A dressing suitable for application to lesions of the skin comprises a conformable apertured film. The film consists of two layers laminated together, the first layer which is the lesion contacting layer is formed from a material which swells in contact with water. The second layer does not swell or swells less than the first layer when in contact with water. When the first layer is placed in cont...

A machine for shredding material comprises a base, a shredder body selectively rotatably mounted on said base, and hinges associated with the shredder body and adjustable between a first position and a second position for selectively securing the shredder body to the base wherein the shredder body is fixed to the base when the hinges are in the first position and the shredder body is free to rotat...

A high capacity continuous solid bowl centrifuge is disclosed having longitudinal vanes which cooperate with helical flights to form longitudinal channels. The longitudinal vanes may be curved vanes or they may be planar vanes disposed either radially or at an acute angle relative to a radius from the longitudinal axis of the centrifuge. In operation, the solids/liquid mixture fed into the centrif...

A double-acting electromagnet device for controlling the movement of an injector valve of a fuel injector for a diesel engine, comprises an electromagnet body (1, 2) carrying an electrical winding arrangement (7), and an armature (8) movable relatively to the body (1, 2), the armature (8) being in the form of an obtuse-angled thin-walled hollow cone, the body having a respective conical surface ad...

The yarn handling machine employs a bobbin gripper which engages a bobbin positioned at a collection position and moves the bobbin to a transfer location whereat the bobbin is transferred into a cradle mechanism. Both the bobbin gripper and cradle mechanism are moved together to position the bobbin at a winding position. During the latter phase of movement, the bobbin gripper pivots on a carrier a...

Fuel pump P, Fig. 2, of an internal combustion engine is driven from the valve cam shaft 2 which also drives the distributor D. A cam 11 for driving the pump is separately machined and press fitted onto one end 2a of the cam shaft, and a bracket 3 surrounding that end of the cam shaft supports both the fuel pump and the distributor.

1. A forming vessel for the lead accumulator plates, in which the lead plates are held by ribbed plates (12 to 21) which themselves are supported in vertical grooves (5 to 9) in side walls, characterised in that the grooves (5 to 9) for the accommodation of the ribbed plates (5 to 9), are provided at such different spacings from one another that lead plates of different sizes can be held by the ri...

An overhung mounted rotatable centering spindle (5) for centering a yarn (1) at an open-end spinning location is disclosed having a central groove (52) into which threaded grooves (500, 510) run together oppositely from both sides. The direction of rotation of the centering spindle (5) is reversible. Both threaded grooves have different core diameters (d1, d2), the smaller core diameter (d2) being...

A filter consisting of connected upper housing and lower housing parts and a hydrophobic flat filter disc for gas filtration sandwiched therebetween, intended in particular for an exchange between a container such as a liquid reservoir partially filled with liquid and the surrounding atmosphere. The upper housing part includes an integral channelled filter support having channels for communication...

Method and apparatus for building annular tyre components such as steel cord tread reinforcements, in which a measuring drum (11) is employed to receive strip material (27) and simultaneously to feed it to a component building former (10). The strip material laps a portion only of the measuring drum, and a measured length of the strip is severed on the measuring drum and the major portion of the l...

In an intruder alarm system, the alarm circuitry (110) is controlled (i.e. armed, standby or set to any of a predetermined operational modes) by an access and control subsystem (100) which includes at least one remote control station (1) provided with both an input switch (2) and an annunciator (3) (e.g. buzzer), the control being effected by a coded operation of said switch. Commands such as WALK...

An apparatus for supplying power to an electrosurgical device comprising a power output means (20) for providing a surgical current (SOUT), a switch means (22) for supplying the power output means (20) with a power signal (Sp) to provide the surgical current (SOUT), a first signal generation means (26) for supplying the switch means (22) with a switch signal (SLF) to turn on and off the switch mea...

Arrangement for a materials handling appliance (2), preferably a fork-lift truck, for moving pallets (4) and similar load-bearing elements in a plurality of directions (52-54), wherein, in the vicinity of the materials handling appliance (2) and mounted thereon there is a load-moving arrangement (30) for lifting a pallet (4), etc., and which can be moved between a position close to the said applia...

A materials handling appliance for moving pallets (4) or similar load-bearing elements in a vertical and/or horizontal direction between setting-down locations (33-36) disposed around an axis of rotation (8) appertaining to the appliance, wherein a load-moving arrangement (6) is composed of a load-moving slide arrangement (18) which is telescopically extensible towards and away from the respective...

A sweatband (10) formed by a doughnut-shaped band of stretchable, perspiration absorbent fabric (12) disposable about a portion of the body of the user. The hollow circular interior defines a compartment for holding small articles such as keys, driver's licenses and money. An opening in the band provides access to the interior compartment, and a zipper (14) sewn to opposed sides of the opening all...

Compounds of the formula wherein n is 0 or 1; A is methylene, vinylene or ethylene optionally substituted by lower alkyl; B is alkylene; R1 is an optionally substituted alkyl, phenyl or naphthyl group, or a cycloalkyl or pyridyl group; and R2 is hydrogen or acyl; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as ...

Very finely granular metal powders are produced by atomizing a liquid jet of metal by means of a gas jet which, in addition to a continuous band of sound frequencies, contains at least one discrete sound frequency which is at least 5 decibel above the average intensity of this band, and which is generated in a rotationally symmetrical device by means of a nozzle (4) which has the shape of a hollow...

For uniformly coating a substrate with a spray, a stream of liquid falls past a point towards which a plurality of nozzles in a bank are all directed but at different angles. Bursts of atomising gas are sprayed through the respective nozzles in a repeated sequence, such as to cause a repeated sequence of equal durations of spray in a plurality of directions.