WO2009018994A1 - Aiguiseur pour aiguiser des lames et en particulier des lames de rasoir - Google Patents

Aiguiseur pour aiguiser des lames et en particulier des lames de rasoir Download PDF

Info

Publication number
WO2009018994A1
WO2009018994A1 PCT/EP2008/006425 EP2008006425W WO2009018994A1 WO 2009018994 A1 WO2009018994 A1 WO 2009018994A1 EP 2008006425 W EP2008006425 W EP 2008006425W WO 2009018994 A1 WO2009018994 A1 WO 2009018994A1
Authority
WO
WIPO (PCT)
Prior art keywords
sharpening
sharpener according
sharpener
blades
rounding
Prior art date
Application number
PCT/EP2008/006425
Other languages
German (de)
English (en)
Inventor
Thorsten Brenner
Original Assignee
Weschenfelder, Heinz
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 Weschenfelder, Heinz filed Critical Weschenfelder, Heinz
Priority to EP08785351A priority Critical patent/EP2183078A1/fr
Publication of WO2009018994A1 publication Critical patent/WO2009018994A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
    • B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
    • B24D15/10—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of safety-razor blades

Definitions

  • the invention relates to a sharpener for sharpening blades, in particular razor blades, with a holder, on which a sharpening element is received.
  • the invention is therefore an object of the invention to provide a sharpener for sharpening blades, especially razor blades, which is simple in construction, and to enable effective sharpening particular razor blades in multi-blade heads.
  • a shaver for sharpening blades in particular razor blades, with a holder to which a sharpening element is added, which has an outwardly projecting curve with a radius between 0.1 and 2 mm.
  • a sharpening element is used which is specially adapted to the shape of multi-blade razors. Since the sharpening element has a radius of between 0.1 and 2 mm radius, it can be individually guided along each razor blade of a multi-blade razor to sharpen it. It is sufficient to drive with the tip of the sharpening element at least once on each razor blade, preferably several times.
  • the sharpening element has a rounding with a radius of at least 0.2 mm, more preferably a rounding with a radius of at most 1 mm, preferably of at most 0.7 mm.
  • the rounding is formed at the end of a rotationally symmetrical section. This may be approximately cylindrical, conical or barrel-shaped.
  • the rounding is formed at the end of a broad tip with mutually running side surfaces.
  • the rounding can be either rounded on all sides in the form of a cylindrical, conical or barrel-shaped section, or at the end of an edge, which is formed approximately by the edge of a small plate or by a broad tip, which results from two mutually running side surfaces ,
  • the sharpening element can be formed according to a further embodiment of the invention at the end of a rod.
  • the rod can also take over the holder function for the sharpening element.
  • the rod may, for example, have a cylindrical, rectangular or polyhedral cross-section.
  • the sharpening element is exchangeably received on the holder.
  • a holder for different sharpening elements can be used or a sharpening element can be replaced after damage or wear if necessary.
  • the sharpening element has an axial length of at most 20 mm, preferably of at most 15 mm, more preferably of at most 10 mm, particularly preferably of at most 8 mm.
  • the axial length of the sharpening element is preferably at least 1 mm, more preferably at least 3 mm, more preferably at least 5 mm.
  • the sharpening element tapers at an angle of 5 ° to 50 °, preferably from 10 ° to 35 °, more preferably from 15 ° to 30 ° to the rounding out.
  • This measure supports a precise sharpening process.
  • a protective cap can be provided which is removably received on the sharpening element.
  • the sharpening element is preferably made of ceramic, such as an alumina-based ceramic, but may in principle also be made of stone or metal with an abrasive coating e.g. made of diamond, boron carbide or titanium carbide.
  • the object of the invention is achieved by a sharpener for sharpening blades, in particular razor blades, with a holder, on which an edged sharpening element is received, which has at least one side surface for sharpening.
  • a plurality of sharpening elements for sharpening razor blades are arranged side by side.
  • the sharpening elements are preferably formed tapering outwardly.
  • the razor blades of multi-bladed heads can be sharpened simultaneously in one operation.
  • Figure 1 is a perspective view of a sharpener according to the invention in connection with a razor having a two-blade head.
  • FIG. 2 shows a partial view of a further embodiment of a sharpener according to the invention
  • FIG. 3 shows a partial view of a further embodiment of a sharpener according to the invention
  • 4 shows a partial view of a further embodiment of a sharpener according to the invention
  • Figure 5 is a perspective view of a protective cap which can be placed on the end of a sharpener to protect the sharpening element.
  • Fig. 6 is a partial perspective view of another embodiment of a sharpener according to the invention.
  • Fig. 7 is a partial perspective view of another embodiment of a sharpener according to the invention.
  • a first embodiment of a sharpener according to the invention is shown together with a razor in an application position.
  • the sharpener generally designated 10, has a cylindrical holder 12 in which a ceramic rod 14 is exchangeably received.
  • the ceramic rod 14 is made of alumina ceramic and is in a cylindrical recess (not shown) of the holder 12 plugged.
  • the cylindrical ceramic rod 14 has at its outer end to an integrally formed sharpening element 16 which tapers from the cylindrical ceramic rod 14 to a rounding 18 out.
  • the rounding 18 has, for example, a rounding radius of 0.5 mm, while the cone is formed with a point angle of, for example, 40 °.
  • a conventional wet shaver 20 is shown with a handle portion 21, at the outer end of a razor head 22 is replaceably mounted.
  • the razor head 22 has two blades 24, 26, which are held in a known manner with a certain distance from each other running parallel in the razor head 22.
  • the sharpener 10 according to the invention is now held with one hand on the holder 12, while the other hand holds the razor 20 at its handle 21.
  • the sharpener 10 is now pulled in the direction of the arrow 28 from one end of a respective blade 24 and 26 to the other end to pull off the blade and sharpen it.
  • a protective cap 30 is shown, which can be placed on the outer end of the ceramic rod 14 to protect the rounding 18 against damage from the outside during transport.
  • Both the holder 12 and the protective cap 30 are preferably made of plastic.
  • a cylindrical ceramic rod 14a is shown, on the outer end face of a integrally connected thereto sharpening element 16a is formed.
  • the sharpening element 16a is tapered toward its rounding 18a.
  • the total length L of the sharpening element 16a is here, for example, about 10 mm, but can basically move in a range between 1 and 20 mm.
  • the rounding 18a has a radius R, which in principle can be between 0.1 and 2 mm and, for example, is 0.5 mm in the illustrated case.
  • the sharpening element 16 a has a cone tip angle ⁇ , which may for example be between 5 and 50 °, in the case shown here is about 20 °.
  • a further embodiment of a sharpener according to the invention is generally designated 10b.
  • the sharpening part 16b is designed here as a rectangular ceramic tile whose outer edge is provided with a rounding 18b.
  • a holder 12b which preferably again consists of plastic.
  • the sharpening part 16b is replaceable.
  • FIG. 4 A further variant of a sharpener according to the invention is shown in FIG. 4 and designated overall by 10c.
  • the sharpening member 16c is formed at the outer end of a cylindrical ceramic rod 14c.
  • the ceramic rod 14c is designed on both sides with planar side surfaces 34c running towards one another, which terminate in a common rounding 18c.
  • the ceramic rod 14c itself can be used as a holder or handle part.
  • a further embodiment of a sharpener according to the invention is denoted overall by 10d.
  • the point angle is preferably between 20 ° and 80 °, more preferably between 30 ° and 60 °.
  • the sharpening element 16d is bounded by two side surfaces 34d.
  • the razor blades 24, 26 of a multi-blade head are preferably withdrawn with one of the two side surfaces 34d.
  • the sharpening element 16d is, as previously described approximately with reference to FIG. 3, suitably received on a holder.
  • FIG. 7 a further variant of a sharpener according to the invention is denoted overall by 10e.
  • a plurality of sharpening elements 16e are arranged in the form of triangular tips at the end of a small plate, so that the overall result is a sawtooth-shaped course.
  • the side surfaces 34e of the sharpening elements 16e are used to pull razor blades on multi-blade heads, which can be removed in one operation.
  • the wafer is in turn suitably received on a holder (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

L'invention concerne un aiguiseur destiné à aiguiser des lames et en particulier des lames de rasoir (24, 26), qui présente un support (12) sur lequel un élément aiguiseur (16), par exemple en céramique, est logé, et qui présente un arrondi (18) débordant vers l'extérieur et dont le rayon est compris entre 0,1 et 2 mm. En variante, l'élément aiguiseur peut être configuré avec des arêtes et présenter au moins une surface latérale d'aiguisage.
PCT/EP2008/006425 2007-08-08 2008-08-05 Aiguiseur pour aiguiser des lames et en particulier des lames de rasoir WO2009018994A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08785351A EP2183078A1 (fr) 2007-08-08 2008-08-05 Aiguiseur pour aiguiser des lames et en particulier des lames de rasoir

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710038792 DE102007038792A1 (de) 2007-08-08 2007-08-08 Schärfer zum Schärfen von Klingen, insbesondere von Rasierklingen
DE102007038792.1 2007-08-08

Publications (1)

Publication Number Publication Date
WO2009018994A1 true WO2009018994A1 (fr) 2009-02-12

Family

ID=40029200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/006425 WO2009018994A1 (fr) 2007-08-08 2008-08-05 Aiguiseur pour aiguiser des lames et en particulier des lames de rasoir

Country Status (3)

Country Link
EP (1) EP2183078A1 (fr)
DE (2) DE102007038792A1 (fr)
WO (1) WO2009018994A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3037210A3 (fr) * 2014-12-18 2016-08-03 Benno Franciscus Schutmaat Dispositif d'aiguisage manuel de lames de rasoir

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422048A (en) * 1945-05-22 1947-06-10 John W Sharp Safety-razor blade sharpener
US3861087A (en) * 1972-03-08 1975-01-21 Fletcher Engineering Inc Tool sharpener
DE19654042A1 (de) * 1996-07-11 1998-01-15 Wolfgang Plankenhorn Vorrichtung zum Schärfen von Schneiden
DE202005001545U1 (de) * 2005-02-01 2005-04-07 Kurz Ernst S Schärfegerät für Ein- und Mehrklingen-Naßrasiersysteme
US20060194529A1 (en) * 2005-02-25 2006-08-31 Smith Richard S Retractable abrasive sharpener and carrying case

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH248563A (de) * 1945-01-03 1947-05-15 Scala Pietro Vorrichtung zum Abziehen von Rasierklingen.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422048A (en) * 1945-05-22 1947-06-10 John W Sharp Safety-razor blade sharpener
US3861087A (en) * 1972-03-08 1975-01-21 Fletcher Engineering Inc Tool sharpener
DE19654042A1 (de) * 1996-07-11 1998-01-15 Wolfgang Plankenhorn Vorrichtung zum Schärfen von Schneiden
DE202005001545U1 (de) * 2005-02-01 2005-04-07 Kurz Ernst S Schärfegerät für Ein- und Mehrklingen-Naßrasiersysteme
US20060194529A1 (en) * 2005-02-25 2006-08-31 Smith Richard S Retractable abrasive sharpener and carrying case

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3037210A3 (fr) * 2014-12-18 2016-08-03 Benno Franciscus Schutmaat Dispositif d'aiguisage manuel de lames de rasoir

Also Published As

Publication number Publication date
EP2183078A1 (fr) 2010-05-12
DE202008018186U1 (de) 2011-12-19
DE102007038792A1 (de) 2009-02-19

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