PURPOSE:To obtain an electromagnetic power supply device wherein damage prevention of abutting end surfaces and gap loss reduction are possible. CONSTITUTION:A primary core is made to abut against a secondary core, and a magnetic circuit having a gap is formed. AC power is transmitted from a primary coil to a secondary coil. Magnetic material parts 6, 7 stuck to at least one abutting end surface o...

A method for separating and concentrating charged species from uncharged or neutral species regardless of size differential. The method uses reversible electric field induced retention of charged species, that can include molecules and molecular aggregates such as dimers, polymers, multimers, colloids, micelles, and liposomes, in volumes and on surfaces of porous materials. The retained charged sp...

PURPOSE:To obtain an antimicrobial gypsum product at a low cost which is nontoxic, has an antimicrobial effect, mildewproof effect and decomposing effect for org. matter, shows little coloring or discoloring, and can easily be handled, by mixing zinc oxide fine particles in gypsum. CONSTITUTION:Gypsum of 55-99wt.% and 50-1wt.% zinc oxide fine particles having <0.5mum particle size and >=19.5m<2>/g...

Disclosed is a binary optical transmission system for transmitting and receiving a target transmit data to be transmitted as a binary optical transmit data composed of luminous part and non-luminous part, wherein the target transmit data is transmitted and received by a coding to use a transmission code that the ratio of time of luminous part to time of non-luminous part in a time section longer t...

The device for rapid tool coupling and release on tool arms comprises a first rapid-attachment organ (3) associated to a tool arm (1) and is provided with at least one tooth (40) and with hollow coupling seatings (5) destined to couple in seatings (6) and also with at least one pivot (7) predisposed on the tool. The rapid-attachment organ (3) is provided with at least a portion of coupling surface...

This new equipment thermoforms plastic. This takes the form of either panels or sections of a sheet band. Differential pressure is employed. The forming station has a table, deep-drawing mould and a pair of clamping frames. In the new design, one clamping frame (7) has openings (27, 32) all around it, which are connected to a pressure source at intervals, producing a cooling air efflux.

Sandwich provided with at least one layer of a zeolite containing concrete product. The favourable properties of the zeolite-containing concrete product, more in particular the good thermal insulation, a good fire resistance and a low specific mass are remained in the sandwich. The additional layers in the sandwich construction compensate the less favourable properties, like the absorption of wate...

A method of manufacturing a lead frame (1) from a metal plate, wherein outer leads (4) of the lead frame (1) and outer portions (3b) of inner leads (3) are formed by etching metal plate (11). The inner portions (3a) of the inner leads are then laser beam machined with the connecting portions (7) left as they are so that the front end portions of the inner leads (3) are joined. A mechanical surface...

A computer processing system containing a plurality of processor elements operates on a statically compiled program which, based upon detected natural concurrencies in the basic blocks of the programs, includes intelligence regarding logical processor allocation and an instruction firing time in the instruction stream. Each processor element, in one embodiment, is context free and is capable of ex...

Hip prosthesis to restore articulation to a damaged or deteriorated hip, said prosthesis comprising a cotyloid component, or acetabulum cup, able to be housed inside the acetabulum of the hip, and a femoral component (10), constrained rotatably in the form of a spherical joint to said iliac component and able to be associated with the femur, said femoral component (10) comprising a stem (11), able...

A pressure regulator for vacuum assisted drainage of blood from a patient (1) during a surgical operation, during which the blood drained is transferred to a reservoir (2) in which a vacuum is produced by means of the pressure regulator, the pressure regulator being adapted to reduce a vacuum from a vacuum source to an underpressure with an adjustable set value in the range from 0-300 mm Hg, prefe...

Apparatus and method for placing corner protectors upon corner regions of loads or articles to be wrapped, banded, or otherwise packaged comprises a plurality of corner protector magazines and operatively associated corner protector pick-up arm and transfer assemblies which are divided into two groups of diagonally opposed magazines and pick-up arm and transfer assemblies wherein the two groups of...

A sleeve for a microwaveable food product has an internal layer of susceptor material adapted to heat the food product. The sleeve has openings (16) in the top and bottom surfaces to permit venting of water vapour from the food product during cooking.

A cement additive comprising a polycarboxylic acid type copolymer and/or a salt thereof and a polyalkylene glycol derivative, wherein said polycarboxylic acid type copolymer contains one or more species of copolymers composed of at least an unsaturated polyalkylene glycol type monomer and an unsaturated mono- or dicarboxylic acid type monomer as their monomer components. Concretes in which the add...

The invention provides a method of fracturing, including the provision and use of a fracturing fluid suspension containing an effective amount of a solid particulate breaker material having delayed breaking or degradation characteristics, additionally including an amount of durable fibers and/or platelets sufficient to enhance wellbore solids, such as proppant, transport. In a preferred aspect, so...

Disclosed is a biodegradable, injectable oligomer-polymer composition consisting of a combination of at least two biodegradable auxiliaries and at least one biologically active substance. The inventive oligomer-polymer composition coagulates when it is injected into the body of a mammal and forms an implant. The biologically active substance is released from said implant. The release rate can be a...

A disposable medical syringe apparatus with retractable needle is disclosed. The spent needle, or other similar medical sharps device, affixed to a detachable needle hub on the syringe barrel may be safely encapsulated and disposed by a simple, one handed operation, and, both the needle and the syringe apparatus are rendered useless for any subsequent operation. The invention is comprised of two p...

Erythromycin derivs. of formula (I) and their acid addn. salts are new: wavy line indicates 10(R) or 10(S) methyl; R1, R2 = H or up to 24C opt. unsatd. hydrocarbyl (opt. interrupted by 1 or more heteroatoms and opt. carrying 1 or more functional gps.); or R1 + R2 = a heterocycle, opt. with 1 or more additional heteroatoms (N, O and/or S); or R1 + R2 = a gp. of formula (i); R1', R2' = H or up to 23...

Ä(1'R),2R,3S,4S,5R,6R,9R,11R,12R,14RÜ-11-(1'-hydroxypropyl)-2,4,6,8,11 ,14-hexamethyl-10,13,15-trioxatricycloÄ9.2.1.1<9.6>Ü pentadecan-1-one derivatives of formula (I) and their salts are new: R<1> = H or Me.

A compound having the formula (IV) wherein Z is CH2-N(CH3), N(CH3)-CH2, or R1 and R2 are selected from 1) one of R1 and R2 is OH and the other of R1 and R2 is (C1-C6)alkyl, (C2-C6)alkenyl, or phenyl, with the proviso that Z is not CO; 2) one of R1 and R2 is H and the other of R1 and R2 is NR5R6 wherein R5 and R6 are independently selected from H and (C1-C6)alkyl, or is O...