EP2603297A1 - Ice hockey rink with a transparent structure - Google Patents

Ice hockey rink with a transparent structure

Info

Publication number
EP2603297A1
EP2603297A1 EP11816695.8A EP11816695A EP2603297A1 EP 2603297 A1 EP2603297 A1 EP 2603297A1 EP 11816695 A EP11816695 A EP 11816695A EP 2603297 A1 EP2603297 A1 EP 2603297A1
Authority
EP
European Patent Office
Prior art keywords
protective
stiffeners
dasher board
ice hockey
transparent
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
Application number
EP11816695.8A
Other languages
German (de)
French (fr)
Other versions
EP2603297A4 (en
EP2603297B1 (en
Inventor
Per Lindfors
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daco AB
Original Assignee
Daco AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daco AB filed Critical Daco AB
Publication of EP2603297A1 publication Critical patent/EP2603297A1/en
Publication of EP2603297A4 publication Critical patent/EP2603297A4/en
Application granted granted Critical
Publication of EP2603297B1 publication Critical patent/EP2603297B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/06—Apparatus for setting-out or dividing courts
    • A63C19/08—Mechanical means for marking-out
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/10—Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/06—Apparatus for setting-out or dividing courts
    • A63C19/08—Mechanical means for marking-out
    • A63C2019/085—Fences; Nets; Barriers

Definitions

  • the present invention concerns an ice hockey rink or similar arrangement that is intended to limit an ice arena and along at least one part of its length to include a transparent protective arrangement.
  • the invention concerns also a transparent protective arrangement formed from a transparent sheet of preferably polycarbonate that is similar, at least to a certain extent, to flexible plastic material.
  • Each section of dasher board includes principally a box-shaped lower base and a transparent upper protective part.
  • the base which is that part of the section that is normally referred to as "dasher board”, principally includes a frame covered by plastic panels.
  • the protective arrangement of the ice hockey rink is formed from transparent panels, of, for example, polycarbonate or a similar thermoplastic, which panels are arranged vertically on the lower base of the section of dasher board.
  • a commonly found transparent rink protection for ice hockey has a height of between 0.8 and 2.0 metres, measured from the upper edge of the base, and in modern facilities is arranged to run continuously around the complete rink, with the exception of the players' benches, which open out onto the dasher board.
  • the rink protection is intended to protect the spectators and officials from pucks, sticks and similar objects. It is the function of the rink protection also to prevent the spectators from throwing objects onto the ice.
  • Old ice hockey rinks normally consist of a number of joined sections, each one of which can be regarded as an independent supporting unit with a lower box-shaped base that is attached to a support surface, and an upper protective part in the form of a transparent sheet placed on the base.
  • the sheet that is a component of the protective part is enclosed by a U-shaped frame that is limited between vertical pillars that, in turn, are united with the frame of the base.
  • the transparent upper protective sheets be placed "seamlessly", i.e. standing on their edges side-by-side on the dasher boards, without intermediate pillars.
  • US 6004217 describes an ice hockey dasher board with a seamless design, whereby one transparent panel that is a component of each section of dasher board is mounted with one lower edge captivated in a longitudinal track or depression that is formed in the upper surface of the base.
  • adjacent protective parts are joined to each other at the top, at the upper edges that meet, with the aid of clamps.
  • Such modern rinks with seamless transparent protective panels thus lack vertical pillars and offer an unobstructed view for the spectators.
  • the individual protective parts in each section being mutually joined to each other at their adjacent upper edges, a stable construction is obtained in which the force of an impact against the dasher board is distributed between the joined upper protective parts.
  • An ice hockey rink must, of course, be constructed such that it demonstrates the stability required to withstand the force that can arise when a player is checked against the dasher board during the game, while it is at the same time important that the dasher board be so designed that it can brake with a flexible and energy-absorbent structure the energy from an impact, from, for example, a player who is checked against the dasher board in an unpropitious manner. This is necessary to prevent the risk of unnecessary injury to players during checking against the dasher board.
  • the possibilities of limiting the risk of injury during play close to the dasher board are a topic that has long been discussed within ice hockey federations, and there is a desire that the risk of injury during close aggressive play close to the dasher board be reduced as much as possible.
  • a first purpose of the invention is, therefore, to achieve an ice hockey rink of seamless type that satisfies the requirements for a combination of stability and an energy- absorbent structure that is flexible under impact and collision with the dasher board, such that it absorbs in a controlled manner the force from, for example, a player who is checked against the dasher boards.
  • a second purpose is to achieve a transparent protective arrangement intended to be a component of the said ice hockey rink or of a section of dasher board that is a component of this rink.
  • This first purpose of the invention is achieved through the ice hockey rink being given the features and characteristics that are specified in claim 1.
  • the said second purpose of the invention is achieved through the transparent protective arrangement being given the features and characteristics that are specified in claim 6. Further characteristics of the invention are made clear by the non-independent claims.
  • the present invention makes it possible to achieve a hockey rink of seamless type that demonstrates a combination of high stability and energy-absorbent structure on impact. Since the protective parts have a considerably lower thickness than previously, the protective parts are cheaper to manufacture, are of lower weight, and are easier to handle during not only mounting but also maintenance.
  • Figure 1 shows a side view of a part of an ice hockey dasher board produced from joined sections of dasher board with a protective arrangement according to the invention
  • Figure 2 shows an enlargement of a longitudinal section through a part of the protective arrangement, viewed along the line ll-ll in Figure 1 ,
  • Figure 3 shows a transverse section through a part of the protective arrangement, viewed along the line Ill-Ill in Figure 1 ,
  • Figure 4 shows a transverse section through a part of the protective arrangement, viewed along the line IV-IV in Figure 1 , and
  • Figure 5 shows schematically in a perspective view how sections of protective parts are joined in order to form a continuous upper transparent protective arrangement.
  • Figure 1 shows schematically a section of dasher board 1 , of the type that is used to form a surrounding ice hockey rink intended to separate a surface or arena of ice from the surrounding spectator areas.
  • the ice hockey rink is formed in known manner from a number of joined straight and curved sections 1a, 1 b of dasher board.
  • the free edge of the section of dasher board, denoted by 2 constitutes a part of the dasher board that limits an opening in the board, such as at a door or similar.
  • Each section of dasher board 1a, 1 b is essentially built up from a box-shaped lower base 3 and a transparent upper protective part 4 with a transparent sheet of flexible plastic material, preferably of polycarbonate or similar transparent thermoplastic material with high flexibility.
  • thermoplastic sheet have a thickness of approximately 8 mm, which is only half of the thickness of the hardened glass that has previously been used for protective arrangements of seamless type, and this means that the weight of a normal protective part 4 for an ice hockey rink will be only one third of that of prior art protective parts.
  • poly(methyl methacrylate), also known as "plexiglass” be used as material for the protective part, but it lacks the desired flexibility.
  • the protective part 4 is flexibly joined with the base 3, standing on the upper edge of the base, through one of its side edges 4a being inserted from above and captivated in a track 5 or groove at the upper part of the base 3.
  • the side edge 4a of the protective part is, in other words, so captivated in the horizontal upper edge of the base 3 that the protective part can bend outwards away from the arena when impacted (denoted by "F” in Figure 3).
  • the base 3 consists of a frame 6 with a cover 7 of plastic material, for example polyethene, that is affixed by means of screws 8 (see also Figure 2).
  • the frame 6 can be constituted by any suitable material, such as pressure-impregnated wood, hot-galvanised steel tubing, or aluminium, and it is attached to a support surface, such as a concrete floor.
  • the transparent upper protective part 4 for each section of dasher board 1a, 1 b is identical, independently of whether the section of dasher board is intended to form a continuous extended part of the rink or an end part that is intended to limit an opening in the dasher board at a door or similar.
  • the attachment of the protective part 4 to the base 3 does, however, differ somewhat, depending on whether the protective part limits an opening or not, as will be described in more detail below.
  • the section 1a of dasher board in Figure 1 illustrates such an intermediate section of dasher board, while the second section 1b of dasher board illustrates an end part of the dasher board.
  • the upper protective part 4 that is a component of each section of dasher board 1a
  • the protective part demonstrates an essentially plane principal surface 12, to which longitudinal stiffeners 13, 13' are assigned at opposite side edges. These stiffeners 13, 13' are formed through a part of the relevant side edge being folded at a right angle from the principal surface.
  • the stiffeners 13, 13' are intended to point in a direction out from the centre of the arena when the protective part 4 has been mounted.
  • the stiffeners 13, 13' have been bent with such a small radius of curvature that the side of the protective part that faces in towards the centre of the arena is experienced as completely smooth, without the appearance of any joints between the protective panels 4.
  • the stiffening edge stiffeners 13, 13' that are an integral part of the transparent protective part 4 thus have the task of supporting the protective part 4 and providing the relatively thin protective part with an increased resistance to bending away from the arena, as is shown in Figure 3.
  • This bending is a bending of the protective part 4 from a base plane that is denoted X-Y in Figure 5.
  • the edge stiffeners 13, 13' have the advantage that the protective part 4 can be provided with different flexibilities through the choice of a suitable construction and design of the edge stiffeners. It is a characteristic of the invention that the force-absorbing properties of the protective part 4 differ between deformation or bending of the same in different directions, i.e. depending on whether the protective part is bent through the influence of an impact in the longitudinal direction (i.e. along a line that is parallel with the longitudinal direction of the dasher board, X-X in Figure 5) or an impact in the transverse direction (sideways, i.e. along a line that is perpendicular to the longitudinal direction of the dasher board, Y-Y in Figure 5).
  • the protective part 4 demonstrates, through the vertical edge stiffeners 13, 13', a lower rigidity in the transverse direction than in the longitudinal direction Y-Y.
  • the protective part 4 will be bent outwards from the base plane X-Y with a relatively large resistance to bending, with respect to the affixation of the protective part at the top of the horizontal edge of the base 3.
  • the protective part 4 will bulge out from the centre of the arena with a relatively small resistance to bending along a line Y-Y that is perpendicular to the longitudinal direction of the dasher board in the manner that is illustrated in Figure 5.
  • An extended stiffening element is denoted by 14.
  • the free edge 2 at the end of the dasher board obtains the required stability through the interaction between the edge stiffener 13' and the stiffening element 14.
  • the protective part 4 is given different rigidities in the longitudinal and transverse directions through the varying profile that is offered by the edge-stiffening folds when the protective part is viewed in a transverse section. Since the stiffeners 13, 13' are formed through folding of the edge parts, however, the cross-sectional area of the protective part 4 will be essentially unchanged, while the existing material in the panel has simply been redistributed by the folding operation. Due to the ability of the present protective part 4 to form an arch in a bulge out from the arena when force is applied from an impact, it should be realised that the kinetic energy of an ice hockey player who is checked against the dasher board will be gradually braked through the protective part 4 having the ability both to bend and to bulge outwards from the centre of the arena.
  • the protective parts 4 be joined in a line with the adjacent longitudinal stiffeners 13, 13' supporting each other edge-to-edge.
  • the stiffeners 13, 13' thus serve at the same time also as jointing parts which, due to the significant support surface that is obtained through the folding, facilitates the joining and mounting of adjacent protective parts.
  • a series of holes 15 has been created in the stiffeners 13, 13' for the joining of the protective parts 4 (see also Figure 2).
  • the holes 15 are located at a distance from each other along the length of the relevant stiffener 13, 13'.
  • the stiffeners 13, 13' are joined through contact at their edges that are in contact by means of anchoring means 16, which in the embodiment described here are constituted by screws and their associated nuts.
  • the anchoring means 16 may be constituted by any suitable means such as, for example, pegs, spring-loaded clamps with a locking pin intended to extend through the holes 15, or similar.
  • the anchoring means 16 are arranged to extend through two holes located opposite to each other in adjacent stiffeners 13, 13' for a particular protective part 4. Adjacent protective parts 4 are secured to each other though the nut being applied to the screw with a pre-determined force, which ensures that adjacent stiffeners 13, 13' of neighbouring joined protective parts 4 are in close contact with each other.
  • the anchoring means 16 thus ensures that adjacent stiffeners 13, 13', and consequently also the protective parts 4, are joined in a direction of tension from each other, viewed in the longitudinal direction of the dasher board.
  • the ice hockey dasher board must be provided with a number of openings along its length, at, for example, the players' benches and in order to make the arena available for, for example, an ice machine. Since such an open part of the section of dasher board has a free edge 2 that is not connected with an adjacent section of dasher board, it must be given a higher stiffness and stability than other intermediate sections of dasher board.
  • Such a protective part 4 is shown in more detail in Figure 5, where one stiffened edge 13' of the protective part constitutes a free edge 2 at an opening in the dasher board, such as at a door.
  • the free edge 2 is provided with a somewhat higher rigidity along its longitudinal direction, considered from the centre of the arena (see Figure 3), than the stiffened edges 13, 13' of other protective parts 4 of the dasher board.
  • the free stiffener 13' of the protective part 4 which stiffener faces the opening, has been given an extended stiffening element 14 in the form of an angled rod or similar, in order to achieve stiffness.
  • the stiffening element 14 extends parallel to the edge stiffener 13' of the protective part 14 and is joined to it by means of anchoring means 16 in the form of screws and their associated nuts, inserted into holes 15 (see also Figure 4).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention concerns an ice hockey rink formed from joined straight and curved sections of dasher board (1a, 1b) surrounding an ice arena, where each section of dasher board comprises a box-shaped base (3) and a sheet upper transparent protective part (4) of flexible plastic material, that standing upright has one lower edge (4a) inserted from above and captivated in a track (5) in the base. In order to achieve an ice hockey rink combination of stability and an energy-absorbing structure that is flexible during impacts and collisions with the dasher board without compromising on the requirement for free and unrestricted view of the ice for the spectators, the upper protective parts (4) of the sections of dasher board are provided with longitudinal stiffeners (13, 13') at their adjacent side edges, and the adjacent stiffeners (13, 13') are united to each other by means of connectors (16).

Description

Ice hockey rink with transparent protective arrangement
The present invention concerns an ice hockey rink or similar arrangement that is intended to limit an ice arena and along at least one part of its length to include a transparent protective arrangement. The invention concerns also a transparent protective arrangement formed from a transparent sheet of preferably polycarbonate that is similar, at least to a certain extent, to flexible plastic material.
Modern ice hockey rinks are built up from a number of joined sections of dasher board. Each section of dasher board includes principally a box-shaped lower base and a transparent upper protective part. The base, which is that part of the section that is normally referred to as "dasher board", principally includes a frame covered by plastic panels. The protective arrangement of the ice hockey rink is formed from transparent panels, of, for example, polycarbonate or a similar thermoplastic, which panels are arranged vertically on the lower base of the section of dasher board.
A commonly found transparent rink protection for ice hockey has a height of between 0.8 and 2.0 metres, measured from the upper edge of the base, and in modern facilities is arranged to run continuously around the complete rink, with the exception of the players' benches, which open out onto the dasher board. The rink protection is intended to protect the spectators and officials from pucks, sticks and similar objects. It is the function of the rink protection also to prevent the spectators from throwing objects onto the ice.
Old ice hockey rinks normally consist of a number of joined sections, each one of which can be regarded as an independent supporting unit with a lower box-shaped base that is attached to a support surface, and an upper protective part in the form of a transparent sheet placed on the base. The sheet that is a component of the protective part is enclosed by a U-shaped frame that is limited between vertical pillars that, in turn, are united with the frame of the base.
In order to offer the spectators an unobstructed view, it is desirable that the transparent upper protective sheets be placed "seamlessly", i.e. standing on their edges side-by-side on the dasher boards, without intermediate pillars.
US 6004217 describes an ice hockey dasher board with a seamless design, whereby one transparent panel that is a component of each section of dasher board is mounted with one lower edge captivated in a longitudinal track or depression that is formed in the upper surface of the base. In combination with the said mounting, adjacent protective parts are joined to each other at the top, at the upper edges that meet, with the aid of clamps. Such modern rinks with seamless transparent protective panels thus lack vertical pillars and offer an unobstructed view for the spectators. As a consequence of the individual protective parts in each section being mutually joined to each other at their adjacent upper edges, a stable construction is obtained in which the force of an impact against the dasher board is distributed between the joined upper protective parts. In order to obtain the stability that is required, transparent panels of tempered or hardened glass are used with a thickness of 18 mm, which means that a normal protective part weighs nearly 90 kg. Thus it becomes very cumbersome to handle the protective parts. Since hardened glass is very hard, the protective part demonstrates a lack of the soft energy-absorbent structure that is desirable for a modern rink, and the protective part has the disadvantage that it may splinter into many small pieces as a consequence of the tension encapsulated during the hardening process. If this occurs during a match, it will lead to unnecessary interruption in play.
An ice hockey rink must, of course, be constructed such that it demonstrates the stability required to withstand the force that can arise when a player is checked against the dasher board during the game, while it is at the same time important that the dasher board be so designed that it can brake with a flexible and energy-absorbent structure the energy from an impact, from, for example, a player who is checked against the dasher board in an unpropitious manner. This is necessary to prevent the risk of unnecessary injury to players during checking against the dasher board. The possibilities of limiting the risk of injury during play close to the dasher board are a topic that has long been discussed within ice hockey federations, and there is a desire that the risk of injury during close aggressive play close to the dasher board be reduced as much as possible.
As a part of this work, it has become apparent that modern seamless protective parts do not demonstrate the desired flexibility when impacted. Even though the seamless protective parts can bend outwards from the ice, to a certain extent, relative to the lower base when impacted, it is a problem that prior art protective parts of hardened glass must demonstrate relatively large thickness in order to offer sufficient stability. This, in turn, leads to a number of disadvantages. The first is that the protective parts do not satisfy the requirements for elasticity and the controlled absorption of force that are placed on a modern ice hockey rink that is to be safe from the point of view of preventing injury. The second is that the protective parts become expensive to manufacture due to the extensive mass of material required. The third is that the parts, with the extensive mass of material with a weight of approximately 90 kg, become very cumbersome to handle for the personnel when mounting, maintaining and exchanging individual protective parts.
A first purpose of the invention is, therefore, to achieve an ice hockey rink of seamless type that satisfies the requirements for a combination of stability and an energy- absorbent structure that is flexible under impact and collision with the dasher board, such that it absorbs in a controlled manner the force from, for example, a player who is checked against the dasher boards. A second purpose is to achieve a transparent protective arrangement intended to be a component of the said ice hockey rink or of a section of dasher board that is a component of this rink.
This first purpose of the invention is achieved through the ice hockey rink being given the features and characteristics that are specified in claim 1. The said second purpose of the invention is achieved through the transparent protective arrangement being given the features and characteristics that are specified in claim 6. Further characteristics of the invention are made clear by the non-independent claims.
Among the many advantages of the present invention is that it makes it possible to achieve a hockey rink of seamless type that demonstrates a combination of high stability and energy-absorbent structure on impact. Since the protective parts have a considerably lower thickness than previously, the protective parts are cheaper to manufacture, are of lower weight, and are easier to handle during not only mounting but also maintenance.
The invention will be described below in more detail with reference to the attached drawings, of which:
Figure 1 shows a side view of a part of an ice hockey dasher board produced from joined sections of dasher board with a protective arrangement according to the invention,
Figure 2 shows an enlargement of a longitudinal section through a part of the protective arrangement, viewed along the line ll-ll in Figure 1 ,
Figure 3 shows a transverse section through a part of the protective arrangement, viewed along the line Ill-Ill in Figure 1 ,
Figure 4 shows a transverse section through a part of the protective arrangement, viewed along the line IV-IV in Figure 1 , and
Figure 5 shows schematically in a perspective view how sections of protective parts are joined in order to form a continuous upper transparent protective arrangement.
Figure 1 shows schematically a section of dasher board 1 , of the type that is used to form a surrounding ice hockey rink intended to separate a surface or arena of ice from the surrounding spectator areas. The ice hockey rink is formed in known manner from a number of joined straight and curved sections 1a, 1 b of dasher board. The free edge of the section of dasher board, denoted by 2, constitutes a part of the dasher board that limits an opening in the board, such as at a door or similar. Each section of dasher board 1a, 1 b is essentially built up from a box-shaped lower base 3 and a transparent upper protective part 4 with a transparent sheet of flexible plastic material, preferably of polycarbonate or similar transparent thermoplastic material with high flexibility. It is appropriate that the thermoplastic sheet have a thickness of approximately 8 mm, which is only half of the thickness of the hardened glass that has previously been used for protective arrangements of seamless type, and this means that the weight of a normal protective part 4 for an ice hockey rink will be only one third of that of prior art protective parts. It is also conceivable that poly(methyl methacrylate), also known as "plexiglass" be used as material for the protective part, but it lacks the desired flexibility.
The protective part 4 is flexibly joined with the base 3, standing on the upper edge of the base, through one of its side edges 4a being inserted from above and captivated in a track 5 or groove at the upper part of the base 3. The side edge 4a of the protective part is, in other words, so captivated in the horizontal upper edge of the base 3 that the protective part can bend outwards away from the arena when impacted (denoted by "F" in Figure 3). The base 3 consists of a frame 6 with a cover 7 of plastic material, for example polyethene, that is affixed by means of screws 8 (see also Figure 2). The frame 6 can be constituted by any suitable material, such as pressure-impregnated wood, hot-galvanised steel tubing, or aluminium, and it is attached to a support surface, such as a concrete floor. The transparent upper protective part 4 for each section of dasher board 1a, 1 b is identical, independently of whether the section of dasher board is intended to form a continuous extended part of the rink or an end part that is intended to limit an opening in the dasher board at a door or similar. The attachment of the protective part 4 to the base 3 does, however, differ somewhat, depending on whether the protective part limits an opening or not, as will be described in more detail below. The section 1a of dasher board in Figure 1 illustrates such an intermediate section of dasher board, while the second section 1b of dasher board illustrates an end part of the dasher board.
The upper protective part 4 that is a component of each section of dasher board 1a,
1b is shown in more detail in Figure 2, and the drawing makes it clear that the protective part demonstrates an essentially plane principal surface 12, to which longitudinal stiffeners 13, 13' are assigned at opposite side edges. These stiffeners 13, 13' are formed through a part of the relevant side edge being folded at a right angle from the principal surface. The stiffeners 13, 13' are intended to point in a direction out from the centre of the arena when the protective part 4 has been mounted. The stiffeners 13, 13' have been bent with such a small radius of curvature that the side of the protective part that faces in towards the centre of the arena is experienced as completely smooth, without the appearance of any joints between the protective panels 4. The stiffening edge stiffeners 13, 13' that are an integral part of the transparent protective part 4 thus have the task of supporting the protective part 4 and providing the relatively thin protective part with an increased resistance to bending away from the arena, as is shown in Figure 3. This bending is a bending of the protective part 4 from a base plane that is denoted X-Y in Figure 5.
The edge stiffeners 13, 13' have the advantage that the protective part 4 can be provided with different flexibilities through the choice of a suitable construction and design of the edge stiffeners. It is a characteristic of the invention that the force-absorbing properties of the protective part 4 differ between deformation or bending of the same in different directions, i.e. depending on whether the protective part is bent through the influence of an impact in the longitudinal direction (i.e. along a line that is parallel with the longitudinal direction of the dasher board, X-X in Figure 5) or an impact in the transverse direction (sideways, i.e. along a line that is perpendicular to the longitudinal direction of the dasher board, Y-Y in Figure 5). The protective part 4 demonstrates, through the vertical edge stiffeners 13, 13', a lower rigidity in the transverse direction than in the longitudinal direction Y-Y. In the event of an impact from within the rink, the protective part 4 will be bent outwards from the base plane X-Y with a relatively large resistance to bending, with respect to the affixation of the protective part at the top of the horizontal edge of the base 3. Furthermore, the protective part 4 will bulge out from the centre of the arena with a relatively small resistance to bending along a line Y-Y that is perpendicular to the longitudinal direction of the dasher board in the manner that is illustrated in Figure 5. An extended stiffening element is denoted by 14. This has the form of an angled rod that is united with the edge stiffener denoted by 13' and arranged to extend along it, which edge stiffener 13' is adjacent to the free edge 2 at the end. The free edge 2 at the end of the dasher board obtains the required stability through the interaction between the edge stiffener 13' and the stiffening element 14.
In summary, this means that, based on the base plane X-Y for a protective part 4, the resistance to bending will be greater with respect to bending of the protective part along a line X-X that is parallel to the longitudinal direction of the rink, i.e. along the fixation of the protective part in the dasher board, than it will be with respect to bending of the protective part along a line Y-Y that is perpendicular to the dasher board.
The protective part 4 is given different rigidities in the longitudinal and transverse directions through the varying profile that is offered by the edge-stiffening folds when the protective part is viewed in a transverse section. Since the stiffeners 13, 13' are formed through folding of the edge parts, however, the cross-sectional area of the protective part 4 will be essentially unchanged, while the existing material in the panel has simply been redistributed by the folding operation. Due to the ability of the present protective part 4 to form an arch in a bulge out from the arena when force is applied from an impact, it should be realised that the kinetic energy of an ice hockey player who is checked against the dasher board will be gradually braked through the protective part 4 having the ability both to bend and to bulge outwards from the centre of the arena.
Figure 5 makes it clear with all desired clarity that the stiffeners 13, 13' extend continuously along the sides of the protective part 4 or along its complete height, whereby the lower part 4a of the protective part is intended to be captivated with the relevant lower end of the stiffeners 13, 13' in the track 5 that is arranged in the upper surface of the base 3.
As Figures 1 , 3 and 5 make clear, it is intended that the protective parts 4 be joined in a line with the adjacent longitudinal stiffeners 13, 13' supporting each other edge-to-edge. The stiffeners 13, 13' thus serve at the same time also as jointing parts which, due to the significant support surface that is obtained through the folding, facilitates the joining and mounting of adjacent protective parts. A series of holes 15 has been created in the stiffeners 13, 13' for the joining of the protective parts 4 (see also Figure 2). The holes 15 are located at a distance from each other along the length of the relevant stiffener 13, 13'. The stiffeners 13, 13' are joined through contact at their edges that are in contact by means of anchoring means 16, which in the embodiment described here are constituted by screws and their associated nuts. It should, however, be understood that it would be possible for the anchoring means 16 to be constituted by any suitable means such as, for example, pegs, spring-loaded clamps with a locking pin intended to extend through the holes 15, or similar. The anchoring means 16 are arranged to extend through two holes located opposite to each other in adjacent stiffeners 13, 13' for a particular protective part 4. Adjacent protective parts 4 are secured to each other though the nut being applied to the screw with a pre-determined force, which ensures that adjacent stiffeners 13, 13' of neighbouring joined protective parts 4 are in close contact with each other. The anchoring means 16 thus ensures that adjacent stiffeners 13, 13', and consequently also the protective parts 4, are joined in a direction of tension from each other, viewed in the longitudinal direction of the dasher board.
As has been described above, the ice hockey dasher board must be provided with a number of openings along its length, at, for example, the players' benches and in order to make the arena available for, for example, an ice machine. Since such an open part of the section of dasher board has a free edge 2 that is not connected with an adjacent section of dasher board, it must be given a higher stiffness and stability than other intermediate sections of dasher board.
Such a protective part 4 is shown in more detail in Figure 5, where one stiffened edge 13' of the protective part constitutes a free edge 2 at an opening in the dasher board, such as at a door. The free edge 2 is provided with a somewhat higher rigidity along its longitudinal direction, considered from the centre of the arena (see Figure 3), than the stiffened edges 13, 13' of other protective parts 4 of the dasher board. As has been mentioned above, the free stiffener 13' of the protective part 4, which stiffener faces the opening, has been given an extended stiffening element 14 in the form of an angled rod or similar, in order to achieve stiffness. The stiffening element 14 extends parallel to the edge stiffener 13' of the protective part 14 and is joined to it by means of anchoring means 16 in the form of screws and their associated nuts, inserted into holes 15 (see also Figure 4).
The invention is not limited to what has been described above and shown in the drawings: it can be changed and modified in several different ways within the scope of the innovative concept defined by the attached patent claims.

Claims

1. An ice hockey rink formed from joined straight and curved sections (1a, 1b) of dasher board surrounding an ice arena, where each section of dasher board comprises a box-shaped lower base (3) and a sheet upper transparent protective part (4), that, standing on the upper edge of the base, has one lower edge (4a) inserted from above and captivated in a track (5) in the base 3, c h a r a c t e r i s e d in that the upper protective parts (4) of the sections (1a, 1 b) of dasher board are manufactured from transparent flexible material and are provided with stiffeners (13, 13') at their adjacent side edges, through which stiffeners (13, 13') neighbouring protective parts (4) are united to each other by means of connectors (16).
2. The ice hockey rink according to claim 1 , whereby stiffeners (13, 13') are manufactured from similar transparent material.
3. The ice hockey rink according to claim 2, whereby the stiffeners (13, 13') comprise side edges of the protective part (4) that in order to provide reinforcement have been bent at a right angle to the principal surface of the protective part.
4. The ice hockey rink according to claim 3, whereby the side edges that have been folded to stiffeners (13, 13') point in the direction out from the centre of the arena limited by the rink.
5. The ice hockey rink according to any one of claims 1-4, comprising connectors (16) that can be removed and that in interaction with holes (15) arranged in the stiffeners (13, 13') lock adjacent protective parts (4) in a direction of tension from each other.
6. The ice hockey rink according to any one of claims 1-5, comprising a supplementary extended stiffening element (14) arranged to interact, in association with a free edge (2) of the dasher board, at a part of the dasher board that can be opened, with a stiffener (13, 13') in order to provide the stiffener with a greater resistance to bending at the free edge.
7. A transparent protective arrangement comprising a series of sheet transparent protective parts (4) intended to be mounted on a dasher board in order to form a part of an ice hockey rink located at an elevation, c h a r a c t e r i s e d in that each protective part (4) is manufactured from transparent flexible material, and in that stiffeners (13, 13') are arranged at two opposing side edges of the protective part.
8. The transparent protective arrangement according to claim 7, whereby the stiffeners (13, 13') are manufactured from similar transparent material.
9. The protective arrangement according to either claim 7 or 8, whereby the flexible material comprises a transparent thermoplastic, preferably in the form of polycarbonate.
10. The protective arrangement according to any one of claims 7-9, whereby the stiffeners (13, 13') run continuously along the two opposite side edges of the protective part (4).
11. The protective arrangement according to any one of claims 8-10, whereby the stiffeners (13, 13') comprise side edges of the protective part (4) that are folded at a right angle to the principal surface of the protective part.
12. The protective arrangement according to any one of claims 9-11 , whereby the protective part (4) is provided with mounting holes (15) in the stiffeners (13, 13').
EP11816695.8A 2010-08-11 2011-08-05 Ice hockey rink with a transparent structure Not-in-force EP2603297B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1050847A SE537963C2 (en) 2010-08-11 2010-08-11 Ice hockey rink with transparent protective device
PCT/SE2011/050980 WO2012021105A1 (en) 2010-08-11 2011-08-05 Ice hockey rink with a transparent structure

Publications (3)

Publication Number Publication Date
EP2603297A1 true EP2603297A1 (en) 2013-06-19
EP2603297A4 EP2603297A4 (en) 2014-02-26
EP2603297B1 EP2603297B1 (en) 2016-06-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11816695.8A Not-in-force EP2603297B1 (en) 2010-08-11 2011-08-05 Ice hockey rink with a transparent structure

Country Status (3)

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EP (1) EP2603297B1 (en)
SE (1) SE537963C2 (en)
WO (1) WO2012021105A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201207093D0 (en) 2012-04-23 2012-06-06 1196501 Ontario Inc Impact absorbing dasherboards
US9091091B2 (en) * 2013-07-11 2015-07-28 Dean L Sicking Energy absorbing sports board assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030114234A1 (en) * 2001-07-31 2003-06-19 Martin Donald C. Glass laminate system for hockey rinks
WO2009056676A1 (en) * 2007-10-31 2009-05-07 Rai-Ta Sport Oy Board structure for an ice-hockey rink
WO2010105353A1 (en) * 2009-03-18 2010-09-23 1196501 Ontario Inc. Ice-rink dasherboards lacking protruding sills

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030114234A1 (en) * 2001-07-31 2003-06-19 Martin Donald C. Glass laminate system for hockey rinks
WO2009056676A1 (en) * 2007-10-31 2009-05-07 Rai-Ta Sport Oy Board structure for an ice-hockey rink
WO2010105353A1 (en) * 2009-03-18 2010-09-23 1196501 Ontario Inc. Ice-rink dasherboards lacking protruding sills

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012021105A1 *

Also Published As

Publication number Publication date
WO2012021105A1 (en) 2012-02-16
EP2603297A4 (en) 2014-02-26
SE537963C2 (en) 2015-12-15
EP2603297B1 (en) 2016-06-01
SE1050847A1 (en) 2012-02-12

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