to about 6 percent by weight based on resin weight. A viscosity ad...

The composition comprises, by weight, 0.5 to 3 parts of mercaptobenzothiazole, 0.5 to 3 parts of tetramethylthiuram disulphide, 3 to 5 parts of zinc oxide, 1 to 3 parts of stearic acid, 1 to 4 parts of antioxidant and 1 to 5 parts of a vulcanising agent made up of 0 to 100% of sublimed sulphur, 0 to 75% of 4,4'-dithiomorpholine and 0 to 50% of benzothiazylsulphenemorpholide, the ratio of the latte...

For controlling a motor vehicle friction clutch (3) which is operated by an actuating drive (7) during parking maneuvers, an output adjusting device (19) of the internal combustion engine (1) is unaffected over a limited initial pedal travel ( alpha 0) of the accelerator pedal (17). According to the pedal position at any given time, the actuating drive (7) of the clutch (3) is controlled within th...

A method to make a silicone foam. A layer of crystalline material is embedded in a layer of uncured silicone. The crystalline material is closely packed in crystal-to-crystal contact, the crystals being provided in a plurality of sizes or ranges of size to increase the packing ratio of the crystals as a group. The silicone is cured and then the crystals are dissolved out with a solvent that dissol...

A cushioning structure improved in impact resilience, compression endurance and compression recovery and free from the impression of bottoming, comprising a matrix and elastic composite fibers made from thermoplastic elastomer dispersed therein, wherein amoeboid, omnidirectionally flexible thermal fusion points formed at the intersections of the composite fibers with each other and quasi-omnidirec...

Compositions of water soluble polymers coated with hydrophobic fumed silica are readily dispersed in water. A method for improving the water dispersibility of a water soluble polymer is disclosed.

Compositions of water soluble polymers coated with hydrophobic fumed silica are readily dispersed in water. A method for improving the water dispersibility of a water soluble polymer is disclosed.

PURPOSE:To enhance electrodeposition painting properties and corrosion resistance by dissolving a specific amount of hydrophilic polyamine and/or a polyimine resin in a resin solution for forming a topcoating film. CONSTITUTION:A chromate film being a lower layer and a dry film being an upper layer having a thickness of 0.2-6mum formed from a paint composition wherein three components A, B, C are ...

Retinoids of the formula R1-OCH(R2)OC(O)R3 wherein R1 signifies 13-cis-retinoyl, R2 signifies hydrogen or lower-alkyl and R3 signifies straight-chain lower-alkyl can be used as medicaments in the case of dermatological disorders.

A finely dispersed polyisocyanate in the form of an emulsion in water or by spraying is mixed with a Portland cement mortar or concrete during the working, the quantity of emulsion or of dispersion employed being chosen to add a weight of polyisocyanate of between 0.5 and 5% of the weight of cement, and the mixture is used. An endogenic carbonation of the concrete is thus ensured, and this reduces...

Heterocyclic N-substituted derivatives of formula (I) and their salts are new. R1, R2 = H, 1-6C alkyl, 1-4C alkoxy, NH2, NH2CH2-, COOH, (1-4C alkoxy)carbonyl, CN, tetrazolyl, methyltetrazolyl, methylsulphonylamino, trifluoromethyl sulphonylamino(methyl), N-cyanoacetamide, N-hydroxy- acetamide, N-((4-carboxy)-1, 3-thiazol-2-yl) acetamido, ureido, 2-cyanoguanidinocarbonyl, 2-cyano-guanidino-methyl, ...