EP0812551A2 - Chaussure de sécurité - Google Patents

Chaussure de sécurité Download PDF

Info

Publication number
EP0812551A2
EP0812551A2 EP97105018A EP97105018A EP0812551A2 EP 0812551 A2 EP0812551 A2 EP 0812551A2 EP 97105018 A EP97105018 A EP 97105018A EP 97105018 A EP97105018 A EP 97105018A EP 0812551 A2 EP0812551 A2 EP 0812551A2
Authority
EP
European Patent Office
Prior art keywords
sole
toe cap
shoe
rear end
toe
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Withdrawn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
EP97105018A
Other languages
German (de)
English (en)
Other versions
EP0812551A3 (fr
Inventor
Peter Lauer
Hubert Augustin
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of EP0812551A2 publication Critical patent/EP0812551A2/fr
Publication of EP0812551A3 publication Critical patent/EP0812551A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08—Heel stiffeners; Toe stiffeners
    • A43B23/081—Toe stiffeners
    • A43B23/082—Toe stiffeners made of metal
    • 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

Definitions

  • the invention relates to a safety shoe comprising a flexible sole (1) and a toe cap (2) made of metal attached to it.
  • Such a safety shoe is known from German utility model 7 903 438.
  • the toe cap touches the sole at a right angle. Excellent toe protection is achieved in this way, but the wearing comfort of a suitably equipped safety shoe is unsatisfactory.
  • the object of the invention is seen in further developing a safety shoe of the type mentioned at the outset in such a way that improved wearing comfort is achieved while ensuring good toe protection.
  • the toe cap touches the sole at an acute angle at its rear end.
  • the relatively deformable area of the sole thus becomes essential in the area of the ball of the foot increases, which reduces the forces required to flex the sole and distributes the diffraction over a relatively enlarged area of the sole.
  • the forces to be exerted in the process of walking to flex the sole are thereby reduced, which makes walking easier and improves the wearing comfort.
  • there is a reduction in the specific maximum load on the sole because the bending stress is distributed over a comparatively larger zone of the sole and, as a result, a significantly improved durability.
  • no impairment of the toe protection has to be accepted.
  • the forces to be absorbed by the toe cap are normally introduced diagonally downwards and forwards into the latter and transferred to the sole, which largely excludes the occurrence of a backward tilting moment. This surprising finding was not yet available.
  • the toe cap can be bounded at its rear end in at least one partial area by a convex surface. This facilitates their harmonious insertion into the forefoot of a shoe.
  • the toe cap is delimited at the rear end by a lower surface which adjoins the sole at an acute angle and by an upper surface which essentially encloses a right angle with the sole. Both surfaces can be rounded into one another and optionally also into the base of the toe cap.
  • an exemplary safety shoe is shown in a partially cut-away representation.
  • a toe cap 2 is inserted in the front part, which is inseparably connected to the sole, for example by directly molding an outsole 5 made of plastic onto a toe cap 2 or riveting or gluing the toe cap 2 to an insole 5, which in turn is connected to an outsole 5 is connected.
  • a further improvement in the fixing of the toe cap 2 in the ready-to-use shoe can be achieved by inserting the toe cap into the intermediate zone between the upper material of the shoe and its inner lining.
  • the upper material and the inner lining are connected directly to one another in the areas immediately adjacent to the toe cap, for example by mutual sewing and / or gluing.
  • the shoes are both made of a tear-resistant material and thus give the toe cap an additional improved hold.
  • a material with cushioning and thermally insulating properties is often used. It helps prevent chafing from forming in the area of the foot and increases general comfort during the day.
  • the shoe is delimited in the lower area by the outsole 5 and by a heel 6 and in the upper area by a shaft 7.
  • the shaft and the outsole can be of any design.
  • the toe cap 2 generally consists of cold-formed sheet metal, for example of a deep-drawn steel or aluminum sheet. Variants created and composed can be used without any problems.
  • the toe cap is delimited at the rear end by a lower surface 3 which contacts the insole 1 at an acute angle ⁇ and by an upper surface 4 which essentially encloses a right angle with the insole 1 in the corresponding area.
  • the outsole extends parallel to the insole in this area.
  • the acute angle ⁇ , at which the lower surface 3 of the toe cap 2 touches the sole 1, is preferably 30 to 60 °, in particular approximately 45 °. At least the surfaces 3 and 4 can merge into one another in a rounded manner, possibly additionally the lower boundary surface of the toe cap 2, which lies against the sole, into the lower surface 3 of the toe cap 2.
  • the radius under which the individual surfaces in such designs amount to one another generally 8 to 20 mm, advantageously 12 mm. In addition to a further improvement in comfort, the presence of the radii results in a further improvement in the service life of the shoe by avoiding sharp kinks.
  • the portion of the toe cap 2 missing at the lower, rear end due to the presence of the lower surface 3 has a size C in the longitudinal direction of the shoe of 10 to 20 mm, preferably of about 15 mm, with a height in the vertical direction substantially corresponding to this value.
  • the freely available bending length of the insole 1, 5 is hereby significantly increased in the critical area of the ball of foot.
  • the safety shoe according to the invention can thus be used almost as comfortably as a normal sports shoe without a toe cap. Nevertheless, excellent toe protection that meets the safety requirements is guaranteed.
  • the invention can be used excellently in the manufacture of safety, protective and professional shoes. Their commercial applicability does not require any precautions that go beyond the average skill of a professional. A broad introduction of the invention into the shoe industry is therefore possible without any problems. The use according to the invention is also not excluded for the fashionable shoe sector.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP97105018A 1996-06-12 1997-03-25 Chaussure de sécurité Withdrawn EP0812551A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19623361 1996-06-12
DE1996123361 DE19623361C1 (de) 1996-06-12 1996-06-12 Sicherheitsschuh

Publications (2)

Publication Number Publication Date
EP0812551A2 true EP0812551A2 (fr) 1997-12-17
EP0812551A3 EP0812551A3 (fr) 1999-01-20

Family

ID=7796687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105018A Withdrawn EP0812551A3 (fr) 1996-06-12 1997-03-25 Chaussure de sécurité

Country Status (3)

Country Link
EP (1) EP0812551A3 (fr)
DE (1) DE19623361C1 (fr)
NO (1) NO971923L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003037127A1 (fr) * 2001-10-29 2003-05-08 Esjotech S.R.L. Protege-orteils, particulierement pour chaussures de securite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10220174A1 (de) * 2002-05-06 2003-12-04 Kurt Kemper Verfahren und Vorrichtung zur Herstellung eines Einsatzes für Sicherheits- oder Schutzschuhe und ein solcher Einsatz
NL1021967C2 (nl) * 2002-11-21 2004-05-26 Isco Technic B V Veiligheidsschoeisel.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154016B (de) * 1959-10-30 1963-09-05 Schabsky Atlas Schuhfab Sicherheitsschuh
US4908963A (en) * 1987-09-04 1990-03-20 Dezider Krajcir Safety shoe
US5457898A (en) * 1994-03-24 1995-10-17 Fortin; Gilles Metatarsal guard for safety shoe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7903438U1 (fr) * 1979-02-08 1979-06-13 Johann Terhoeven Gmbh & Co, 4178 Kevelaer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154016B (de) * 1959-10-30 1963-09-05 Schabsky Atlas Schuhfab Sicherheitsschuh
US4908963A (en) * 1987-09-04 1990-03-20 Dezider Krajcir Safety shoe
US5457898A (en) * 1994-03-24 1995-10-17 Fortin; Gilles Metatarsal guard for safety shoe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003037127A1 (fr) * 2001-10-29 2003-05-08 Esjotech S.R.L. Protege-orteils, particulierement pour chaussures de securite
US7062868B2 (en) 2001-10-29 2006-06-20 Esjotech S.R.L. Protective toecap, particularly for safety shoes

Also Published As

Publication number Publication date
NO971923D0 (no) 1997-04-25
DE19623361C1 (de) 1997-09-11
EP0812551A3 (fr) 1999-01-20
NO971923L (no) 1997-12-15

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