The prodn. of fire-proofed, regenerate-contg. polystyrene (PS) particle foam (I) comprises coating pulverised recycled PS foam with fire retardant(s) (II) and bonding together with freshly made, pre-expanded PS particles (III) to form moulded prods. Also claimed are : (i) PS particle foam (I) made by this process; (ii) mouldings made from (I).

To control the concentration of cellulose in a tertiary amine-N-oxide and water, for extrusion spinning of cellulose fibres and filaments from heated bodies from the solution, it is passed through a measurement container. The water content is registered by photometry, through the photometric signals, for evaluation.

Stable multiple W/O/W emulsions are obtained by emulsifying an oil phase with an aqueous phase in the presence of an emulsifier mixture that contains (a) polyolpolyhydroxystearates and (b) anionic, non-ionic, cationic, amphoteric and/or zwitterionic surfactants.

The bearing journals (6) of the handle bar axle (3) are each fixed in the bore (7) of a first cylindrical bush (8) and the bore is set eccentric relative to the centre axis of this bush. The bush lies in the bore (9) of a second cylindrical bush (10) and this bore is set eccentric relative to the centre axis of this bush. The sleeve (20) of the second bush is fixed in the bore (11) of the fork bri...

Improved methods of rendering PVDF membranes hydrophilic are disclosed.

A procedure for controlling a torque transmission system in a car has a targeted acceleration during starting. The starting procedure has at least two phases in which the transmitted torque is controlled through preset parameters or functions. There is a central computer or control unit connected to sensors or other electronic equipment which evaluate the operating conditions or the driver's requi...

An expanded ceramic moulded plate consists of hollow ceramic micro-particles which have a compaction strength of at least 60 MPa, a bulk density of 0.3-0.5 g./cu.cm. and a melting pt. of at least 1500 deg.C and which are joined together at tangential contact points by an inorganic binder such that air flow pores can be retained in the form of fine capillaries between the individual particles. Pref...

Concentrated, stable water-in-oil emulsions of water-soluble or water-swellable polymers are prepared by polymerization of one or more water-soluble ethylenically unsaturated monomers in a water-in-oil emulsion and removal of water from the water-in-oil polymer emulsion by azeotropic distillation, by a method in which superheated vapor of an inert organic solvent which is immiscible with water is ...

A laser surgical device (10) for vaporization of a living tissue consists of an operating laser assembly (22, 24, 26, 28, 30, 32, 34), a detecting arrangement (48), and a control unit (14). The operating laser assembly generates an operating beam having a predetermined wavelength corresponding to a peak absorption wavelength of water. The detecting arrangement is adopted for detecting a condition ...

A rubber composition comprised of elastomer, silica, a silica coupler, sulfur and, optionally, carbon black, in which the silica, silica coupler and at least a portion of the sulfur are added in a non-productive mix stage. Pneumatic tires having treads comprised of such rubber composition are provided.

PCT No. PCT/GB92/01351 Sec. 371 Date Mar. 25, 1994 Sec. 102(e) Date Mar. 25, 1994 PCT Filed Jul. 23, 1992 PCT Pub. No. WO/9303255 PCT Pub. Date Feb. 18, 1993.A tubing test valve (34, 34a) is described for use with a drill string (20) for pressure testing tubulars and downhole equipment, particularly in a cased hole (12) which has a permanent packer (16) fitted. The valve (34) permits self-filling ...

The dielectric thin film consists of Ta-contg. (Ba, Sr)TiO3. Also claimed are: (i) a capacitor with a dielectric thin film for a semiconductor device; (ii) a process for producing the dielectric thin film; (iii) a process for producing the dielectric thin film by CVD; and (iv) a process for mfg. a capacitor with a dielectric thin film for a semiconductor device.

The present invention is directed to a process for coil coating aluminum comprising the steps of: (a) coating a carrier film with a clearcoat layer; (b) applying a basecoat layer on said clearcoat layer; (c) applying an adhesive layer on said basecoat layer; (d) optionally (i) applying a protective film on said adhesive layer to form a free multilayer coating film; (ii) removing said...

A method for preparing concrete or mortar in which a mixture of a hydraulic binder, aggregates, water, and colloidal silica is prepared. The relative standard deviation of the particle size distribution by numbers of the colloidal silica is at least about 30 %. The invention also relates to concrete or mortar obtainable by the method.

The invention provides an apparatus for processing digital image data of pixels which are obtained by radiographing an image area including a subject so as to generate image signals and by converting the image signals into digital image data, each of the digital image data representing a density level corresponding to an amount of radioactive ray transmitted through each portion of the image area....

A pneumatic tire has an integrated circuit transponder which, upon interrogation by an external RF signal, transmits tire identification and tire pressure data in digitally-coded form. The transponder has an antenna adjacent and thereby coupled by electric or magnetic fields to an annular tensile member comprising a bead of the tire. The antenna has lead wires that preferably are positioned betwee...

A dental material is based on a polymerisable, ethylenically unsatd. monomer as binder, a catalyst for cold, hot and/or photo-polymerisation, and 1-95 wt.% of an inorganic filler comprising a mixt. of (A) spherical particles based on SiO2 and (b) non-spherical scale powder of quartz, glass ceramic and/or glass, with refractive index 1.50-1.58 and particle size 0.5-5.0 microns. Component (A) is pre...

Composite opaque material contains (a) glycidyl cpds. with 2 or more glycidyl gps., (b) di- and polyisocyanates with 2 or more NCO gps., (c) olefinically unsatd. cpds. with 2 or more olefinic gps., (d) mono- and polyhydric amines, (e) polybasic carboxylic acids or anhydrides, (f) polyols with 2 or more OH gps., (g) photoactive components, (h) inorg. fillers and (i) pigments.

The multilayer cladding material and/or seating material for vehicles or aircraft, and the like, has a fabric lower layer, an upholstery layer and an outer layer. The lower fabric layer (1) is covered by a surface structure of projections, at least on one side, with yarn floating bumps (3) of a texturised yarn to form the upholstery layer (2) bonded to the lower layer (1). The outer layer (4) is l...