Foamable magnesite cement, comprising a cement selected from magnesium oxychloride and magnesium oxysulphate cement, or a mixture thereof, together with one or more organic carboxylic acid(s) having a foaming coefficient lower than 1.80, and/or their anhydride(s) and/or their salt(s).

A cement composition comprising a cement base and hemicellulose. The cement composition produces reduced efforescence and less bleeding. Self-leveling materials containing the cement composition also produce reduced efforescence and less bleeding and exhibit improved surface adhesion strength.

A prod. for coating protheses comprising Ca carbonate and lime. Pref. the CaCO3 is at least partially in the form of calcite, esp. in an amt. of at most 75 wt. % of the prod., and at least partially in the form of aragonite, esp. in an amt. of at most 25 wt. % of the prod. The lime is in the form of anhydrous lime CaO and/or hydrated lime Ca(OH)2, present in an amt. of at most 60 wt. % of the prod...

An implant is produced by coating a core material with a calcium phosphate compound and converting the coating layer into an apatite ceramic layer by a hydrothermal reaction.

An image sensor is disclosed which is adapted to sense a color image and comprises three channels, one for each of the primary colors. Each channel is identical except for the color of the filter associated therewith. In order to provide the optimum exposure time for each of the colors, the integration time for each of the channels is controlled independently. The line readout time for each of the...

A computer system consisting of a host processor, memory and peripheral devices coupled via a bus which provides emulation of a microprocessor by coupling the microprocessor to the bus. The host processor provides emulation of microprocessor peripherals such that a microprocessor based system is supported and executes processes. A takeover mechanism is provided to enable the host processor to temp...

A more economical, stable, non-shrinking cellular concrete is provided by the addition of cementitious or non-cementitious fines to a cellular concrete mix. The improved cellular concrete is attained by reducing the amount of cement and replacing it with an equal amount of cementitious or non-cementitious fines. The partial replacement of the more expensive cement for the less expensive fines resu...

PCT No. PCT/FI93/00524 Sec. 371 Date Jul. 14, 1995 Sec. 102(e) Date Jul. 14, 1995 PCT Filed Dec. 3, 1993 PCT Pub. No. WO94/13591 PCT Pub. Date Jun. 23, 1994The invention relates to a process for the treatment of waste waters of the forest industry. According to the invention, waste water is pre-treated biologically, whereafter the further treatment is carried out by using Fe(II) salt and hydrogen ...

An automatic platen gap adjusting apparatus is provided with a stepping motor (5) for moving a carriage (1) loaded with a recording head (2) in the vertical direction of a platen (4), a rotary encoder (12) for producing a plurality of pulse signals proportional to the rotational speed of the motor, the rotary encoder being equipped with a detection mark on its circumference, a time difference inte...

The surface of the wheel is polished, given a transparent chromatic pretreatment and covered in a clear powder varnish layer. If necessary this may be finished in a wet varnish layer. Clear powder varnish layer thickness is 40-60 mu and the thickness of the clear wet varnish layer is 15-20 mu . Chromate layer thickness is 1 mu .

Methods of detecting a load level in a washing machine include monitoring a rotational speed of a motor of the washing machine for a period of time after the motor has reached an operating speed. In a first method embodying the invention, the number of rotational speed peaks that occur in each of a plurality of speed bands are detected during the period of time. The detected number of speed peaks ...

The invention relates to a method for denitrifying waste waters in a clarification plant, comprising at least one preliminary clarification tank (2) with an inlet (1), at least one biological clarification stage (6) and at least one final clarification tank (8). The inventive method is characterized in that the nitrified waste water (9) contained in the final clarification tank (8) is recycled wit...

The invention relates to an anti-vibration device, e.g. for the drive train of a motor vehicle, whereby an electric motor (4) is arranged in front of an anti-vibration device (6) in said drive train. The electric motor (4) is used to apply torque to the input shaft (2) or the output shaft (10) in such a way that the anti-vibration device has an enhanced or reduced elastic rigidity with respect to ...

There is disclosed a method for detecting clogging of air feed pipes, comprising air feed pipes (15), each having an outlet (13) for jetting air into a granulation section (1), and jetting nozzles (13), each situated at the center of the air outlet of a said air feed pipe for jetting a liquid of a molten raw material (e.g. molten urea), wherein, in jetting the liquid of the molten raw material fro...

A gate (36) hingedly connected to a staircase (34). The gate hinge (142) is blow-molded integrally with the gate body (36). A mounting post has on one portion a hinge pin (132) for receiving the gate hinge (142), and the other portion has a pair of parallel resilient sheets (152, 154) for receiving an edge portion of the staircase. The two staircases (34) are attached back-to-back by vertical flan...

A tensile system (306) for attachment between a first body and a second body having relative movement with respect to each other includes at least one tensile element (304) attached to the first body and at least one collapsible energy cell (334) coupled between the tensile element (304) and the second body. The collapsible energy cell (334) includes a buckling elastomer spring (333) and has a nor...

PCT No. PCT/EP95/04544 Sec. 371 Date Aug. 21, 1997 Sec. 102(e) Date Aug. 21, 1997 PCT Filed Nov. 18, 1995 PCT Pub. No. WO96/17111 PCT Pub. Date Jun. 6, 1996The invention relates to a method to produce an oxide coating that protects against corrosion and wear on the metal surface of a workpiece, more specifically, for the metal surface of a body for accepting a valve, wherein with the use of a cath...

The present invention regards a particularly quick-setting Portland cement clinker containing calcium fluoro-aluminate (11CaO.7Al203.CaF2) mixed with lime that has not undergone the burning process of the clinker.

The receptacle is produced in a coextrusion-type blow molding process and consists of a stiff outer receptacle and an easily deformable inner bag which are made from respectively different thermoplastic materials that do not form a welded joint with one another. The bottom of the receptacle includes a welded seam in the area of which the welded seam of the inner bag is clamped. Pressure compensati...

The invention discloses a method for obtaining a moulded object, with a thermoplastic resin base, having a modified surface. More particularly it discloses a method for modifying the surface of an object with a thermoplastic resin base during its manufacture by moulding techniques.