The present invention provides a mixing head for devices for joining textile threads with the aid of compressed air, for use indifferently for joining short-fibre threads and long-fibre threads, in both the cases perfect joints being obtained, both as regards their tensile strength, and as regards their aesthetical appearance, by being free from thickenings and undesired protrusions at the sides o...

PURPOSE:To surely carry out waste water treatment, effectively utilize the solar energy, and facilitate execution and maintenance. CONSTITUTION:A plurality of supporting members 1 are arranged along the eaves ridge direction, and a plurality of water flowing plates 2 having the left and right side edges in erection state are arrange between the supporting members 1 and 1. Further, a plurality of h...

PURPOSE:To contrive transmission and disconnection of rotation in both right and left directions on an input side by providing the second holding member, correlated to a subgear of generating a differential speed corresponding to the rotation of an input gear, and making a sprag tiltable in a clutch acting position. CONSTITUTION:A number of teeth 2a of an input gear is, for instance, 53, when a nu...

Proposed is a method of purifying aqueous solutions of amine oxides, the method being characterized in that the solutions are contacted, through an anion-active membrane, with an aqueous solution of an alkali-metal hydroxide and/or ion-pair reagent. The method proposed enables in particular anions of low-molecular-weight carboxyilc acids, as well as inorganic acids, to be removed efficiently.

The invention relates to a method for connecting metal objects by welding, at least one of which objects is provided on at least one side with an enamel coating, wherein metal objects are placed in a welding position and are heated with a welding source such that the metal parts melt and the melted metal parts form a metallic weld connection, and wherein preferably both metal objects are provided ...

The suction device has a suction pipe (1) which possesses a plurality of inlet orifices, each for a thread (36). The inlet orifices open via a suck-in pipe (3) into the suction pipe (1). The suck-in pipe (3) is inclined relative to the axis of the suction pipe (1) and has a smaller diameter.

The present invention relates to a method for increasing penetration of mammalian ova by mammalian male sperm by contacting sperm in vitro with a penetration-enhancing amount of a penetration-enhancing thymosin polypeptide or a penetration enhancing anti-thymosin antibody. In preferred embodiments, treatment comprises contacting mammalian sperm with thymosin alpha 1 or antibodies to thymosin alp...

The present invention provides nucleic acid sequences coding Cyn dI, or at least one fragment thereof or the functional equivalent of such nucleic acid sequences. The present invention also provides expression vectors comprising such nucleic acid sequences and host cells transformed therewith. The present invention further provides isolated Bermuda grass pollen protein allergen Cyn dI or fragments...

An object of the present invention is to provide a method of loading a green tire on a bladderless tire vulcanizer of inside gripping type and an apparatus thereof, in which both bead portions of the green tire can be inserted into respective bead rings of a mold accurately and reliably. The constitution is such that, on a bladderless tire vulcanizer having a pair of upper and lower pressing membe...

The present invention provides improved processes for forming anti-corrosion layers, particularly barium metaplumbate, on lead, lead alloy-, and lead oxide-containing substrates. The processes of the invention are used to form corrosion-resistant current collectors which are assembled into lead-acid batteries. The inventive methods used to form barium metaplumbate employ a salt solution which incl...

In a earth boring bit including a body, the improvement comprising: a matrix integral with and forming the outer surface of at least a portion of said body, at least one temperature stable polycrystalline synthetic diamond element which is bonded to said matrix to form a cutter; each said temperature stable synthetic diamond element having a coating including a carbide forming metal of at least 3 ...

A switchable dual battery (101) includes main and reserve batteries (202, 204) disposed within a battery housing (10) having conventional external dimensions and battery terminal locations. The container portion (14) of housing (10) has a parition wall (34) which isolates main battery cells (38) from reserve cells (42). Spaced, parallel internal walls (36, 40) define main and reserve series of cel...

A process for the production of iron from ferrous raw materials in a converter containing an initial iron smelt into which at least fuels, oxygenous gases and ferrous raw materials are introduced during the production phase, the reaction gases being afterburned with oxidizing gases in the gas space of the converter above the smelt and the resulting heat transferred to the iron bath, and a partial ...

The full-sealed lead-acid accumulator for motorcycle features that its positive plate grid is made of super-calcium alloy, the active substance of positive electrode contains Pb, H2SO4, PTFE and activated carbon, its negative plate grid is made of Pb-Ca-Sn-Al alloy, the active substance of negative electrode contains Pb, H2SO4, BaSO4, alpha- or beta-naphthoic acid and diffusant N, and its electrod...

The potentiating and restoring additive for lead-acid accumulator is prepared with EDTA 2Na, magnesium sulfate, aluminium sulfate, tartaric acid, cadmium sulfate and pure water and serves to prevent and eliminate sulfating of electrode plate, decrease internal resistance, recharging times and evaporation of distilled water in electrolyte, prevent self-discharge and over charge, increase electric-t...

In an electrochemical treatment the cationogenous components are removed from the cellulose waste lye containing lignin sulphonates in the anode space. Lignin sulphonic acids are produced from the waste lye.

In an electrochemical treatment the cationogenous components are removed from the cellulose waste lye containing lignin sulphonates in the anode space. Lignin sulphonic acids are produced from the waste lye.

In an ultrasound treatment apparatus comprising a power transducer in the form of a spherical dish (1) both as generator of the treatment waves and as echographic emitter-receiver, the transducer is caused to oscillate (motor 2) during the period of the treatment, in order to obtain a sectoral scanning of type B, and excitation thereof takes place (circuits 1 to 14) with treatment waves only withi...

In a vehicle control system, data regarding co-ordinate points constituting a road is stored eg in a CD-ROM 2 and the data corresponding to a number of reference points in the vicinity of the detected present position of the vehicle is extracted and used to judge the shape of a bend in the road. The vehicle is then controlled 13, 14 in accordance with the judged shape of the road eg to follow the ...

In the manufacture of tubes provided with elevations or recesses, an extrusion billet is preformed (1) and compacted (2) by isostatic pressing whereupon the extrusion billet is extruded (3) into a tube. The extrusion billet consists of at least two materials, forming material (21) and tubular material (22). The forming material is applied to or inserted into a preformed body of tubular material, o...