Provided is a method of manufacturing sintered parts from particulate material, e.g., metal or ceramic parts. The method comprises mixing together predetermined amounts of powdered particulate material and a binder, which mixture is then molded under heat and pressure. The binder comprises at least a lower melting point component and a higher melting point component, with the lower melting point c...

A cylindrical casing (12) accommodates an operator piston (24) and a power piston (28) separated by a fixed barrier (18) which serves to define with the former a reservoir and with the latter a power chamber. A piston rod (30) affixed to the operator piston (24) extends through the barrier into manual brake actuating relation with the power piston (28). Hydraulic fluid under pressure is introduced...

2048605 9107856 PCTABS00005 The invention concerns a method of on-air registration of a cordless telephone handset with a base station, the method comprising the steps of: arming the handset so that it can indicate that it wants to register with a base station; arming the network to enable it to accept the registration request from the handset; activating the handset to start transmitting link req...

A method of thermoforming extruded semifinished products (1) in form of continuous, alveolate sheets or panels, in particular of polypropylene is disclosed, wherein during the extrusion process the thermoforming is effected at an elasto-plastic state of the extruded semifinished product. Such a state is reached by means of heat generators able to soften the material of the semifinished product, th...

PCT No. PCT/CH88/00025 Sec. 371 Date Oct. 4, 1988 Sec. 102(e) Date Oct. 4, 1988 PCT Filed Feb. 2, 1988 PCT Pub. No. WO88/05853 PCT Pub. Date Aug. 11, 1988.An electromechanical cylinder lock (1) is connected with a key (2 l) which has electronic and mechanical codings. In the lock (1) are arranged and connected with each other electronic elements (55), a microswitch (56) and an electric coil (11) w...

1. Claims for the Contracting States : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE An eglin compound of the formula VGluPheGlySerGluLeuLysSerPhePro GluValValGlyLysThrValAspGlnAlaArgGlu TyrPheThrLeuHisTyrProGlnTyrAspVal WPheLeuProGluGlySerProValThrLeuAsp LeuArgTyrAsnArgValArgValPheTyr AsnProGlyThrAsnValValAsnHisValProHis ValGly in which V is N-acetyl-Thr and W is Tyr or His, and a pharmaceutically accep...

There is disclosed herein a machine for performing nucleic acid amplification under computer control. The machine utilizes any one of a number of heating and cooling systems under control of a host computer which directs the heating and cooling systems to heat and cool a reaction-chamber-containing heat exchanger at appropriate times in the process. The reaction chambers are pre-loaded with the nu...

The invention comprises a method of making self-supporting composite ceramic structures by the oxidation reaction of a body of molten parent metal precursor with a vapor-phase oxidant to form an oxidation reaction product. This reaction or growth is continued to form a thick, self-supporting ceramic body. The composite is recovered and in a separate subsequent operation, the surface is coated with...

The present invention relates to processes for calibrating and characterizing substances having apertures ranging between 0.0008 to 10 mu m. These substances include discrete biological particles such as viruses, enzymes and proteins and other diverse subcellular components such as biological channels made of membrane proteins which allow nutrients, ions and other essential materials into plants ...

A method of producing self-supporting ceramic structures (12) comprising (i) a polycrystalline oxidation reaction product formed upon oxidation of a molten parent metal (14) with an oxidant, and (ii) interconnected porosity (13) at least partially accessible from one or more surfaces (15) of said ceramic body. A second polycrystalline ceramic material is incorporated into the porosity of said cera...

A method is provided for achieving initial synchronization of the transmission and reception of a frequency hopped communication signal, which comprises the steps of transmitting a preamble defined by a sequence of synchronizing pulses on a single channel and transmitting random dummy pulses over the remaining channels to hide the preamble. The received signal is filtered to obtain the preamble wh...

A technique is disclosed for coating or insulation grafting a metallic cationic wire wherein the wire is placed in water in the presence of salts of carboxylate or other appropriate polymers having anionic groups together with a cationic substance, such as lithium. A dc current is then introduced to establish the wire as an anode. By electrolysis action there is established a hydrophobic coating h...

A method for the repair of the inside of installed conduits comprises the following method steps: drying of the inside of the line by flow-through of pre-dried compressed air, removal of interior coatings by flow-through of a mixture of compressed air and particles of an abrasive medium with a mean exterior diameter of >0.8 mm and a specific weight of >3.0 gxcm-3 in an amount of >1.0 gxm-3, the mi...

The present invention covers a novel series of 2-acyloxypropylamine derivatives, processes for preparing them, compositions containing them, and methods for using them. The compounds are active in the inhibition of protein kinase C and thrombocyto aggregation stimulated by diacylglycerols.

A coupling socket includes a main cylindrical body and a locking member. The main cylindrical body has a hole extending along its longitudinal axis and a rectangular hole formed on its plug-inserted portion and directed perpendicular to its hole. The locking member includes locking parts provided with ring-shaped pieces engageable with a locking groove on a plug. A plug hole is formed between the ...

A pulling force is exerted on a spiral electrode with its electrode head grown into an organ of a human body. A thin drawing element (3) is introduced in the internal luman (4) of the spiral electrode (10) to approach the electrode head. The head (K) of the drawing element is then force or form fitted in tension-proof manner to the wall (W) of the sprial electrode. An individually matched withdraw...

Certain novel six-membered heterocyclic derivatives of N min -substituted-N,N min -diacylhydrazines are insecticidally active and can be used, optionally in compositions also containing agronomically acceptable diluent or carrier, to combat insects, especially those from the order Lepidoptera.

A process for producing zirconium dioxide powder, which process comprises dissolving zirconyl chloride in concentrated formic acid, removing water, hydrogen chloride and formic acid by evaporation, calcining the reaction product at elevated temperature and, when required, grinding the calcined product. The product so prepared can further comprise stabilizers, such as oxides of yttrium, cerium, mag...

The invention provides muteins of biologically active proteins such as IFN- beta and IL-2 in which cysteine residues that are not essential to biological activity have been deleted or replaced with other amino acids to eliminate sites for intermolecular crosslinking or incorrect intramolecular disulfide bridge formation. These muteins may be made via bacterial expression of mutant genes that enco...

The invention provides imidazole derivatives of the general formula I:- or a salt thereof, in which R represents an optionally substituted phenyl group, R<1> represents an optionally substituted alkyl, cycloalkyl, alkenyl, aryl or aralkyl group, R<2> represents an optionally substituted alkynyl group and Y represents an oxygen or sulphur atom or a group - NR-<3> where R<3> represents a hydr...