A thread-tensioner comprises a pair of rolling contact bearings (10) and a body or shell (12) to which the inner races (20) of the bearings are fixed. The outer race (22) of each bearing (10) has a groove (24) for receiving a thread.

NOVEL WEAR-RESISTANT LASER-ENGRAVED CERAMIC OR METALLIC CARBIDE SURFACES FOR FRICTION ROLLS FOR WORKING ELONGATE MEMBERS, METHODS FOR PRODUCING SAME AND METHODS FOR WORKING ELONGATE MEMBERS Friction rolls for working elongate members, e.g., webs or strands, such as crimper rolls, draw rolls, yarn package drive rolls comprising a roll having a generally cylindrical external surface and a ceramic, e...

Une matière plastique particulaire, un polysaccharide et de l'eau sont introduits dans une extrudeuse qui est mise en oeuvre dans des conditions de chaleur et de pression telles, qu'à sa sortie de la filière, le produit extrudé prenne une section transversale supérieure à celle de l'orifice de la filière. Le produit extrudé est, en outre, soumis à une opération d'étirage destinée à l'allonger et à...

A travel control device for an unmanned vehicle automatically travelling along a predetermined travel path. The travel control device comprises non-contact type and contact type obstacle sensors for detecting an obstacle in front of the unmanned vehicle, and the unmanned vehicle is stopped when an obstacle is detected. A working area is predetermined along the travel path, and entrance and exit ma...

Films from aromatic polyesters and from aromatic polyestercarbonates are excellently suitable as electrically insulating films, for example as dielectric for capacitors and as conductor track films.

This device (1) measures the level of a certain chemical in a liquid infiltrated into a piece of test paper (39) impregnated with a test chemical the optical properties of which alter according to the level of the certain chemical. It includes: a test paper holder, provided in a test paper insertion unit provided in a casing (2); a device for emitting light and a device for sensing light, both pro...

The invention provides a novel shaped product comprising a sheet material of polyurethane resin material reinforced with binder-free natural-fibre material, such as jute, flax, hemp, coir, ampas, ramie or cotton, possibly combined with polypropylene, polyethylene and/or glass fibres. A preferred fibre material is jute, preferably in the form of jute needled felt. The invention also provides a proc...

Compounds having the formula: I are leukotriene antagonists and inhibitors of leukotriene biosynthesis. These compounds are useful an anti-asthmatic, antiallergic, anti-inflammatory, and cytoprotective agents.

Flexible foam is prepared using 1,1,1-trichloroethane as the sole or predominant auxiliary blowing agent.

An automatic structure analyzing/processing apparatus for surface structure of material includes a structure observing device (7) for observing structure of a surface of material to produce an electrical image signal thereof, a sample stage (4) disposed opposite to the observing means, an image processing device (8) for converting the image signal from the structure observing device to digital sig...

A defect detection system and method for a pattern to be inspected wherein multiple-focus images of the pattern to be inspected are obtained and a defect on the pattern to be inspected is detected utilizing the multiple-focus images.

A managing method of a run of a moving object of the present invention commonly utilizes a first scheduling using a simulation for finding a shortest time for selecting the moving object and running route corresponding to the moving demand, and a second scheduling in which a deadlock attributable to a predetermined moving sequence is not generated, performing the first scheduling using the simulat...

This invention discloses an instrument for securing an inner diameter which expands the inner cavity of a tubular organ such as the blood vessel and keeps the expanded state at least for a predetermined period, and a catheter which is used for keeping this instrument at a predetermined portion of the tubular organ and can move and withdraw the instrument from the kept position. The instrument for ...

PURPOSE:To prevent the whitening of images and to obtain a good contrast by heat treating a glass spacer in a reducing atmosphere thereby blackening the glass spacer. CONSTITUTION:The glass spacer is formed of glass contg. at least one component of PbO, TiO2, Sb2O3, As2O3, and Bi2O3 to a fiber or bead shape. This glass spacer is disposed in an electric furnace in which a reducing atmosphere contg....

PURPOSE:To obtain sufficient light emission brightness by providing a timing adjusting means, switching a light emission voltage supply means and a nonemission voltage supply means, and setting a rate driving voltage sufficiently high. CONSTITUTION:An output data arithmetic circuit 3 sends light emission command signals 3a - 3g so as to display a desired character and they are supplied as signals ...

Disclosed are mixed halocarbon blowing agents comprising (1) halocarbons boiling below 10 DEG C, (2) halocarbons boiling between 20 DEG C and 35 DEG C, and (3) inert organic liquids having a boiling point of from 35 DEG C to 125 DEG C. Also disclosed are blends of the above mixed blowing agents with active hydrogen-containing compounds, particularly polyols and the rigid closed cell foams prepared...

PCT No. PCT/FR90/00146 Sec. 371 Date Dec. 27, 1990 Sec. 102(e) Date Dec. 27, 1990 PCT Filed May 2, 1990 PCT Pub. No. WO90/10666 PCT Pub. Date Sep. 20, 1990.The invention relates to orientated composite polyester films carrying, on at least one face, a coating intended to improve the slip properties, consisting of a graft polymer comprising a backbone derived from a polyester containing sulphonylox...

An armature assembly for an electromagnetic clutch includes a plastic spider having a central sleeve which is joined to a central driven hub by insert molding. A circular web is molded integrally with and extends radially from the sleeve and carries an annular armature disc which is adapted to coact with the electromagnetic rotor of the clutch. When the clutch is energized, the web flexes adjacent...

A limited slip differential for limiting differential rotation between a differential casing (1) and axles via a frictionally connection means includes a pinion shaft (2) rotating integrally with the differential casing; a pinion gear (3) attached rotatively to the pinion shaft; a side gear (5) engaging with the pinion gear (3) and provided loosely with respect to the axles, a first cam portion (5...

In the preparation of a film by melt-extrusion process of thermoplastic polyimide, static charge is applied to a molten film, primary cooling is carried out by adhering the film to a cooling roller having a surface temperature in the range of from the glass transition temperature of said polyimide -50 DEG C to the glass transition temperature -15 DEG C, the film is successively cooled to 60 DEG ...