EP0433237B1 - Coussin amortisseur - Google Patents

Coussin amortisseur Download PDF

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Publication number
EP0433237B1
EP0433237B1 EP90810966A EP90810966A EP0433237B1 EP 0433237 B1 EP0433237 B1 EP 0433237B1 EP 90810966 A EP90810966 A EP 90810966A EP 90810966 A EP90810966 A EP 90810966A EP 0433237 B1 EP0433237 B1 EP 0433237B1
Authority
EP
European Patent Office
Prior art keywords
shock absorbing
mat
foam
absorbing mat
core
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.)
Expired - Lifetime
Application number
EP90810966A
Other languages
German (de)
English (en)
Other versions
EP0433237A2 (fr
EP0433237A3 (en
Inventor
Karl Hofer
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.)
Hofer Karl
Original Assignee
Hofer Karl
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 Hofer Karl filed Critical Hofer Karl
Priority to AT90810966T priority Critical patent/ATE99973T1/de
Publication of EP0433237A2 publication Critical patent/EP0433237A2/fr
Publication of EP0433237A3 publication Critical patent/EP0433237A3/de
Application granted granted Critical
Publication of EP0433237B1 publication Critical patent/EP0433237B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A63C19/04—Mats or carpets for courts

Definitions

  • the invention relates to a damping mat according to the preamble of claim 1.
  • Jump mats that are suitable for catching athletes after jumps must generally insulate as gently as possible. As a rule, however, they cannot withstand extremely extreme, hard, oblique impacts, blows and other extreme loads. They mostly have covers made of known substances, such as tarpaulin substances, etc., to protect the foam core. Long jump in sand is performed outdoors and the shot is hit on the lawn during shot put. In halls, when other mats were previously used, it was difficult to see where, for example, the ball hit or where a long jumper landed. In addition, most conventional mats could not withstand such extreme loads, the foam cores were often damaged and torn. The extremely slow and viscous foam used in the invention was also unable to withstand this enormous strain.
  • So-called PU special foams in ester and ether formulations, which can be adjusted in the recipe so that they can have extreme properties.
  • Viscoelastic polyurethane foams which spring very slowly, so that they can withstand stronger, vertical blows better, break through less quickly and move back so slowly that you can still see the imprints for a moment.
  • This special foam also does not tolerate extreme loads and oblique impacts, such as those that occur when the ball strikes a shot put, when an athlete lands during a long jump, when objects, weights, balls or dumbbells hit, etc.
  • the foam is mostly torn apart by the force and shear effect, especially of a strong, oblique impact.
  • Coatings are also known which cover PU foam sheets like skin.
  • this skin as it is applied in a known manner, is not as tear-resistant and is usually applied only relatively thinly.
  • the anchoring in the foam was mostly insufficient, so that the thin skin detached itself or cracked too quickly under such extreme stress.
  • the present invention is based on the object of providing a mat which can withstand extreme loads such as those which arise when a ball impacts or when an athlete lands during a long jump or other heavy, hard objects, without tearing and without to penetrate, and on which you can see for a moment where the ball has hit or where a long jumper has landed.
  • a viscoelastic, extremely support spring foamed, ester-based polyurethane foam with a density of more than 60 kg / m3 is used in the petrochemical industry. According to DIN 53577, this has a compression hardness of 6 kPa and can withstand a breaking load of approx. 200 kPa.
  • Such a foam is commercially available. Since the other otherwise comparable DIN specifications (e.g. from the company Nauer, Switzerland) of normal PU soft foams are difficult to compare with this foam (it changes under the influence of temperature and becomes softer at higher temperatures and hard at lower temperatures) the specification of further DIN data is dispensed with.
  • viscoelastic foam Because its behavior to the action of mechanical forces is extremely dependent on the rate of deformation. Slow application of force provokes viscous behavior, shock-like application of elastic behavior.
  • This shock-absorbing polyurethane foam offers the desired physical properties, especially in the temperature range of about 15 to 21 degrees Celsius, to withstand the enormous impacts that occur when a ball hits a shot put and intercept the ball so that you can still see the impression for a moment.
  • a protective layer made of a known, tough polyurethane coating composition e.g. applied to Tivoli-Chemie in such a way that it first penetrates into the outermost layer of this foam and crosslinks with it. This strengthens the foam in its outermost main stress zone.
  • the coating skin is anchored much better in the foam. This measure covers the surface of the foam tough and tear-resistant, so that the mat can withstand such extreme loads and impacts, for example when catching a ball during shot put or when punching with a fist or other loads.
  • the coating also improves the mat's catching properties, the surface becomes more resistant and is also protected against dirt.
  • This combination of a very inert, viscoelastic PU special foam with a deep and thick applied, elastic and very tough polyurethane coating made it possible for the first time to provide a mat that can withstand such extreme loads without tearing and in which one can be used Moment can see the point of the impact, which makes it possible to measure the thrust, throw and jump distance.
  • the invention created a mat for the first time, which is suitable for extreme loads such as Shot put, long jump in halls, etc. is suitable. But this new mat can also be used for other areas of application where extreme impacts and bumps have to be absorbed.
  • mats of any size from at least 50 to over 100 millimeters thick up to over 10 meters long and up to over 2 meters wide individually laid out or laid out to an arbitrarily large area and possibly even connected as desired.
  • an area of 150 m2 is preferably laid out in a thickness of 70 millimeters, while for weightlifting mostly only two plates of 2 x 1 meter in a thickness of at least 100 millimeters are used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Vibration Dampers (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Polyurethanes Or Polyureas (AREA)

Claims (4)

  1. Tapis amortisseur pour absorber des chocs et similaires, à utiliser notamment dans la zone de réception ou d'impact pour divers types de sports, comprenant une partie principale en mousse et une enveloppe, caractérisé en ce qu'afin d'amortir élastiquement les impacts tout en restituant avec retardement les déformations, la partie principale contient une couche viscoélastique, à grande inertie, de mousse de polyuréthanne à base d'ester, et l'enveloppe est constituée d'une enduction relativement épaisse, réticulée avec la couche extérieure de la partie principale, d'une matière présentant une résistance à la déchirure relativement élevée.
  2. Tapis amortisseur selon la revendication 1, caractérisé en ce que l'enduction est constituée d'une matière à base de polyuréthanne.
  3. Tapis amortisseur selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie principale est constituée de plusieurs couches, dont au moins une est réalisée en mousse de polyuréthanne viscoélastique.
  4. Tapis amortisseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le tapis est enduit des deux côtés.
EP90810966A 1989-12-12 1990-12-11 Coussin amortisseur Expired - Lifetime EP0433237B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90810966T ATE99973T1 (de) 1989-12-12 1990-12-11 Daempfungsmatte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4454/89 1989-12-12
CH445489 1989-12-12

Publications (3)

Publication Number Publication Date
EP0433237A2 EP0433237A2 (fr) 1991-06-19
EP0433237A3 EP0433237A3 (en) 1991-11-13
EP0433237B1 true EP0433237B1 (fr) 1994-01-12

Family

ID=4276430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810966A Expired - Lifetime EP0433237B1 (fr) 1989-12-12 1990-12-11 Coussin amortisseur

Country Status (3)

Country Link
EP (1) EP0433237B1 (fr)
AT (1) ATE99973T1 (fr)
DE (1) DE59004226D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008006453U1 (de) 2007-01-19 2008-11-13 Kybun Ag Fitness- und Therapiematte zum Stehen und Gehen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2510863A1 (de) * 1975-03-12 1976-09-30 Schlemmer Extra Werke Gmbh Turn-, gymnastik- oder fussmatte
US4505960A (en) * 1983-08-12 1985-03-19 Monsanto Company Unitary shock-absorbing polymeric pad for artificial turf
US4627179A (en) * 1985-07-10 1986-12-09 Action Products, Inc. Shock absorbing insole construction
FR2621056B1 (fr) * 1987-09-28 1991-03-08 Thomasson Darrouy Ges Revetement de sol a structure composite destine notamment a la realisation de pistes ou surfaces de sport

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008006453U1 (de) 2007-01-19 2008-11-13 Kybun Ag Fitness- und Therapiematte zum Stehen und Gehen

Also Published As

Publication number Publication date
DE59004226D1 (de) 1994-02-24
EP0433237A2 (fr) 1991-06-19
ATE99973T1 (de) 1994-01-15
EP0433237A3 (en) 1991-11-13

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