A decanter centrifuge comprises a drum (1) with a conveyor (2) containing an inlet (4). The liquid to be separated flows in a jet centrally into the inlet (4) towards an end wall (11), at which the liquid is radially distributed and flows axially onwards towards the second end wall (13) through an area of the inlet (4) free of members imparting an angular velocity to the liquid. The inlet (4) is p...

PCT No. PCT/AU88/00028 Sec. 371 Date Jun. 28, 1989 Sec. 102(e) Date Jun. 28, 1989 PCT Filed Jan. 15, 1988 PCT Pub. No. WO88/05340 PCT Pub. Date Jul. 28, 1988.A mill is used to break up ores or gravel in which gold particles are to be found. The mill comprises an outer casing in which an internal housing is located. Within the internal housing is a rotor which rotates at about 1000-15000 rpm. The r...

An electromagnetically actuatable valve having a connection fitting serving as a core and on which a magnet coil is disposed, is produced with a non-bulky valve housing of ferromagnetic metal. This valve housing is simple to manufacture with a reduced external valve size. The valve is provided with a plastic sheathing that surrounds not only a connection fitting but also a magnet coil and at least...

A laser microsurgical method and apparatus are disclosed for safely treating occluded body lumens with laser energy. The disclosed method involves the use of pulsed laser energy from an argon-ion laser to destroy the tissue of luminal occlusions, such as atheromatous plaque and the like, with substantially no thermal necrosis of the surrounding tissue. A flexible catheter and associated laser micr...

A system for carrying articles includes belt structure and at least one detachably connectable carrying structure such as a pouch. The pouch includes direct attachment structure for securing the pouch to the belt. Loop structure on the pouch is adapted to encircle the belt whereby if the direct attachment structure becom es disengaged, the indirect attachment structure will hold the pouch to the b...

The present invention is directed to a polyester film comprising at least at its surface portion oriented sulfonic acid groups and/or salts thereof with an orientation degree of 5 - 100, which has an excellent adhesiveness, especially excellent anti-alkaline adhesiveness. The present invention also make it possible to provide a polyester film having, in addition to the excellent adhesiveness, exce...

An apparatus for examining the surface of a substrate comprises irradiating means for supplying a light beam which scans the surface of the substrate, first and second light-receiving means for individually receiving scattered lights travelling in different first and second directions from the surface of the substrate and individually producing first and second output signals conforming to the int...

This invention relates to a running control apparatus and method for calculating the running positions and directions of the automatic guided vehicle in response to detected outputs of the magnetic field intensity of magnets arranged at fixed points on the running course in two-dimension by being detected for several times at a predetermined timing by a plurality of magnetic detecting elements whi...

The present invention comprises a simple multi-purpose on-line system for monitoring the concentration and/or the total amount of an organic analyte species or inorganic analyte species in an aqueous solution. The on-line detection system comprises a detection column and a sensor mounted around the detection column. The sensor consists of an electromagnetic radiation source (typically a light sour...

Hydrocarbons, particularly gas oil, are cracked to products boiling in the motor fuel range by using a catalyst mixture comprising zeolite Y and zeolite L. The catalyst of this invention fuel having an increased octane number and suffering a smaller penalty with regard to yield relative to other octane additive systems.

The present invention relates to a process and a reactor for low pressure catalytic reforming of gasolines with heating by smoke gases. The reactor of the invention comprises: at least one means for introducing and removing the charge, at least one means for introducing and removing the catalyst, at least two elementary reaction cells not adjacent each other, substantially vertical and parallelepi...

PURPOSE:To obtain an economic solid fuel with high hardness generating far infrared rays, free from generation of flame or odor and capable of providing fire lasting long by forming and solidifying a mixture of powdery charcoal and coke with respectively specified particle sizes in a specified mixture ratio using a hydraulic inorganic material as a binder. CONSTITUTION:To (A) 100 pts.wt. mixture o...

A cotton candy making apparatus includes a hollow rotary member to be rotated, the rotary member being provided with a supply port for supplying sugar to the interior thereof and path for delivering molten sugar to a peripheral edge of the rotary member, a heating device located below the rotary member to heat the rotary member and hence heat and melt sugar in the rotary member, a fan for producin...

A method of constructing a distribution transformer of the type having a magnetic circuit in the form of one or more hollow coils and having primary and secondary windings by coiling an electrically insulated wire. The wires are then juxtaposed to form primary and secondary windings while interposing a flat insulating sheet material between adjacent coils. A cooling liquid is associated with the p...

A process for coating polycarbonate substrates with UV curable coatings comprising cooling the UV curable coating to a temperature of below 40 DEG F., maintaining the dew point of the surrounding atmosphere such that essentially no moisture condenses on the substrate, applying the cooled coating to the substrate and curing the coating to the substrate with ultraviolet radiation.

A composite, microscopically transparent, porous membrane is formed from a porous polytetrafluoroethylene membrane having desired bulk properties on which is directly coated a cross-linked polymer having desired surface properties. The composite membrane retains the porosity of the porous polymeric membrane.

A combination of 10-80% by volume of reinforcing fibres and 20-90% by volume of thermoplastic fibres or films suitable to be formed into a composite structure, the thermoplastic fibres or films essentially consisting of an amorphous copolyamide built up of units derived from at least two different dicarboxylic acids and at least two different diamines, of which the divalent aromatic radicals are l...

By compressing and heat curing a non-resilient, non-flexible recurable material formed by subjecting cured polyimide foam to the action of pressurized steam, a wide variety of useful articles may be produced. These include tough, flame-resistant plastic films, sheets, panels, boards, and shapes in general; composites (both reinforced and unreinforced); and laminates and other articles in which sep...

Disclosed herein are pinhole-free, ultrathin, free-standing cellulose ester films having thicknesses of 400 angstroms or less and a process to prepare them. The films find particular utility in separatory applications.