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Patent Searching and Data


Matches 451 - 500 out of 3,616

Document Document Title
WO/1992/019335A1
A ground cover (1) for protecting the grass of sports fields includes a plurality of tubes (2) joined together along seams (3) and having open ends (6) and partially closed ends (7). In use, air is pumped into the cover (1) through an in...  
WO1992012767A3  
WO/1992/014001A1
The invention provides a method for constructing a specific, though temporary, watercourse in a natural or artificial river bed. It consists in placing on the river bottom (5) a number of concrete supports (1) provided with holes (4). El...  
WO/1992/014000A1
The invention refers to a base structure, particularly for tennis courts, comprising a top layer (1) consisting of a solid microporous plate comprising a mixture from 50 % to 98 % fine clay and 2 % to 50 % cement, the thickness of the to...  
WO/1992/012767A2
A golfing facility (10) comprises a central tee-off area (12) and a plurality of sectors (14) disposed around the tee-off area (12). Each sector (14) contains a selection of targets (18) to enable a player to simulate playing a hole of g...  
WO/1992/011067A1
An improved method and panel for constructing racquetball and squash court walls in which the panel (10) is constructed with an ability to withstand wide fluctuations in humidity and temperature. This is accomplished by applying a phenol...  
WO1992007142A3  
WO/1992/008936A1
A snow production device (1) comprising first outlet means (13) to supply water therethrough, and second outlet means (10) to supply a cryogenic fluid therethrough. Means are also supplied to cause the rapid flow and mixing of the water ...  
WO/1992/007713A1
The invention is a permanent elastic, flexible, safety and protective coating system. It consists of a bottom layer of a cross-linked copolymer foam with closed cells having a specific gravity of approximately 50 kilograms per cubic mete...  
WO/1992/007633A1
Tennis lanes are disclosed which comprise a plurality of pie-shaped lanes (3, 5, 9, 11, 13, 15) forming a circle or a semi-circle configuration. The lanes are substantially triangular in shape. The tennis lanes define upright-side target...  
WO/1992/007142A2
The invention relates to a field containing artificial grass consisting of a substructure and a top layer provided thereon, wherein the top layer is a nutrient medium (5) which contains regularly spaced fibres (1) which, when seen in the...  
WO/1992/005690A1
Stadia and other activity surfaces are provided comprising natural turf (20). Natural turf units (21) are provided which are transportable between first and second locations, the second location (22) being for the growth and maintenance ...  
WO/1992/004944A1
A device for shock-absorbing when making movements comprises an envelope (1) and an elastic base (2) contained in the envelope and consisting of two superposed layers (3 and 4) provided on their contacting surfaces with protrusions (5). ...  
WO/1992/004087A1
A water ride attraction is disclosed which utilizes a containerless riding surface to eliminate disadvantageous boundary layer effects. A sheet flow of water is directed up the incline to produce a simulated wave. The configuration and c...  
WO/1992/004083A1
In a device for displaying impacts on court delimitation lines during ball games, in particular tennis, the impact of the ball on the court delimitation lines generates a local mark that can be easily seen from afar and that vanishes sho...  
WO/1992/003193A1
A curling hack has a base made of a fire retardant plastic material and a replaceable grip pad (34) with ends fixed to the top of the base (18). A mating groove and rib arrangement (32) on the base and pad provide a resilient, cushioning...  
WO/1992/003201A1
A method and apparatus for controllably injecting, subsequent to the start of a water ride, a high velocity water flow (30) over the water ride surface (25). A rider (29) (or vehicle) that rides into such injected flow (30), as a result ...  
WO/1992/002832A1
A hand-held electro/optical range finder, sends discrete pulses of coherent light to a retroreflector which is mounted on a golf course pin. The time period required for the light pulses to traverse the distance between the golfer and th...  
WO/1991/018651A1
Slide for sport or play, for example for skating or other activity requiring low friction, its exposed surface being built up from a natural and/or synthetic hard wax capable of remelting for restoring the surface after use.  
WO/1991/015277A1
A mini-golf course wherein golf similar to a formal golf can be played in an area smaller than a formal golf course. The mini-golf course is constituted of a plurality of tee grounds and a plurality of putting greens having holes corresp...  
WO/1991/013208A1
A cover unit (12) adapted to interlock with other such units having a top surface (14) capable of supporting persons. The unit (12) is formed of semi-opaque plastics material thereby providing for a required reduced amount of light to re...  
WO/1991/010486A1
Material for the paving of rinks suitable for skating with blade-skates, of synthetic type, characterized in that it exhibits a chemical composition gradient between the upper skating surface (A), consisting of hydrocarbons having a melt...  
WO/1991/000805A1
The surface covering material, which is particularly suitable for external uses such as ground or floor covering in golf driving areas, comprises a multi-layer structure, which itself comprises (a) an outer layer (1) comprising a preform...  
WO/1991/000804A1
The material is a laminate comprising, in the order specified (a) an outer layer of preformed textile fabric (1) (such as a tufted fabric having a base (2) and tufts (3)); (b) a continuous bonding layer (5) of hydrophobic hot melt adhesi...  
WO/1990/014137A1
A portable cushioned floor system (10) utilizes a modular construction (11) in which each floor module is enclosed with a lower floor plate (16) that protects the flexible resilient cushioning layer (19) during transport and installation...  
WO/1990/013340A1
The invention relates to a sports floor with line marking. The invention has for its object to provide a sports floor with line marking which is very simple and inexpensive, can be laid simply and offers a virtually unlimited flexibility...  
WO/1990/006790A1
A wave-forming generator (12) for generating inclined surfaces on a contained body of water. The water is propelled against the surface-shaping generator (12) with sufficient force to impart the desired shape to the water surface, and th...  
WO/1989/012793A1
Apparatus and a method are provided whereby snow is made in an indoor environment (V) over extended periods. Within the indoor environment (V) temperature and humidity conditions are set up to enable snow to be produced by a spray of wat...  
WO/1989/012484A1
Un appareil (2) destiné à traçer des lignes visibles sur une surface de manière temporaire comprend au moins un laser (4) dirigé sur des substances fluorescentes disposées dans ou sur la surface (12), ainsi qu'un moyen permettant d...  
WO/1989/011893A1
An arrangement in a flexible sliding mat (1) to be provided on a floor and, if desired, for use with an exerciser to simulate skating, snow skating, etc., where the user's feet slide from one end (1a) to the other end (1b) of the sliding...  
WO/1989/007477A1
Slalom gate, whereby the flag (20) is connected to one of the two gate posts (15, 21, 42) by means of a rubber tensioner (16, 17, 37). When a racer touches the gate post (15) provided with a tilting joint (13), the gate post can be defle...  
WO/1989/006151A1
This invention relates to a surface decorative member of wall surface which, when fitted to the peripheral walls of a tennis ground having a plurality of courts but not having any partitions between adjacent courts as the boundary, preve...  
WO/1989/004703A1
Apparatus for generating a surface wave in a rink used for activities such as roller skating and skate boarding. The apparatus comprises a flexible deck (13) resting on the ground (11) or other support surface. The flexible deck (13) is ...  
WO/1989/003865A1
A method of making artificial snow where water is mixed with a water swellable polymer at its maximum water absorbancy to form an aqueous gel, and the aqueous gel is frozen so that the expansion of the water overcomes the strength of the...  
WO/1989/002771A1
Sports apparatus which provides an upwardly moving inclined skiing zone (13) comprises a clockwise rotating main disc (11) covered with a layer of snow (12). Return zone (14) corresponds with cooling tunnel (15) which encloses refrigerat...  
WO/1989/002298A1
Un terrain de golf (2) comprend une pluralit� de greens-cibles (51-59) plac�s suivant une configuration pr�d�termin�e. A une extr�mit� du terrain se trouve une zone de d�part �tendue (tee) (4) et � l'autre extr�mit...  
WO/1989/001810A1
The present invention discloses equipment suitable for night time golf, tennis and other games played outside on a playing surface. The playing surface is divided into portions (3, 4, 5, 6) by marking strips (10) which are substantially ...  
WO/1989/002017A1
A support for a multi-layer resiliently mounted floor for indoor stadia or similar comprises two vertically spaced layers of slats connected by spacer blocks. The upper layer of slats (1) is subdivided by separating joints (4) in the reg...  
WO/1988/006971A1
A synthetic sporting surface for tennis courts comprises a laminate of (1) a porous base layer formed from a matrix of liquid polyurethane mixed with resilient particles; (2) a polymeric sealant which seals the upper porous surface of th...  
WO/1988/007117A1
A boundary marking system comprising cylindrical receptacles (14) having relatively large plates (10) flush with one end and adapted to be installed in the ground with the plate (10) at ground level. A marker stake (12) which is color co...  
WO/1988/005678A1
Automatic apparatus (1) for covering fields (2), in particular sports pitches, which comprises a cover having slightly greater dimensions than the field to be covered, and comprising a plurality of modular strips (4) each equipped with t...  
WO/1988/004394A1
Method for covering with snow artificial slopes for downhill or cross-country skiing, comprising the formation of an ice layer forming the bottom of the run, the on site production of snow by machining said ice layer by forming chips hav...  
WO/1988/000078A1
A building complex for residential, office, industrial and/or public use incorporates a fitness itinerary (32) which surrounds elements of the building complex. The itinerary is designed preferably as a closed loop which leads around ele...  
WO/1988/000077A1
A court for playing a ball game, having a barrier which substantially delimits the court, a substantially planar floor surface, and a running path delimited by a plurality of bases, wherein the running path may be transversed by a player...  
WO/1987/007520A1
Underlay shock pad for preventing head injuries, such as fracture of the skull or concussion, caused by a fall, and for use in playgrounds for children and in other places, where there is a great risk that particularly children may stumb...  
WO/1987/007519A1
An apparatus for playing a racquet and ball game in a confined space. The apparatus comprises a foldable or demountable frame (2) supporting walls (3) and a roof (4) of woven plastics mesh. The structure (1) is supported on a playing sur...  
WO/1987/000228A1
Retracting cover device for covering structures such as vehicles, swimming pools, boats, awnings etc., comprising a cover (4) of wide flexible sheet material, a reel (5) rotatably mounted on reel support means for winding on and winding ...  
WO/1986/007373A1
A method of making artificial snow by mixing water with a surfactant, the surfactant preferably forming 0.03% to 5% of the mixture by weight; aerating the mixture to form a foam of bubbles; and freezing the foam to form the snow crystals...  
WO/1986/003420A1
Installation for playing ball games, for example football. The ground (1) is divided into a plurality of areas (4) - (13), each provided with a special equipment based on ball-receiving and -returning nets such as (23), (24), (29), (34),...  
WO/1986/002936A1
A method of making artificial snow by mixing water with a water swellable polymer, preferably polyacrylamide, to approximately 50-70% of the maximum water retention capacity of the polymer, aerating the mixture and freezing the mixture t...  

Matches 451 - 500 out of 3,616