A device (10) serving to part and/or perforate a material web (18), more particularly single or multi-ply tissue paper, comprises a supporting roll (16) as well as a laser assembly including at least one laser head (12) emitting a laser beam (14). The invention relates furthermore to single or multi-ply tissue paper having perforations or one or more cuts produced by a laser assembly.

The present invention relates to a process for producing and winding POY filaments not less than 90% by weight PET, based on the total weight of the POY, at spinning takeoff speeds above 3 800 m/min, which comprises a) setting the spinline extension ratio in the range from 50 to 250, b) passing the filaments directly upon exit from the spinneret through a quench delay zone 20 mm to 300 mm in lengt...

Wellbore apparatus including an elongated tubular adapted for disposal within the wellbore. The tubular having an elongated recess formed on its exterior surface along the longitudinal axis. The recess is adapted to accept and house a component therein. A shield disposed within the recess and adapted to slide to a selected position therein, covering a housed component. The sliding shield and house...

FIELD: flaw detection. ^ SUBSTANCE: device for detecting surface defects in material with partially reflecting surface has at least one light source disposed in such a manner to direct incident light onto surface of reflecting material and light receiver disposed above surface of material. Light source 29 and at least one source (23, 23') are disposed relatively each other in such a way that in ca...

Sensors formed from a substrate, an electrode layer and at least a first reagent layer are manufactured by transporting a continuous web of the substrate past at least two print stations, and printing the electrode layer and the first reagent layer on the substrate. One of the print stations prints the electrode layer on the continuous web of substrate, and the other of the print stations prints t...

Produce metal powder, especially titanium powder, offering high purity and uniform granular shape and size, in an economical manner using an apparatus that comprises a pressure-resistant container comprising a high-pressure water tank, an injector nozzle for mixture gas of oxygen and hydrogen, a material element-metal feeder part, an ignition plug and a combustion chamber.

This invention consists of an electronic unit that transmit real time video via the 3rd generation cell phone network. This is intended as an auxiliary unit for alarm and control systems (206, 406, and 506). This unit has been pre-programmed to call a 3rd generation cell phone subscriber when the alarm system triggers. A state of the art 3rd generation cell phone can call this unit at any time, gi...

FIELD: chemistry of polymers. ^ SUBSTANCE: invention relates to composition of foaming styrene polymer as beads, to method for its preparing and to materials - foamed beads and shaped articles made of polystyrene foam. The homogenous composition of polymer as beads comprises, mas. p. p.: (a) 100 - styrene (co)polymer with average-weight molecular mass 150 000-300 000 Da and the content of residual...

The present invention relates to predispersions of rubber chemicals and to a process for the preparation thereof. The present invention also relates to a novel polymeric composition for dispersing a rubber chemical and to a process for the preparation of said composition.

Sale offer acceptance data can be transmitted by an acceptance terminal (32) to a server (20) through at least a communication network including at least a public telephone network and an Internet network. The method includes a stage (10) which converts the acceptance data into another format designed for transport through another communication network and to record the converted acceptance data i...

A financial transaction system (130) and method for providing banking and financial services via wireless devices (110) over a financial data network (150).

Produce metal particles offering high purity and uniform granular shape and size: by forming a combustion chamber comprising an injector nozzle for mixture gas of oxygen and hydrogen, an ignition device and a material metal feeder in the upper space of a high-pressure water tank filled with inert gas; igniting inside the combustion chamber via the ignition device the injector nozzle for mixture ga...

Aqueous bonding agents based on at least one phenolic resin, at least one aromatic dinitroso compound and a polyvinyl alcohol are suitable as a one-coat aqueous rubber-metal bonding agent to achieve permanent rubber-metal bonds. These bonding agents can be substantially free from organic solvents and halogen compounds, and allow one-coat application without an additional, previous application of a...

A polymeric composite foam is disclosed where the continuous phase is a foamed phenolic/furan polymer and the disperse phase is a foamed polystyrene polymer. The composite has a preferred density in the range 25-50 kg/m3 and the composites exhibit good thermal insulation and fire resistant properties. The process for preparing the composites is relatively low cost.

PURPOSE: A flat panel display and a method for manufacturing the same are provided to reduce the thickness of the display, by forming an air exhaust port at a glass substrate rather than using a tip. CONSTITUTION: A flat panel display an upper plate transparent electrode formed on an upper inner glass and made of an ITO(indium tin oxide) or an ATO(antimony tin oxide) material; a lower plate transp...

Aqueous concentrated compositions of an alkali metal salt of rho-iso-±-acids for use as brewing additive are prepared by mixing alkali

The present invention relates to a coating system containing I) anhydrous, gel-like, high molecular weight polyurethane compositions, which may contain active substances, based on (1) 15 to 62 wt. %, based on the weight of 1) and 2), of a high molecular weight covalently crosslinked polyurethane matrix and (2) 38 to 85 wt. %, based on the weight of 1) and 2), of a liquid dispersing agent firmly bo...

The present invention relates to symmetrical arrangements in multi-unit articulated rail road cars. A multi-unit railroad car has an odd number of railcar units join ed end to end by articulated connectors supported by railcar trucks. The railroad car has a transverse centerline. The arrangement of articulated connectors about the transverse centerline is symmetrical.

FIELD: coal-chemical industry, chemical technology. ^ SUBSTANCE: anthracene oil or product obtained after treatment of crude anthracene without addition of solvent is converted to melt and melt is cooled below crystallization point of carbazole and anthracene. Prepared crystalline product is separated from liquid phase and rectified up to preparing pure anthracene and carbazole at enhanced yield. ...