FIELD: instrumentation, manufacture of navigation systems for aircraft, ships, spacecraft, of controlled drilling heads. SUBSTANCE: proposed method of balancing lies in anchoring of resonator by stem, in setting of piezoelectric pickup on free end of stem, in excitation of oscillations, in measurement of voltage of pickup for various orientations of standing wave in resonator, in computation of un...

A vehicle tyre comprising a tyre carcass (3) and on top of this a cap (29) consisting of at least one rubber quality and forming the tread (7), the cap having anti-skid stud holes (5) extending from the tread to its inside. At the bottom (8) of the anti-skid stud holes (5) and thus under the bottom flange (21) of the anti-skid studs (20) elastic cushions (6) are provided, made of a material of an ...

A method of manufacturing an absorbent article in the form of a pants diaper or a sanitary panty starts from a flat blank which includes an elongated absorbent body (5) enclosed between two casing sheets (2, 9) which at opposing front and rear end parts of the absorbent body have side parts which extend laterally beyond the body on opposite sides thereof. The method includes the step of folding th...

Una herramienta abrasiva que comprende grano superabrasivo y unacomposición aglutinante de metal activo, CARACTERIZADA porque la composición aglutinante de metal activo comprende 2 a 40% del peso de fase activa, de 5 a 90% del peso de fase dura y de 20 a 95% de fase ligante seleccionada del grupo formado por cobalto, hierro, níquel y sus aleaciones y combinaciones y porque la mayor parte del grano...

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 invention relates to a fire alarm (F) comprising at least one sensor (6, 14, 15) for detecting fire parameters and an evaluation circuit (7) which triggers an alarm signal if a defined first value is exceeded by a corresponding fire parameter. The at least one sensor (6, 14, 15) also monitors a second, greater value of the fire parameter concerned and if said second value is exceeded triggers ...

A refrigerator oil comprises an ester obtained from:pentaerythritol; anda carboxylic acid mixture comprising n-pentanoic acid in an amount of 20 to 50% by mass; n-heptanoic acid in an amount of 20 to 50 % by mass and 3,5,5-trimethylhexanoic acid in an amount of 5 to 60 % by mass, of the total amount of the carboxylic acid mixture.

The invention relates to a reduction vessel (1) for the reduction of metal-oxide-bearing material, particularly of iron ore, by means of a reduction gas flowing countercurrently to the metal-oxide-bearing material, which reduction vessel (1) is provided with an inlet (5) for the metal-oxide-bearing material, an inlet (6) for the reduction gas, an outlet (7) for off-gas and an outlet (8) for reduce...

Arrangement for the reduction of metal-oxide-bearing material, particularly of, iron ore, with a reduction vessel in which the metal-oxide-bearing material is reduced in counterflow with reduction gas and which is provided with an inlet for metal-oxide-bearing material, an inlet for reduction gas, an outlet for off-gas and an outlet for reduced material, a vessel for metal-oxide-bearing material, ...

A roofing construction comprising a water vapour permeable polyetherester block copolymer sheeting is claimed. The polyetherester block copolymer consists of hard segments derived from aromatic dicarboxylic acids and/or alkylene diols and soft segments derived from poly(alkylene oxide) or characterized in that the poly(alkylene oxide) contains at least poly(propylene oxide) with the proviso that i...

The description relates to a process for producing hard urethane and possibly urea or isocyanate-group-containing foams in which a hard polyurethane foam is made by reacting a) an aromatic polyisocyanate with b) a polyol component with an average of at least three hydrogen atoms reactive to isocyanates, containing 1) 30 to 80 wt.% of an aromatic amine-started polyether with a molecular weight of 3...

Vacuum distillation process comprising introducing a feed which contains liquid hydrocarbons and vaporous hydrocarbons into an inlet section (3) of a distillation column (1) operating at a subatmospheric pressure, removing liquid from a bottom section (6) of the distillation column (1), allowing vapour to pass through three condensation sections (13b, 13a and 13) arranged above each other in the d...

Vacuum distillation process comprising introducing a feed which contains vapour and liquid into a distillation column (1) operating at a subatmospheric pressure, allowing vapour to rise inside the distillation column (1), allowing liquid to drop to the bottom part (2) of the distillation column (1) and passing liquid from the bottom part (2) of the distillation column (1) through a transfer condui...

Vacuum distillation process comprising supplying feed (7) to a furnace (11), passing heated feed comprising vapour and liquid from the furnace (11) into a distillation column (1) operating at a subatmospheric pressure, allowing vapour to rise inside the distillation column (1), contacting the rising vapour with a de-entrainment device (16) to remove entrained liquid from the rising vapour, sprayin...

PURPOSE:To form a homogenous bead core enhanced in roundness, to reduce the trouble of a molding drum and to enhance working efficiency by rotating wire reel and the molding drum in the same direction and changing the direction of a strip body in the same direction as the curving direction at the time of the winding of the strip body around the molding drum. CONSTITUTION:A wire reel 2 and a moldin...

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 method for amplification of a nucleic acid strand in a test sample. The method includes contacting the nucleic acid strand from the test sample simultaneously with at least three oligonucleotide primers. At least one primer is a promoter-primer, and at least one other primer is complementary to the nucleic acid strand, and one other primer is complementary to a strand complementary to the nuclei...

The present invention relates to a method for the production of abulk of molten steel in an electric arc furnace, comprising the formation of a foaming top slag. During at least one phase of the production process, a doping agent is added to the top slag with the aim of creating improved conditions for the reduction of the oxidized, valuable metal elements which exist in the top slag. The doping a...

A swirling type fabric canopy is affixed on an upright mast which can be incrementally rotated on a base to protect a person in one position while the sun travels during daylight. The swirling type canopy can be rotated from right-handed shading to left-handed shading and collapsed when not in use or for portage. An optional semi-circular non-folding canopy can be added on top.