In an apparatus for joining textile threads with the aid of compressed air, there is provided a device for checking the tearing strength of the joint zone of the threads before their extraction from the apparatus. The device comprises at least one mobile member arranged to act on the loop formed by the joined threads with a predetermined traction force at an intermediate point between the points a...

A splicer includes a splicing head into which the two yarn ends are introduced through an inserting slot into a turbulence chamber. The turbulence chamber is formed from two juxtaposed frustum-shaped chambers interconnected by a connecting slot. A pressure medium is tangentially introduced through one opening into each chamber for forming the splice and the flow is guided in a lemiscate-like path ...

The bobbin holder is comprised of a horizontal base (1) provided with a vertical pin (2) and two cones (3, 4) having axial drillings. The two coins (3, 4) as well as the yarn bobbin arranged between them, are set rotatingly about the pin (2). The ends (3a, 4a) of both cones (3, 4) are centered one with respect to the other and bite in the hole (5a) of the bobbin (5). When unwinding the yarn (6) fr...

The package is formed from heat sealable longitudinally folded sheet material 38 and comprises a first folded edge portion 38 extending in a first direction and seams S1, S2 making an acute angle with the first direction and converging, travelling away from the edge portion 38. The package may be left open along the edge opposite the folded edge or closed by further seams S3, S4 parallel with the ...

Hot melt compositions are disclosed from which foamed products having a fine and uniform void structure therein can be obtained. The compositions include a thermoplastic polymer preferably an elastomer such as a styrene-butadiene block copolymer, and a small amount of a salt of a sulfonated styrene polymer. Plasticizing processing aids, tackifying agents and antioxidants can be included in the com...

This method and device permits removal of venous blood from either atrium to a heart lung machine and thereafter returns it (after oxygenation and filtration if needed) to the femoral artery, all in a percutaneous mode. The device includes in combination a guide wire, catheter, transseptal needle, blunt internal obturator approximately the same length as the catheter with a circular barb to secure...

PURPOSE:To make it possible to recover and reuse a vulcanizing medium, by using a liquid phase fluid at a vulcanization temp. even at atmospheric pressure as a high temp. and high pressure vulcanizing medium poured in a bladder, and pressing a green tire to the inner face of a mold while the green tire is being heated. CONSTITUTION:When a green tire 2 is put in a vulcanization mold 4 and a vulcani...

PURPOSE:To attain the test for a part which had not been processed by software conventionally and to decrease the test time by linking a BASIC and a test control section in a service processor when a host-side CPU is in time-out. CONSTITUTION:When a service processor 1 is operated at the operation mode, only a BASIC program is stored and no test program is stored in a memory 11 of the service proc...

Apparatus for effecting controlled destruction of limited areas of living tissue e.g. his bundle ablation, by applying electrical pulses of high current to the tissue, having an electrical pulse generator (5), a probe with an electrode (4) to be placed close to or in the tissue area to be treated and a second electrode (6) for placement in contact with the patient (2) to complete the electrical ci...

A device for characterizing the formation of a sheet material is described. The device comprises a basis weight sensor for measuring the basis weight of the sheet material as the material moves through the sensor and signal processing circuitry which receives a signal from the basis weight sensor indicative of the measured basis weight. The basis weight sensor includes a light source for directing...

The present invention is directed to a continuous process for the production of aqueous polyurethane dispersions by continuously mixing solutions of polyurethanes or isocyanate prepolymers dissolved in an organic solvent with water and subsequently continuously removing at least a portion of the solvent using a circulation-type evaporator. The present invention is also directed to the production o...

A method for starting up a partial combustion process, using a burner, wherein finely divided carbon-containing fuel is supplied to a reactor or gasifier and an oxygen-containing gas is supplied separately from the said fuel to the reactor or gasifier and is mixed with the said fuel adjacent the outlet of the burner in the reactor or gasifier. During a predetermined period a low rank particulate c...

PURPOSE:To obtain high-temperature superconducting oxide based ceramics, useful as a superconducting material, etc., by reacting a mixture of three consisting of respective (hydro)oxides or oxyacid salts of group III-a and II-a metals of the periodic table and copper, iron, Co, etc., by impact compression caused by explosion. CONSTITUTION:Three of (A) oxides, hydroxides or oxyacid salts of a group...

A process is described for rendering industrial waste materials inert, especially metallurgical wastes containing copper and ammonia nitrogen, by solidifying their aqueous sludges and/or solutions and/or suspensions which are mixed with at least one solid, substantially dehydrating pulverulent material (silica, sand and foundry earths, etc.), with at least one solid pulverulent hydraulic binder (c...

A master film processing robot forming part of automatic exposure apparatus for multi-exposure is operable to transfer source films between a pallet stocker and a printer and has a hand member 18 which carries an optical sensor array 21 which reads data marks carried by the source film to control the operation of the robot. The hand member 18 has suction pads 19 arranged in circuits B, R, G which ...

For monitoring drilling mud circulation there is incorporated in the supply mud a known amount or concentration of at least one tracer ion which is substantially non-interactive with the other mud components and with the strata drilled, and the return or circulatory mud is analysed at the rig site (preferably by ion chromatography) for the non-interactive ion(s) to give an indication or annular di...

A reinforced article comprising cellulose aminomethanate containing a reinforcing fiber, wherein 0.5 to 30 numerical percent of the cellulose hydroxy groups have been substituted with aminomethanate groups.

A polymeric compound comprising crosslinked cellulose aminomethanate wherein 0.5 to 30 numerical percent of the cellulose hydroxy groups have been substituted with aminomethanate groups, each of the crosslinks being formed by a crosslinking agent reacted to connect at least two of the cellulose hydroxy groups, at least two of the aminomethanate groups or at least one each of the hydroxy groups and...

A technique is described for producing an image log of an investigation of the wall of a borehole with a high resolution tool. The tool employs sensors for measuring a characteristic such as the conductivity of the wall at locations which circumferentially overlap. An accurate tool depth measuring device is employed to modify the measured characteristic so that the measurement can be displayed as ...