EP0250634A1 - Gleitschutzüberschuh mit Kopfnägeln - Google Patents
Gleitschutzüberschuh mit Kopfnägeln Download PDFInfo
- Publication number
- EP0250634A1 EP0250634A1 EP86109079A EP86109079A EP0250634A1 EP 0250634 A1 EP0250634 A1 EP 0250634A1 EP 86109079 A EP86109079 A EP 86109079A EP 86109079 A EP86109079 A EP 86109079A EP 0250634 A1 EP0250634 A1 EP 0250634A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- undershoe
- sole
- hobnailed
- featured
- protrusions
- 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- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C15/00—Non-skid devices or attachments
- A43C15/06—Ice-gripping devices or attachments, e.g. ice-spurs, ice-cleats, ice-creepers, crampons; Climbing devices or attachments, e.g. mountain climbing irons
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/18—Attachable overshoes for sporting purposes
Definitions
- This invention concerns a nonskid hobnailed undershoe which can be worn under usually worn shoes directly and quickly.
- the hobnailed.undershoe concerned allows to avoid skidding when one walks on icy and/or snowy surfaces with no need of wearing special shoes or boots.
- An essential feature of this invention is that the undershoe is a sheath of elastic material, which has an open upper side into which the usual shoe wearing foot can be inserted and a lower side that comprises a sole of resilient, semiflexible material that, on its turn, comprises a range of nail-shaped metal inserts, the points of which protrude out of the sole of resilient material and are turned toward the outside of the sole.
- a further main feature of the invention is that the sole of resilient material is shaped with grooves alternated with protrusions.
- the grooves and the protrusions are parallel, have a rectangular section parallelepiped shape and are arranged transversally to the main dimension (length) of the undershoe.
- the metal nails which are preferably made of stainless steel or other hard, stainless metal alloys, are favourably inserted into the protrusions. It is obvious to any expert in this line that many other shapes and arrangements of protrusions and grooves in the stiff side of the sole of the undershoe concerned are possible, such as a range of rolls or square-based parallelepipeds, evenly arranged on the sole surface. In any case, the ratio between the contact surfaces of the protruding parts to the ground and the total surface of the undershoe sole shall range from 40 % and 70 %. Lower values of protruding surface are unfavourable and make walking uncomfortable, while higher values reduce the grip of protrusions on snow.
- the quantity of metal nails inserted into the protruding parts of sole is typically 20 to 60 nails in total per .sole.
- the points of said nails protrude from the semirigid side of sole for an height O.1 to 2 mm; in the favourite model the value of said protrusion is 0.2 to 0.6 mm.
- natural and/or synthetic polymeric materials of elastomeric type such as natural rubber, SBR, nitrile,.chloroprene, butyl, ethylene-propylene, silicone, fluoride, polyurethan elastomers, both as vulcanizable moldable masses and as latexes.
- thermoplastic type such as polyesters, polyamides, polycarbonates, polyacetales, polyolefines, polyacrylics, polyurethanes, ABS, PVC proved particularly suitable.
- the above said materials can be compounded with their proper additives, plasticizers, pigments commonly used in the rubber industry and compatible with the chosen material, in order to get the rigidity-, resiliency- and abrasion resistance - values required for the specific case.
- Molding of this undershoe according to this invention can be done with the usual molding or casting methods used for the single materials. Molding or casting are performed as a two-stage process: during the first stage the sole with metal inserts is molded, during the second stage the sheath is molded and the sole is used as an insert. This following-insert two-stage process makes the finished piece particularly resistant, because there is no possibility of unsticking of the sole from the sheath.
- the hobnailed undershoe of th shown type is a sheath of vulcanized natural rubber into which, before vulcanizing, an insert or molded ABS polymer having a range of rectangular section parallelepiped protrusions 2 with inserted steel nails 1 was inserted.
- the parallelepiped protrusions 2 are spaced by grooves 3 so that the lower surface of the protruding part amounts to 60 % of the total sole surface.
- the side edge of the sheath is 1 to 3 cm. high, while the front side is shaped to enclose shoe- tip for a length of 2 to 4 cm. and the back side is 3 to 6 cm. high. It is clear that the undershoe under this invention can be made in different shapes suitable to be easily worn both on standard shoes and on climbing-or ski-boots, both for men and for women.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP86109079A EP0250634A1 (de) | 1986-07-03 | 1986-07-03 | Gleitschutzüberschuh mit Kopfnägeln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP86109079A EP0250634A1 (de) | 1986-07-03 | 1986-07-03 | Gleitschutzüberschuh mit Kopfnägeln |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0250634A1 true EP0250634A1 (de) | 1988-01-07 |
Family
ID=8195238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86109079A Withdrawn EP0250634A1 (de) | 1986-07-03 | 1986-07-03 | Gleitschutzüberschuh mit Kopfnägeln |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0250634A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4985340A (en) * | 1988-06-01 | 1991-01-15 | Minnesota Mining And Manufacturing Company | Energy curable compositions: two component curing agents |
FR2699375A1 (fr) * | 1992-12-21 | 1994-06-24 | Nadaud Jean | Semelle amovible anti-dérapante. |
FR2709929A1 (fr) * | 1993-09-13 | 1995-03-24 | Inova France | Semelle antidérapante. |
US5469644A (en) * | 1992-06-09 | 1995-11-28 | Vidler; James W. | Footwear accessory |
EP1181872A2 (de) * | 2000-08-25 | 2002-02-27 | Sure Foot Corporation | Rutschhemmender Überschuh und Dornmontage |
EP2465374A1 (de) * | 2010-12-16 | 2012-06-20 | Urban Art, S.L. | Schuhbedeckung mit Nägeln |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1841710A (en) * | 1930-12-06 | 1932-01-19 | Edward C Byrne | Overshoe for use in sports |
DE1936861A1 (de) * | 1969-07-19 | 1971-01-28 | Otto Enser | Schornsteinhaube |
US3643352A (en) * | 1970-10-02 | 1972-02-22 | Raymond K S Adair | Overshoe for golf |
FR2423173A1 (fr) * | 1978-04-19 | 1979-11-16 | Michel Martial | Semelle permettant de se deplacer sur un sol glissant |
US4246707A (en) * | 1980-03-27 | 1981-01-27 | Frank Pedersen | Convertible overshoes |
US4434565A (en) * | 1980-03-27 | 1984-03-06 | Haley Robert D | Non-slip overshoe |
-
1986
- 1986-07-03 EP EP86109079A patent/EP0250634A1/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1841710A (en) * | 1930-12-06 | 1932-01-19 | Edward C Byrne | Overshoe for use in sports |
DE1936861A1 (de) * | 1969-07-19 | 1971-01-28 | Otto Enser | Schornsteinhaube |
US3643352A (en) * | 1970-10-02 | 1972-02-22 | Raymond K S Adair | Overshoe for golf |
FR2423173A1 (fr) * | 1978-04-19 | 1979-11-16 | Michel Martial | Semelle permettant de se deplacer sur un sol glissant |
US4246707A (en) * | 1980-03-27 | 1981-01-27 | Frank Pedersen | Convertible overshoes |
US4434565A (en) * | 1980-03-27 | 1984-03-06 | Haley Robert D | Non-slip overshoe |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4985340A (en) * | 1988-06-01 | 1991-01-15 | Minnesota Mining And Manufacturing Company | Energy curable compositions: two component curing agents |
US5469644A (en) * | 1992-06-09 | 1995-11-28 | Vidler; James W. | Footwear accessory |
FR2699375A1 (fr) * | 1992-12-21 | 1994-06-24 | Nadaud Jean | Semelle amovible anti-dérapante. |
FR2709929A1 (fr) * | 1993-09-13 | 1995-03-24 | Inova France | Semelle antidérapante. |
EP1181872A2 (de) * | 2000-08-25 | 2002-02-27 | Sure Foot Corporation | Rutschhemmender Überschuh und Dornmontage |
EP1181872A3 (de) * | 2000-08-25 | 2004-07-07 | Sure Foot Corporation | Rutschhemmender Überschuh und Dornmontage |
US6836977B2 (en) | 2000-08-25 | 2005-01-04 | Larson Jon C | Anti-slip overshoe |
USRE42965E1 (en) | 2000-08-25 | 2011-11-29 | Sure Foot Corporation | Anti-slip overshoe |
USRE44193E1 (en) | 2000-08-25 | 2013-05-07 | Sure Foot Corporation | Replaceable spikes for anti-slip overshoe |
EP2465374A1 (de) * | 2010-12-16 | 2012-06-20 | Urban Art, S.L. | Schuhbedeckung mit Nägeln |
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Legal Events
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 |
Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
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: 19880908 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SALUTATI, GIOVANNI |