US20100205830A1 - Moulded shoe bottom with high anti-shock ventilation properties - Google Patents

Moulded shoe bottom with high anti-shock ventilation properties Download PDF

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Publication number
US20100205830A1
US20100205830A1 US12/733,433 US73343308A US2010205830A1 US 20100205830 A1 US20100205830 A1 US 20100205830A1 US 73343308 A US73343308 A US 73343308A US 2010205830 A1 US2010205830 A1 US 2010205830A1
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US
United States
Prior art keywords
bottom
characterised
valve
provided
collar
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.)
Abandoned
Application number
US12/733,433
Inventor
Alberio Pulcini
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.)
ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C Sas
Original Assignee
ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C Sas
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
Priority to ITMC20070177 priority Critical patent/ITMC20070177A1/en
Priority to ITMC2007A000177 priority
Priority to ITMC2008A000072 priority
Priority to ITMC20080072 priority patent/ITMC20080072A1/en
Application filed by ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C Sas filed Critical ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C Sas
Priority to PCT/EP2008/060394 priority patent/WO2009033899A1/en
Assigned to ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C. S.A.S. reassignment ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C. S.A.S. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PULCINI, ALBERTO
Publication of US20100205830A1 publication Critical patent/US20100205830A1/en
Application status is Abandoned legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/06Ventilated footwear
    • A43B7/08Footwear with air-holes, with or without closures
    • A43B7/082Footwear with air-holes, with or without closures the air being expelled to the outside
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/181Resiliency achieved by the structure of the sole
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/20Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00Heels; Top-pieces, e.g. high heels, heel distinct from the sole, high heels monolithic with the sole
    • A43B21/24Heels; Top-pieces, e.g. high heels, heel distinct from the sole, high heels monolithic with the sole characterised by the constructive form
    • A43B21/26Resilient heels
    • A43B21/28Pneumatic heels filled with a compressible fluid, e.g. air, gas
    • A43B21/285Pneumatic heels filled with a compressible fluid, e.g. air, gas provided with a pump or valve

Abstract

The present invention relates to a shoe bottom moulded from one piece, which is provided with a first and second chamber (3, 30), which do not communicate, which respectively house elastically flexible protuberances (2, 40), which are able to generate both an “anti-shock” action for the foot and a pumping action to create forced air ventilation inside the shoe.

Description

  • The present patent application relates to a moulded shoe bottom with high anti-shock properties, that is to say capable of absorbing the impact of the front part of the foot with the ground during walking.
  • A dense series of flexible protuberances obtained when moulding the bottom is currently used to guarantee soft, elastically flexible support for the foot.
  • The said protuberances are mostly configured as hollow spherical segments or thin cylindrical pegs with rounded tip, designed to subside or bend laterally every time the foot rhythmically discharges the weight of the body first on the metatarsal area of the foot and then on the toes.
  • In spite of long-standing use and effectiveness, the said bottoms with “anti-shock” structure have often originated a disadvantage that affects the sole or so-called “intermediate sole” that covers the series of protuberances that project from the upper surface of the bottom.
  • The said disadvantage consists in the formation of a web of wrinkles or folds that impair the perfect planarity of the intermediate sole which, in addition to being aesthetically unpleasant, may also cause an inconvenience for the foot plant, especially in case of delicate irritable skin, such as in children.
  • The said inconvenience is basically due to the fact that the said series of protuberances offers a punctiform, not continuous or uniform support surface to the intermediate sole, so that folds are formed on the intermediate sole surface in the large empty spaces between support points, which increase in depth over time.
  • The wrinkle process is favoured by the natural perspiration of the foot in the hot season, since humidity tends to soften the material, which is normally real or synthetic leather, of the intermediate sole, which tends to self-modelling on its “punctiform support bed”.
  • The main purpose of the present invention is to remedy the aforementioned inconvenience with a new one-piece moulded shoe bottom, which although provided with an “anti-shock” structure characterised by a series of elastically flexible protuberances, provides a large continuous support surface to the intermediate sole.
  • A further purpose of the present invention is to provide a moulded shoe bottom able to automatically generate forced air circulation inside the shoe during walking.
  • This effect has been obtained by using the said series of elastically flexible protuberances as pumping means designed to draw air from the shoe inside the bottom, from where the sucked air is ejected outside the bottom through a dedicated unidirectional valve.
  • In order to increase the pumping action and make the forced air circulation inside the shoe more energetic and efficacious, the bottom of the invention comprises two different and independent pumping chambers that use the same air valve to eject the sucked air outside.
  • These and other purposes have been achieved by the shoe bottom of the invention, whose main characteristics are illustrated in the first claim.
  • The shoe bottom of the invention comprises a dense series of protuberances that project from the upper surface of the half plant, in which each protuberance has a mushroom configuration, being formed of a vertical stem and an enlarged head.
  • The peculiarity of the stem consists in the fact that it is internally hollow, while the head is a sort of annular flange with square shape and rounded corners. The tubular configuration of the stems has allowed to make them thinner and deformable under the peak load, thus favouring deformation due to axial relaxation rather than flexural bending.
  • In other words, the said stems tend to be contracted as a bellows under compression, with bulging of the lateral wall rather than lateral flexion.
  • The fact that each stem ends on top with a flat annular head with basically square shape allows to obtain a rather large support surface for the intermediate sole, and not of punctiform type, as in the known models of bottom, where the contact between the sole and the “protuberance bed” occurs in isolated points that coincide with the top of the said cylindrical pegs with rounded tip or spherical hollow segments.
  • The capability of the said stems to be elastically contracted as a bellows under compression makes them suitable to provide the pumping action that in the current models of ventilated shoes is entrusted to special flexible inserts composed of soft pads with alveolar structure that are elastically deformed under compression.
  • The said inserts are obtained with different materials and moulding processes that are separated from the moulding process of the bottom where they are inserted. This means that an assembly operation is necessary between the bottom and the flexible inserts designed to provide the pumping action, while the bottom of the invention has a one-piece structure obtained from the same material during the same moulding process, which incorporates flexible means that are able to be elastically deformed under compression.
  • For purposes of clarity, the description of the bottom of the invention continues with reference to the enclosed drawings, which are intended for purposes of illustration only and not in a limiting sense, whereby:
  • FIG. 1 is an axonometric view of the bottom of the invention with intermediate sole;
  • FIG. 2 is a sectional view with a vertical axial plane of one of the mushroom protuberances situated on the front half plant of the bottom of the invention;
  • FIG. 3 is a sectional view of the air valve with a longitudinal plane;
  • FIG. 4 is a sectional view of the heel of the bottom of the invention with a transversal plane IV-IV.
  • FIG. 5 is a sectional view of the air valve with a longitudinal plane according to an alternative embodiment.
  • With reference to the aforementioned figures, the bottom (1) of the invention is moulded from one piece of natural or synthetic rubber or other soft thermoformed flexible material normally used in the shoe industry to produce moulded bottoms.
  • The bottom (1), which is provided with lower tread (1 a) and upper plant (1 b), is covered on top by an intermediate sole (B) provided with a dense series of small holes (F1), both on the front half plant and the heel, through which the air contained inside the shoe can be sucked inside the pumping chambers obtained in the said bottom (1).
  • The upper plant (1 b) is provided—when moulding the bottom (1)—with a dense series of protuberances (2) that project from the bottom wall of a first cavity (3) with the same surface as the half plant of the bottom.
  • The cavity (3) is surrounded by a flat perimeter band (5) that runs along the entire edge of the bottom (1) in such a way to provide the edge of the intermediate sole (B) with an annular continuous uniform support surface.
  • Each protuberance (2) has a mushroom configuration, characterised by a vertical stem (2 a) with circular section and an enlarged head (2 b).
  • More precisely, the stem (2 a) is hollow, being similar to a tube with thin walls, able to get axially contracted under compression, with consequent bellows-like bulging of the cylindrical wall.
  • The head (2 b) consists in a sort of annular flange with square shape and rounded corners.
  • The protuberances (2) are situated in parallel position in such a way that very narrow empty spaces, preferably lower than 2 mm, are left between the enlarged heads (2 b) with longitudinal or transversal direction.
  • It must be noted that the thickness of the said head (2 b) is not constant and is tapered away from the centre. This fact gives the head a certain flexional rigidity with respect to the bearing stem, so that the pressure exerted on the enlarged heads tends—also in case of asymmetric load distribution—to make the stem collapse axially, rather than bending downwards, as a shelf, the area of the head provided with the highest concentration of compression loads.
  • The heel (T) is provided with a second cavity (30), from which a collar (40) with basically rectangular section and rounded corners projects in central position, ending on top with an internal flange (41) with lower thickness than the lateral walls (40 a) of the collar (40), as shown in FIG. 4.
  • Attention is drawn on the fact that the second cavity (30) is provided with a series of stiffening elements (42) extending between the internal wall of the chamber (30) and the external wall of the collar (40).
  • The height of the stiffening elements (42) decreases from the outside to the inside of the heel, in such a way to give high rigidity to the lower section (40 a′) of the lateral wall (40 a), whose upper section (40 a″) is provided with higher elastic flexibility, same as the top flange (41) because of low thickness. It appears evident that when the weight of the body is discharged progressively on the heel during walking, the flange (41) is the first part to bend downwards towards the inside of the collar (40), whose lateral wall is subjected to elastic bulging on the upper section (40 a″). In view of the above the collar (40) ensures an anti-shock impact for the heel of the foot.
  • The first and second cavity (3 and 30) act as pumping chambers due to the elastic deformation of the mushroom protuberances (2) and the collar (40), which are alternatively subjected to volume contraction and dilatation due to the pressure that is rhythmically exerted by the plant and the heel of the foot is during walking.
  • One of the main peculiarities of the bottom (1) of the invention consists in the fact that the pumping chambers (3 and 30) are not communicating and use the same air valve (50), which consists in a three-way valve, with one outlet (51) and two inlets (52) in coaxial opposite position.
  • The bottom (1) is provided in the plantar arch with a central housing (10) designed to contain the air valve (50) with a basically T-shaped configuration, whose horizontal wing is provided with the inlet conduits (52) that, being oriented one after the other, form a single conduit (53) that intersects the vertical outlet conduit (51).
  • To avoid the backflow of the air from the outlet conduit (51) towards the inlet conduits (52), the valve (50) also comprises a pre-compressed spring (54) contained inside the said conduit (53) and positioned between closing means (55) that close the inlet conduits (52) respectively.
  • The housing (10) communicates with the cavities (3 and 30) by means of corresponding longitudinal channels (61 and 62), while the bottom of the housing (10) is provided with a vertical through conduit (63) that exactly houses the vertical wing of the T-shaped valve (50).
  • FIG. 5 illustrates an alternative constructive embodiment of the air valve. According to this embodiment, although maintaining the T-shaped configuration, the air valve (500) is provided with two separate outlet conduits (51 a and 51 b) in parallel position in the vertical wing of the T-shaped valve (500).
  • The two outlet conduits (51 a and 51 b) communicate with corresponding air inlet conduits (52 a and 52 b) in opposite position in the horizontal wing of the T-shaped valve (500).
  • The two air inlet conduits (52 a and 52 b) are closed by closing means (55) subjected to the action of corresponding springs (53).

Claims (14)

1. Moulded shoe bottom, of the type provided with a lower tread (1 a), a heel (T) and an upper plant (1 b) with a dense series of protuberances (2) that project from the bottom wall of a first cavity (3), having the same surface as the half plant of the bottom, each protuberance (2) having a vertical stem (2 a) with a circular hollow section, bottom (1) characterised in that each protuberance (2) has a mushroom configuration that includes an enlarged head (2 b) and the heel (T) is provided with a second cavity (30), from which a collar (40) with basically rectangular section and rounded corners projects in central position.
2. Bottom as claimed in the claim 1, characterised in that said collar (40) comprises lateral walls (40 a) and said collar (40) ends on top with an internal flange (41) with lower thickness than the lateral walls (40 a) of the collar (40).
3. Bottom as claimed in claim 1, characterised in that the head (2 b) of the protuberances basically consists in a sort of annular flange with square shape and rounded corners.
4. Bottom as claimed in claim 1, characterised in that the thickness of the head (2 b) is not constant and is tapered away from the centre.
5. Bottom as claimed in claim 1, characterised in that all the protuberances (2) are situated in parallel position in such a way that very narrow empty spaces, preferably lower than 2 mm, are left between the enlarged heads (2 b) with longitudinal or transversal direction.
6. Bottom as claimed in claim 1, characterised in that the first cavity (3) is surrounded by a flat perimeter band (5) that runs along the entire edge of the bottom (1).
7. Bottom as claimed in claim 1, characterised in that said lateral wall (40 a) of the collar comprise a lower section (40 a′) and an upper section (40 a″) and the second cavity (30) is provided with a series of stiffening elements (42) extending between the internal wall of the cavity (30) and the external wall of the collar (40) and in that the height of the said stiffening elements (42) decreases from the outside to the inside of the heel, in such a way to give high rigidity to the lower section (40 a′) of the lateral wall (40 a), whose upper section (40 a″) is provided with higher elastic 5 flexibility.
8. Bottom as claimed in claim 1, characterised in that the cavities (3 and 30) do not communicate and use the same air valve (50, 500), which consists in a valve that comprises at least one outlet and two inlets in opposite position.
9. Bottom as claimed in claim 8, characterised in that the bottom (1) is provided in the plantar arch with a central housing (10) designed to contain the air valve (50, 500).
10. Bottom as claimed in claim 8, characterised in that the valve (50) has a Tshaped configuration comprising a vertical wing and an horizontal wing provided with two inlet conduits (52) in opposite coaxial position that, being oriented one after the other, form a single conduit (53) that intersects a vertical outlet conduit (51) obtained in the vertical wing of the T-shaped valve (50).
11. Bottom as claimed claim 10, characterised in that the valve (50) comprises a pre-compressed spring (54) contained inside the said conduit (53) in intermediate position between closing means (55) that close the inlet conduits (52) respectively.
12. Bottom as claimed in claim 8, characterised in that the valve (500) has a T-shaped configuration, comprising an horizontal wing and a vertical wing provided with two separate outlet conduits (51 a and 51 b) in parallel position that communicate with corresponding air inlet conduits (52 a and 52 b) in opposite position on the horizontal wing of the T-shaped valve (500).
13. Bottom as claimed in claim 13, characterised in that the air inlet conduits (52 a and 52 b) are closed by closing means (55) subjected to the 30 action of corresponding springs (53).
14. Bottom as claimed in claim 10, characterised in that the housing (10) of air valve (50, 500) communicates with the cavities (3 and 30) by means of corresponding longitudinal channels (61 and 62), while the bottom of the housing (10) is provided with a vertical through conduit (63) that exactly houses the vertical wing of the T-shaped valve (50, 500).
US12/733,433 2007-09-12 2008-08-07 Moulded shoe bottom with high anti-shock ventilation properties Abandoned US20100205830A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITMC20070177 ITMC20070177A1 (en) 2007-09-12 2007-09-12 A shoe bottom, formed by molding, having high shock-absorbing qualities
ITMC2007A000177 2007-09-12
ITMC2008A000072 2008-05-09
ITMC20080072 ITMC20080072A1 (en) 2008-05-09 2008-05-09 A shoe bottom, formed by molding, having high shock-absorbing qualities.
PCT/EP2008/060394 WO2009033899A1 (en) 2007-09-12 2008-08-07 Moulded shoe bottom with high anti-shock ventilation properties.

Publications (1)

Publication Number Publication Date
US20100205830A1 true US20100205830A1 (en) 2010-08-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
US12/733,433 Abandoned US20100205830A1 (en) 2007-09-12 2008-08-07 Moulded shoe bottom with high anti-shock ventilation properties

Country Status (4)

Country Link
US (1) US20100205830A1 (en)
EP (1) EP2187772B1 (en)
CA (1) CA2697811A1 (en)
WO (1) WO2009033899A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120198729A1 (en) * 2009-10-29 2012-08-09 Gruppo Meccaniche Luciani S.R.L. Shoe with ventilation system
WO2014078523A1 (en) * 2012-11-15 2014-05-22 Acculign Shoe Company Limited Comfort shoe
CN103989286A (en) * 2014-06-04 2014-08-20 陈壹敏 Breathable massage shoe sole and shoe with same
US20140259756A1 (en) * 2014-05-30 2014-09-18 Wan-Fu Pan Multi-function ventilated insole
US20140259750A1 (en) * 2013-03-18 2014-09-18 Torng-Haur Yeh Air-cushioned heel with breathing function
US20140331525A1 (en) * 2013-05-13 2014-11-13 Ariel West Footwear with plantar misting system
US20150208760A1 (en) * 2014-01-24 2015-07-30 Tung-Cheng Chen Sole for rehabilitation footwear

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5655314A (en) * 1995-03-17 1997-08-12 Petris - S.P.A. Moulded shoe sole able to take in air from the inside of the shoe and push it out from the heel
US5662052A (en) * 1995-11-13 1997-09-02 United States Department Of Energy Method and system including a double rotary kiln pyrolysis or gasification of waste material
US6098313A (en) * 1991-09-26 2000-08-08 Retama Technology Corporation Shoe sole component and shoe sole component construction method
US6282813B1 (en) * 1997-04-18 2001-09-04 Onifares Elpidio Squadroni Shoe sole provided with transpiration aid avoiding the inlet of liquids from the outside
US6754982B2 (en) * 2001-11-30 2004-06-29 Wolverine World Wide, Inc. Shoe cushioning system and related method of manufacture
US6775926B1 (en) * 2003-05-16 2004-08-17 Hsiu-Lan Huang Yeh Shoe sole structure
US6976319B2 (en) * 2003-05-05 2005-12-20 Phoenix Footwear Group, Inc. Footwear construction
US7013585B2 (en) * 2004-08-12 2006-03-21 Chie-Fang Lo Cushion device for shoes
US7086180B2 (en) * 2003-12-23 2006-08-08 Nike, Inc. Article of footwear having a fluid-filled bladder with a reinforcing structure
US7712229B2 (en) * 2007-02-07 2010-05-11 Hee Woon Yang Air-circulating shock absorbing shoes

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US4319412A (en) * 1979-10-03 1982-03-16 Pony International, Inc. Shoe having fluid pressure supporting means
US4345387A (en) * 1980-03-31 1982-08-24 Daswick Alexander C Resilient inner sole for a shoe
ATA4372003A (en) * 2003-03-19 2005-04-15 Plato Plastik Robert Frank Gmb Shoe with detachably connectable outsole
ES1054561U (en) * 2003-04-16 2003-08-01 Evaplast S L Aeration system for shoe soles

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6098313A (en) * 1991-09-26 2000-08-08 Retama Technology Corporation Shoe sole component and shoe sole component construction method
US5655314A (en) * 1995-03-17 1997-08-12 Petris - S.P.A. Moulded shoe sole able to take in air from the inside of the shoe and push it out from the heel
US5662052A (en) * 1995-11-13 1997-09-02 United States Department Of Energy Method and system including a double rotary kiln pyrolysis or gasification of waste material
US6282813B1 (en) * 1997-04-18 2001-09-04 Onifares Elpidio Squadroni Shoe sole provided with transpiration aid avoiding the inlet of liquids from the outside
US6754982B2 (en) * 2001-11-30 2004-06-29 Wolverine World Wide, Inc. Shoe cushioning system and related method of manufacture
US6976319B2 (en) * 2003-05-05 2005-12-20 Phoenix Footwear Group, Inc. Footwear construction
US6775926B1 (en) * 2003-05-16 2004-08-17 Hsiu-Lan Huang Yeh Shoe sole structure
US7086180B2 (en) * 2003-12-23 2006-08-08 Nike, Inc. Article of footwear having a fluid-filled bladder with a reinforcing structure
US7013585B2 (en) * 2004-08-12 2006-03-21 Chie-Fang Lo Cushion device for shoes
US7712229B2 (en) * 2007-02-07 2010-05-11 Hee Woon Yang Air-circulating shock absorbing shoes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120198729A1 (en) * 2009-10-29 2012-08-09 Gruppo Meccaniche Luciani S.R.L. Shoe with ventilation system
WO2014078523A1 (en) * 2012-11-15 2014-05-22 Acculign Shoe Company Limited Comfort shoe
US20140259750A1 (en) * 2013-03-18 2014-09-18 Torng-Haur Yeh Air-cushioned heel with breathing function
US20140331525A1 (en) * 2013-05-13 2014-11-13 Ariel West Footwear with plantar misting system
US20150208760A1 (en) * 2014-01-24 2015-07-30 Tung-Cheng Chen Sole for rehabilitation footwear
US20140259756A1 (en) * 2014-05-30 2014-09-18 Wan-Fu Pan Multi-function ventilated insole
CN103989286A (en) * 2014-06-04 2014-08-20 陈壹敏 Breathable massage shoe sole and shoe with same

Also Published As

Publication number Publication date
WO2009033899A1 (en) 2009-03-19
EP2187772B1 (en) 2017-07-12
CA2697811A1 (en) 2009-03-19
EP2187772A1 (en) 2010-05-26

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AS Assignment

Owner name: ALBA RAPPRESENTANZE DI MENGHINI GIUSEPPE E C. S.A.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PULCINI, ALBERTO;REEL/FRAME:024029/0605

Effective date: 20100222

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION