PURPOSE:To reduce the operational sound of a moving body and to obtain the titled electromag net device having retentive strength and self-maintaining function when it is being operated by a method wherein the moving body is displaceably provided at the position depending on the flowing direction of magnetism of a permanent magnet piece and an elastic body is arranged on one end side of the perman...

Smooth, glossy, thin films based on linear polyethylene with Mw > 4 X 10<5>, preferably above 8 x 10<5>, having a strength above 1 GPa, a modulus above 20 GPa, and a FEM value above 150 KJ/m, and having a thickness of below 25 mu m, preferably below 2 mu m, an opacity below 15% and a water vapour transmission value below 0.6. Such films can be prepared by spinning or extruding a semidiluted solu...

Smooth, glossy, thin films based on linear polyethylene with Mw > 4 X 10<5>, preferably above 8 x 10<5>, having a strength above 1 GPa, a modulus above 20 GPa, and a FEM value above 150 KJ/m, and having a thickness of below 25 mu m, preferably below 2 mu m, an opacity below 15% and a water vapour transmission value below 0.6. Such films can be prepared by spinning or extruding a semidiluted solu...

An apparatus for maintaining constant pressure in gas discharge vessels, particularly for flat plasma picture screens with electron post-acceleration. The gas pressure is kept constant in the gas discharge vessel. For this purpose, a glass container preferably filled with helium is applied in the gas discharge vessel, this glass container being provided with a heater for temperature control and th...

A method for altering the surface appearance or texture of a textile or other substrate comprises impinging the surface of the substrate (25) with a high velocity fluid jet (18) with water being a preferred fluid. The substrate is placed against a support (20), and a fluid stream having a peak dynamic pressure in excess of about 2068 kPa (300 p.s.i.g) is directed onto the fabric surface. Various m...

A method for altering the surface appearance or texture of a textile or other substrate comprises impinging the surface of the substrate (25) with a high velocity fluid jet (18) with water being a preferred fluid. The substrate is placed against a support (20), and a fluid stream having a peak dynamic pressure in excess of about 2068 kPa (300 p.s.i.g) is directed onto the fabric surface. Various m...

PURPOSE:To generate inexpensively and safely air ions in large amts. by wetting with water a through-pore type ceramic porous body having specified porosity obtained by binding heat-resistant ceramic particles having particle size in the specified range and sending air into the porous body. CONSTITUTION:A through-pore type ceramic porous body, having 23-48% porosity and obtained by binding heat-re...

PURPOSE:To eliminate the geometrical consumption of an electrode,by pushing out a fluidic electrode from the inside to outer surface of a base member having several air-pores which are communicated to the outer surface of the base member by means of an inferior conductor or a semiconductor, through the air-pores. CONSTITUTION:A base member 1 made of materials which are selected form glass material...

PURPOSE:To reduce the consumption of surface of an electrode and to enhance the accuracy of machining, by forming several holes in the electrode, which communicate with the outer surface of the electrode, and by oozing out gas or liquid containing therein hydrocarbon from the inside of the electrode while pulse-arc-discharge is made across the gap between a workpiece and the electrode. CONSTITUTIO...

PURPOSE:To reduce the consumption of an electrode and to enhance the accuracy of machining, by forming several air pores in the electrode, which communicate with the outer surface of the electrode, and by oozing out a working liquid containing surface activator as a main component from the inside of the electrode while arc-discharge is made between the electrode and a workpiece opposed to the elec...

PURPOSE:To shorten the cycle time of the titled press and prevent a tire under vulcanization from bursting and a spacer from colliding against a pressure cylinder by a structure wherein a locking mechanism to hold a rod and a limit switch, which is located on the rod so as to oppose to a cam, are provided. CONSTITUTION:Because a spring 44, which upwardly energizes a rod 43 engaging with a hook rod...

A composition characterized in that it contains (A) a polydiorganosiloxane having at least one silicon-bonded OX group, in which X represents hydrogen, alkyl or alkoxyalkyl, and at least one aminoalkyl or polyaminoalkyl acid salt substituent derived from a water-soluble organic or inorganic acid, (B) a silicon compound e.g. methyltrimethoxysilane which is soluble in (C) and which has per molecule ...

PURPOSE:To generate a stabilized high energy ion beam, by furnishing at the anode part an auxiliary discharge area caused by electromagnetic field due to magnetron coordination, also making the cathode part into an outer and inner coaxial double composition, and moreover applying forcible cooling to each electrode. CONSTITUTION:At the top of a discharge space where a whole accelerator is surrounde...

PURPOSE:To make simultaneous reproduction of plural information tracks and tracking error detection at the same time by providing a diffraction grating and a light detector and thereby reproducing information of the first, second and third tracks simultaneously. CONSTITUTION:A beam spot consists of a spot 23b made by 0-order diffracted light and spots 23c, 23a caused by + or - first-order diffract...

PURPOSE:To make it possible to position a cap-like member with the use of a device for positioning the cap-like member in the circumferential direction, by providing a holder having a cylindrical holding part to in a body stationarily arranged. CONSTITUTION:A holder 17 having a cylindrical holding part 18 is rotatably provided in a body 12 which is stationarily arranged. Further, an engaging membe...

PURPOSE:To surely fasten a screw with no jig even if the kind ofmembers to be fastened varies, by irradiating light from at least two directions to a screw fastening position, and by visually adjusting the screw fastening position of the members to be fastened to the above-mentioned light. CONSTITUTION:Light from a bidirectional light source 4 is adjusted by a bracket 6 so that the light is conver...

PURPOSE:To permit warping without interrupting the machine and reduce the variations of winding diameters among beams, by detecting the external surface of yarn taken up on the beam by means of winding diameter detectors set on a flange end. CONSTITUTION:Yarn 9 drawn from a creel is taken up by a beam 1 through front roller 10 equipped with a solenoid brake 11. As the yarn diameter increases, the ...

PURPOSE:To provide the titled glass-forming mold having excellent oxidation resistance, heat cracking resistance, inertness to glass, and abrasion resistance, by forming an Al2O3 layer on the surface, especially at least the cavity surface, of the glass-forming mold. CONSTITUTION:The surface, especially the cavity surface, of a glass-forming mold id coated with an Al2O3 layer of 0.5-10mum thick to...

A multilayered fabric which when used as support material for built-up roofing and sealing membranes shows not only good fire properties but also improved mechanical properties is obtained by needling together two preconsolidated fibre webs, one of which consists of synthetic fibres and the other of mineral fibres. The needling produces a strong positive bond between the two webs, which prevents t...