A thread splicing device is provided with a splicing head 214 which comprises a splicing chamber having a longitudinal groove 222 for the insertion and connection of the threads, a compressed-air channel 213, which opens into the splicing chamber, and possibly a cover 224 for temporarily covering the longitudinal groove. The thread splicing device comprises a stationary basic body 212 with a chann...

PCT No. PCT/NL89/00049 Sec. 371 Date Nov. 29, 1990 Sec. 102(e) Date Nov. 29, 1990 PCT Filed Jun. 15, 1989 PCT Pub. No. WO89/12540 PCT Pub. Date Dec. 28, 1989.A continuously conveyed tubular plastic foil is perforated by a laser beam which is focused by a mirror or lens on the perforation forming plane, lying at the focal point of the mirror or lens, of a tautly conveyed tubular plastic foil. For t...

This invention concerns the manufacture of a layer of elastomeric material to form part of a pneumatic tire, and the manufacture of a reinforced elastomeric layer. According to the invention a layer of elastomeric material is formed as a progressive helical winding along a mandrel. The layer may be transferred in cylindrical form to a tire carcass building former to constitute an inner lining for ...

PURPOSE: To remove acidic gases, such as carbon dioxide and hydrogen sulfide, from other gases by supporting a solvent-swollen polymer which is compatible with a solvent having a high degree of a polar group in a molecular structure by a microporous support. CONSTITUTION: The high-temp. coal gas from an alternate converter passes a gas-liquid contact device through a heat exchanger and is satd. by...

An abutment for binding a boot on a ski. The abutment includes a support affixed to the ski on which is moveably mounted a jaw for retaining the front of the boot. An elastic device is provided for normally maintaining the jaw on its support in a central engaged position. Furthermore, a linkage device is provided between the jaw and its support for frontwardly displacing an upper portion of the ja...

Unsaturated carboxylic acid esters having a 2E,4E stereoconfiguration (wherein X stands for hydrogen, C1-4 alkoxy or hydroxy and R represents C1-4 alkyl), may be prepared by reacting a salt (wherein M stands for a metal ion or an ammonium ion substituted by one or more alkyl and/or aralkyl group(s) and X has the same meaning as stated above) with an alkyl halide R-Y (where...

An ethylene- alpha -olefin copolymer comprising ethylene and one or more alpha -olefin having from 3 to 10 carbon atoms, the copolymer having an alpha -olefin content of from 1.0 to 8.0 mol%, a density of from 0.900 to 0.930 g/cm<3>, and a melt flow rate of from 0.1 to 100 g/10 min., the programmed-temperature thermogram (see the drawings) of said copolymer as determined with a differential scan...

PURPOSE: To provide controllability for the spin when a fluid moves from a rotor into a stator by bearing a plurality of additional guide vanes rotatably on either of a rotor impeller and stator impeller, and operating it by one operating device. CONSTITUTION: A hydrodynamic brake is structured so that a ring-shaped working chamber is formed by arranging a rotor impeller 11 and stator impeller 12 ...

PURPOSE: To establish smooth gear shifting within the allowable speed difference range by sensing a gear meshing in the gear ratio selected in a transmission ratio and delaying re-engagement of the main clutch for a time proportional to the value of gear ratio. CONSTITUTION: A control unit 38 of a transmission 12 is input with signals from various sensors, processes them in conformity to the speci...

PURPOSE: To minimize thermal stress causing deterioration and uniform damage to a burner for partial combustion of pulverized coal during long term use thereof by cooling the front face of the burner uniformly with cooling fluid. CONSTITUTION: The burner 10 has a central channel 12 for supplying fuel, an outlet 16, and a first annular channel 18 for supplying oxide gas. Front face 28 of the burner...

PURPOSE:To stably produce a thin film having excellent superconductivity with good productivity by using a material to be vaporized contg. at least Ba, Y and Cu, and epitaxially growing a thin film of Ba2YCu3O7-y on a substrate at a specified temp. under reduced pressure. CONSTITUTION:The beta-diketone complex of Ba, Y and Cu is heated and vaporized, and the vapor is introduced into a reaction ves...

PURPOSE:To obtain the dense oxide superconducting wire rod by packing oxide superconducting powder into a two-layered sheath consisting, the outside layer of which consists of copper and the inside layer of silver and drawing the sheath, then subjecting the wire rod to the removal of the copper layer, a hot isostatic pressurization treatment in an inert gaseous atmosphere and a hot isostatic press...

PURPOSE:To obtain the oxide superconductor having the high critical current density while having a large thickness by preparing a molding which consists essentially of a superconducting material of a rare earth element-Ba-copper- oxygen system and has a specific value or above of the degree of C-axis orientation and calcining the molding in an oxidative atmosphere. CONSTITUTION:The molding which c...

A control mechanism for a coupling device such as a clutch or variable speed drive or brake comprises an electric motor. A mechanism links the electric motor to an actuator device for the coupling device. A brake device is coupled to this linking mechanism. The brake device is also coupled to the drive shaft and comprises two friction pads at diametrally opposed positions relative to the drive sha...

The invention relates to a device allowing the remitting of cheques of bank clients without the intervention of a banking agent, while constituting the environment for the banking tools necessary for processing remittances. It consists of a machine 1 managed by a microcomputer 5 and making use of three main units: - identification unit 2 comprising a magnetic or memory card reader 6; - dialog un...

Le domaine de l'invention est celui de la réalisation de microcomposants appartenant à la famille des tubes à vide, du type des diodes, triodes, et composants électroluminescents.

L'objectif est notamment de résoudre les problèmes de fabrication sous vide, et d'espacement précis anode-cathode.

Cet objectif est atteint à l'aide d'un microcomposant du type à structure empilée caractér...

An ethylene- alpha -olefin copolymer comprising ethylene and one or more alpha -olefin having from 3 to 10 carbon atoms, the copolymer having an alpha -olefin content of from 1.0 to 8.0 mol%, a density of from 0.900 to 0.930 g/cm<3>, and a melt flow rate of from 0.1 to 100 g/10 min., the programmed-temperature thermogram (see the drawings) of said copolymer as determined with a differential scan...

This invention relates to phenolic foams of low thermal conductivity derivable from a phenolic resin, a hardener, a cell stabilizer, a solvent and a blowing agent comprising dichlorotrifluoroethane or dichlorofluoroethane and to a process for producing the same. The blowing agent is more user friendly than agents used hitherto with regard to the adverse effect of conventional CFC's on the ozone la...

This invention relates in general to the formation of multiaxially (e.g., biaxially) oriented films from high molecular weight liquid crystalline thermotropic polymers (homopolymers, copolymers, and the like), wherein due to the processing conditions employed, the films have a controlled molecular orientation. The novel multiaxially oriented films of the present invention are preferably prepared f...