+

WO1998035794A1 - Rasoir - Google Patents

Rasoir Download PDF

Info

Publication number
WO1998035794A1
WO1998035794A1 PCT/IB1998/000115 IB9800115W WO9835794A1 WO 1998035794 A1 WO1998035794 A1 WO 1998035794A1 IB 9800115 W IB9800115 W IB 9800115W WO 9835794 A1 WO9835794 A1 WO 9835794A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaving
fields
cutting member
cutting
hair
Prior art date
Application number
PCT/IB1998/000115
Other languages
English (en)
Inventor
Simon Eme Kadijk
Eric Nicolaas Jacques Otto Quint
Hiddo Hindrik Hanenburg
Original Assignee
Koninklijke Philips Electronics N.V.
Philips Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26146141&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1998035794(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips Electronics N.V., Philips Ab filed Critical Koninklijke Philips Electronics N.V.
Priority to JP10529219A priority Critical patent/JP2000509628A/ja
Priority to EP98900638A priority patent/EP0925158B1/fr
Priority to DE69806221T priority patent/DE69806221T2/de
Priority to PCT/IB1998/000115 priority patent/WO1998035794A1/fr
Publication of WO1998035794A1 publication Critical patent/WO1998035794A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/384—Dry-shaver foils; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B26B19/145—Cutters being movable in the cutting head

Definitions

  • the invention relates to a shaving apparatus comprising at least two shaving heads, each having an external cutting member and an internal cutting member which is drivable relative said external cutting member, each external cutting member having shaving fields with hair-entry apertures of different types, including one type for cutting long hairs and one type for cutting short hairs.
  • Such a shaving apparatus is known from US-A-3,564,715 (PHN 2515).
  • the external cutting member has a plurality of comparatively small shaving fields with two different types of hair-entry apertures, i.e. slit-shaped hair-entry apertures and round hair-entry apertures.
  • the different fields in the cutting member are arranged in an alternating fashion.
  • the slit-shaped radially oriented hair-entry apertures also enable long hairs to be caught and cut off or trimmed satisfactorily.
  • the skin can penetrate deeper into the slit-shaped hair-entry apertures (bulge through) so that, in order to preclude irritation of the skin, a larger thickness of the external cutting member has been selected at this location.
  • the shaving fields with the round and small hair-entry apertures enable the hairs to be severed as closely as possible because at these locations the external cutting member has a smaller thickness than at the locations of the shaving fields with the slits.
  • the smaller hair-entry apertures ensure that no irritation of the skin occurs.
  • the thicker cutting-member portions with the slit-shaped hair-entry apertures provide a kind of coarse shave or pre-shave and the thinner portions provide a close or final shave.
  • the shaving apparatus in accordance with the invention is characterized in that the shaving fields of the same type of two adjacent external cutting members are directed towards one another. Viewed over the entire shaving field, which is formed by the overall area of all the external shaving fields, this gives the effect of a central shaving field with hair-entry apertures of the same type and outer shaving fields with hair-entry apertures of another type.
  • a preferred embodiment is characterized in that the shaving fields for cutting long hairs are remote from one another.
  • the shaving movements over the skin are such that hairs to be severed newly first come into contact with the shaving fields situated at the outside, viewed from the center of the overall shaving area. It is therefore favorable when in particular long hairs are caught and trimmed off at this location. Subsequently, the short hairs or hairs already trimmed are cut off as closely as possible in the shaving fields which are directed towards one another, i.e. form the afore-mentioned central shaving field.
  • the shaving fields for cutting long hairs can be directed towards one another. Short hairs are now severed in the afore-mentioned outer shaving fields. This has the advantage that in the case of bearded persons, who effect shaving along the beard edge, long hairs at the beard edge are not caught. In the example mentioned in the preceding paragraph this could be the case, which might result in a painful kind of hair tugging.
  • the hair-entry apertures for cutting long hairs are substantially radially oriented slits which extend up to the edge of the external cutting member, and those for cutting short hairs are small round or oval apertures, the thickness of the external cutting member at the location of the slits being greater than at the location of the small apertures.
  • the shaving apparatus is better suited for persons with a more sensitive skin.
  • all the hair-entry apertures of an external cutting member as substantially radially oriented slits, the slits of a shaving field of one type being wider than those of a shaving field of the other type.
  • the slits situated in outer shaving fields are wider than the slits situated in the central shaving field.
  • the greater width of the slits at the periphery allows the long hairs to be caught more easily.
  • the slits in the central field should have such a width that no irritation of the skin occurs.
  • a further embodiment is characterized in that the shaving heads are pi vo table in such a manner that the shaving surface defined by the surfaces of all the external cutting members can be adjusted to adopt a concave or a convex shape.
  • the shaving fields for cutting long hairs are directed towards one another and the shaving surface is set to an outwardly convex position the effect of the final shave is promoted, while in the case that in such a shaving apparatus the shaving surface is set to an inwardly concave position the pre-shave effect is enhanced.
  • a shaving surface of a rotary shaving apparatus concave or convex and the means for this are known per se, for example from WO-A-9602368 (PHN 14930), or US 4,318,223 (PHN 9600), or US 4,168,570 (PHN 8748).
  • Another embodiment is characterized in that the external cutting members are rotatable through 180°. This makes it possible to interchange the positions of the shaving fields for pre- shaving and final shaving.
  • the shaving apparatus in accordance with the invention thus has a number of different functions, which make it very suitable for persons having particular wishes as regards shaving (tailor-made). For example, persons with a sensitive skin can select a shaving position which minimizes irritation. Other persons having a less sensitive skin and wishing to minimize the shaving time can select another position.
  • Fig. 1 is a perspective view of a shaving apparatus having three shaving heads
  • Fig. 2 is a plan view of a triple-head shaving apparatus, in which the shaving fields with hair-entry apertures for cutting long hairs are remote from one another
  • Fig. 3 is a plan view similar to that in Fig. 2 but with hair-entry apertures for cutting long hairs being directed towards one another
  • Figs. 4, 5 and 6 show some other examples of patterns of hair-entry apertures in a triple-head shaving apparatus
  • Figs. 7 and 8 are side views of a triple-head shaving apparatus, in which the shaving-head surface has a convex shape and a concave shape, respectively,
  • Fig. 9 is a plan view of a two-head rotary shaving apparatus in accordance with the invention.
  • Fig. 10 is a plan view of a two-head vibratory shaving apparatus in accordance with the invention.
  • the rotary shaving apparatus shown in Fig. 1 has a housing 1 with a shaving-head holder 2 which is detachable from the housing or hingeable with respect to the housing.
  • a shaving-head holder 2 which is detachable from the housing or hingeable with respect to the housing.
  • three shaving heads 3, also referred to as cutting units, are mounted, which heads each comprise an external hair-cutting member 4 with hair-entry apertures 5 and an internal hair-cutting member 6 which is rotationally drivable with respect to said external cutting member.
  • the internal hair-cutting members are driven by a motor, not shown, in the housing of the shaving apparatus.
  • the external hair-cutting members 4 of the shaving heads 3 of the shaving-head holder 2 shown in Fig. 2 each have two shaving fields 7, 8 with different types of hair-entry apertures, i.e. one type with substantially radially oriented slits 9 and another type with small more or less round apertures 10.
  • the last-mentioned apertures are substantially reniform.
  • the two shaving fields are substantially equal in size.
  • the shaving fields 7 with the slits are mainly intended for cutting or trimming long hairs, while the shaving fields 8 with the small apertures are intended for cutting the hairs as closely as possible.
  • the slits are better capable of catching long hairs than the small apertures.
  • the shaving fields with the slits provide a kind of pre-shave effect and the shaving fields with the small apertures provide a close shave.
  • the shaving fields with the slits 9 of the three cutting members i.e. the fields for properly catching and trimming long hairs, are remote from one another, while the shaving fields 8 with the small apertures 10, i.e. for severing short hairs as closely as possible, are directed towards one another.
  • Fig. 3 the orientation of the shaving fields has been rotated through
  • a shaving apparatus with such an orientation of the shaving fields is better suitable for a person who wish to shave an area adjacent the beard edge.
  • the 180° rotation of the external cutting members 4 can be effected simply by the user by removing the cutting units 3 from the holder 2 and replacing them in the holder in a position rotated through 180°. Obviously, the cutting units should be locked against rotation.
  • Figs. 4-6 shows some other shapes of hair-entry apertures.
  • the slit-shaped apertures are shaped as tuning forks 11. These shaving heads are found to be more suitable for persons with heavy beards.
  • the hair-entry apertures for pre-shaving take the form of a double row of slits 12. Owing to the presence of an annular ridge 13 between the two rows of slits the external cutting member supports the skin more effectively at the location of the slits than in the case of the cutting member shown in Fig. 2.
  • the shaving fields for final shaving are approximately twice as large as the shaving fields for pre-shaving. This type is better suited for persons with a sensitive skin.
  • the final-shaving fields 8 are the same as shown in Fig. 2, i.e. with small apertures 10.
  • Fig. 6 all the hair-entry apertures, i.e. both those for long hairs and for short hairs, are shaped as slits.
  • the shaving fields 14 for long hairs have wide slits 16 and the shaving fields 15 for short hairs have narrow slits 17. In these examples it is obviously also possible to rotate the cutting members through 180°.
  • Figs. 7 and 8 illustrate the effect of making the total shaving surface concave and convex.
  • the total shaving surface may be defined as approximately the surface in which the individual shaving surfaces of the external cutting members extend. In these Figures the total shaving surface bears the reference numeral 18.
  • the cutting members are pivotable in the shaving heads in such a manner that the parts of the cutting members with the hair-entry apertures which are directed towards one another can be pushed up simultaneously, which results in a kind of outwardly convex shaving surface (Fig. 7). Conversely, the parts of the cutting members with the outer hair-entry apertures can be pushed up, which results in a kind of inwardly concave shaving surface (Fig. 8). This promotes or reduces a certain shaving effect.
  • Mechanisms for adjusting the cutting members are known per se.
  • Fig. 9 shows the invention applied to a two-head rotary shaving apparatus.
  • the shaving heads have two different types of shaving fields 19, 20 for pre- shaving and final shaving, fields of the same type being directed towards one another (20) and being remote from one another (19), respectively.
  • Fig. 10 shows another example of the invention applied to a two- head shaving apparatus of the vibratory type.
  • Shaving fields 21 with slit-shaped hair-entry apertures for catching long hairs are situated at the peripheries of the shear foils, i.e. remote from one another.
  • the shaving fields 22 with the small apertures for short hairs are situated in the central area.
  • the last-mentioned shaving fields are consequently directed towards one another.
  • the thickness of the shear foil 23 (external cutting member) at the location of the shaving field 21 with the slit-shaped hair-entry apertures is greater than the thickness at the location of the shaving field 22 with the small apertures.
  • the shaving fields 21 with the slit- shaped apertures can also be directed towards one another by replacing the shear foils or the shaving heads, either with or without the internal cutting members.
  • the two shear foils 23 adjustable, as described in US-A-5,459,927 (PHO 93.515).
  • the shear foils must be provided with three shaving fields, i.e. two of the same type and one of the other type interposed between them.
  • the external cutting members are preferably manufactured by means of an electrochemical machining process (ECM). Such a process is carried out in an electrolytic solution of high ionic strength.
  • ECM electrochemical machining process
  • the external cutting member to be processed then functions as the anode and the electrode of the ECM apparatus as the cathode.
  • the electrode functions as the shaping tool for the formation of the slits and other apertures.
  • the cutting member arranged as the anode dissolves at the locations where the slits and other apertures must be formed as metal hydride(s), hydrogen being produced on the electrode surface.
  • the difference in thickness of the cutting member can also be obtained by means of this electrochemical machining method by choosing the appropriate tools.
  • the invention can also be applied to, for example, a four-head shaving apparatus.
  • the 180° rotation of the cutting members can also be effected by means of some actuating mechanism.
  • many variants of hair-entry apertures are possible for catching and trimming long hairs and cutting short hairs.
  • the cutting member can be obtained not only by means of said electrochemical machining but also by means of a laser-machining process or an etching process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

La présente invention concerne un rasoir comprenant au moins deux têtes (3) de rasage, chacune d'elles étant munie d'un élément de rasage externe (4) et d'un élément de rasage interne (5) qui peut être déplacé par rapport à l'élément de rasage externe, chaque élément de rasage externe comprenant des champs de rasage (7, 8 - 19, 20 - 21, 22) munis d'ouvertures (9, 10) de différents types permettant l'entrée des poils, y compris un type d'ouvertures destinées à couper les poils longs (pré-rasage) et un type d'ouvertures destinées à couper les poils courts (rasage de près). Afin d'améliorer le résultat du rasage, les champs de rasage (7, 8 - 19, 20 - 21, 22) d'un même type de deux éléments de rasage externes (4) sont dirigés l'un vers l'autre. De préférence, les champs de rasage (7, 19, 21) pour poils courts sont situés dans une zone centrale du rasoir et les champs de rasage (8, 20, 22) pour poils longs sont disposés autour des champs de rasage pour poils courts précités ou au moins dans une zone située près de la périphérie du rasoir.
PCT/IB1998/000115 1997-02-17 1998-01-29 Rasoir WO1998035794A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP10529219A JP2000509628A (ja) 1997-02-17 1998-01-29 髭そり装置
EP98900638A EP0925158B1 (fr) 1997-02-17 1998-01-29 Rasoir
DE69806221T DE69806221T2 (de) 1997-02-17 1998-01-29 Rasierapparat
PCT/IB1998/000115 WO1998035794A1 (fr) 1997-02-17 1998-01-29 Rasoir

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97200432 1997-02-17
EP97200432.9 1997-02-17
PCT/IB1998/000115 WO1998035794A1 (fr) 1997-02-17 1998-01-29 Rasoir

Publications (1)

Publication Number Publication Date
WO1998035794A1 true WO1998035794A1 (fr) 1998-08-20

Family

ID=26146141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1998/000115 WO1998035794A1 (fr) 1997-02-17 1998-01-29 Rasoir

Country Status (2)

Country Link
EP (1) EP0925158B1 (fr)
WO (1) WO1998035794A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003059584A1 (fr) * 2002-01-16 2003-07-24 Koninklijke Philips Electronics N.V. Tete de rasage a dispositif de coupe rotatif et rasoir comprenant une telle tete de rasage
WO2007060646A1 (fr) * 2005-11-24 2007-05-31 Walls P J Ensemble lame de coupe et rasoir a sec pour hauteur de coupe variable
GB2448699A (en) * 2007-04-24 2008-10-29 Li Jun Dan Shaver for long and short hairs
US7930828B2 (en) 2004-12-22 2011-04-26 Koninklijke Philips Electronics N.V. Shaving apparatus
US8061040B2 (en) 2002-02-01 2011-11-22 Patrick Joseph Walls Cutter blade assembly and dry shaver for variable height of cut
EP2450159A1 (fr) 2010-11-08 2012-05-09 Izumi Products Company Rasoir électrique rotatif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003276639A1 (en) 2002-12-19 2004-07-14 Koninklijke Philips Electronics N.V. Shaving apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073070A (en) * 1965-10-01 1967-06-21 Shavair International Inc Shaver and method of shaving
US3564715A (en) * 1967-07-05 1971-02-23 Philips Corp Dry shaver shear plate
US3881373A (en) * 1974-03-13 1975-05-06 Matsushita Electric Works Ltd Method of making outer blade for electric shaver
EP0005871A1 (fr) * 1978-05-29 1979-12-12 Koninklijke Philips Electronics N.V. Appareil à raser
WO1997045235A1 (fr) * 1996-05-31 1997-12-04 Philips Electronics N.V. Rasoir

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073070A (en) * 1965-10-01 1967-06-21 Shavair International Inc Shaver and method of shaving
US3564715A (en) * 1967-07-05 1971-02-23 Philips Corp Dry shaver shear plate
US3881373A (en) * 1974-03-13 1975-05-06 Matsushita Electric Works Ltd Method of making outer blade for electric shaver
EP0005871A1 (fr) * 1978-05-29 1979-12-12 Koninklijke Philips Electronics N.V. Appareil à raser
WO1997045235A1 (fr) * 1996-05-31 1997-12-04 Philips Electronics N.V. Rasoir

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003059584A1 (fr) * 2002-01-16 2003-07-24 Koninklijke Philips Electronics N.V. Tete de rasage a dispositif de coupe rotatif et rasoir comprenant une telle tete de rasage
US8061040B2 (en) 2002-02-01 2011-11-22 Patrick Joseph Walls Cutter blade assembly and dry shaver for variable height of cut
US7930828B2 (en) 2004-12-22 2011-04-26 Koninklijke Philips Electronics N.V. Shaving apparatus
US8595939B2 (en) 2004-12-22 2013-12-03 Koninklijke Philips N.V. Shaving apparatus
US9061428B2 (en) 2004-12-22 2015-06-23 Koninklijke Philips N.V. Shaving apparatus
WO2007060646A1 (fr) * 2005-11-24 2007-05-31 Walls P J Ensemble lame de coupe et rasoir a sec pour hauteur de coupe variable
GB2448699A (en) * 2007-04-24 2008-10-29 Li Jun Dan Shaver for long and short hairs
EP2450159A1 (fr) 2010-11-08 2012-05-09 Izumi Products Company Rasoir électrique rotatif

Also Published As

Publication number Publication date
EP0925158A1 (fr) 1999-06-30
EP0925158B1 (fr) 2002-06-26

Similar Documents

Publication Publication Date Title
US20010039734A1 (en) Shaving apparatus
CN107635733B (zh) 固定刀片的制造方法和固定刀片
EP3300859B1 (fr) Tondeuse à barbe
EP3300860B1 (fr) Tondeuse a barbe
EP3300847B1 (fr) Tondeuse a barbe
EP2085195B1 (fr) Peigne effileur, rasoir effileur comprenant un peigne effileur et procédé de fabrication d'un peigne effileur
US8061040B2 (en) Cutter blade assembly and dry shaver for variable height of cut
EP3300858B1 (fr) Tondeuse à barbe
EP3300857A1 (fr) Trimmer en soie
CA2240565A1 (fr) Rasoir electrique
EP0925158B1 (fr) Rasoir
US5901446A (en) Long hair cutting and beard lifting foil construction
CN1194605A (zh) 剃须装置
CN217434384U (zh) 一种旋转式电动剃须刀刀网、刀网组件及剃须刀
CN215511149U (zh) 刀网及电动剃须刀
CN2292645Y (zh) 梳丝网电剃刀
JPS5977883A (ja) 電気かみそりの外刃
US7191522B2 (en) Cutting blade and cutting blade assembly for electric shaver
US20060080845A1 (en) Cutter assembly for electric shaver and process for making the same
JPH04114690A (ja) 回転式電気カミソリ
JPS5854062Y2 (ja) 電気カミソリ
JPS609114B2 (ja) 電気カミソリの外刃体の製造方法
JPH01227788A (ja) 電気かみそりの外刃
JPS5836382Y2 (ja) 回転式電動かみそりの外刃
JPH08112462A (ja) 往復式電気かみそりの外刃

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 98800147.0

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): CN JP

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

WWE Wipo information: entry into national phase

Ref document number: 1998900638

Country of ref document: EP

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWP Wipo information: published in national office

Ref document number: 1998900638

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1998900638

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1998900638

Country of ref document: EP

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载