EP0379345A1 - Pointe de talon pour chaussure de femme - Google Patents

Pointe de talon pour chaussure de femme Download PDF

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Publication number
EP0379345A1
EP0379345A1 EP90300464A EP90300464A EP0379345A1 EP 0379345 A1 EP0379345 A1 EP 0379345A1 EP 90300464 A EP90300464 A EP 90300464A EP 90300464 A EP90300464 A EP 90300464A EP 0379345 A1 EP0379345 A1 EP 0379345A1
Authority
EP
European Patent Office
Prior art keywords
head
heel
pin
top piece
cap
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Withdrawn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
EP90300464A
Other languages
German (de)
English (en)
Inventor
John Edward Kynaston
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 EP90300464A priority Critical patent/EP0379345A1/fr
Publication of EP0379345A1 publication Critical patent/EP0379345A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
    • A43B21/20—Heels; Top-pieces or top-lifts characterised by the material plastics
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means

Definitions

  • a heel In the manufacture of high heels for ladies' shoes, the main body of a heel is usually made of a light, rigid plastics material such as polystyrene. It is then necessary to provide a top piece of a more durable material to protect from wear the surface of the heel that is in contact with the ground. Such a top piece may be fastened to the heel by means of a heel pin having a head embedded in the material of the top piece and a shaft wedged tightly in a reinforced hole in the body of the heel.
  • Patent Specification GB 936597 discloses a heel lift with a similarly elongated metallic pin member having a head embedded in the lift body and openings in the side walls of the head through which an elastic material forms a mechanical bond.
  • the described construction of the head portion requires that it be of a greater diameter than the shank.
  • the head must inevitably be large, especially since in the described embodiments the shank is long enough and thick enough to provide the heel's strength. This prevents the manufacture of heels as slender as might be desired and gives poor resistance to wear.
  • the invention provides a heel pin for securing a top piece on a ladies' shoe heel, which pin comprises a knurled shank for driving into a reinforcement tube moulded in the heel, a collar around an end of the shank, a head above the collar, a cup formed in the top of the head, and an aperture through a side of the head to the cup.
  • the invention further provides for such a heel pin further comprising a cap of plastics material moulded around the head and within the cup and connecting through the aperture to form a mechanical interlock between the cap and the head of the pin.
  • This construction allows for the head of the pin to be relatively small compared with the diameter of the shank and so top pieces may be attached to more slender heels than was previously possible, without reduction in the strength with which they are attached. Also, the extra thickness of plastic accommodated by a small pin head provides longer and more even wear.
  • Figure 1 shows a heel pin comprising a shank 10 and a head 12 separated by a collar 14 around the circumference of the shank.
  • the shaft 10 has a conical point 16 at the end remote from the head 12, for ease of insertion into a reinforcement tube in a shoe heel.
  • the shank 10 is also provided with a knurled portion 18 in the form of ridges extending longitudinally along the shaft from the collar 14. When, in use, the heel pin is located in the reinforcement tube, the ridges engage the inner surface of the tube to prevent relative rotation of the heel pin and the heel.
  • FIG. 2 The sections of Figures 2,3 and 5 help to illustrate the structure of the head 12 of the pin.
  • the head 12 is formed on the collar 14 such that the outer diameter of the head is smaller than the diameter of the collar.
  • a cup 26 is formed so as to be surrounded by a cylindrical wall 20.
  • At least one aperture is cut through the wall 20 to the cup 26 and in the preferred embodiment the aperture is in the form of a single transverse slot 22, extending approximately halfway around the circumference of the wall 20 as shown in Figure 3.
  • Figures 4 and 5 illustrate a cap 24 made of a plastics material surrounding the head 12 of the pin.
  • the cap 24 is moulded around the head 12 when the plastic is in a liquid state, enabling the liquid plastic to fill the cup 26, to surround the outer surface of the wall 20 and to flow through the slot 22, thereby connecting together the plastic within the cup 26 and the plastic outside the wall 20. This ensures that, when the plastic is set, there is a mechanical interlock between the cap 24 and the head 12 so that the cap can only be detached by breaking the plastic.
  • the cap 24 may constitute the whole of the top piece but more usually the cap wil be located in a hole in a separate top piece 28 of more flexible material, as illustrated.
  • the shank 10 of the heel pin is driven into a reinforcement tube in a shoe heel and the cap 24 is shaped so as to hold the top piece 28 firmly to the heel, with the walking surface 30 of the cap 24 lying flush with the walking surface 32 of the top piece 28.
  • the cap 24 may be provided with protrusions 34 to hinder relative rotation between the cap and the top piece 28 during use.
  • the material of the top piece 28 may be chosen to have a slightly higher melting point than that of the cap 24. Then, if the top piece 28 is moulded around the cap 24, there will be some melting of the material of the cap where it contacts the material of the top piece, forming a strong bond between the two.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP90300464A 1990-01-17 1990-01-17 Pointe de talon pour chaussure de femme Withdrawn EP0379345A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90300464A EP0379345A1 (fr) 1990-01-17 1990-01-17 Pointe de talon pour chaussure de femme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90300464A EP0379345A1 (fr) 1990-01-17 1990-01-17 Pointe de talon pour chaussure de femme

Publications (1)

Publication Number Publication Date
EP0379345A1 true EP0379345A1 (fr) 1990-07-25

Family

ID=8205259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90300464A Withdrawn EP0379345A1 (fr) 1990-01-17 1990-01-17 Pointe de talon pour chaussure de femme

Country Status (1)

Country Link
EP (1) EP0379345A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074187A (en) * 1962-02-12 1963-01-22 William H Klein Heel lift
US3119192A (en) * 1962-05-21 1964-01-28 Fernando M Ronci Reinforced heel and molded plastic tap
FR1409879A (fr) * 1964-07-22 1965-09-03 Bonbout avec armature perfectionnée
FR1431039A (fr) * 1965-01-27 1966-03-11 Bonbout perfectionné pour chaussures de dames
GB1096664A (en) * 1965-03-30 1967-12-29 Graham Oliver Luff Improvements in fixing metal members to moulded materials
GB2076632A (en) * 1980-03-29 1981-12-09 Abbey Plastics Ltd Fastening footwear heel top pieces
US4403426A (en) * 1981-07-27 1983-09-13 Kaplan S Richard Heel lift

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074187A (en) * 1962-02-12 1963-01-22 William H Klein Heel lift
US3119192A (en) * 1962-05-21 1964-01-28 Fernando M Ronci Reinforced heel and molded plastic tap
FR1409879A (fr) * 1964-07-22 1965-09-03 Bonbout avec armature perfectionnée
FR1431039A (fr) * 1965-01-27 1966-03-11 Bonbout perfectionné pour chaussures de dames
GB1096664A (en) * 1965-03-30 1967-12-29 Graham Oliver Luff Improvements in fixing metal members to moulded materials
GB2076632A (en) * 1980-03-29 1981-12-09 Abbey Plastics Ltd Fastening footwear heel top pieces
US4403426A (en) * 1981-07-27 1983-09-13 Kaplan S Richard Heel lift

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