A process is disclosed for manufacturing a high strength composite structure by needling individual webs of initially spunbonded material and then needle-punching a stack of the individual webs to enmesh and entangle filaments across the webs, with little or no loss of the initial filament-related strength.

A description is given of a lead storage battery having at least one separator made of filled polyolefin with which the formation of coloured, generally dark and frequently sticky deposits encountered in practice is reduced in terms of quantity. This is achieved because one or more non-ionic surfactants having a certain structure and an HLB value of at least 5 are present in the storage battery. A...

PURPOSE: To prevent solid contact and to eliminate noise by providing a pocket surface in continuation to a cylindrical scope of a pocket part of a holder for ball bearing and increasing an interval of the pocket surface for a ball stepwise to generate a dynamic liquid pressure lubrication condition. CONSTITUTION: A ball 2 is provided between an inner ring 1 and an outer ring 3, and a holder 4 hol...

PURPOSE:To compact a device by a method wherein the transmission shaft and the shift shaft of a friction type continuously variable transmission are supported in parallel to a transmission shaft in a mission case supporting a plurality of transmission shafts, and a shifter operating shaft is mounted in a manner to extend through a case. CONSTITUTION:An input shaft 1, a transmission shaft 2 for rec...

PURPOSE:To obtain a battery having excellent volume efficiency and long life in floating use at a low cost by coating the surface, facing a negative plate, of one connecting lug formed in a lead plate with a coating material in a poreless state to separate it from an electrolyte. CONSTITUTION:A positive plate consists of a nonwoven fabric 1 having electron conductivity, a current collector compris...

PURPOSE:To reduce the exposed area of copper or a copper alloy to improve battery performance by expanding a copper or copper alloy thin plate, forming a covered layer made of lead or a lead alloy on the surface of the expanded plate, filling active material plate therein to form a belt-like negative plate, cutting the negative plate, folding up it, then combining it with a positive plate to form ...

There is disclosed a method for making thermosetting plastic material high mechanical strength eyepieces,comprising the steps of forming the eyepieces in a glass mold at a temperature from 40 to 80 DEG C, starting from polyallyl diglycole carbonate and copolymers thereof with allyl,acryl and vinyl monomers,and cutting the formed eyepieces in the form of lenses, masks,visors,screens and the like,by...

The present addition to the ndegré patent 89/14033 called: "Safety device intended to control the position of the materials placed in a cutting press" relates to the fitting of novel, sensitive and adjustable, detectors (sensors) tasked with identifying the position of the materials to be cut. According to Figure 2, the invention is characterised by detectors (44) which detect the precise position...

A water-blown, polyurethane foam modified by incorporation of specific zeolites at levels of from about 0.5 to ten parts per hundred parts polyol exhibit superior combustibility with no halogen or phosphorus flame retardant additive in the foam. Conventional halogen/phosphorus flame retardants, while providing a level of combustion resistance, generally lead to increased smoke containing noxious, ...

PURPOSE:To obtain an electroluminescent element able to be stably luminous with high brightness for a long period by forming a phosphor luminous layer and a positive hole transport layer as an organic compound thin film of crystalline structure. CONSTITUTION:An organic phosphor thin film 3 and an organic positive hole transport layer 4 are formed into films being laminated from above in order betw...

Apparatus and method for inspecting the finish of transparent containers, particularly glass containers, which include facility for directing diffused light energy laterally through the container finish as the container is rotated about its central axis. A camera includes a plurality of light sensitive elements disposed in a linear array angulated with respect to the container axis to view the ext...

A process for producing asphalt-blended polyurethane foams which comprises introducing starting foaming materials for polyurethane foams containing a polyoxyalkylene polyol and an organic isocyanate either as respective individual ingredients or as a prepolymer into an agitation mixing chamber of a foaming apparatus, while introducing a previously heated and melted asphalt into the agitation mixin...

The invention relates to a safety binding for a ski, which is intended to retain, in a releaseable manner, the front end of a boot. The front binding comprises a jaw 10, and a mechanism for elastically returning the jaw 10 into a centred position. It also comprises a compensation mechanism with a feeler (sensor) 13 which is movable vertically in response to the stresses of the boot. A layer of sho...

Method and device for visual inspection of an article by comparison with a standard article. According to the invention, the article to be inspected and the standard article are arranged in front of two cameras (1, 2), the light signal from one of the two cameras is inverted and the two images are superposed on a monochrome (5) or colour (8) monitor. Applications: rapid visual inspection of the su...

A film having antistatic properties, and a composition for its manufacture comprise a polyether block amide copolymer and an aromatic sulfonamide antistatic agent. The film can be used for packaging static sensitive devices.

An aqueous silicone dispersion crosslinking to an elastomer on removal of water, comprising: - 100 parts of an emulsion (A) of the oil-in-water type of an alpha , omega -(dihydroxy)polydiorganosiloxane stabilised with an anionic and/or nonionic surfactant, - 0.1 to 15 parts of an organosiliconate, - 5 to 250 parts of a non-siliceous inorganic filler, - 0.01 to 3 parts of a catalytic tin salt, ...

PCT No. PCT/NL90/00072 Sec. 371 Date Mar. 31, 1991 Sec. 102(e) Date Oct. 31, 1991 PCT Filed May 16, 1990 PCT Pub. No. WO90/14453 PCT Pub. Date Nov. 29, 1990.Elongated object, made of an orientated alternating copolymer of carbon monoxide and an olefinically unsaturated monomer, which has a modulus of elasticity of at least 16 GPa, and a method for the production of objects from an alternating copo...

PURPOSE:To prevent a braked rotary shaft from being magnetized, prevent bearings and oil sealing members from being damaged, and improve safety and reliability of the brake by changing the direction of exciting current for releasing and exerting the brake force relative to the electromagnetic coil. CONSTITUTION:A disk 3 is fixed to a braked rotary machine 2. An armature 4 is provided to be guided ...

PURPOSE:To manufacture a high current density wire-rod and a high current density coil by rolling or drawing an oxide superconductor in such a condition that it is enveloped in a metallic sheath, giving CIP treatment to the rolled or drawn superconductor and then heat-treating the resultant superconductor. CONSTITUTION:Press load required for cold isotropic pressure-giving CIP treatment is chosen ...

PURPOSE:To manufacture a high current density wire-rod and a high current density coil by applying a rolling process or a drawing process to an oxide superconductor in such a condition that it is surrounded with a metallic sheath, and then applying HIP treatment to the processed superconductor. CONSTITUTION:Press load required for hot isotropic pressure application HIP treatment is selected to hav...