EP0559129B1 - Tête de rasage pour rasoir mécanique - Google Patents
Tête de rasage pour rasoir mécanique Download PDFInfo
- Publication number
- EP0559129B1 EP0559129B1 EP93103279A EP93103279A EP0559129B1 EP 0559129 B1 EP0559129 B1 EP 0559129B1 EP 93103279 A EP93103279 A EP 93103279A EP 93103279 A EP93103279 A EP 93103279A EP 0559129 B1 EP0559129 B1 EP 0559129B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- razor
- razor blade
- blade unit
- plastic body
- spacer
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/4006—Blades or blade units with discontinuous cutting edges, e.g. wire-wrapped, notches
Definitions
- the invention relates to a razor head, in particular a razor blade unit, which is arranged at the front end of a handle, wherein the razor blade unit is designed as a single or double razor blade and is fixed in a plastic body and in the region of the top of the razor head, which has a surface for attacking the skin of the user forms, protective wires extend at a distance from one another and parallel to the shaving direction over the cutting edges of the razor blade unit.
- a razor head which carries the single or double razor blade, is arranged at the front end of a handle.
- the razor head can be integrally formed with the handle in the form of a molded plastic part. If the razor head is designed separately from the handle and can be exchangeably attached to it by means of a corresponding mechanism, one speaks of a so-called razor blade unit, in which a single or double razor blade is embedded in a plastic housing so that it cannot be detached.
- a razor head in the form of such a razor blade unit is disclosed in EP 0 389 007.
- a wire with a number of adjacent turns is wound around the plastic body in which the double razor blade is embedded.
- the individual turns extend at a distance from one another and parallel to the shaving direction, while the turns extend on the underside of the plastic body at an angle thereto.
- This characteristic winding protective wire improves the shaving characteristics.
- the wire prevents, for example, the formation of wrinkles or swellings on the skin, so that injuries to the skin can also be prevented in areas which are not perceptible to the eye.
- the wire reduces the actual shaving resistance because it reduces the frictional forces.
- the protective wire still prevents the user from accidentally cutting himself if he improperly handles the razor blade unit.
- the wires also extend into the area of the razor blade unit, namely the area in which the razor blade unit must be attached with the handle. Accordingly, the turns of the wire and the fastening mechanism interfere with each other. In addition, there is a risk with the wire windings of this known razor blade unit that the wire can move to the side. In addition, the wire wrapping of the blade units is cumbersome and does not lead to rapid mass production.
- WO-A-8909121 discloses a generic razor head with a plastic body with a top that forms a surface for engaging the skin of the user, and a front, a back and a double razor blade unit arranged in the plastic body. A series of wires are arranged along the length of the blade unit, in such a way that their ends are attached to the front and the back of the plastic body.
- WO-A-8909121 discloses to arrange so-called "strands" along the length of the razor blade unit parallel to the shaving direction and to attach them to the plastic body. This is because it is to be avoided to fix the wires directly to the blades in any way, for example by wrapping them around.
- the object of the invention is to create a razor head, in particular a razor blade unit of a wet razor of the aforementioned type, which provides an improved embodiment of the protective wires.
- the wires are designed as a grid or mesh that is attached to the blade unit.
- the shaver head of the present invention is thus primarily characterized in that the protective wires are attached to the blade unit in a manner that does not involve the laborious process of having to wind a single wire around the blade unit several times.
- a razor head, and in particular a razor blade unit, which is designed according to the teaching of the present invention has the advantage that the underside of the plastic body remains free, so that the handle can be attached to the underside of the razor head without difficulty. Accordingly, all possible fastening systems can be implemented, in particular in the case of razor blade units. In addition, an alignment of the attached wires according to the invention prevents a lateral displacement of these wires.
- the protective wires are designed as grids or nets, which consist of metal or another suitable hard material, which can preferably be wound in one piece around the blade unit in order to achieve the same mode of operation as a single wire wire.
- the razor head has a rear cap and a front protective strip, which is preferably provided with a stepped, longitudinal profile
- the protective wires in the area of the protective strip and the covering cap are guided under these components and covered by them. Accordingly, the protective wires extend between the protective strip or the cover cap and the actual plastic body with its blade support unit.
- the function of the front protective strip in particular with its stepped, longitudinally extending profile, has not been impaired by the wire areas which reduce friction, since the front protective strip is required in particular to pretension the skin. The same is applicable to the function of the cover cap, which is not adversely affected by the protective wires extending thereon.
- the protective strip and the cover cap are connected to one another via side walls, while a central opening remains in the region of the cutting edge or edges of the razor blade unit.
- This upper part of the plastic body designed in this way is on the base part of the plastic body with its razor blade unit containing the protective wires, which is attached to a carrying unit of the base part is fixed, attached and then securely connected to this base part.
- the single or in particular the double razor blade is fixed in the support unit of the base part, it is only necessary to place the upper part onto the base part essentially from above and to securely connect it to the base part. This can be accomplished, for example, by meshing or by any other suitable way.
- the use of wires is crucial. It is also crucial that the space between the wires and the thickness of the wires is not too large and not too small, because if the distance and the thickness are too large, the desired safety and comfort cannot be achieved and one too short distance and too thick the desired shortness of shaving cannot be achieved.
- a razor head in the form of a so-called razor blade unit for a wet or safety razor which can be attached to the front end of a handle, not shown, consists of a plastic body 1, in which two razor blades 2 are arranged, the cutting edges 3 of which run parallel and offset one behind the other.
- the plastic body 1 consists of a base part 4 with the razor blades 2 and an upper part 5 placed on this base part 4.
- the base part 4 of the plastic body 1 initially has feed-through slots 6 in the interior.
- the base part 4 defines a platform or carrying unit 7 for the razor blades 2.
- a spacer 8 is sandwiched between the two razor blades 2, the two razor blades 2 being firmly connected to this spacer 8.
- These components thus form a razor blade / spacer / razor blade unit 9, which is applied to the carrying unit from above 7 of the base part 4 is placed.
- the spacer 8 comprises projections 17 which extend from the rear and the two ends of the spacer 8 and which are accommodated in indentations or slots 10 in the sides of the base part 4.
- the unit 9 is covered with a grid 26 which includes wires 11 which extend across the blades.
- the lower region of the front side 13 of the base part 4 is provided with downward-looking, one-piece projections 14, which are designed as elongated strips.
- the spacing of the projections 14, viewed in the direction of the cutting edges 3 of the razor blades 2 is essentially equal to the spacing of the wires 11 of the grid 26.
- the grid 26 can also be completely wrapped around the unit 9 and attached to its own ends.
- the grid 26 can be fastened to the unit 9 by means of the projections 17 of the spacer 8. These projections 17 can be arranged on the rear edge and each end of the spacer 8.
- the upper part 5 is a one-piece plastic component and initially has a front protective strip 18. This extends parallel to the cutting edges 3 of the razor blades 2 and has a step-like, longitudinally extending profile 19.
- a cover cap 20 is provided in the rear area.
- This has a sliding strip 21 on the upper side.
- This slide strip 21 is convexly curved and initially has a first slide strip leg 22 and a second slide strip leg 22 ′, which is angled at an acute angle thereto, and which are connected to one another by an arc 23.
- the angle between the sliding strip legs 22, 22 ' can also be rectangular or obtuse.
- the two sliding strip legs 22, 22 ' are included essentially flat or slightly convex. The production of such a sliding strip 21 is possible by means of a special hot molding process.
- this sliding strip 21 is also more effective at the end of the razor blade unit. Because the skin is stretched and pressed in during shaving, swelling develops at the end of the razor blade unit. The sliding strip 21 shaped in the radius slides better in this area and thus increases the gentle shave.
- the front protective strip 18 and the rear cover cap 20 are connected to one another via side walls 24.
- An opening 25 is arranged between these components in the region of the cutting edges 3 of the razor blades 2, as can be seen particularly from the top view in FIG. 1.
- the wires 11 are arranged at a preferred distance from one another and have a preferred thickness so that the goals of comfort, safety and brevity can be achieved.
- the preferred distance is at least 2 mm and the preferred thickness is at least 0.1 mm.
- appropriate distances of 3 mm and thicknesses of 0.15 mm are preferred.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Claims (5)
- Tête de rasage pour rasoir mécanique, comprenant un corps en matière plastique (1) avec une face supérieure (12) constituant une face d'attaque de la peau de l'utilisateur, ainsi qu'une face avant (13), une face arrière (16) et un ensemble de lames de rasage (2) disposé dans le corps en matière plastique (1), une série de fils métalliques (11) étant disposée, distribuée sur la longueur de l'ensemble de lame, caractérisée en ce que les fils métalliques (11) sont réalisés sous forme de grille ou de réseau (26), fixé à l'ensemble de lames.
- Tête de rasage pour rasoir mécanique selon la revendication 1, caractérisée en ce que la grille (26) est reliée, au moyen de saillies réalisées sur l'élément d'espacement (8), à l'ensemble lame de rasage/élément d'espacement/lame de rasage (9).
- Tête de rasage pour rasoir mécanique selon la revendication 1 ou 2, caractérisée en ce que les fils (11) sont disposés avec un espacement mutuel d'au moins 2 mm et ont une épaisseur d'au moins 0,1 mm.
- Tête de rasage pour rasoir mécanique selon l'une des revendications 1 à 3, caractérisée en ce que les fils métalliques (11) sont disposés avec un espacement mutuel d'au moins 3 mm et ont une épaisseur d'au moins 0,15 mm.
- Tête de rasage pour rasoir mécanique selon l'une des revendications 1 à 4, caractérisée en ce que l'ensemble de lames de rasage comprend deux lames de rasage (2), fixées sur des faces opposées d'un élément d'espacement (8) disposé entre celles-ci et constituant un ensemble lame de rasage/éléments d'espacement/lame de rasage (9).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9204825 | 1992-03-06 | ||
GB9204825A GB2265327B (en) | 1992-03-06 | 1992-03-06 | Razor head of a wet razor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0559129A1 EP0559129A1 (fr) | 1993-09-08 |
EP0559129B1 true EP0559129B1 (fr) | 1996-06-12 |
Family
ID=10711580
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93103280A Expired - Lifetime EP0559130B1 (fr) | 1992-03-06 | 1993-03-02 | Tête de rasage pour rasoir mécanique |
EP93103279A Expired - Lifetime EP0559129B1 (fr) | 1992-03-06 | 1993-03-02 | Tête de rasage pour rasoir mécanique |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93103280A Expired - Lifetime EP0559130B1 (fr) | 1992-03-06 | 1993-03-02 | Tête de rasage pour rasoir mécanique |
Country Status (5)
Country | Link |
---|---|
US (1) | US5447084A (fr) |
EP (2) | EP0559130B1 (fr) |
DE (3) | DE9210043U1 (fr) |
ES (2) | ES2088177T3 (fr) |
GB (2) | GB2265327B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2265328B (en) * | 1992-03-13 | 1995-05-10 | Wilkinson Sword Gmbh | Razor head of a wet razor |
US5630275A (en) * | 1994-08-23 | 1997-05-20 | Warner-Lambert Company | Multi-blade razor head with improved performance |
US5456009A (en) * | 1994-08-23 | 1995-10-10 | Warner-Lambert Company | Multi-blade razor head with improved performance |
IL116870A0 (en) * | 1995-03-31 | 1996-07-23 | Warner Lambert Co | Razor head |
WO2000012273A2 (fr) | 1998-08-31 | 2000-03-09 | Koninklijke Philips Electronics N.V. | Rasoir humide induisant la retraction du poil |
US6550141B1 (en) * | 2000-07-28 | 2003-04-22 | Warner-Lambert Company | Razor heads with intermediate guard elements |
GB2370010A (en) * | 2000-12-13 | 2002-06-19 | Andy J M Craig | Beard styler |
US20020095791A1 (en) * | 2001-01-23 | 2002-07-25 | Pennella Andrew J. | Razor blade cartridge having guard ribs and methods therefor |
US20180333879A1 (en) * | 2017-05-19 | 2018-11-22 | Blake Squires | Spacer for razor blade with vibration |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1846622A (en) * | 1930-11-15 | 1932-02-23 | Gillette Safety Razor Co | Safety blade |
US3505734A (en) * | 1968-02-28 | 1970-04-14 | Philip Morris Inc | Cutting blade with self-contained guard |
US3750285A (en) * | 1970-07-06 | 1973-08-07 | G Michelson | Guarded razor edge apparatus |
ES161678Y (es) * | 1970-09-08 | 1971-06-16 | Antunez Coll | Hoja de afeitar. |
GB1542299A (en) * | 1976-03-23 | 1979-03-14 | Warner Lambert Co | Blade shields |
US4094066A (en) * | 1977-03-08 | 1978-06-13 | Daniel Jr Donald S | Surgical razor blade with integral guard |
US4211006A (en) * | 1979-01-02 | 1980-07-08 | Warner-Lambert Company | Guarded razor blade |
EP0273992B1 (fr) * | 1987-01-03 | 1990-12-05 | Wilkinson Sword Gesellschaft mit beschränkter Haftung | Rasoir mécanique |
DE8711506U1 (fr) * | 1987-08-25 | 1987-10-08 | Wilkinson Sword Gmbh, 5650 Solingen, De | |
GB8806813D0 (en) * | 1988-03-22 | 1988-04-20 | Fenn D J | Shaving device |
US4914817A (en) * | 1988-07-01 | 1990-04-10 | The Gillette Company | Razor head with riblets |
DE9004762U1 (fr) * | 1990-04-27 | 1991-08-29 | Wilkinson Sword Gmbh, 5650 Solingen, De | |
DE9004761U1 (fr) * | 1990-04-27 | 1991-08-29 | Wilkinson Sword Gmbh, 5650 Solingen, De | |
DE9004760U1 (fr) * | 1990-04-27 | 1991-08-29 | Wilkinson Sword Gmbh, 5650 Solingen, De | |
GB2265328B (en) * | 1992-03-13 | 1995-05-10 | Wilkinson Sword Gmbh | Razor head of a wet razor |
-
1992
- 1992-03-06 GB GB9204825A patent/GB2265327B/en not_active Expired - Lifetime
- 1992-03-06 GB GB9510425A patent/GB2288760B/en not_active Expired - Lifetime
- 1992-07-25 DE DE9210043U patent/DE9210043U1/de not_active Expired - Lifetime
-
1993
- 1993-03-02 DE DE59302859T patent/DE59302859D1/de not_active Expired - Lifetime
- 1993-03-02 ES ES93103280T patent/ES2088177T3/es not_active Expired - Lifetime
- 1993-03-02 EP EP93103280A patent/EP0559130B1/fr not_active Expired - Lifetime
- 1993-03-02 EP EP93103279A patent/EP0559129B1/fr not_active Expired - Lifetime
- 1993-03-02 DE DE59302860T patent/DE59302860D1/de not_active Expired - Lifetime
- 1993-03-02 ES ES93103279T patent/ES2088176T3/es not_active Expired - Lifetime
- 1993-03-05 US US08/027,123 patent/US5447084A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0559129A1 (fr) | 1993-09-08 |
DE9210043U1 (fr) | 1992-10-01 |
DE59302860D1 (de) | 1996-07-18 |
ES2088176T3 (es) | 1996-08-01 |
GB9204825D0 (en) | 1992-04-22 |
ES2088177T3 (es) | 1996-08-01 |
DE59302859D1 (de) | 1996-07-18 |
US5447084A (en) | 1995-09-05 |
GB2265327B (en) | 1996-01-03 |
GB9510425D0 (en) | 1995-07-19 |
GB2288760B (en) | 1996-01-03 |
EP0559130B1 (fr) | 1996-06-12 |
GB2265327A (en) | 1993-09-29 |
EP0559130A1 (fr) | 1993-09-08 |
GB2288760A (en) | 1995-11-01 |
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