EP0364474A1 - Tiles for playground surfaces. - Google Patents
Tiles for playground surfaces.Info
- Publication number
- EP0364474A1 EP0364474A1 EP19880904997 EP88904997A EP0364474A1 EP 0364474 A1 EP0364474 A1 EP 0364474A1 EP 19880904997 EP19880904997 EP 19880904997 EP 88904997 A EP88904997 A EP 88904997A EP 0364474 A1 EP0364474 A1 EP 0364474A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tile
- projections
- edge
- tiles
- tile according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000010068 moulding (rubber) Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/005—Individual couplings or spacer elements for joining the prefabricated units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/04—Pavings made of prefabricated single units
- E01C13/045—Pavings made of prefabricated single units the prefabricated single units consisting of or including bitumen, rubber or plastics
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/18—Pavings made of prefabricated single units made of rubber units
Definitions
- This invention relates to tiles for covering playground surfaces.
- the stirface layer reduces the chances of cuts and abrasions.
- the surface layer can conveniently be applied in the form of tiles of rectangular, especially square shape.
- This fixing tech- nique has the disadvantages that great care is needed when laying the tiles to ensure that they abut tightly together and no gaps which would collect dirt and form trip points are left. Furthermore, replacement of indivi ⁇ dual damaged tiles is a difficult problem.
- tile which can be laid on top of a level ground surface.
- a ramp edge can be laid around the tiled area to provide a smooth gradual transition from the surrounding ground surface to the tile surface.
- These tiles provide only limited energy absorbtion under impact due to their rela- tively small thickness.
- An alternative form of tile having better energy absorbing characteristics consists of a flat upper sheet or pad from the lower side of which projects a multiplicity of integral conical studs. The length of the studs is several times the thickness of the upper sheet, and the tile as a whole has such a- hickness that it is not ideal for laying directly on top of the ground surface, and it is usually necessary to provide a shallow excavation enabling the tiles to be sunk into the ground.
- the present invention has for its broad aim to eliminate, or at least significantly .reduce the disadvant ⁇ ages of the known tiles as elucidated above.
- the invention resides in a surface tile of rubber or other similar resiliently defortnable material, comprising an upper sheet and integral projections extending from the underside of the sheet, the projections being hollow and capable of collapsing by buckling under impact against the upper tile surface.
- the same energy absorbtion performance can be achieved with projections of much shorter length than the solid studs used in the prior art tiles, and without forfeiting the support given to the sheet under normal loading.
- the projections are cylindrical and have a length substantially less than their diameter.
- the projections are arranged in a regular array with their centres located at the corners of a pattern of squares .
- the invention resides in a fixin member in combination with a surface tile of rubber or other similar resiliently deformable material, the fixing member comprising a first part adapted to be fixed securely to the ground and a second, annular part for engaging a projection on the underside of the tile to attach the tile securely to the ground.
- the tiles have part projections at the edges thereof, and the fixing member is capable of engaging part projections of adjacent tiles for holding the tiles in close abutment as well as fixing them to the ground.
- the annular engaging part of the fixing member is preferably circular and dimensioned to fit tightly around a projection.
- the engaging part, and possibly the tile projection can be provided with a locking tooth-like projection.
- the first part may be adapted, e.g. by the provision of holes, to be fixed to the ground by bolts or other fasteners.
- the present invention provides an edge strip for use with a surface tile of rubber or other resiliently deformable material, the strip being of a similar material and being arranged to be fixed against a free edge of the tile to provide a transition between the tile and an adjacent ground surface.
- One novel feature of the edge strip resides in each end thereof being angled substantially at 135 to the inner edge of the strip, and having areas of reduced thickness defining lines along which the strip can be cut, said lines extending at angles of substantially 90 and -5 , respectively, to the - _ -
- edge strip With such an edge strip the same strip can be used, by severing the end along a cut line if necessary, to form a straight connection between an internal corner or an external corner with an adjacent edge strip.
- a second novel feature of the edge strip resides in an outer edge portion normally projecting beyond the lower face of the strip, whereby the edge portion is stressed into abutment with the ground when the edge strip is fixed to the ground. The stressing of the edge portion helps prevent gaps, e.g. if the ground is not perfectly lat, and to prevent articles being forced under the edge.
- Figure 1 shows in plan view a tile layout
- Figure 2 is a perspective view of one tile
- Figure 3 s an underneath view of the tile
- Figure . is a section taken along the line IY-IV in Figure 3;
- Figure 5 is a plan view of a tile ground fixing memberj
- Figure 6 is a side view of the fixing member
- Figure 7 is a section taken along the line VII- VII in Figure ;
- Figure 8 is a sectional view showing the engage ⁇ ment of- the fixing member with -two tiles
- Figures 9, 10 and 11 show in plan, side and end view, respectively, a tile edge strip;
- Figure 12 shows in end view an alternative edge strip;
- Figure 13 is an underneath view -of a modified tile for use in a cavity installation
- Figure 1 is an enlarged view showing a corner part of the tile in Figure 13;
- Figures 15, l6 and 17 are sections taken along the lines XV - XV, XVI - XVI and XVII - XVII, respectively, in Figure l ;
- Figure 18 is a plan view of a ground fixing member for use with the tile of Figure 13;
- Figures 19, 20 and 21 are sections taken along the lines XIX - XIX, XX - XX and XXI - XXI, respectively, of Figure l ⁇ .
- FIG. 1 Illustrated in Figure 1 is a playground tile layout, the tiles being laid on the top of a level ground surface. As shown there are five tiles 1 of- identical construction to each other. Extending around the tiles is a continuous ramp edge or square ' edge formed from identical edge strips 2 as will be described in more detail below. The tiles and edge strip*are fastened securely to the ground by ground fixing members located at the positions indicated by the letters A and B in Figure 1.
- tile 1 is formed as a rubber moulding and as may be seen from Figures 2 to . has a generally flat upper sheet -. from the underside of which extend project ⁇ ions 5 arranged in a regular array.
- the projections consist of hollow cylinders open at their lower ends and arranged with their centres at the corners of a pattern of squares.
- Half-projections are located at the tile edges, with quarter projections at the corners, the arrangement being such that each tile edge has the same appearance as the other three edges. When two tiles are placed together the half-projections combine to form complete cylindrical projections, and when the corners of four tiles are placed together the quarter-projections define a complete cylinder, as will be apparent from Figure 1.
- the tile may have a thickness of around 0 mm with the upper sheet having a thickness of about _ ⁇ to ' the- length of the projections.
- the diameter of the projections is substantially greater than, e.g. 2 to 3 times, their length. Under normal loads the projections 5 provide firm support for the sheet ., but the walls of the pro ⁇ jections can buckle under a shock loading to cushion the impact and provide gradual energy absorbtion.
- a moulded rubber edge strip 2 is shown in detail in Figures 9 to 11.
- each end of the strip is inclined to the inner edge at 135 . so .that two strips can be positioned against adjacent edges of a tile and define a continuous ramp surface around the external corner e.g. as indicated at positions X in Figure 1.
- the strip 2 is moulded with V-grooves 9, 10, or the like, extending along lines at 90 and -__. to the inner edge. These V-grooves define predetermined cut lines.
- Two strips cut along grooves 9 can be laid in a straight line, as indicated at positions Y in Figure 1, and two strips cut along grooves 10 can define an internal corner ramp section as indicated at in Figure 1. Thus only one form of strip is needed to provide a continuous ramp edge around a tile layout, whatever the perimeter shape.
- the side wall 8 includes a wedge shaped free edge portion 12 which projects beyond the lower face of the edge strip 1, so that when the strip is fixed to the ground the portion 12 is stressed and presses down against the ground. This ensures that the edge fits tightly against the ground to prevent ingress of dirt under the edge strip and prevents articles being pushed under the edge strip. If required the undersurface of the edge portion 12 can be affixed to the ground with adhesive.
- An alternative form of edge strip is shown in Figure 12. It differs from that of Figures 9 to 11 in that it has a vertical outer side wall 13 instead of a sloping wall. This strip is intended to be used when the tiles are to he recessed into a cavity and it obviates the need for a surrounding timber or concrete up-stand which would otherwise be required.
- ground fixing members 15 one of which is shown in Figures 5 to 7- It can be formed as a plastics, or hard, rubber moulding and consists of an annular base l6 with an upstanding circular rim 17 having an internal diameter to make a tight fit around the tile projections. On the inside of the rim a locking tooth 18 is provided for gripping the projection.
- the base includes a pair of projecting lugs 19 with holes 20 intended for bolting the member to the ground.
- fixing members may be used for each tile (up to the total number of projections ) as may be considered appropriate, but a few located at suitable positions should be adequate.
- Some members 15 may De used merely to hold adjacent tiles together, such as that at position B in Figure 1, without being fixed to the ground.
- the fixing members shown at positions A in Figure 1 are bolted to the ground. They are located at the tile edges and they engage the co-operating part projections of the edge strips and tiles for securing both to the ground. Although the tiles and edge strips are held very securely by the fixing members they can be forced away, e.g. for replace ⁇ ment of a damaged tile.
- a fixing member is shown in Figure 8 engaged with projections of two abutting tiles.
- the modified tile illustrated in Figures 13 to 17 differs to that of Figures 2 to 'i in that it has a peripheral skirt 30 depending from the upper sheet, and cruciform webs 31 interconnecting the four projections centred at the corners of each square.
- the webs stiffen the upper ends of. the projections to improve the energy absorbing characteristics and the skirt helps prevent sharp tools being forced between and under the tiles in an unauthorised attempt to remove them.
- the projections 5 are tapered at their lower ends to - facilitate insertion into the gripping members, and are provided with peripheral grooves 33 to assist their lock ⁇ ing engagement in these members.
- each projection has a frusto-conical hub 37 which is located centrally within the rim and connected to it by the spokes 36.
- the lugs 19 are formed with upstanding edges 8 which are joined to the rim 17 «
Abstract
Une dalle en caoutchouc ou similaire présente des épaulements cylindriques creux (5) partant de la face inférieure d'une plaque (4) et aptes à se déformer pour amortir les chocs contre la surface supérieure de la dalle. Les dalles, et les bandes de rive (2) qui sont posées autour de la région de dallage pour définir une transition douce entre les surfaces des dalles et la surface du terrain environnant, sont fixées sur le sol par des éléments de fixation (15) qui enserrent fermement les épaulements sur la face inférieure des dalles et les bandes de rive.A rubber slab or the like has hollow cylindrical shoulders (5) extending from the underside of a plate (4) and capable of deforming to absorb shocks against the upper surface of the slab. The slabs, and the edge strips (2) which are laid around the paving region to define a smooth transition between the surfaces of the slabs and the surrounding ground surface, are fixed to the ground by fastening elements (15) which firmly enclose the shoulders on the underside of the slabs and the edge strips.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878713995A GB8713995D0 (en) | 1987-06-16 | 1987-06-16 | Tiles |
GB8713995 | 1987-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0364474A1 true EP0364474A1 (en) | 1990-04-25 |
EP0364474B1 EP0364474B1 (en) | 1992-09-16 |
Family
ID=10618957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880904997 Expired - Lifetime EP0364474B1 (en) | 1987-06-16 | 1988-06-13 | Tiles for playground surfaces |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0364474B1 (en) |
JP (1) | JPH03500311A (en) |
AU (1) | AU611176B2 (en) |
DE (1) | DE3874740T2 (en) |
GB (1) | GB8713995D0 (en) |
WO (1) | WO1988010339A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902419C3 (en) * | 1989-01-27 | 2000-06-15 | Dieter Opitz | Flooring |
DE9209520U1 (en) * | 1992-07-16 | 1992-09-10 | Zink, Walter, 7440 Nuertingen, De | |
WO2003033818A1 (en) | 2001-10-17 | 2003-04-24 | Werner Otto | Assembly for fixing to the ground |
US7575795B2 (en) | 2002-04-02 | 2009-08-18 | Seamless Alteratory Technologies, Inc (Satech) | Impact absorbing safety matting system with elastomeric sub-surface structure |
DE102005002854A1 (en) * | 2005-01-20 | 2006-08-24 | Conradi + Kaiser Gmbh | Impact absorbing mat especially for floor covering has an elastic mat with blind holes on the underside to set the required flexibility |
GB2431416A (en) * | 2005-10-22 | 2007-04-25 | Nicholas Julian John Carr | Raised passenger platform kit |
US9603461B2 (en) | 2008-10-03 | 2017-03-28 | Edizone, Llc | Breathable gel |
US8932692B2 (en) | 2008-10-03 | 2015-01-13 | Edizone, Llc | Cushions comprising deformable members and related methods |
US10438232B2 (en) * | 2017-08-14 | 2019-10-08 | Facebook, Inc. | Exposure profile optimization |
LV15393B (en) * | 2017-09-15 | 2020-02-20 | Vaitkus Rims | Elastic road and field surface from manufactured elements and its construction method |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT240020B (en) * | 1962-11-22 | 1965-05-10 | Semperit Ag | Stable flooring made of elastic material |
FR1438240A (en) * | 1964-10-20 | 1966-05-13 | Floor covering, in particular for outdoor or under cover, games or sports | |
GB1265625A (en) * | 1969-11-21 | 1972-03-01 | ||
DE2063807A1 (en) * | 1970-12-24 | 1972-07-06 | Schreiber, Willi, 6000 Frankfurt | Heatable and / or coolable floor to be assembled from prefabricated components |
DE2319213A1 (en) * | 1973-04-16 | 1974-10-24 | Franz Buchmayer | MODULAR KIT |
DE2409772A1 (en) * | 1974-03-01 | 1975-09-18 | Ernst Moeckl | Resilient plastic ball-game court grid paving panel - with surface of sunken-crossbar -linked discs with downwards-extending supports |
DE2614095A1 (en) * | 1976-04-01 | 1977-10-06 | Michael Friederichsen | Paving or flag stone coated with rubber-elastic material - is easy to keep clean and also suitable for curved surfaces |
EP0044371A1 (en) * | 1980-07-23 | 1982-01-27 | L'IMMOBILIERE THIONVILLOISE Société Anonyme Française | Composable panels for continuous impervious coverings |
US4577448A (en) * | 1981-06-17 | 1986-03-25 | The British Picker Company, Ltd. | Floors |
DE3405628A1 (en) * | 1983-02-19 | 1986-07-10 | Hartmut 5000 Köln Schäfer | Fall protection surface |
CA1191304A (en) * | 1983-02-23 | 1985-08-06 | Richard A. Morrison | Mat module with ramp strip |
DE8323211U1 (en) * | 1983-08-11 | 1987-01-08 | Agrob-Wessel-Servais Ag, 5305 Alfter, De |
-
1987
- 1987-06-16 GB GB878713995A patent/GB8713995D0/en active Pending
-
1988
- 1988-06-13 AU AU19388/88A patent/AU611176B2/en not_active Ceased
- 1988-06-13 EP EP19880904997 patent/EP0364474B1/en not_active Expired - Lifetime
- 1988-06-13 DE DE19883874740 patent/DE3874740T2/en not_active Expired - Fee Related
- 1988-06-13 JP JP50472588A patent/JPH03500311A/en active Pending
- 1988-06-13 WO PCT/GB1988/000456 patent/WO1988010339A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8810339A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU1938888A (en) | 1989-01-19 |
EP0364474B1 (en) | 1992-09-16 |
GB8713995D0 (en) | 1987-07-22 |
WO1988010339A1 (en) | 1988-12-29 |
DE3874740D1 (en) | 1992-10-22 |
AU611176B2 (en) | 1991-06-06 |
DE3874740T2 (en) | 1993-02-04 |
JPH03500311A (en) | 1991-01-24 |
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Legal Events
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