JP3213693B2 - Edge structure of three blade razor - Google Patents
Edge structure of three blade razorInfo
- Publication number
- JP3213693B2 JP3213693B2 JP12579496A JP12579496A JP3213693B2 JP 3213693 B2 JP3213693 B2 JP 3213693B2 JP 12579496 A JP12579496 A JP 12579496A JP 12579496 A JP12579496 A JP 12579496A JP 3213693 B2 JP3213693 B2 JP 3213693B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- thickness
- cutting edge
- distance
- edge
- 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
Landscapes
- Dry Shavers And Clippers (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、三枚刃剃刀の各
刃体において、その刃先部の厚さの改良に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in the thickness of a blade edge of a three-blade razor.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】ホルダ
の上端部に剃刀ヘッドを支持したいわゆるＴ型剃刀とし
ては、一枚刃のものや二枚刃のものや三枚刃のものなど
が知られている。これらのＴ型剃刀において、刃体の刃
先部厚さを硬いひげ（倒れにくいひげ）や柔らかいひげ
（倒れ易いひげ）に応じたものに設定することは、切れ
味を向上させる上で必要である。そこで、特に、感触の
柔らかさに優れた三枚刃剃刀に着目し、その使用時、ひ
げの硬さや柔らかさに応じて切れ味をより一層向上させ
ることを目的にして改良を加えた。2. Description of the Related Art As a so-called T-shaped razor in which a razor head is supported on the upper end of a holder, there are known a single blade type, a double blade type and a three blade type. Have been. In these T-shaped razors, it is necessary to set the blade tip thickness of the blade to a value corresponding to a hard beard (a beard that is hard to fall) or a soft beard (a beard that is easy to fall) in order to improve sharpness. In view of this, the inventors focused on a three-blade razor that was excellent in the softness of the touch, and made improvements for the purpose of further improving the sharpness according to the hardness and softness of the beard during use.
【０００３】[0003]
【課題を解決するための手段】後記各実施形態の図面の
符号を援用して本発明を説明する。第一発明（図１参
照）及び第二発明（図２参照）にかかる三枚刃剃刀は、
下記の共通構成を有している。The present invention will be described with reference to the reference numerals in the drawings of each embodiment described later. The three-blade razor according to the first invention (see FIG. 1) and the second invention (see FIG. 2)
It has the following common configuration.
【０００４】刃台（２）と天板（３）との間で下刃体
（４）と中刃体（５）と上刃体（６）とを挟着し、刃台
（２）の前側にあるガイド部（１０）と天板（３）の前
側にある挟持部（１３）との間で各刃体（４，５，６）
の刃先部（１４，１５，１６）を並設している。A lower blade body (4), a middle blade body (5) and an upper blade body (6) are sandwiched between a blade base (2) and a top plate (3), and the blade base (2) is Each blade body (4, 5, 6) is provided between the guide section (10) on the front side and the holding section (13) on the front side of the top plate (3).
The cutting edge portions (14, 15, 16) are arranged side by side.
【０００５】前記下刃体（４）の刃先部（１４）でその
厚さを（Ａ）とし、前記中刃体（５）の刃先部（１５）
でその厚さを（Ｂ）とし、前記下刃体（６）の刃先部
（１６）でその厚さを（Ｃ）とする。The thickness of the cutting edge (14) of the lower blade (4) is (A), and the cutting edge (15) of the middle blade (5).
And its thickness is (B), and its thickness at the cutting edge (16) of the lower blade body (6) is (C).
【０００６】特に、第一発明では、前記下刃体厚さ
（Ａ）を前記中刃体厚さ（Ｂ）及び上刃体厚さ（Ｃ）よ
りも大きくし、前記各刃体（４，５，６）の刃先部（１
４，１５，１６）の刃先角度を、互いにほぼ等しく設定
し、更に、前記各刃先部（１４，１５，１６）の尖端縁
（１４ａ，１５ａ，１６ａ）を、刃台（２）のガイド部
（１０）上の接点（Ｐ 10 ）と天板（３）の挟持部（１
３）上の接点（Ｐ 13 ）とを結ぶひげ剃り接線面（Ｐ）の
付近に位置させ、同ひげ剃り接線面（Ｐ）に対する下刃
体尖端縁（１４ａ）の突出距離と中刃体尖端縁（１５
ａ）の突出距離と上刃体尖端縁（１６ａ）の突出距離と
の関係を、下刃体突出距離＞中刃体突出距離＞上刃体突
出距離としている。また、第二発明では、前記下刃体厚
さ（Ａ）を前記中刃体厚さ（Ｂ）及び上刃体厚さ（Ｃ）
よりも小さくし、前記各刃体（４，５，６）の刃先部
（１４，１５，１６）の刃先角度を、互いにほぼ等しく
設定し、更に、前記各刃先部（１４，１５，１６）の尖
端縁（１４ａ，１５ａ，１６ａ）を、刃台（２）のガイ
ド部（１０）上の接点（Ｐ 10 ）と天板（３）の挟持部
（１３）上の接点（Ｐ 13 ）とを結ぶひげ剃り接線面
（Ｐ）の付近に位置させ、同ひげ剃り接線面（Ｐ）に対
する下刃体尖端縁（１４ａ）の突出距離と中刃体尖端縁
（１５ａ）の突出距離と上刃体尖端縁（１６ａ）の突出
距離との関係を、下刃体突出距離＞中刃体突出距離＞上
刃体突出距離としている。Particularly, in the first invention, the thickness of the lower blade (A) is made larger than the thickness of the middle blade (B) and the thickness of the upper blade (C) , and 5, 6) cutting edge (1)
4,15,16) are set almost equal to each other
And the sharp edges of the respective cutting edge portions (14, 15, 16).
(14a, 15a, 16a) to guide part of blade base (2)
(10) The contact point (P 10 ) on the top and the holding part (1) between the top plate (3)
3) The shaving tangent surface (P) connecting the upper contact point (P 13 )
The lower blade for the shave tangent surface (P)
The projecting distance of the body tip (14a) and the middle blade tip (15
a) and the protruding distance of the upper blade tip (16a)
The relation of lower blade body projection distance> middle blade body projection distance> upper blade body projection
Outgoing distance. In the second invention, the lower blade thickness (A) is changed to the middle blade thickness (B) and the upper blade thickness (C).
And the cutting edge of each of the blades (4, 5, 6)
(14,15,16) make the edge angle almost equal to each other
And further, the sharpness of each of the cutting edges (14, 15, 16)
Connect the edges (14a, 15a, 16a) to the guide of the blade base (2).
Between the contact point (P 10 ) on the door part ( 10 ) and the top plate (3)
(13) Shaving tangent surface connecting the upper contact point (P 13 )
(P) near the shave tangent surface (P)
Of the lower blade tip (14a) and the middle blade tip
Projection distance of (15a) and projection of the tip of the upper blade body (16a)
The relationship with the distance is as follows: Lower blade projecting distance> Middle blade projecting distance> Upper
It is the blade projecting distance .
【０００７】[0007]
〔第一実施形態〕まず、本発明の第一実施形態にかかる
三枚刃剃刀を図１を参照して説明する。[First Embodiment] First, a three blade razor according to a first embodiment of the present invention will be described with reference to FIG.
【０００８】（三枚刃剃刀の概略構造について）この剃
刀においては、図示しないホルダの上端部に剃刀ヘッド
１が着脱可能に支持される。この剃刀ヘッド１は、刃台
２と天板３と下刃体４と中刃体５と上刃体６と下スペー
サ７と上スペーサ８とからなる。(Schematic structure of three-blade razor) In this razor, a razor head 1 is detachably supported on an upper end of a holder (not shown). The razor head 1 includes a blade base 2, a top plate 3, a lower blade 4, a middle blade 5, an upper blade 6, a lower spacer 7, and an upper spacer 8.
【０００９】刃台２においては、載置台部９の前側にガ
イド部１０がひげかす排除孔１１を介して形成されてい
る。天板３においては、その下側にかしめピン１２が突
設され、このかしめピン１２よりも前側で挟持部１３が
形成されている。In the blade base 2, a guide portion 10 is formed at the front side of the mounting base portion 9 through a shaving exclusion hole 11. The top plate 3 is provided with a caulking pin 12 projecting below it, and a holding portion 13 is formed in front of the caulking pin 12.
【００１０】前記刃台２の載置台部９上に下刃体４と下
スペーサ７と中刃体５と上スペーサ８と上刃体６とが順
次載せられて重合され、それらに天板３のかしめピン１
２が挿着されて各刃体４，５，６及び各スペーサ７，８
が載置台部９と天板３との間で挟着されている。A lower blade 4, a lower spacer 7, a middle blade 5, an upper spacer 8, and an upper blade 6 are sequentially placed on a mounting table 9 of the blade base 2 and superimposed thereon. Nothing pin 1
2 are inserted, and each blade body 4, 5, 6 and each spacer 7, 8
Are sandwiched between the mounting table 9 and the top plate 3.
【００１１】各刃体４，５，６の刃先部１４，１５，１
６は、各スペーサ７，８により所定間隔を持たせて、刃
台２のガイド部１０と天板３の挟持部１３との間で並設
されている。各刃体４，５，６は平板状をなし、その刃
先部１４，１５，１６に尖端縁１４ａ，１５ａ，１６ａ
が直線状に形成されて互いに平行に延設されている。各
刃先部１４，１５，１６の尖端縁１４ａ，１５ａ，１６
ａは、刃台２のガイド部１０上の接点Ｐ10と天板３の挟
持部１３上の接点Ｐ13とを結ぶひげ剃り接線面Ｐの付近
に位置している。このひげ剃り接線面Ｐに対する下刃体
尖端縁１４ａの突出距離と中刃体尖端縁１５ａの突出距
離と上刃体尖端縁１６ａの突出距離とを比較すると、下
刃体突出距離＞中刃体突出距離＞上刃体突出距離の関係
になっている。The cutting edges 14, 15, 1 of the blades 4, 5, 6
Numerals 6 are juxtaposed between the guide portion 10 of the blade base 2 and the holding portion 13 of the top plate 3 at a predetermined interval by the spacers 7 and 8. Each of the blades 4, 5, and 6 has a flat plate shape, and its cutting edges 14, 15, 16 have sharp edges 14a, 15a, 16a.
Are formed linearly and extend in parallel with each other. Sharp edges 14a, 15a, 16 of the respective cutting edges 14, 15, 16
a is located close to the shaving tangential plane P connecting the contacts P 13 on clamping portion 13 of the contact point P 10 and the top plate 3 on the guide portion 10 of the blade base 2. Comparing the protruding distance of the lower blade tip 14a with respect to the shaving tangent plane P, the protruding distance of the middle blade tip 15a, and the protruding distance of the upper blade tip 16a, the lower blade protruding distance> the middle blade Projection distance> Upper blade projection distance.
【００１２】また、互いに平行に延びる各刃体４，５，
６の載置平面Ｈ4 ，Ｈ5 ，Ｈ6 に対し垂直で且つ前記ガ
イド部１０上の接点Ｐ10、挟持部１３上の接点Ｐ13及び
各尖端縁１４ａ，１５ａ，１６ａを通る鉛直平面Ｖ10，
Ｖ13，Ｖ14，Ｖ15，Ｖ16を想定する。そして、各尖端縁
１４ａ，１５ａ，１６ａ上の鉛直平面Ｖ14，Ｖ15，Ｖ 16
は両接点Ｐ10，Ｐ13上の鉛直平面Ｖ10，Ｖ13間に位置
し、接点Ｐ10上の鉛直平面Ｖ10に対する各尖端縁１４
ａ，１５ａ，１６ａ上の鉛直平面Ｖ14，Ｖ15，Ｖ16及び
接点Ｐ13上の鉛直平面Ｖ13の距離をそれぞれＬ14，
Ｌ15，Ｌ16，Ｌ13とした場合、Ｌ14＜Ｌ15＜Ｌ16＜Ｌ13
の関係を有している。Each of the blades 4, 5 extending in parallel to each other
6 mounting plane HFour, HFive, H6Perpendicular to the
Contact P on the guide part 10Ten, Contact point P on holding portion 1313as well as
A vertical plane V passing through each pointed edge 14a, 15a, 16aTen,
V13, V14, VFifteen, V16Is assumed. And each pointed edge
Vertical plane V on 14a, 15a, 16a14, VFifteen, V 16
Is both contact points PTen, P13Vertical plane V onTen, V13Position between
Contact PTenVertical plane V onTenEach point 14 against
Vertical plane V on a, 15a, 16a14, VFifteen, V16as well as
Contact P13Vertical plane V on13Distance of L14,
LFifteen, L16, L13, L14<LFifteen<L16<L13
Have a relationship.
【００１３】（刃先構造の詳細について）前記下刃体４
の刃先部１４でその厚さ（刃先部１４の上下面間最大距
離）をＡとし、前記中刃体５の刃先部１５でその厚さ
（刃先部１５の上下面間最大距離）をＢとし、前記下刃
体６の刃先部１６でその厚さ（刃先部１６の上下面間最
大距離）をＣとする。(Details of blade edge structure) The lower blade body 4
The thickness (the maximum distance between the upper and lower surfaces of the blade edge portion 14) of the blade edge portion 14 is A, and the thickness (the maximum distance between the upper and lower surfaces of the blade edge portion 15) of the blade edge portion 15 of the intermediate blade body 5 is B. The thickness (the maximum distance between the upper and lower surfaces of the blade edge 16) of the blade edge 16 of the lower blade body 6 is C.
【００１４】前記下刃体厚さＡは前記中刃体厚さＢ及び
上刃体厚さＣよりも大きくなっている。すなわち、下記
1)または2)の関係を有している。 1) 下刃体厚さＡ＞中刃体厚さＢ＞上刃体厚さＣ 2) 下刃体厚さＡ＞中刃体厚さＢ＝上刃体厚さＣ ちなみに、下刃体厚さＡは０．１２ｍｍ±０．０１ｍｍ
（０．１３ｍｍ〜０．１１ｍｍ）に、中刃体厚さＢは
０．１０ｍｍ±０．０１ｍｍ（０．１１ｍｍ〜０．０９
ｍｍ）に、上刃体厚さＣは０．０８ｍｍ±０．０１ｍｍ
（０．０９ｍｍ〜０．０７ｍｍ）になっている。なお、
下刃体４の刃先部１４の刃先角度と中刃体５の刃先部１
５の刃先角度と上刃体６の刃先部１６の刃先角度とは、
互いにほぼ等しく設定され、１８°〜２６°になってい
る。The lower blade thickness A is greater than the middle blade thickness B and the upper blade thickness C. That is,
1) or 2). 1) Lower blade thickness A> Middle blade thickness B> Upper blade thickness C 2) Lower blade thickness A> Middle blade thickness B = Upper blade thickness C Incidentally, lower blade thickness A is 0.12mm ± 0.01mm
(0.13 mm to 0.11 mm), the middle blade thickness B is 0.10 mm ± 0.01 mm (0.11 mm to 0.09 mm).
mm), the upper blade thickness C is 0.08 mm ± 0.01 mm
(0.09 mm to 0.07 mm). In addition,
The cutting edge angle of the cutting edge 14 of the lower blade 4 and the cutting edge 1 of the middle blade 5
5 and the blade angle of the blade portion 16 of the upper blade body 6 are:
They are set substantially equal to each other, and are set to 18 ° to 26 °.
【００１５】第一実施形態は下記（イ）の特徴を有す
る。 （イ） 顔面に剃刀ヘッド１を当てがってひげを剃る
時、剃刀ヘッド１を上から下へ移動させると、まず下刃
体４の尖端縁１４ａによりひげが切断される。次に、中
刃体５の尖端縁１５ａによりひげが切断される。最後
に、上刃体６の尖端縁１６ａによりひげが切断される。
その場合、前記下刃体厚さＡは前記中刃体厚さＢ及び上
刃体厚さＣよりも大きくなっているので、最も厚さＡの
大きい下刃体４により最初にひげを剃ることができる。The first embodiment has the following feature (a). (A) When the razor head 1 is moved from top to bottom when the razor head 1 is applied to the face to shave, the beard is first cut by the pointed edge 14 a of the lower blade 4. Next, the beard is cut by the pointed edge 15a of the middle blade body 5. Finally, the beard is cut by the sharp edge 16a of the upper blade body 6.
In this case, since the lower blade body thickness A is larger than the middle blade body thickness B and the upper blade body thickness C, shave first with the lower blade body 4 having the largest thickness A. Can be.
【００１６】この厚さＡが大きいと、最初にひげを剃る
下刃体４の刃先部１４は、倒れにくく硬いひげに当たっ
ても、撓みにくくなる。従って、切れ味を向上させるこ
とができる。When the thickness A is large, the cutting edge portion 14 of the lower blade body 4 for shaving first is hard to fall down and hardly bends even when hitting a hard beard. Therefore, sharpness can be improved.
【００１７】〔第二実施形態〕次に、本発明の第二実施
形態にかかる三枚刃剃刀を図２を参照して説明する。こ
の第二実施形態は、下記の点で第一実施形態と異なる。Second Embodiment Next, a three blade razor according to a second embodiment of the present invention will be described with reference to FIG. This second embodiment differs from the first embodiment in the following points.
【００１８】前記下刃体厚さＡは前記中刃体厚さＢ及び
上刃体厚さＣよりも小さくなっている。すなわち、下記
1)または2)の関係を有している。 1) 下刃体厚さＡ＜中刃体厚さＢ＜上刃体厚さＣ 2) 下刃体厚さＡ＜中刃体厚さＢ＝上刃体厚さＣ ちなみに、下刃体厚さＡは０．０８ｍｍ±０．０１ｍｍ
（０．０９ｍｍ〜０．０７ｍｍ）に、中刃体厚さＢは
０．１０ｍｍ±０．０１ｍｍ（０．１１ｍｍ〜０．０９
ｍｍ）に、上刃体厚さＣは０．１２ｍｍ±０．０１ｍｍ
（０．１３ｍｍ〜０．１１ｍｍ）になっている。The lower blade thickness A is smaller than the middle blade thickness B and the upper blade thickness C. That is,
1) or 2). 1) Lower blade thickness A <middle blade thickness B <upper blade thickness C 2) Lower blade thickness A <middle blade thickness B = upper blade thickness C Incidentally, lower blade thickness A is 0.08mm ± 0.01mm
(0.09 mm to 0.07 mm), the middle blade thickness B is 0.10 mm ± 0.01 mm (0.11 mm to 0.09 mm).
mm), the upper blade thickness C is 0.12 mm ± 0.01 mm
(0.13 mm to 0.11 mm).
【００１９】第二実施形態は下記（イ）の特徴を有す
る。 （イ） 前記下刃体厚さＡは前記中刃体厚さＢ及び上刃
体厚さＣよりも小さくなっているので、顔面に剃刀ヘッ
ド１を当てがってひげを剃る時、剃刀ヘッド１を上から
下へ移動させると、最も厚さＡの小さい下刃体４により
最初にひげを剃ることができる。The second embodiment has the following feature (a). (A) Since the lower blade thickness A is smaller than the middle blade thickness B and the upper blade thickness C, the razor head is used when the razor head 1 is applied to the face to shave. By moving 1 from top to bottom, the lower blade 4 having the smallest thickness A can shave first.
【００２０】この厚さＡが小さい場合でも、ひげが柔ら
かく倒れ易いので、下刃体４の刃先部１４においてひげ
に対する当接時の撓みが生じにくくなり、この撓みを考
慮する必要はない。それよりも、最初にひげを剃る下刃
体４の厚さＡを小さくしてその刃先部１４を鋭くするこ
とにより、柔らかく倒れ易いために切断しにくいひげを
確実に切断し易くなり、切れ味は良くなる。Even when the thickness A is small, the beard is soft and easy to fall down, so that the blade edge 14 of the lower blade body 4 is less likely to bend when it comes into contact with the beard, and it is not necessary to consider this bending. Rather, by reducing the thickness A of the lower blade body 4 for shaving first and sharpening the cutting edge portion 14, the beard which is soft and easy to fall down and is difficult to cut can be easily cut off, and the sharpness is improved. Get better.
【００２１】〔他の実施形態〕前記各実施形態以外にも
下記（イ）〜（ロ）のように構成してもよい。 （イ） 第一実施形態において、下刃体厚さＡ＞上刃体
厚さＣ＞中刃体厚さＢの関係にする。[Other Embodiments] In addition to the above embodiments, the following embodiments (a) to (b) may be adopted. (A) In the first embodiment, the relation of lower blade thickness A> upper blade thickness C> medium blade thickness B is satisfied.
【００２２】（ロ） 第二実施形態において、下刃体厚
さＡ＜上刃体厚さＣ＜中刃体厚さＢの関係にする。(B) In the second embodiment, the relation of lower blade thickness A <upper blade thickness C <medium blade thickness B is satisfied.
【００２３】[0023]
【発明の効果】本発明にかかる三枚刃剃刀によれば、使
用時、ひげの硬さや柔らかさに応じて切れ味をより一層
向上させることができる。According to the three blade razor of the present invention, the sharpness can be further improved in use according to the hardness and softness of the beard.
【図１】 第一実施形態にかかる三枚刃剃刀ヘッドを示
す断面図である。FIG. 1 is a sectional view showing a three-blade razor head according to a first embodiment.
【図２】 第二実施形態にかかる三枚刃剃刀ヘッドを示
す断面図である。FIG. 2 is a sectional view showing a three-blade razor head according to a second embodiment.
１…剃刀ヘッド、２…刃台、３…天板、４…下刃体、５
…中刃体、６…上刃体、１０…ガイド部、１３…挟持
部、１４，１５，１６…刃先部、１４ａ，１５ａ，１６
ａ…尖端縁、Ａ…下刃体厚さ、Ｂ…中刃体厚さ、Ｃ…上
刃体厚さ。DESCRIPTION OF SYMBOLS 1 ... Razor head, 2 ... Blade base, 3 ... Top plate, 4 ... Lower blade body, 5
... Middle blade body, 6 ... Upper blade body, 10 ... Guide part, 13 ... Nipping part, 14, 15, 16 ... Blade tip part, 14a, 15a, 16
a: pointed edge, A: lower blade thickness, B: middle blade thickness, C: upper blade thickness.
Claims (2)
（４）と中刃体（５）と上刃体（６）とを挟着し、刃台
（２）の前側にあるガイド部（１０）と天板（３）の前
側にある挟持部（１３）との間で各刃体（４，５，６）
の刃先部（１４，１５，１６）を並設した三枚刃剃刀に
おいて、 前記下刃体（４）の刃先部（１４）でその厚さを（Ａ）
とし、前記中刃体（５）の刃先部（１５）でその厚さを
（Ｂ）とし、前記下刃体（６）の刃先部（１６）でその
厚さを（Ｃ）とした場合、前記下刃体厚さ（Ａ）を前記
中刃体厚さ（Ｂ）及び上刃体厚さ（Ｃ）よりも大きく
し、 前記各刃体（４，５，６）の刃先部（１４，１５，１
６）の刃先角度を、互いにほぼ等しく設定し、 更に、前記各刃先部（１４，１５，１６）の尖端縁（１
４ａ，１５ａ，１６ａ）を、刃台（２）のガイド部（１
０）上の接点（Ｐ 10 ）と天板（３）の挟持部（１３）上
の接点（Ｐ 13 ）とを結ぶひげ剃り接線面（Ｐ）の付近に
位置させ、同ひげ剃り接線面（Ｐ）に対する下刃体尖端
縁（１４ａ）の突出距離と中刃体尖端縁（１５ａ）の突
出距離と上刃体尖端縁（１６ａ）の突出距離との関係
を、下刃体突出距離＞中刃体突出距離＞上刃体突出距離
と したことを特徴とする三枚刃剃刀における刃先構造。A lower blade (4), a middle blade (5), and an upper blade (6) are sandwiched between a blade base (2) and a top plate (3). ) Between the guide portion (10) on the front side and the holding portion (13) on the front side of the top plate (3).
In the three-blade razor in which the cutting edges (14, 15, 16) are arranged side by side, the thickness of the cutting edge (14) of the lower blade (4) is set to (A).
When the thickness of the cutting edge (15) of the middle blade (5) is (B) and the thickness of the cutting edge (16) of the lower blade (6) is (C), The lower blade thickness (A) is larger than the middle blade thickness (B) and the upper blade thickness (C).
And the cutting edge portions (14, 15, 1) of the blade bodies (4, 5, 6).
The cutting edge angles in (6) are set substantially equal to each other, and further, the sharp edges (1) of the respective cutting edge portions (14, 15, 16) are set.
4a, 15a, 16a) to the guide portion (1) of the blade base (2).
0) on the holding part (13) of the contact (P 10 ) on the top plate (3)
Near the tangent plane (P) connecting the point of contact (P 13 )
Position the tip of the lower blade against the shave tangent surface (P)
The protruding distance of the edge (14a) and the protruding edge of the middle blade tip (15a)
Relationship between the projecting distance and the protruding distance of the tip edge (16a) of the upper blade body
, Lower blade body protrusion distance> middle blade body protrusion distance> upper blade body protrusion distance
Blade structure in a three-bladed razor, characterized in that the the.
（４）と中刃体（５）と上刃体（６）とを挟着し、刃台
（２）の前側にあるガイド部（１０）と天板（３）の前
側にある挟持部（１３）との間で各刃体（４，５，６）
の刃先部（１４，１５，１６）を並設した三枚刃剃刀に
おいて、 前記下刃体（４）の刃先部（１４）でその厚さを（Ａ）
とし、前記中刃体（５）の刃先部（１５）でその厚さを
（Ｂ）とし、前記下刃体（６）の刃先部（１６）でその
厚さを（Ｃ）とした場合、前記下刃体厚さ（Ａ）を前記
中刃体厚さ（Ｂ）及び上刃体厚さ（Ｃ）よりも小さく
し、 前記各刃体（４，５，６）の刃先部（１４，１５，１
６）の刃先角度を、互いにほぼ等しく設定し、 更に、前記各刃先部（１４，１５，１６）の尖端縁（１
４ａ，１５ａ，１６ａ ）を、刃台（２）のガイド部（１
０）上の接点（Ｐ 10 ）と天板（３）の挟持部（１３）上
の接点（Ｐ 13 ）とを結ぶひげ剃り接線面（Ｐ）の付近に
位置させ、同ひげ剃り接線面（Ｐ）に対する下刃体尖端
縁（１４ａ）の突出距離と中刃体尖端縁（１５ａ）の突
出距離と上刃体尖端縁（１６ａ）の突出距離との関係
を、下刃体突出距離＞中刃体突出距離＞上刃体突出距離
と したことを特徴とする三枚刃剃刀における刃先構造。2. A lower blade body (4), a middle blade body (5) and an upper blade body (6) are sandwiched between a blade base (2) and a top plate (3). ) Between the guide portion (10) on the front side and the holding portion (13) on the front side of the top plate (3).
In the three-blade razor in which the cutting edges (14, 15, 16) are arranged side by side, the thickness of the cutting edge (14) of the lower blade (4) is set to (A).
When the thickness of the cutting edge (15) of the middle blade (5) is (B) and the thickness of the cutting edge (16) of the lower blade (6) is (C), The lower blade thickness (A) is smaller than the middle blade thickness (B) and the upper blade thickness (C).
And the cutting edge portions (14, 15, 1) of the blade bodies (4, 5, 6).
The cutting edge angles in (6) are set substantially equal to each other, and further, the sharp edges (1) of the respective cutting edge portions (14, 15, 16) are set.
4a, 15a, 16a ) to the guide portion (1) of the blade base (2).
0) on the holding part (13) of the contact (P 10 ) on the top plate (3)
Near the tangent plane (P) connecting the point of contact (P 13 )
Position the tip of the lower blade against the shave tangent surface (P)
The protruding distance of the edge (14a) and the protruding edge of the middle blade tip (15a)
Relationship between the projecting distance and the protruding distance of the tip edge (16a) of the upper blade body
, Lower blade body protrusion distance> middle blade body protrusion distance> upper blade body protrusion distance
Blade structure in a three-bladed razor, characterized in that the the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12579496A JP3213693B2 (en) | 1996-05-21 | 1996-05-21 | Edge structure of three blade razor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12579496A JP3213693B2 (en) | 1996-05-21 | 1996-05-21 | Edge structure of three blade razor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09308781A JPH09308781A (en) | 1997-12-02 |
| JP3213693B2 true JP3213693B2 (en) | 2001-10-02 |
Family
ID=14919050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12579496A Expired - Lifetime JP3213693B2 (en) | 1996-05-21 | 1996-05-21 | Edge structure of three blade razor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3213693B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005261544A (en) * | 2004-03-17 | 2005-09-29 | Kai R & D Center Co Ltd | Safety razor |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6112412A (en) * | 1999-04-21 | 2000-09-05 | Warner-Lambert Company | Razor assembly and cartridge having improved wash-through |
| US6772523B1 (en) | 1999-04-21 | 2004-08-10 | Eveready Battery Company, Inc. | Pivotable and flexible razor assembly and cartridge |
| US6182366B1 (en) | 1999-04-21 | 2001-02-06 | Warner-Lambert Company | Flexible razor assembly and cartridge |
| US6138361A (en) * | 1999-04-21 | 2000-10-31 | Warner-Lambert Company | Pivotable razor assembly and cartridge |
| KR101532244B1 (en) * | 2013-06-27 | 2015-06-29 | (주)인피노 | All-in-one multiple razor blade and method for manufacturing the same |
| KR102106304B1 (en) * | 2018-07-27 | 2020-05-04 | 주식회사 도루코 | Razor cartridge |
-
1996
- 1996-05-21 JP JP12579496A patent/JP3213693B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005261544A (en) * | 2004-03-17 | 2005-09-29 | Kai R & D Center Co Ltd | Safety razor |
| JP4598419B2 (en) * | 2004-03-17 | 2010-12-15 | 株式会社貝印刃物開発センター | Safety razor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09308781A (en) | 1997-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6655030B2 (en) | Shaving head and shaver provided with such a shaving head | |
| JPS59500258A (en) | razor blade assembly | |
| WO2020206750A1 (en) | Tool bit structure | |
| JP3213693B2 (en) | Edge structure of three blade razor | |
| JPH0631665U (en) | Razor blade assembly | |
| JP3213692B2 (en) | Edge structure of three blade razor | |
| JP3213237B2 (en) | Edge structure of three blade razor | |
| JP2906226B2 (en) | Safety razor | |
| JP3739476B2 (en) | Reciprocating electric razor | |
| JPH0755267B2 (en) | Safety razor | |
| CN220903396U (en) | Welding-free manual shaver head | |
| JPH09276568A (en) | Safety razor | |
| CN214520337U (en) | Swing span structure of electromagnetic swing type hair clipper | |
| JP2777633B2 (en) | Saw blade engagement method for a replaceable blade saw | |
| JP3007599U (en) | shaver | |
| JPH0833781A (en) | Spare blade of safety razor | |
| JPS5927258Y2 (en) | reciprocating electric razor | |
| JPS5917381A (en) | Reciprocal type electric shaver knife | |
| CN116728471A (en) | Cutter head, cutter head and shaver | |
| JP3082545U (en) | V-blade safety razor | |
| JP2000024339A (en) | Blade supporting structure in razor | |
| JP2002066169A (en) | Outer edge of electric shaver | |
| JPH022278Y2 (en) | ||
| JPS602270A (en) | Outer blade of rotary type electric razor | |
| JPS6215018Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100719 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130719 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160719 Year of fee payment: 15 |
|
| EXPY | Cancellation because of completion of term |