EP0875164B1 - Energieaufnehmende Schuh-Unterkonstruktion für Sicherheitsschuhe - Google Patents
Energieaufnehmende Schuh-Unterkonstruktion für Sicherheitsschuhe Download PDFInfo
- Publication number
- EP0875164B1 EP0875164B1 EP98107271A EP98107271A EP0875164B1 EP 0875164 B1 EP0875164 B1 EP 0875164B1 EP 98107271 A EP98107271 A EP 98107271A EP 98107271 A EP98107271 A EP 98107271A EP 0875164 B1 EP0875164 B1 EP 0875164B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- energy
- sole
- base construction
- construction 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.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000006378 damage Effects 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000009411 base construction Methods 0.000 claims 10
- 239000012815 thermoplastic material Substances 0.000 claims 1
- -1 polypropylene Polymers 0.000 abstract description 4
- 229930040373 Paraformaldehyde Natural products 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 3
- 229920006324 polyoxymethylene Polymers 0.000 abstract description 3
- 229920001155 polypropylene Polymers 0.000 abstract description 3
- 239000004814 polyurethane Substances 0.000 abstract description 3
- 239000004952 Polyamide Substances 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 229920002647 polyamide Polymers 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 210000003423 ankle Anatomy 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 40
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 7
- 210000000474 heel Anatomy 0.000 description 7
- 239000013013 elastic material Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 210000002683 foot Anatomy 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 4
- 235000019577 caloric intake Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000000459 calcaneus Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
- A43B21/26—Resilient heels
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
- A43B21/30—Heels with metal springs
Definitions
- the invention relates to a shoe substructure, especially for safety shoes, with a sole construction with one to protect against impulses or impacts Injuries arranged in the heel or heel area
- a flat, about disc-like hollow body with a circular contour has first wall and a second wall, the second wall, bowl-shaped, in particular frustoconical is formed, the shell-shaped second wall a flat-conical circumferential section and one centric, flat, integral with the Connected peripheral portion and to one by the Sole structure in the heel area defined foot contact area has approximately parallel central section and that the two walls of the hollow body as separate Molded parts formed and in the area of their peripheral edges - preferably via a positive or non-positive Snap connection - so tightly connected are that the internal cavity of the embedded, in particular with PU-foamed hollow body free of that surrounding material of the elastic sole layer is.
- Footwear for the commercial sector is meant to be in case falls to protect against impact-related injuries, in particular heel fractures, an energy absorbing Show shoe base.
- EN 344 For energy absorption the European standard EN 344 requires a value of 20 Joules, while the previous national DIN 4843 had a value of 30 joules.
- the different values are on the one hand due to the fact that so far in certain countries faced technical problems with the higher value to reach. On the other hand, it is also due to different ones Measuring methods, which are in the standards for detection energy consumption are described. in principle but it can be assumed that an energy intake of at least 30 joules provides better protection than 20 Joule.
- a shoe substructure of this type is known for example from EP-A-0 749 705.
- This well-known Construction has already proven itself quite well, because they are both comfortable to wear and a good energy absorption capacity of about 30 joules (measured according to EN 344, section 5.10).
- This is a made of relatively soft elastic material Damping element with a relatively harder, but nevertheless also elastically compressible material existing energy absorption element combined. 0
- a shoe substructure according to the generic term is over WO 81/03602 known. It includes two in series switched, hollow-tapered spring elements that such are built up and embedded that a progressive suspension characteristics results.
- the object of the present invention is now based on the energy consumption behavior at the same time good comfort to improve even further, while also an economical production process can also be possible should.
- the energy absorption element has a stiff elastic deformation behavior with a Force / path characteristic that is initially steep increasing and gradually declining Has initial section.
- This invention Energy absorption element is preferred as a flat one Insert part designed and in a soft elastic Material (in particular PU existing sole layer embedded) so that by overlaying the Force / displacement characteristics of the rigid energy absorption element and the soft elastic sole view a resulting characteristic curve arises in such a way that the from the surface and the resulting characteristic resulting energy in the range of about 30 to 40 joules, in particular around 35 joules.
- the invention is based on the knowledge that it is common with elastic materials because of them Deformation behavior at most with special, complex measures is possible, an energy intake to reach over 30 joules. Because such elastic compressible materials typically have one progressive characteristic curve with a relatively flat initial increase. Because the energy (or work) from the area below the force / displacement characteristic curve (displacement integral of the force), becomes the first part of the total deformation path with only low energy consumption, so practical wasted. Because the maximum in the sales area of shoes possible deformation path with about 15 mm extremely anyway is low, that is enough after the flat rise remaining path despite the then progressive increase no longer looking to still target the energy value to come from about 30 joules.
- the energy absorption element according to the invention can advantageously be designed so that a resulting characteristic curve arises in the overall effect of the sole structure, which increases very quickly to a maximum permissible force when deformed and retains approximately this value of the force when deformed further. In theory, almost the maximum energy could be absorbed as a product of power.
- the special characteristic of the energy absorption element according to the invention is achieved constructively in that the Energy absorption element from a flat, in particular with a circular contour like a disc-like hollow body with a first, e.g. lower, i.e. one Bottom of the sole (profile side) facing wall and a second, e.g. upper, a shoe upper facing wall is formed, one of the two Walls curved essentially in a bowl shape, in particular frustoconical and the other flat is trained.
- the bowl-shaped wall needed for Deformation due to a kind of arch effect at first a relatively high force (steep rise in the characteristic curve), and after a certain deformation path the increase then correspondingly flatter; it can even be achieved that the characteristic curve climbs steeply and then degressively flattening initial section subsequent, sloping curve section.
- the bowl-shaped or frustoconical shape acts for this Wall of the hollow body according to the principle of an Children's toy known "crack frog" (jumping around Leaf or plate spring) with the just formed Wall together advantageously. Through this curve becomes in cooperation with the surrounding soft Sole material and its very much in this area achieved a much steeper curve that the resulting characteristic curve over the further deformation path remains at about the maximum force.
- a safety shoe 1 in section, which consists of an upper shoe 2 and a substructure 4.
- the substructure consists essentially of a sole structure 6, which in turn is a conventional profile sole 8 and one made of soft elastic material Has sole layer 10.
- This sole layer 10 is with such safety shoes usually a steel midsole 12 embedded.
- This steel midsole serves as a puncture-proof insert (e.g. according to DIN 32768), around the foot, especially in the construction area in front of pointed objects, such as nails, etc.
- the sole structure 6 is in the heel or heel area equipped with an energy absorption element 16.
- the present Invention is particularly concerned with the design and arrangement of this energy absorption element 16, which now in particular with reference to FIGS. 2 to 4 or 4a to be explained in more detail.
- the energy absorption element 16 as a flat insert trained and in particular made of polyurethane (PU) existing sole layer 10 embedded.
- This insert part is of a flat, preferably with a circular contour (see Fig. 3) approximately discus-like (Fig. 2,4 and 4a) Hollow body 18 formed.
- This hollow body 18 consists of a first, lower in this embodiment, the Bottom of the sole (profile side) facing wall 20 and a second, here upper, facing the shoe upper 2 Wall 22.
- the first wall 20 is preferably in the essentially flat, while the second wall 22 has an approximately cup-shaped contour. This will enclosed a cavity 24 between the two walls 20, 22.
- the shell-shaped second wall 22 preferably has the shape of a truncated cone with a flat-conical Circumferential section 26 and a central, in essential plane center distance 28.
- This middle section 28 runs approximately parallel to one through the Sole structure 6 in the heel area defined footrest area; see Fig. 1.
- the two walls 20, 22 of the Hollow body 18 preferably formed as two separate molded parts and here in the region of their peripheral edges - preferably via a positive or non-positive snap connection 30 (in the manner of a can lid closure) - so closely connected that the inner cavity 24 embedded in the elastic sole layer 10 according to FIG. 1 Hollow body 18 when embedding or foaming free of the surrounding material of the sole layer 10 remains. This prevents the deformation behavior influenced by material penetrating into the cavity 24 becomes.
- the snap connection 30 is shown in FIG. 4 by a circumferential Edge web 32 of the first wall 20 is formed, wherein the upper wall 22 engages latching in the edge web 32.
- both walls 20 and 22 each have an edge web 32 or 32a, which interlock with one another.
- Energy absorption element 16 has this a force / displacement characteristic curve illustrated in FIG. 5 with a initially steeply rising and then degressive flattening initial section 34. At this initial section 34 is followed by a second curve section 36, the - as shown - preferably a sloping course has. This second curve section 36 of the force / travel characteristic of the energy absorption element 16 then goes finally into a progressively increasing end section 38 over.
- the transition from the start section 34 to the second curve section 36 is approximately 1/3 of the maximum deformation path s max and preferably a force F 1 .
- the maximum deformation path s max is approximately 10 to 20 mm, in particular 10 to 15 mm.
- the force F 1 is in the range of approximately 3,000 to 4,000 N.
- the transition from the second curve section 36 to the end section 38 is then approximately 2/3 of the maximum deformation path s max and preferably a force F 2 which is in the range of approximately 1,000 to 3,000 N.
- the maximum deformation path s max is preferably achieved at a force F 3 of approximately 5,000 N.
- the deformation or suspension behavior of the energy absorption element 16 can be influenced in a wide range by design.
- the flat-conical peripheral section 26 of the second wall 22 has a wall thickness that changes from the outer peripheral edge in the direction of the center, preferably increasing. 4a, the wall thickness in the region of the outer peripheral edge is denoted by d 1 , while the wall thickness at the transition to the central section 28 is illustrated by d 2 .
- the flat central section 28 is preferably formed with a wall thickness d ′ which corresponds approximately to the (larger) wall thickness d 2 of the peripheral section 26.
- the characteristic curve can be influenced effectively by these dimensional relationships in particular.
- the second curve section 36 runs approximately linearly and approximately parallel to the path axis (abscissa).
- absa absorption element
- the energy absorption element 16 is preferably seated directly on the steel midsole 12 expediently engages an extension 42 of the first wall 20 for relative position fixation in an opening in the midsole 12 a. This allows the steel midsole 12 simultaneously with the energy absorption element 16 in the Sole layer 10 are embedded, resulting in a simple Manufacturing leads.
- the energy absorption element is located in its upper area 16 also directly in connection with the insole 14.
- the insole 14 covers the central one Center section 28 of the second wall 22 such that the Material of the elastic sole layer 10 - see Fig. 1 - only in the area of the flat-conical peripheral section 26 with wedge-like decreasing thickness radially from outside to inside between the energy absorption element 16 and the insole 14 is arranged.
- the energy absorption element lies 16 with direct investment contact directly between the Steel midsole 12 and the insole 14. Therefore lies the foot - apart from the midsole 14 and one possibly additionally provided insole - directly on the energy absorption element 16. hereby is achieved in the event of an impact that almost immediately Characteristic curve of the energy absorption element 16 according to the invention comes into effect, especially in the initial area of the deformation path to achieve a high energy consumption.
- a sprayable is preferred thermoplastic with a hardness about Range from 60 to 70 Shore-D used. Suitable for this is for example polyamide (PA, e.g. PA6), polypropylene (PP) or polyoxymethylene (POM).
- PA polyamide
- PP polypropylene
- POM polyoxymethylene
- the present invention leads - except for an improved one Energy consumption behavior - also at an inexpensive Manufacturability.
- the energy absorption element 16 is the same for all shoe sizes, i.e. with the same size, can be formed. hereby only a single set of molding tools is required.
- the handling when embedding the energy absorption element is very simple because of its preferred Connection with the steel midsole well fixed and very is positioned exactly.
- the energy absorption element is located 16 immediately below a sole or footbed-like insert 44.
- This insert 44 expediently consists of a relatively dimensionally stable, but elastically deformable plastic material.
- Fig. 7 an embodiment is shown in which the energy absorption element 16 with the central section 28 of the second Wall 22 abuts the underside of the insert part 44.
- the invention is not limited to that shown and described Embodiments limited, but also includes all designs having the same effect in the sense of the invention. Furthermore, the invention is not yet based on the Claim 1 defined combination of features limited, but can also be by any other combination of certain characteristics of all of the individual characteristics disclosed be defined.
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
- Fig. 1
- einen Längs-Vertikalschnitt durch einen Schuh, der eine erfindungsgemäße Unterkonstruktion aufweist,
- Fig. 2
- eine Seitenansicht eines erfindungsgemäßen Energieaufnahmeelementes in Kombination mit einer nur bereichsweise dargestellten Stahl-Zwischensohle,
- Fig. 3
- eine Draufsicht in Pfeilrichtung III gemäß Fig. 2,
- Fig. 4
- einen Schnitt durch das Energieaufnahmeelement in der Ebene IV-IV gemäß Fig. 3 (entspricht dem Schnitt in Fig. 1),
- Fig. 4a
- eine Darstellung analog zu Fig.4, jedoch in einer Ausführungsvariante des Energieaufnahmeelementes,
- Fig. 5
- ein schematisches Kraft/Weg-Diagramm zur Erläuterung der Wirkungsweise der Erfindung, und
- Fig. 6 und 7
- zwei weitere Ausführungsformen der Erfindung.
Claims (10)
- Schuh-Unterkonstruktion (4), insbesondere für Sicherheitsschuhe (1), mit einem Sohlenaufbau (6) mit einem zum Schutz gegen impuls- bzw. stoßbedingte Verletzungen im Fersen- bzw. Absatzbereich angeordneten Energieaufnahmeelement (16) das einen flachen, etwa diskusartigen Hohlkörper (18) kreisförmiger Kontur mit einer ersten Wandung (20) und einer zweiten Wandung (22) hat, wobei die zweite Wandung (22), schalenförmig, insbesondere kegelstumpfförmig ausgebildet ist wobei die schalenförmige zweite Wandung (22) einen flach-konischen Umfangabschnitt (26) sowie einen zentrischen, ebenen, integral mit dem Umfangsabschnitt (26) verbundenen und zu einer durch den Sohlenaufbau (6) im Fersenbereich definierten Fuß-Auflagefläche etwa parallelen Mittenabschnitt (28) aufweist und dass die beiden Wandungen (20, 22) des Hohlkörpers (18) als separate Formteile ausgebildet und im Bereich ihrer Umfangsränder - vorzugsweise über eine form- oder kraftformschlüssige Schnappverbindung (30) - derart dicht miteinander verbunden sind, daß der innere Hohlraum (24) des eingebetteten, insbesondere mit PU umschäumten Hohlkörpers (18) frei von dem umgebenden Material der elastischen Sohlenschicht (10) ist, dadurch gekennzeichnet, dass die erste Wandung (20) eben ausgebildet ist.
- Schuh-Unterkonstruktion nach Anspruch 1,
dadurch gekennzeichnet, daß die eine Wandung (20) einen umlaufenden Randsteg (32) aufweist, in den die andere Wandung (22) rastend eingreift. - Schuh-Unterkonstruktion nach einem der Ansprüche 1 bis 2,
dadurch gekennzeichnet, daß der flach-konische Umfangsabschnitt (26) eine vom äußeren Umfangsrand in Richtung der Mitte sich ändernde, insbesondere zunehmende Wandungsdicke (d1 bis d2) aufweist. - Schuh-Unterkonstruktion nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß der ebene Mittenabschnitt (28) eine Wandungsdicke (d') aufweist, die etwa der Wandungsdicke (d2) des Umfangsabschnittes (26) am Übergang zum Mittenabschnitt (28) entspricht. - Schuh-Unterkonstruktion nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß das Energieaufnahmeelement (16) unmittelbar auf einer Stahl-Zwischensohle (12) des Sohlenaufbaus (6) sitzt, und zwar insbesondere auf deren einer Innensohle (14) bzw. Brandsohle zugekehrten Oberseite, wobei vorzugsweise ein Ansatz (42) der ersten Wandung (20) oder der zweiten Wandung (22) zur relativen Lagefixierung in eine Öffnung der Zwischensohle (12) eingreift. - Schuh-Unterkonstruktion nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß das Energieaufnahmeelement (16) in seinem oberen Bereich unmittelbar mit einer Innensohle (14) oder einem sohlen- bzw. fußbettartigen Einsatzteil (44) in Berührung steht. - Schuh-Unterkonstruktion nach Anspruch 6,
dadurch gekennzeichnet, daß die Innensohle (14) bzw. das Einsatzteil (44) den zentrischen Mittenabschnitt (28) der zweiten Wandung (22) derart überdeckt, daß das Material der elastischen Sohlenschicht (10) nur im Bereich des flach-konischen Umfangsabschnittes (26) mit von außen nach innen keilartig abnehmender Dicke zwischen dem Energieaufnahmeelement (16) und der Innensohle (14) bzw. dem Einsatzteil (44) angeordnet ist. - Schuh-Unterkonstruktion nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß das Energieaufnahmeelement (16) aus einem spritzbaren, thermoplastischen Kunststoff mit einer Härte etwa im Bereich von 60 bis 70 Shore-D besteht, beispielsweise aus PA, PP und/oder POM. - Schuh-Unterkonstruktion nach einem der Ansprüche 6 bis 8,
dadurch gekennzeichnet, daß das Energieaufnahmeelement (16) mit der ersten, im wesentlichen ebenen Wandung (20) nach oben weisend angeordnet ist. - Schuh-Unterkonstruktion nach einem der Ansprüche 6 bis 8,
dadurch gekennzeichnet, daß das Energieaufnahmeelement (16) unmittelbar unterhalb des - bevorzugt aus einem relativ formstabilen Kunststoffmaterial bestehenden - Einsatzteils (44) angeordnet ist, wobei insbesondere die erste Wandung (20), oder aber die zweite Wandung (22) dem Einsatzteil (44) zugekehrt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29707398U DE29707398U1 (de) | 1997-04-24 | 1997-04-24 | Energieaufnehmende Schuh-Unterkonstruktion für Sicherheitsschuhe |
| DE29707398U | 1997-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0875164A1 EP0875164A1 (de) | 1998-11-04 |
| EP0875164B1 true EP0875164B1 (de) | 2003-01-15 |
Family
ID=8039472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98107271A Expired - Lifetime EP0875164B1 (de) | 1997-04-24 | 1998-04-21 | Energieaufnehmende Schuh-Unterkonstruktion für Sicherheitsschuhe |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0875164B1 (de) |
| AT (1) | ATE230942T1 (de) |
| DE (2) | DE29707398U1 (de) |
| DK (1) | DK0875164T3 (de) |
| PT (1) | PT875164E (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8166671B2 (en) | 2006-03-30 | 2012-05-01 | Li-Ning Sports (Shanghai) Co., Ltd. | Adjustable shock attenuating means for footwear and footwear using the same |
| EP4544945A1 (de) * | 2023-10-23 | 2025-04-30 | Sievin Jalkine Oy | Schuhsohle und sicherheitsschuh |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVR20080128A1 (it) * | 2008-11-20 | 2010-05-21 | Gianfranco Zocca | Sistema di ammortizzamento di suole per calzature |
| CA3034829C (en) * | 2009-06-22 | 2021-09-07 | 1158990 B.C. Ltd. | Springs for shoes |
| US9578920B2 (en) * | 2014-05-13 | 2017-02-28 | Ariat International, Inc. | Energy return, cushioning, and arch support plates, and footwear and footwear soles including the same |
| IT201700075302A1 (it) * | 2017-07-05 | 2019-01-05 | U Invest S R L | Scarpa di sicurezza energizzante. |
| US12369685B1 (en) | 2024-06-12 | 2025-07-29 | 1158990 B.C. Ltd. | Shoe midsole with delayed energy return and lateral shear stability |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2919928A1 (de) * | 1979-05-17 | 1980-11-27 | Schabsky Atlas Schuhfab | Sicherheitsschuhwerk und verfahren zu seiner herstellung |
| US4342158A (en) * | 1980-06-19 | 1982-08-03 | Mcmahon Thomas A | Biomechanically tuned shoe construction |
| DE3111186A1 (de) * | 1981-03-21 | 1982-09-30 | Phoenix Ag, 2100 Hamburg | Unfallverhuetungsstiefel |
| FR2583269B1 (fr) * | 1985-06-14 | 1988-04-22 | Agulhon Michel | Chaussures de securite et procedes de fabrication |
| DE29510038U1 (de) | 1995-06-21 | 1995-09-07 | Otter Schutz Gesellschaft für Entwicklung und Vertrieb persönlicher Schutzausrüstungen mbH, 45479 Mülheim | Schuh-Unterkonstruktion insbesondere für Sicherheitsschuhe |
-
1997
- 1997-04-24 DE DE29707398U patent/DE29707398U1/de not_active Expired - Lifetime
-
1998
- 1998-04-21 DE DE59806905T patent/DE59806905D1/de not_active Expired - Lifetime
- 1998-04-21 DK DK98107271T patent/DK0875164T3/da active
- 1998-04-21 AT AT98107271T patent/ATE230942T1/de not_active IP Right Cessation
- 1998-04-21 PT PT98107271T patent/PT875164E/pt unknown
- 1998-04-21 EP EP98107271A patent/EP0875164B1/de not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8166671B2 (en) | 2006-03-30 | 2012-05-01 | Li-Ning Sports (Shanghai) Co., Ltd. | Adjustable shock attenuating means for footwear and footwear using the same |
| EP4544945A1 (de) * | 2023-10-23 | 2025-04-30 | Sievin Jalkine Oy | Schuhsohle und sicherheitsschuh |
Also Published As
| Publication number | Publication date |
|---|---|
| DE29707398U1 (de) | 1997-11-27 |
| PT875164E (pt) | 2003-06-30 |
| DK0875164T3 (da) | 2004-06-01 |
| ATE230942T1 (de) | 2003-02-15 |
| EP0875164A1 (de) | 1998-11-04 |
| DE59806905D1 (de) | 2003-02-20 |
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