EP2055204A1 - Elastisches schlagfestes Gerät - Google Patents

Elastisches schlagfestes Gerät Download PDF

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Publication number
EP2055204A1
EP2055204A1 EP07119699A EP07119699A EP2055204A1 EP 2055204 A1 EP2055204 A1 EP 2055204A1 EP 07119699 A EP07119699 A EP 07119699A EP 07119699 A EP07119699 A EP 07119699A EP 2055204 A1 EP2055204 A1 EP 2055204A1
Authority
EP
European Patent Office
Prior art keywords
resilient
absorbing device
shock
outer tube
resilient shock
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.)
Withdrawn
Application number
EP07119699A
Other languages
English (en)
French (fr)
Inventor
Keng-Hsien Lin
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.)
Individual
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 EP07119699A priority Critical patent/EP2055204A1/de
Publication of EP2055204A1 publication Critical patent/EP2055204A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials

Definitions

  • This invention relates to a shock-absorbing device, more particularly to a shock-absorbing device made from thermoplastic polyurethane.
  • a conventional sports shoe 1 includes a main body 11, and an air-filled plastic cushion 12 provided in a bottom portion of the main body 11 so as to absorb the weight of the wearer's body and the ground impact during use of the sports shoe 1. As such, the stress on the wearer' s foot is minimized.
  • the air-filled plastic cushion 12 of the sports shoe 1 provides a shock-absorbing effect, its softness and supporting force still need improvement.
  • the plastic cushion 12 is made of more than one kind of material, so that interconnection among the different materials is poor. This leads to difficulty in the succeeding processing steps.
  • the plastic cushion 12 is not breathable, so that air ventilation is not provided in the foot portion, thereby reducing wear comfort of the sports shoe 1.
  • the buffering and shock-absorbing functions of the sports shoe 1 are lost. When the damaged plastic cushion 12 is thrown away, it causes environmental contamination because it cannot be recycled.
  • the object of the present invention is to provide a resilient shock-absorbing device that is made from thermoplastic polyurethane and that can effectively buffer an external force so as to provide enhanced comfort and a good shock-absorbing effect.
  • a resilient shock-absorbing device comprises at least one layer of a composite unit including top and bottom faces, and a plurality of juxtaposed and interconnected resilient elongate members disposed between the top and bottom faces.
  • Each of the resilient elongate members has an outer tube, and a foammember disposed in the outer tube and extending along the length of the outer tube.
  • a resilient shock-absorbing device according to the first preferred embodiment of the present invention is adapted to be installed in a sole portion 13 of a shoe 10, and is shown to comprise a single layer of a composite unit 2.
  • the resilient shock-absorbing device of the present invention may be installed in other products that need shock-absorbing protection, such as a protective suit, a safety helmet, different protective pads used in sports, etc., and is thus not limited to the disclosed embodiment.
  • the composite unit 2 has top and bottom faces 201, 202, and includes a plurality of juxtaposed and interconnected first resilient elongate members 21 disposed between the top and bottom faces 201, 202.
  • Each of the first resilient elongate members 21 has a first outer tube 211, and a first foam member 212 disposed in the first outer tube 211 and extending along the length thereof.
  • the first outer tube 211 and the first foam member 212 are made of thermoplastic polyurethane and may be made by extrusion or any other suitable process.
  • the hardness of the first outer tube 211 ranges from 55 ShoreA to 85 ShoreD.
  • the density of the first foam member 212 ranges from 0.2 g/cm 3 to 0.6 g/cm 3 .
  • the first resilient elongate members 21 may be interconnected by adhesive bonding or high-frequency welding.
  • the first outer tubes 211 of the first resilient elongate members 21 are interconnected in such a manner that they are parallel to each other. Since the first outer tube 211 and the first foam member 212 of each first resilient elongate member 21 are made of the same material, they can be tightly bonded to each other, and are therefore not easily separated.
  • the relatively tough first outer tubes 211 of the first resilient elongate members 21 provide a good restoring force to the entire shock-absorbing device, and the first foam members 212 of the first resilient elongate members 21 provide good shock-absorbing and cushioning effects, thereby enhancing the shock-absorbing and buffering effects of the shock-absorbing device of the present invention.
  • the shock-absorbing device of the present invention not only provides a larger supporting force, but also has better shock-absorbing and buffering effects.
  • a resilient shock-absorbing device according to the second preferred embodiment of the present invention is shown to be similar to the first preferred embodiment.
  • the resilient shock-absorbing device of the present invention further comprises a cover 3 sleeved on and covering partially the composite unit 2' and made of thermoplastic polyurethane.
  • the cover 3 is in the form of an envelope having a single open end for access by the composite unit 2' .
  • the first foam member 212' of each first resilient elongate member 21' has a first receiving space 213 formed in the middle of the first foam member 212' and extending along the length thereof.
  • each first foam member 212' is hollow. Through the presence of the first receiving space 213 in each first foam member 212' , air can be filled in each first resilient elongate member 21' to thereby enhance the buffering effect of the same.
  • the resilient shock-absorbing device may be provided with a plurality of layers of the composite units 2' that are stacked together (see Fig. 5 ), and the cover 3 may be configured to cover partially all of the composite units 2' in the stack and is not limited to the disclosed embodiment.
  • the composite unit 2' of the second preferred embodiment is further formed with five spaced-apart through holes 22.
  • Each of the through holes 22 extends through the top and bottom faces 201', 202' of the composite unit 2', and may be configured to extend through one or more of the first resilient elongate members 21'.
  • the number of the through holes 22 may be varied, and is not limited to the aforementioned disclosure.
  • the presence of the through holes 22 in the composite unit 2' enhances the deformability of the composite unit 2' when an external force is applied thereto.
  • Such deformability may be varied. For example, if there is a large number of the through holes 22 in the composite unit 2' , the composite unit 2' has a high deformability. In contrast, if there is a small number of the through holes 22 in the composite unit 2', the composite unit 2' is not easily deformed. The size of each through hole 22 also affects the deformability of the composite unit 2'.
  • a resilient shock-absorbing device according to the third preferred embodiment of the present invention is shown to comprise two layers of composite units (2a) which are superimposed and connected to each other. Since the structure of each layer of the composite units (2a) is similar, only one layer of the composite units (2a) will be described hereinafter.
  • the composite unit (2a) is similar to that described in the first preferred embodiment.
  • the first foam member (212a) of each first resilient elongate member (21a) defines a first receiving space (213a) that is formed in the middle of the first foam member (212a) and that extends along the length thereof.
  • each first foam member (212a) is hollow.
  • Each first resilient elongate member (21a) further has a first inner tube 214 inserted into the first receiving space (213a) in the first foam member (212a) thereof.
  • the hardness of the first inner tube 214 of each first resilient elongate member (21a) ranges from 55 ShoreA to 85 ShoreD.
  • the first inner tube 214, the first outer tube (211a), and the first foam member (212a) of each first resilient elongate member (21a) are made of the same thermoplastic polyurethane, so that their interconnection is strong.
  • the composite unit (2a) is further formed with five spaced-apart through holes (22a), which are similar to those described in the composite unit 2' of the second preferred embodiment, and further has a second resilient elongate member 41 extending between the top and bottom faces (201a, 202a) of the composite unit (2a).
  • the second resilient elongate member 41 is bent to have a substantially U-shape to surround the first resilient elongate members (21a) .
  • the number of the second resilient elongate member 41 may be varied, and is not limited to the disclosed embodiment.
  • the second resilient elongate member 41 has a second outer tube 411, and a second foam member 412 disposed in the second outer tube 411 and extending along the length thereof.
  • the second outer tube 411 and the second foam member 412 are made of thermoplastic polyurethane.
  • the second resilient elongate member 41 may only have the second outer tube 411, and not include the second foam member 412, as shown in Fig. 6 .
  • the second foam member 412 has a second receiving space 413 formed in the middle of the second foam member 412 and extending along the length thereof to thereby be hollow.
  • the second resilient elongate member 41 further has a second inner tube 414 inserted into the second receiving space 413 and that is made of thermoplastic polyurethane.
  • Each of the second outer and inner tubes 411, 414 has a hardness ranging from 55 ShoreA to 85 ShoreD.
  • the density of the second foam member 412 ranges from 0.2 g/cm 3 to 0.6 g/cm 3 .
  • the supporting effect of the entire resilient shock-absorbing device of the present invention is strengthened, such that when an external force is greater than the limiting supporting force of the first outer tubes (211a) and the first foam members (212a) of the first resilient elongatemembers (21a), the first inner tubes 214 of the first resilient elongate members (21a) can provide an additional supporting force against the external force, thereby enhancing the supporting effect of the resilient shock-absorbing device of the present invention.
  • the entire structure of the resilient shock-absorbing device of the present invention is strengthened, so that not only can buffering and supporting effects be achieved, but also the resilient shock-absorbing device of the present invention can simultaneously have high stability and durability.
  • the structure of the third preferred embodiment is suitable for use in a product requiring high supporting and shock-absorbing effects.
  • each composite unit (2b) further includes at least one third resilient elongate member 23 interposed between two of the first resilient elongate members (21b) of the corresponding composite unit (2b).
  • the third resilient elongate member 23 has a third outer tube 231 that is made of thermoplastic polyurethane and that has a hardness ranging from 55 ShoreA to 85 ShoreD.
  • the third outer tube 231 has nothing filled therein.
  • third outer tubes 231 are interposed between the first resilient elongate members (21b) of the corresponding composite unit (2b).
  • arrangement of the third outer tubes 231 can be altered as desired to suit a product's requirements and to achieve different supporting and shock-absorbing effects.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Vibration Dampers (AREA)
EP07119699A 2007-10-31 2007-10-31 Elastisches schlagfestes Gerät Withdrawn EP2055204A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07119699A EP2055204A1 (de) 2007-10-31 2007-10-31 Elastisches schlagfestes Gerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07119699A EP2055204A1 (de) 2007-10-31 2007-10-31 Elastisches schlagfestes Gerät

Publications (1)

Publication Number Publication Date
EP2055204A1 true EP2055204A1 (de) 2009-05-06

Family

ID=39300839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07119699A Withdrawn EP2055204A1 (de) 2007-10-31 2007-10-31 Elastisches schlagfestes Gerät

Country Status (1)

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EP (1) EP2055204A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11707108B2 (en) 2012-04-13 2023-07-25 Adidas Ag Soles for sports shoes
USD1035231S1 (en) 2013-04-12 2024-07-16 Adidas Ag Shoe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5713140A (en) 1996-03-04 1998-02-03 Baggenstoss; Alois C. Resilient shoe sole
US6122785A (en) 1997-07-01 2000-09-26 Airsports Technology, L.L.C. Air pad
US20040211088A1 (en) * 2003-04-25 2004-10-28 Volkart Lauro Alvicio Sport shoe with impact absorber system
US20050183287A1 (en) * 2004-02-23 2005-08-25 Nike, Inc. Fluid-filled bladder incorporating a foam tensile member
US20050268488A1 (en) 2004-06-07 2005-12-08 Hann Lenn R Shoe apparatus with improved efficiency

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5713140A (en) 1996-03-04 1998-02-03 Baggenstoss; Alois C. Resilient shoe sole
US6122785A (en) 1997-07-01 2000-09-26 Airsports Technology, L.L.C. Air pad
US20040211088A1 (en) * 2003-04-25 2004-10-28 Volkart Lauro Alvicio Sport shoe with impact absorber system
US20050183287A1 (en) * 2004-02-23 2005-08-25 Nike, Inc. Fluid-filled bladder incorporating a foam tensile member
US20050268488A1 (en) 2004-06-07 2005-12-08 Hann Lenn R Shoe apparatus with improved efficiency

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11707108B2 (en) 2012-04-13 2023-07-25 Adidas Ag Soles for sports shoes
USD1035231S1 (en) 2013-04-12 2024-07-16 Adidas Ag Shoe

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