EP0075499A1 - Complexe absorbant notamment pour la fabrication de première de propreté pour articles chaussants - Google Patents

Complexe absorbant notamment pour la fabrication de première de propreté pour articles chaussants Download PDF

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Publication number
EP0075499A1
EP0075499A1 EP82401595A EP82401595A EP0075499A1 EP 0075499 A1 EP0075499 A1 EP 0075499A1 EP 82401595 A EP82401595 A EP 82401595A EP 82401595 A EP82401595 A EP 82401595A EP 0075499 A1 EP0075499 A1 EP 0075499A1
Authority
EP
European Patent Office
Prior art keywords
fibers
partly
materials
footwear
absorbent
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Withdrawn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
EP82401595A
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German (de)
English (en)
French (fr)
Inventor
Christian Clavaud
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.)
Industrielle De Matha Societe A Responsabilite Ltee Ste
Original Assignee
Industrielle De Matha Societe A Responsabilite Ltee Ste
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 Industrielle De Matha Societe A Responsabilite Ltee Ste filed Critical Industrielle De Matha Societe A Responsabilite Ltee Ste
Publication of EP0075499A1 publication Critical patent/EP0075499A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • A43B17/102—Moisture absorbing socks; Moisture dissipating socks
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0045—Footwear characterised by the material made at least partially of deodorant means

Definitions

  • the invention relates to an absorbent complex specially adapted, but not exclusively, for the production of cleansing insoles for footwear.
  • Role of perspiration it has two important functions which are the regulation of the external temperature of the body on the one hand, and the elimination of dermal toxins on the other hand.
  • sweat lowers the temperature of the bodily areas where it is emitted, and in addition, evacuates various materials among which urea, creatinine, uric acid ... etc.
  • Stimulation of perspiration sweat is emitted by the sweat glands which are very numerous at the level of the foot (375 glands / cm2).
  • the quantitative aspect the amount of sweat emitted is very variable depending on the subjects, the temperature and the region of the body.
  • the average daily value for an individual weighing sixty-five kgs and subjected to a temperature of 25 ° C is between 1.5 liters and 2.5 liters.
  • extreme values of pathological character have been observed, ranging from a minimum of 0.10 liters to a maximum of 10 liters.
  • the average emission is around 15 to 20 cm 3 per day, but there are huge differences from one individual to another.
  • Foot moisture as everyone knows, sweat is made up of 99% water. This humidity, not only unpleasant to wear, also causes dermatoses (Atlétic Foot).
  • BROMHIDROSE Sormal odors: sweat, odorless on emission, quickly becomes smelly. This condition called BROMHIDROSE comes from the decomposition of organic matter, certain bacteria finding there a favorable environment for their development play an important role in this decomposition.
  • leather is rightly regarded as the suitable material to avoid excessive humidity. Indeed, leather absorbs water well but does so slowly and has no deodorant action.
  • the invention therefore aims at a new means making it possible to reduce, as far as possible, the physical inconveniences and the psychological consequences linked to excessive sweating, without however opposing this natural sweating.
  • Non-woven materials obtained by the dry route are in fact made up partly of short natural fibers, such as defibrillated leather fibers, and partly of synthetic fibers, these natural and synthetic fibers being consolidated and joined together by the addition of a resinous binder, the material thus formed then undergoing a sewing-knitting operation.
  • the nonwoven material by virtue of its permeable, ventilated structure, and above all because of its composition and its isotropic type texture, exhibits a great power of diffusion, that is to say that moisture absorbed locally is immediately distributed over the entire surface.
  • the invention therefore relates to an absorbent complex, in particular for the production of cleanliness insoles for footwear, characterized in that it consists of a compound of two superimposed materials, the one on top of which acts as a moisture diffuser and that of below the role of moisture reservoir or vice versa, the first material being formed partly of defibrillated leather fibers and partly of synthetic fibers, these various fibers being linked together by the addition of a resinous binder, and the second material being, meanwhile, formed of an absorbent felt with great retention power, the two materials being assembled over their entire surface by a point bonding and a peripheral seam.
  • the diffusing material consists of a nonwoven product obtained by the dry route and formed of 49% of defibrillated leather fibers and 50% of polyester fibers and of 1% of polyethylene.
  • the reservoir material consists of an absorbent felt comprising 75% of cotton fibers, 23% of polytetrafluoroethylene fibers and 2% of binder.
  • the original complex which makes it possible for the first time to provide a natural, universal and long-lasting solution to perspiration of the foot, consists of two strictly complementary materials, assembled together in the form of a binary type complex, the top material preferably being a nonwoven obtained by the dry process and acting as a diffuser, while the bottom material is formed from a nonwoven mattress acting as a moisture reservoir or vice versa.
  • the upper material 1 which has the purpose of trapping moisture and diffusing it instantaneously over the entire surface of the sole (Fig. 1) consists, in known manner, of a mixture of short natural fibers and synthetic fibers consolidated and associated by a resinous binder, the natural fibers possibly being fibers of defibrillated leather, and the synthetic fibers of polyester fibers, the material thus composed then undergoing a sewing-knitting operation.
  • This type of material is generally made up of synthetic fibers and natural fibers in substantially equal proportions, for example 50% for the former and 49% for the latter, plus 1% of binder.
  • These materials have a permeable and airy fibrous structure, absorbing and diffusing moisture.
  • This first material is combined with the reservoir mattress 2 which is cut to the same contour as the first material, the two components being bonded to each other from time to time over the entire surface of the sole by bonding points 3 (Fig. 2) supplemented by a seam. zigzag device 4.
  • the reservoir material is made up of an absorbent felt formed mainly of cotton fibers and, to a lesser extent, polytetrafluoroethylene fibers, the whole being assembled by a binder.
  • This nonwoven with great retention power is perfectly known in particular for the manufacture of diapers for children or for feminine hygiene articles.
  • the first of cleanliness obtained by the superposition of the two aforementioned materials is impregnated in depth with a special deodorant whose action spreads over time for about three months, due to the retention of the diffuser material 1 and of the reservoir that constitutes the felt 2.
  • the invention therefore provides a solution to the drawbacks of humidity and odor and the measurements carried out by the Technical Center for Leather show that the invention has an absorption capacity greater than that of a croupon leather first known for this quality.
  • the invention can retain 33 cm3 of water, which largely covers the average daily sweat emission from the foot, which is between 15 and 20 cm3.
  • the invention also provides a solution to bad odors, due to the presence of a long-effective deodorant.
  • This deodorant is neither a bactericide nor an antiperspirant, its action is obtained by an odor absorber.
  • the first cleanliness according to the invention has long-lasting absorption qualities. Indeed, the absorption capacity of the sole according to the invention is such that it largely covers the daily emission of sweat, but in addition this first dries overnight and can therefore again play its role the next day.
  • This drying time can be shortened by removing the first one from the shoe in the evening.
  • the wearing tests show that the first according to the invention is solid and does not degrade on friction, its lifespan is therefore great.
  • this first cleanliness can be machine washed without more care than a synthetic fabric, avoiding exceeding the temperature of 50 ° C. Indeed, up to this temperature, the leather fibers contained in the sole retain their mechanical properties.
  • the low volume of the first according to the intake allows it to adapt to all shoes without reducing the footwear volume.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Laminated Bodies (AREA)
EP82401595A 1981-09-16 1982-08-27 Complexe absorbant notamment pour la fabrication de première de propreté pour articles chaussants Withdrawn EP0075499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8117453A FR2512649A1 (fr) 1981-09-16 1981-09-16 Complexe absorbant notamment pour la fabrication de premiere de proprete pour articles chaussants
FR8117453 1981-09-16

Publications (1)

Publication Number Publication Date
EP0075499A1 true EP0075499A1 (fr) 1983-03-30

Family

ID=9262177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401595A Withdrawn EP0075499A1 (fr) 1981-09-16 1982-08-27 Complexe absorbant notamment pour la fabrication de première de propreté pour articles chaussants

Country Status (3)

Country Link
EP (1) EP0075499A1 (enrdf_load_stackoverflow)
KR (1) KR840001264A (enrdf_load_stackoverflow)
FR (1) FR2512649A1 (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3423693A1 (de) * 1983-06-27 1985-01-03 André OUIN Belueftetes schuhwerk
GB2161057A (en) * 1984-07-02 1986-01-08 Marti Manuela Hernandez Auxiliary insole element
DE3520093A1 (de) * 1985-06-05 1986-12-11 Fa. Carl Freudenberg, 6940 Weinheim Deck- oder einlegesohle
FR2595216A1 (fr) * 1986-03-10 1987-09-11 Umber Mathee Protege semelle de chaussure interieur et adhesif, d'usage quotidien
FR2682012A1 (fr) * 1991-09-24 1993-04-09 Philippe Christian Semelle interieure modulaire pour articles chaussants.
WO1997040717A1 (en) * 1996-04-27 1997-11-06 Texon Uk Limited A lining insole
ITRM20110451A1 (it) * 2011-08-31 2013-03-01 Vitis Nannina De Soletta igienica monouso per assorbire sudore da inserire in una calzatura.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1412603A (en) * 1921-04-23 1922-04-11 Berry Althea Thompson Innersole
FR1226538A (fr) * 1959-02-14 1960-07-13 Difan Semelle absorbante
FR1369246A (fr) * 1963-07-30 1964-08-07 Coussin absorbant particulièrement pour semelles et son procédé de fabrication
FR2360273A1 (fr) * 1976-07-31 1978-03-03 Ass Paper Ind Semelles interieures pour ch
DE2753854A1 (de) * 1977-12-01 1979-06-07 Schelchen Schuhbedarf Einlegesohle
DE2812474A1 (de) * 1978-03-22 1979-09-27 Bama Werke Curt Baumann Einlegesohle fuer schuhe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1412603A (en) * 1921-04-23 1922-04-11 Berry Althea Thompson Innersole
FR1226538A (fr) * 1959-02-14 1960-07-13 Difan Semelle absorbante
FR1369246A (fr) * 1963-07-30 1964-08-07 Coussin absorbant particulièrement pour semelles et son procédé de fabrication
FR2360273A1 (fr) * 1976-07-31 1978-03-03 Ass Paper Ind Semelles interieures pour ch
DE2753854A1 (de) * 1977-12-01 1979-06-07 Schelchen Schuhbedarf Einlegesohle
DE2812474A1 (de) * 1978-03-22 1979-09-27 Bama Werke Curt Baumann Einlegesohle fuer schuhe

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3423693A1 (de) * 1983-06-27 1985-01-03 André OUIN Belueftetes schuhwerk
GB2161057A (en) * 1984-07-02 1986-01-08 Marti Manuela Hernandez Auxiliary insole element
DE3520093A1 (de) * 1985-06-05 1986-12-11 Fa. Carl Freudenberg, 6940 Weinheim Deck- oder einlegesohle
US4709490A (en) * 1985-06-05 1987-12-01 Firma Carl Freudenberg Insole
EP0204029A3 (en) * 1985-06-05 1988-06-08 Firma Carl Freudenberg Cover or insole
FR2595216A1 (fr) * 1986-03-10 1987-09-11 Umber Mathee Protege semelle de chaussure interieur et adhesif, d'usage quotidien
FR2682012A1 (fr) * 1991-09-24 1993-04-09 Philippe Christian Semelle interieure modulaire pour articles chaussants.
WO1997040717A1 (en) * 1996-04-27 1997-11-06 Texon Uk Limited A lining insole
ITRM20110451A1 (it) * 2011-08-31 2013-03-01 Vitis Nannina De Soletta igienica monouso per assorbire sudore da inserire in una calzatura.

Also Published As

Publication number Publication date
FR2512649A1 (fr) 1983-03-18
FR2512649B1 (enrdf_load_stackoverflow) 1984-12-21
KR840001264A (ko) 1984-04-30

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Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE GB IT LI LU NL

17P Request for examination filed

Effective date: 19830628

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19841016

RIN1 Information on inventor provided before grant (corrected)

Inventor name: L'AUTRE INVENTEUR A RENONCE A SA DESIGNATION.

Inventor name: CLAVAUD, CHRISTIAN