La presente invención se refiere a un componente conductor caracterizado en que el componente se reviste con una capa delgada de una perovskita de óxido de metal resitente al ácido sulfúrico, conductor, en donde el componente es un electrodo, y el óxido de metal consiste esencialmente de un compuesto de la fórmula AaBbOc, en donde A es Sr, Ba, Zn, Cd, o Ra, B es Zr, Sn, o Pb, 0.5 a 1, 0.5 b z ...

A machine for cleaning cops or supports (4) of spools of thread for the textile industry comprising means (3) for axially locking the cop or support of a spool to be cleaned and means (5) for scraping the residual thread (6) wound on the cop or support (4). The scraping means (5) are movable along the lateral surface of the cop or support (4) along a direction which has a component that is axial w...

A system is provided for conveying fluid lubricant forwardly to lubricate a forward bearing support member (26) of a vehicular tandem axle assembly (100). The system includes a first open-sided trough (38) in to which the fluid lubricant is deposited by a differential gear assembly (14). Trough (38) is in fluid communication with a second open-sided trough (40) that slopes forwardly and downwardly...

A tyre which is provided on a sidewall with an embossed mark (3) , the embossed mark has an indent portion (5) and an outline portion (6), the outline portion has a top surface (6A) having a light colour different from a dark colour of the light colour different from a dark colour of the sidewall surface (2S) ,the bottom (5A) of the indent portion is provided with a rough surface to have a less lu...

Apparatus for producing a metal powder includes a cooled hearth structure in which a metallic alloy is melted and a heat source above the hearth positioned to heat the melt in the hearth. The cooling of the hearth causes a protective hearth skull to form between the melt and the hearth itself. The hearth is placed within an environmental control chamber. A supply structure provides a continuous su...

Lead free shotshell pellets are disclosed which consist essentially of an alloy of iron and 30 to 46% by weight of tungsten. The shotshells may include a plurality of pellet sizes, and the pellets may be coated substantially uniformly with a polymeric coating, resin, or lubricant.

The invention relates to flame-retardant rigid polyurethane foams produced using halogenated polyetherpolyols and at least one blowing agent chosen from 1,1-dichloro-1-fluoroethane and 1,1,1-trifluoro-2,2-dichloroethane in the presence of ethylene glycol. It also relates to compositions intended for their manufacture and to a process for manufacturing them. The rigid foams according to the inventi...

The present invention relates to an improved process for producing, by means of a portable foaming apparatus having a static mixer, a polyurethane foam by reacting a reaction mixture comprised of a polyol, an organic isocyanate, a foaming/frothing agent, and a reaction catalyst, the improvement comprising employing monochlorodifluoromethane as the sole blowing/frothing agent in said reaction in or...

A glass antenna for a telephone of an automobile which comprises a main antenna conductor composed of a plurality of conductive strips extended radially from a junction, the outline shape of which is substantially a triangle or a sector. An insular earth conductor is disposed opposing the junction of the main antenna conductor and is disconnected with the main antenna conductor with respect to dir...

La presente invención se refiere a un método para la fabricación de hojas de resina termoplástica, que comprende extruir la resina termoplástica fundida a una velocidad de extrusión V, a través de una hendidura provista en el molde de extrusión, para así formar hojas de resina termoplástica con superficies realzadas; donde la resina termoplástica es extruída desde la hendidura en el molde de extru...

A connector for connecting the confronting ends of tubing sections. The connector includes a connector body having an opening therein which extends therethrough along a longitudinal axis of the housing. The housing includes a first end for connection to the confronting end of a first tubing section. A first annular chamber is provided in the housing between the first end and the second end of the ...

In the embodiment, the entire cylindrical surface of a cylindrical object such as a cigarette is optically inspected by first inspecting at least 180 DEG of the circumference of a first side of the surface, and then inspecting at least 180 DEG of the circumference of the other side. Each of the inspection stations illuminates more than 180 DEG of the circumference and images the surface from tw...

The invention provides an arrangement for driving in rotation two transmission shafts (18) of a motor-driven road vehicle, each connected to a wheel of the same axle, characterised in that each of the two transmission shafts (18) is connected to the engine unit (10) of the vehicle by means of a device (22) allowing a variable slip between its input member (40) and its output member (36), and means...

Waxes and polymeric waxes can graft with a coupling agent by employing a radical process. The resulted grafted waxes can be applied: 1. For Coating and bonding with surfaces of materials to be applied as water-proofing antirust and reinforcing fillers. 2. As enhancing coupling agent to bond with plastics, rubber and asphalt. 3. As adhesive materials.

The bond strength between a diamond and the substrate onto which it is deposited by the chemical vaporization method is decreased to the point where the diamond can be removed from the substrate as a free standing monolithic sheet. The bond strength can be decreased by polishing the substrate, removing corners from the substrate, slow cooling of the substrate after deposition, an intermediate temp...

A method for treating the sludge from industrial wastewater streams which contain soluble metals by adding to the sludge an effective amount of a metal complexing agent sufficient to inhibit leaching of the metal from the sludge solids into the environment. The metal complexing agents comprise diethylcarbamate, dimethyldithiocarbamate, and sodium trithiocarbonate or salts thereof.

The composite material having improved toughness is produced by preparing a laminate from reinforcing fibers and a thermoplastic resin; heating the laminate at a temperature higher than a melting point of the thermoplastic resin under pressure; quenching the composite material at an initial cooling rate of 100 DEG C./min or more, thereby providing the PEEK in the resulting composite material with...

Processes for producing oriented films of semicrystalline thermoplastic polymers, such as polyimides, and films produced thereby are disclosed. One process includes partial crystallization or imidization, orientation and further crystallization or imidization. Another process includes rendering a film of semicrystalline thermoplastic polymer amorphous, orienting the film and introducing crystallin...

A process for preparing shaped polybenzimidazole sintered products having increased resistance to dimensional modification by absorption of water and the products prepared therefrom.