A titanium-based carbonitride cutting tool insert with superior thermal shock resistance is disclosed. This is accomplished by sintering the material under conditions where the melting process is reversed. The melt forms in the center of the material first and the melting front propagates outwards towards the surface. This leads to minimal porosity and a macroscopic cobalt depletion towards the su...

An apparatus for reducing and crushing coarse material comprises at least two rollers (3,4) in side-by-side substantially parallel relation which can be driven such that material supplied from above is discharged downwards between the rollers. Provided on the rollers are ribs which effect a reduction and crushing of the material supplied. The ribs of a first one of these rollers (3) are formed by ...

A centrifuge has a rotating driving head (2) fixed to a rotating shaft (43), a rotor (3) fixed to the driving head, a means (21) of coupling the driving head and the rotor in rotation, and a means of blocking axial movement on the shaft comprising a means of applying an axial force to a surface (9) of the rotor where the force increases with the rotational speed of the driving head. The means of a...

A method of producing foamed slag in an arc furnace by measured blowing of a carbon carrier by means of an oxygen carrier into the boundary layer between the slag and molten metal layers or into zones of the slag or molten metal layer adjacent to the boundary layer in an amount such that arc are enveloped at least by a foamed slag layer.

Cutting knife has a fixing part with a receiver for fixing to an oscillating drive; a cutting part (22) with a cutter (28, 30); and a number of flat layers (34, 36, 38, 40) joined together, at least two of these layers being made of a metallic material. An Independent claim is also included for a process for the production of the cutting knife comprising producing a number of thin layers (34, 36, ...

Circular tool (10) for cutting rolls of paper and similar, the tool (10) including a central axial hole (11), two lateral surfaces (10a) and an outer cutting edge (12) defined by two chamfers or bevels (13a, 13b) inclined at respective angles "alpha,beta" with respect to the lateral surfaces (10a), one chamfer (13a) defining a cutting side of the tool (10) and the other chamfer (13b) defining a si...

The dividing lines (T) between raised and depressed areas are arranged in three groups and those of different groups intersect each other at 60 degrees to form a lattice of equal sided triangles. A similar structure is formed in a lamella with raised areas having a linear high point and depressed areas with a point-like tip or a depression with a linear low point and a raised area with point-like ...

The invention concerns a process for producing a lightweight molded article, wherein a metal foam is formed from molten metal having particles by introducing gas or gas mixtures into it, that said metal foam is inserted at least partially into a chill and that its liquid phase is allowed to solidify in it. A further object of the invention is a lightweight molded article from metal foam consistin...

Formulation comprises a particulate medicament (I) e.g. salmeterol, salbutamol, fluticasone propionate, becolomethasone dipropionate and a fluorocarbon or hydrogen-contg chlorofluorocarbon propellant. Also claimed are the prepn of the surface-modified medicament and a canister for delivering metered doses of the aerosol formulation. Pref., (I) is salmeterol xinafoate (Ia); salbutamol sulphate; flu...

A filter comprising a housing, which consists of at least two housing parts, and a filter element attached inside the housing. The invention provides for at least one latch element by means of which a detachable latched connection can be established between the filter element and at least one of the housing parts.

The present invention relates to a process for producing a dispersion of polymeric microspheres in a polyol comprising expanding 1 to 70% by weight of polymeric beads in a polyol with a twin screw extruder to simultaneously mix and expand the beads to create a uniform dispersion of the microspheres in the polyol such that the wetting of the microspheres by the polyol is maximized.

PCT No. PCT/GB96/01434 Sec. 371 Date Aug. 13, 1997 Sec. 102(e) Date Aug. 13, 1997 PCT Filed Jun. 17, 1996 PCT Pub. No. WO97/15627 PCT Pub. Date May 1, 1997A foamed polyester resin article is made by a method which includes forming a molten resin mixture containing poly (ethylene terephthalate) having an intrinsic viscosity greater than 0.7 and a moisture content of not greater than 0.03%, a melt v...

The remote monitoring system comprises a signal emitter (10) providing a signal, means for detecting the signal (12), means for transmitting the signal (16) via a global specification for mobile telephones (GSM) network, and remote means (18, 20) for receiving for the transmitted signal. The signal emitter may be a PIR or other intruder or fire sensor. Alternatively, the signal emitter may be a me...

A device for storing and administering a medical fluid comprising a sealed flexible formed container with an opening part in its front end in which an insert is positioned. Over the insert, the container extends into a removable sealing cap. After removal of the sealing cap an injection means is attached to the insert and fluid administration through the insert is admitted in one direction by sque...

Component is made of a composite material having at least one layer of solid metallic material and at least one foamable metallic material. At least one outer and/or the inner surface of the component is made of foamable metallic material. An independent claim is also included for a process for producing a component comprising arranging at least two layers of foamable metallic material separated b...

A method wherein a superhard abrasive material is sintered and simultaneously bonded to a sintered cemented carbide body inside a container under elevated pressure and temperature conditions (HP/HT-treatment), whereby said cemented carbide body is in contact with at least one other cemented carbide body which after the sintering is removed, is disclosed. At least the cemented carbide surfaces in c...

Molds for injection molding tire components have controlled temperature passages leading to a manifold surrounding each mold cavity. The manifold is positioned to minimize weld lines in the injected tire component. In addition, a narrow gate opening between the manifold and mold cavity provides an elevated temperature of the injected material for decreasing the curing time of the tire component in...

A pipe joining construction which maintains airtightness for a long period of time, easily ensures the required dimensional accuracy, and surface finish accuracy, and can decrease cost. The pipe joining construction is characterized by a seal member S mounted at the outer periphery of a male end form (2) on a connector (1) or a pipe M and a collar (5) covering the outer periphery of the tip end of...

Water-soluble films suitable for water-dissolvable packaging comprising a polyurethane polymer having defined amounts of poly(ethylene oxide) (and optionally poly(propylene oxide)) groups and acid (preferably carboxyl) groups at least 50% neutralised with a base, at least a proportion of which is of the non-volatile type, the polyurethane being made by chain extension of a urethane prepolymer. Als...

A method for producing an open cell low-density semi-rigid polyurethane foam suitable for general use as a thermal insulating material and/or an acoustical applications is disclosed. The method comprises a method for producing a flame-retardant open-celled semi-rigid polyurethane foam having an overall density of 5 to 30 kg/m2 by reacting (a) a polyisocyanate and (b) a polyol having a molecular we...