A product suitable for absorbing wound exudate comprising a series of interconnected square or rectangular perforated (4) bags (2) made of a substance of maximum thickness 1 mm e.g. film, which is substantially non-adherent to a wound, wherein alginic acid or a salt thereof such as calcium alginate is housed in the bags, preferably in the form of small spheres. The film preferably comprises ethyle...

A process for the production of fluorochlorocarbon-free, urethane-containing, soft-elastic, semirigid or rigid moldings having a cellular core and a compacted peripheral zone and an essentially pore-free, smooth surface involves reacting a) an organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atom...

The invention relates to the production of objects by suction-moulding pulp mass so as to form blanks or preforms (46) of at least approximately the same shape as the finished objects, after which the blanks or preforms are dried completely or partly and then subjected to finishing treatment so as to produce the final object. The new feature consists in that a number of blanks or preforms are moul...

Disclosed is an electric power converter comprising a plurality of reactors (4), a plurality of self quenching type switching elements (1), the reactors and switching elements being series-connected per one arm, and surge-absorbing snubber circuits (6,8) connected in parallel to the switching elements respectively, the switching circuits being driven by gate drive circuits (12) connected to respec...

A child-proof dispenser for pharmaceutical tablets capable of dispensing such tablets one at a time is disclosed. A sliding drawer with an open-topped tablet receptacle moves from a first position inside the dispenser where a tablet drops into the receptacle from a storage chamber to a second position outside of the dispenser. During this movement, a horizontal extension on the drawer prevents any...

A child-proof dispenser for pharmaceutical tablets capable of dispensing such tablets one at a time is disclosed. A sliding drawer with an opentopped tablet receptacle moves from a first position inside the dispenser where a tablet drops into the receptacle from a storage chamber to a second position outside of the dispenser. During this movement, a horizontal extension on the drawer prevents any ...

A stabilizer for a mounting structure for a parabolic antenna of the type being mounted on a base and having an actuator to adjust antenna position has arms adapted to extend and contract to permit adjustment of the length of the stabilizer to correspond with adjustment of the position of the antenna. A brake is provided for locking the arms of the stabilizer in position relative to each other. Th...

An AC variable speed driving apparatus including an AC motor and an inverter for driving the motor. The AC motor includes a synchronous motor and an induction motor. The synchronous motor includes a first stator windings and a first rotor having a permanent magnet. The induction motor includes a second stator windings and a second rotor. The first and second stator windings are disposed so that th...

P 199 Patent Application AUTOSTEREOSCOPIC DISPLAY An autostereoscopic display with an optical element inserted near the transmissive display has improved brightness of the display, and optionally has incorporated therein a head position sensing device capable of sensing the position of at least one observers head and means to cause the light emitting regions of the device to move in response to da...

ABRÉGÉ DESCRIPTIF L'invention concerne la production combinée de gaz de synthèse d'ammoniac et d'hydrogène pur. On prélève un débit de gaz de synthèse que l'on traite d'abord dans une unité de perméation avec renvoi du gaz non perméé, alor que le perméat est traité par adsorption, ce qui permet de produire de l'hydrogène très pur. Le procédé a un très bon rendement énergétique.; The invention rela...

21 METHOD FOR CONVERTING IMAGE DATA TO VECTOR DATA A method is described for converting image data to vector data. The method comprises the steps of generating a vector to each of a set of points and associating each vector with the pole of a control polygon of a non-uniform rational B-spline. The set of points are associated with a surface representative of a boundary of a three-dimensional objec...

METHOD AND APPARATUS FOR MAKING CUSTOMIZED FIXATION DEVICES A method and apparatus is described for making a custom fixation device. The apparatus comprises a means for scanning a treatment site and for producing image data representative of the treatment site. A means for generating a set of vectors is included for defining a set of points, the set of vectors representative of the treatment site,...

The device and the method according to the invention relate to the detecting of surface flaws in moving, elongated, metallic objects. This method and this device include at least one linear CCD camera (6, 7) taking exposures at successive times t1, t2, t3, ... tn. Computer means (18, 19) calculate the deviations observed for each pixel or set of pixels at these successive times. The change in thes...

PCT No. PCT/DE88/00697 Sec. 371 Date Aug. 22, 1989 Sec. 102(e) Date Aug. 22, 1989 PCT Filed Nov. 9, 1988 PCT Pub. No. WO89/05911 PCT Pub. Date Jun. 29, 1989.The fastening of the thin-walled exhaust pipe inside the liquid-cooled covering takes place by means of screws which are distributed in a cross-sectional plane of the exhaust pipe at the circumference. For receiving the screws, brackets are ar...

A power returnable tape rule has an improved connection between the inner end of the power spring and the hub. The hub has an axially elongated passage therethrough with shoulders at the axial ends thereof which seat in notches formed in the edges of the spring extending therethrough. These shoulders are located intermediate the transverse dimension of the passage and are inclined upwardly towards...

The power returnable tape rule has an improved connection between the outer end of the power spring and the inner end of the slidable rule blade provided by an interchanging element. The rule blade has an elongated aperture adjacent its inner end with the margins of the blade defining the aperture including opposed inwardly extending finger portions. The tongue has spaced transversely extending sh...

A self priming tubing set for infusing a medical solution from an infusion device to a patient includes a supply tube, an air/particle filter, and a restrictor tube. The air/particle filter is adapted to remove air, particularly air contained in the supply tube at the initiation of fluid flow. The air/particle filter also removes particles from the medical solution. The restrictor tube is adapted ...

Procedure and plant for working on raw ham after salting, according to which each ham is subjected to the following operations: a preliminary stage of washing the ham by spraying water onto the surface of the ham at a temperature not greater than the ambient temperature and a pressure of not less than 2 bar; a successive final stage of washing the ham by spraying water onto the surface of the ham ...

The method of washing surfaces comprises the formation of a water-based liquid that is at least partly crystallised and using the said mixture to wash the surface to be washed. The mixture may contain a detergent. The washing equipment using this method comprises means for providing a suitable flow of water, cooling devices to cool the water flow and generate the washing mixture, and devices that ...

An untwisting nozzle is provided with a cylindrical untwisting space for receiving whirling air currents, having a relatively small diameter, a cylindrical yarn sucking space for receiving suction air currents, having a relatively large diameter and formed in parallel to the untwisting space, and a slit interconnecting the untwisting space and the yarn sucking space.