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1.WO/2001/040739LIQUID LEVEL INDICATOR

WO - 07.06.2001

IPC G01F 23/02 Anm.-Nr. PCT/ZA2000/000230 Anmelder DE WET HOOGENDYK, Christiaan Erfinder DE WET HOOGENDYK, Christiaan

A liquid level indicator to determine the volume content of liquid in vessels such as underground fuel. The device consists of a transparent tube (1), preferably graduated (2), and equipped with a valve (3) at the bottom end of the tube. If the instrument is placed vertically into the vessel (6), with liquid (4), the liquid pushes up into the tube if the valve (3) is open. When reaching equilibrium, the liquid leve (5') in the tube equals the liquid level (5) in the vessel. The exit of liquid from the tube (1) when lifted can be prevented wi th the valve (3) that close prior to lifting or at the moment the instrument is lifted. Thus the liquid level remains unchanged in the tube (1). The volume content of liquid can either be calculated using the height of liquid in the tube or read of directly against the correctly marked increments (2).

2.WO/2001/090586FRONT ACCESS STRIP FOR HOLDING BOARDS

WO - 29.11.2001

IPC E04B 9/24 Anm.-Nr. PCT/ZA2001/000061 Anmelder CHUI, King-Wah Erfinder CHUI, King-Wah

A front access means (1) for mounting ceiling, panelling and cladding boards comprises an elongate base strip (2) of a cross sectional shape which has a flange or flanges (4, 5) and a gripping formation or formations (6, 7), together with an elongate cover strip (8) again of a cross sectional shape which has a connecting formation or formations (9) adapted to co-act with the gripping formation (6, 7) for connection of the cover strip to the base strip. A tool is provided for removing cover strips if it is required to remove an installed board. The front access means is best used for all types of ceiling board installations, in particular with a new light weight ceiling board, made of double wall corrugated board from virgin liner and fluting, sealed with a special sealer on both sides and pre-coloured. This board is much lighter and a much better heat insulator than conventional boards. A saving of total installation cost, including the labour component, of between 40% and 50% is obtained, using the invention.

3.WO/2001/021854CORROSION INHIBITOR

WO - 29.03.2001

IPC C09D 105/08 Anm.-Nr. PCT/ZA2000/000174 Anmelder POTCHEFSTROOM UNIVERSITY FOR CHRISTIAN HIGHER EDUCATION Erfinder VORSTER, Schalk, Willem

This invention provides a corrosion inhibitor for iron-based metals including a solution of a polysaccharide biopolymer, or a precursor or derivative thereof, in a solvent. The polysaccharide biopolymer is preferably chitosan, which is obtained from deacetylated chitin. This invention further provides a method of inhibiting corrosion of iron-based metals and a method of manufacturing a corrosion inhibitor including the steps of providing chitin; at least partially deacetylating the chitin to obtain chitosan; and dissolving the chitosan in a solvent. The corrosion inhibitor according to the invention provides a relatively cheap and environmentally friendly and non-toxic corrosion inhibitor suitable for protecting iron-based metals against corrosion damage by aqueous solutions, or to minimise such problems to an appreciable extent.

4.WO/2002/010527CEILING BOARD

WO - 07.02.2002

IPC B32B 29/08 Anm.-Nr. PCT/ZA2001/000104 Anmelder CEILING SOLUTIONS (PTY) LTD Erfinder CHUI, King-wah

According to the invention there is provided a ceiling board (10) which comprises first and second corrugated sheets (12 and 14) sandwiched between first, second and third flat sheets (16, 18, and 20) respectively, all of virgin paper. The first flat sheet (16) has a weight of 250 g/m², the two corrugated sheets (12 and 14) a weight of 160 g/m², and the second and third flat sheets (18 and 20) a weight of 225 g/m². A sealing layer (22) having a weight of at least 8 g/m² is applied to the exposed outer surfaces of the first and third flat sheets (16 and 20), to cover 70% thereof. The total weight of the ceiling board is therefore in the order of 1.034 kg/m². Due to the light weight of the ceiling board (10), the transport and installation cost thereof is relatively lower than that of conventional ceilings.

5.WO/2004/098787FOAM STRIPS WITH EMBEDDED MAGNETS FOR PAINT MASKING AND METHOD FOR PRODUCING THEM

WO - 18.11.2004

IPC B05B 15/04 Anm.-Nr. PCT/GB2004/001981 Anmelder WESTERN, Donald, Murray Erfinder WESTERN, Donald, Murray

This invention provides an improved system for masking vehicle panel gaps when carrying out vehicle re-finishing procedures. The system includes a method for attaching a foam masking strip to the vehicle panel without the need for adhesive. It provides a foam strip that has a magnetic strip welded between two layers of foam. The foam strip may also be produced with the magnet partly exposed for the attachment to the vehicle body. The attachment of the magnetic foam strip can be applied without the need to open the vehicle's moving members and is simple to align into position.

6.WO/2004/087792SURFACE OXYFLUORINATED POLYMIDE, SUBSTRATES COATED THEREWITH AND COMPOSITE MATERIAL INCORPORATING IT

WO - 14.10.2004

IPC C08G 73/10 Anm.-Nr. PCT/IB2004/050374 Anmelder RAND AFRIKAANS UNIVERSITY Erfinder TU, Lin

This invention relates to a modified polymeric material in the form of polyimide, which polyimide is surface oxyfluorinated and has improved wettability. The invention further relates to surface oxyfluorinated substrates such as optical fibres suitable for use in sensors and to composite materials incorporating the modified polymeric material.

7.WO/2005/024864SIGNAL TRANSFER DEVICE

WO - 17.03.2005

IPC H01F 38/14 Anm.-Nr. PCT/NZ2004/000212 Anmelder GALLAGHER GROUP LIMITED Erfinder JOHNSTON, Richard, Lloyd

The present invention relates to a signal transfer device which includes at least two signal transfer elements (2, 3). These signal transfer devices (2, 3) are constructed so there is a minimum separation distance between an unprotected input terminal and an unprotected output terminal of the device, where one signal transfer element is configured to generate a magnetic field and a further element is configured to sense the generated magnetic field. The arrangement and configuration of the signal transfer elements (2, 3) is such that the elements provided are located substantially along a common axis with no electrical connection between the elements.

8.WO/2001/014649APPARATUS AND METHOD FOR SEA BED EXCAVATION

WO - 01.03.2001

IPC E02F 3/90 Anm.-Nr. PCT/GB2000/003208 Anmelder PSL TECHNOLOGY LIMITED Erfinder LANE, Richard

A sea-going vessel (1) provided with hoisting equipment (2) is employed for the controlled lowering and raising of excavation apparatus (3). The excavation apparatus (3) comprises a chamber (4) within which is contained agitation and suction means. The agitation means may comprise a propeller (9) employed to produce a high speed jet of sea water directed at the sea bed. Both agitation and suction means are controlled by communication means with the vessel (1). A method is described whereby an area of the sea bed is isolated by deployment of the chamber (4). Thereafter the sediment is disturbed by the agitation means before said disturbed sediment is conveyed to the vessel (1), for processing, by the suction means.

9.WO/2001/015264TELECOMMUNICATION MAST WITH LADDER ARRANGEMENT

WO - 01.03.2001

IPC E04H 12/08 Anm.-Nr. PCT/ZA2000/000150 Anmelder DORBYL LIMITED Erfinder O'BRAY, David, W.

According to the present invention a telecommunication mast comprises an elongate mast member and a plurality of step formations mounted on the mast member spaced along at least a part of the length of the mast member to serve as a ladder. The step formations are characterised therein that at least some of them extend at least halfway about the mast member.

10.WO/2001/017859LABELLING APPARATUS

WO - 15.03.2001

IPC B65C 1/02 Anm.-Nr. PCT/ZA2000/000159 Anmelder FORWARD PRODUCTS CC Erfinder VIVIERS, Vernon, Jan

A labelling apparatus (10) comprising at least one label applying means (12) including a label feed assembly (14) and a label applying assembly (16). The label feed assembly (14) is adapted to feed a label strip relative to the label applying assembly (16) such that the label strip is disposed between the label applying assembly (16) and an object to be labelled. The label applying assembly (16) includes a label handling means (26) which is moveable between a retracted position and a label applying position, the label handling means (26) being adapted to punch a label through a carrier strip while moving from the retracted position to the label applying position. A sensing means is further provided for sensing contact between the label handling means (26) and the object to be labelled.

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