EP0433237A2 - Coussin amortisseur - Google Patents

Coussin amortisseur Download PDF

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Publication number
EP0433237A2
EP0433237A2 EP90810966A EP90810966A EP0433237A2 EP 0433237 A2 EP0433237 A2 EP 0433237A2 EP 90810966 A EP90810966 A EP 90810966A EP 90810966 A EP90810966 A EP 90810966A EP 0433237 A2 EP0433237 A2 EP 0433237A2
Authority
EP
European Patent Office
Prior art keywords
foam
mat
extreme
core
shot
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
EP90810966A
Other languages
German (de)
English (en)
Other versions
EP0433237B1 (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
Individual
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 Individual filed Critical Individual
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, in order 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, where 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 endure such an extreme load, 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 from the recipe so that they can have extreme properties.
  • Novel, so-called viscoelastic polyurethane foams are also known, which spring very slowly, so that they tolerate stronger, vertical impacts better, break through less quickly and move back so slowly that one 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 a solid object, weight, ball or dumbbell hits, etc.
  • the foam is mostly torn apart by the force and shear effect, especially a strong, oblique impact.
  • Coatings are also known which cover PU foam sheets like a 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 usually 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 result from the impact of a ball or from the landing of an athlete during the long jump or the impact of other heavy, hard objects, without tearing and without to penetrate, and on which you can also see for a moment where the ball has hit or where a long jumper has landed.
  • a viscoelastic, extremely inertly 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 crushing 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 the normal PU flexible 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.
  • DIN 53577 this has a crushing 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 the normal PU flexible foams are difficult to compare with this foam (it changes under the
  • viscoelastic foam Because its behavior in relation to the action of mechanical forces is extremely dependent. 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 around 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 in the foam much better. 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.
  • mats of any size from at least 50 to over 100 millimeters in thickness up to over 10 meters in length and up to over 2 meters in width individually laid out or laid out to form an area of any size 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)
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 true EP0433237A2 (fr) 1991-06-19
EP0433237A3 EP0433237A3 (en) 1991-11-13
EP0433237B1 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH697891B1 (de) 2007-01-19 2009-03-13 Kybun Ag Fitness- und Therapiematte zum Stehen und Gehen.

Citations (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
EP0168545A1 (fr) * 1983-08-12 1986-01-22 Astroturf Industries, Inc. Coussin unitaire en matière polymère absorbant les chocs pour gazon artificiel
US4627179A (en) * 1985-07-10 1986-12-09 Action Products, Inc. Shock absorbing insole construction
FR2621056A1 (fr) * 1987-09-28 1989-03-31 Thomasson Darrouy Ges Revetement de sol a structure composite destine notamment a la realisation de pistes ou surfaces de sport

Patent Citations (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
EP0168545A1 (fr) * 1983-08-12 1986-01-22 Astroturf Industries, Inc. Coussin unitaire en matière polymère absorbant les chocs pour gazon artificiel
US4627179A (en) * 1985-07-10 1986-12-09 Action Products, Inc. Shock absorbing insole construction
FR2621056A1 (fr) * 1987-09-28 1989-03-31 Thomasson Darrouy Ges Revetement de sol a structure composite destine notamment a la realisation de pistes ou surfaces de sport

Also Published As

Publication number Publication date
DE59004226D1 (de) 1994-02-24
EP0433237B1 (fr) 1994-01-12
ATE99973T1 (de) 1994-01-15
EP0433237A3 (en) 1991-11-13

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