JPH10216373A - Thinning scissors and its manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide thinning scissors which can easily be pulled out from hair without damaging the hair and be manufactured at low cost and a method for manufacturing the same. SOLUTION: In thinning scissors in which two blades 4, 4, each provided with an edge part 2 and a finger grip part 3 respectively, on the upper side and underside of a main body part 1, are pivotally attached to each other at the main body part 1, the edge part 2 of at least one of the blades 4 is set at a comb tooth part 5 in which fine teeth 7 are arranged in parallel with grooves 6 between them, and both side edge corners of each fine tooth 7 are formed into inclined surfaces 9, 10. Therefore, when hair is cut by the thinning scissors in which both side edge corners of each fine tooth 7 are formed into the inclined surfaces 9, 10, the hair is not caught by the side edge corners of each fine tooth 7 but is smoothly pulled out from the thinning scissors to prevent damage to the hair.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pruning scissors that does not damage hair and a method for producing the same.

[0002]

2. Description of the Related Art In order to reduce the volume of a hair and obtain a desired hairstyle, there have been proposed plow scissors that do not cut a part of the hair.

As shown in FIGS. 11 and 12, a thin blade 21 of a conventional plow scissors presses a cutting tool such as a grinder or a cutter against a blade portion 24 to form a groove 22. A thin blade 21 having a rectangular shape in a plan view is provided.
Is formed by buffing the burr generated by the polishing agent with an abrasive (hereinafter, referred to as a conventional method).

However, when the hair is cut using the pruning scissors manufactured by the conventional method, the hair that has not been cut when the plowing scissors are pulled out of the hair may be caught in the corners 23 on both side edges of the fine blade 21 and may be hurt. Moreover, the caught hair often rubs and becomes split ends, and cuticles on the surface of the hair often hurt.

The present invention solves the above problems,
An object of the present invention is to provide plow scissors that can be easily manufactured at a low cost without slipping out of the hair and without damaging the hair, and a method of manufacturing the same.

[0006]

The gist of the present invention will be described with reference to the accompanying drawings.

A pair of scissors scissors, in which two scissors halves 4, 4 provided with a blade 2 on the upper side of the main body 1 and a finger hook 3 on the lower side, are pivotally connected in the main body 1, and at least one of them. Scissors half 4
Characterized in that the blade portion 2 is set to the comb blade portion 5 in which the fine blades 7 are juxtaposed via the groove 6, and the corners on both side edges of the fine blades 7 are formed on the inclined surfaces 9 and 10. It relates to scissors.

Further, in the plow scissors according to the first aspect, both side edge corners of the fine blade 7 are formed on the inclined surfaces 9 and 10 using a grindstone, a cutter, a wire cutter or an electric discharge machine. It relates to sukisuki scissors.

Further, two scissors halves 4.4 having a blade portion 2 provided on the upper side of the main body portion 1 and a finger hook portion 3 provided on the lower side thereof are connected to the main body portion 1.
And at least one of the pair of scissor halves 4, 4 has a blade 2 of a comb blade 5 having thin blades 7 juxtaposed via grooves 6. The method of manufacturing
Simultaneous formation of the groove 6 and removal of the inner edge corners of the narrow blades 7 adjacent to both sides of the groove 3 make the both edge corners inclined surfaces 9.
The present invention relates to a method for manufacturing plow scissors, characterized in that a comb blade portion 5 is formed by arranging thin blades 7 formed in 10 through grooves 6 side by side.

Further, two scissors halves 4.4 provided with a blade 2 on the upper side of the main body 1 and a finger hook 3 on the lower side are connected to the main body 1.
And at least one of the pair of scissor halves 4, 4 has a blade 2 of a comb blade 5 having thin blades 7 juxtaposed via grooves 6. The method of manufacturing
The formation of the groove 6 and one of the narrow blades 7 adjacent to both sides of the groove 6
Of the upper inner edge of the thin blade 7 and the lower corner of the inner edge of the other thin blade 7 are simultaneously performed, and thereafter, the lower edge of the inner edge of the one thin blade 7 and the inner upper corner of the other fine blade 7 are cut. And forming a comb blade portion 5 in which thin blades 7 having upper and lower corners on both side edges formed on inclined surfaces 9 and 10 are arranged side by side through a groove 6 to produce a comb scissors. It is related.

Further, two scissors halves 4.4 provided with a blade 2 on the upper side of the main body 1 and a finger hook 3 on the lower side are connected to the main body 1.
And at least one of the pair of scissor halves 4, 4 has a blade 2 of a comb blade 5 having thin blades 7 juxtaposed via grooves 6. The method of manufacturing
The cutting tool 14 is inclined to one side and pressed against the blade portion 2 to form a groove 6 and a substantially parallelogram-shaped intermediate body 7 ′ in the blade portion 2, and then insert the cutting tool 14 again into the groove 6 on the other side. The intermediate blade 7 'is formed into a substantially hexagonal shape in a vertical cross section, and the narrow blades 7 formed on the inclined surfaces 9 and 10 are formed side by side through a groove 6. The present invention relates to a method for manufacturing plow scissors, wherein a part 5 is formed.

Further, two scissors halves 4.4 provided with a blade 2 on the upper side of the main body 1 and a finger hook 3 on the lower side are connected to the main body 1.
And the blade 2 of at least one of the scissors halves 4 is set to a comb blade 5 having thin blades 7 arranged side by side through a groove 6. The method of manufacturing
After a groove 6 is formed in the blade portion 2 by an appropriate means, a cutting tool is introduced into the groove 6 at an angle to one side, and the upper edge of the inner edge of one of the thin blades 7 adjacent to both sides of the groove 6 and The lower edge of the inner edge of the other fine blade 7 is cut off, and then a cutting tool 14 is introduced into the groove while being inclined to the other, and the inner lower corner of one of the fine edges and the inner upper corner of the other fine blade 7 are cut. The comb blade 5 is formed by shaving a portion to form a comb blade portion 5 in which narrow blades 7 having both side corners formed on inclined surfaces 9 and 10 are arranged side by side through a groove 6. It relates to a manufacturing method.

[0013]

Operation and effect of the present invention The corners on both side edges of the thin blade 7 are inclined 9
When the hair is cut with the plow scissors formed at 10, the hair does not get caught on the corners on both side edges of the fine blade 7, so that the plow scissors can be easily removed from the hair, thereby preventing the hair from being damaged.

The method of forming both side corners of the thin blade 7 on the inclined surfaces 9 and 10 is more efficient because the inclined surfaces 9 and 10 are formed simultaneously with the formation of the grooves 6. Specifically, the cutting tool 14 is inclined twice in two directions to form the groove 6 and the inclined surface 9.
・ Since the formation of 10 is performed at the same time, the present plow scissors can be manufactured very efficiently.

According to the present invention, as described above, the corners on both sides of the fine blade are formed on the inclined surface, so that the hair does not get caught on the corners on both sides of the fine blade, so that the plow scissors can be easily removed from the hair. Practical plow scissors that won't hurt your hair.

Further, since the inclined surface is formed simultaneously with the formation of the groove, a method of manufacturing plow scissors excellent in productivity can be formed easily and at low cost at both corners of the inclined surface.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

FIGS. 1 to 4 show the plow scissors of the first embodiment.

The scissors are a pair of scissors in which two scissors halves 4, 4 provided with a blade portion 2 on the upper side of a main body 1 and a finger hook 3 on a lower side are superimposed on one another. A number of grooves 6 are formed in the scissors half 4, and narrow blades 7 are provided between the grooves 6, and the corners on both side edges of the fine blades 7 are formed on the inclined surfaces 9 and 10, and A blade plate 13 is formed on the blade portion 2 of the scissor half 4.

Reference numeral 8 is an axis. The shaft 8 is provided with a tightening nut 12 for appropriately adjusting the degree of rubbing between the blade portions 2 of the scissor halves 4 (the scissor condition in the industry).

In the following, the corners on both sides of the fine blade 7 are inclined 9.
The step of forming the step 10 will be described in detail.

The upper side of the main body 1 of the scissor half 4 is formed on a blade plate (blade portion 2) such that the thickness of the portion to be the blade of the fine blade 7 is reduced. Note that the main body 1 and the finger hook 3 are formed in a separate process.

Subsequently, for example, a cutting tool 1 such as a cutter
The cutting tool 14 is tilted to one side, and the cutting tool 14 is brought into contact with the blade 2 at a right angle to the blade 2 from the cutting edge side of the blade 2, and the groove 2 and the middle of a substantially parallelogram in a sectional view. A body 7 'is formed (see FIG. 3). In addition, a grindstone, a grinder, a wire cutter, or the like is used as the cutting tool 14, and the plurality of grooves 6 and the intermediate body 7 'are simultaneously formed.

Subsequently, the cutting tool 14 is once pulled out of the groove 6, the cutting tool 14 is inclined to the other side, and the cutting tool 14 is inserted into the groove 6 again from the cutting edge side of the blade portion 2, and the sectional view is substantially omitted. A parallelogram-shaped thin blade 7 is formed in a hexagonal shape in cross section,
The thin blade 7 is formed.

Therefore, the upper and lower corners of both side edges of the fine blade 7 are chamfered in the forming process of the fine blade 7 to be formed on the inclined surfaces 9 and 10 (see FIG. 4).

Subsequently, buffing using an abrasive or the like is performed on the entire comb blade portion 5 in which the fine blades 7 are arranged side by side through the plurality of grooves 6, and deburring is performed.

In the first embodiment, as described above, the upper and lower corners on both side edges of the fine blade 7 are formed on the inclined surfaces 9 and 10, so that when the hair is cut, the hair can be fine even if it is pulled from any direction. Blade 7
It does not get caught in the upper and lower corners of both sides, and the plow scissors can be easily removed from the hair, and the plow scissors excel in practicality without damaging the hair.

The method of forming the upper and lower corners on both side edges on the inclined surfaces 9 and 10 is a method in which the cutting tool 14 is inclined in two directions and is formed simultaneously with the formation of the groove 6 by two operations. It is a method excellent in productivity that can form the upper and lower corners on both side edges on the inclined surfaces 9 and 10 easily and at low cost.

Incidentally, by making the cutting tool 14 or the blade portion 2 appropriately inclined to form an inclined surface also at the deepest portion 15 of the groove 6, it is possible to manufacture plow scissors with which hair is more difficult to be caught. In this embodiment, the fine blade 7 is a so-called straight blade. However, it goes without saying that the fine blade 7 may be a so-called R blade (curved blade).

FIGS. 5 to 7 show another example of the forming process of the thin blade 7 of the first embodiment.

The upper side of the main body 1 of the scissors half 4 is formed on a blade plate (blade 2) such that the thickness of the portion to be the blade of the fine blade 7 is reduced.

Subsequently, for example, a cutting tool 1 such as a cutter
The cutting tool 14 is brought into a vertical state, and the cutting tool 14 is brought into contact with the cutting portion 2 at a right angle to the cutting portion 2 from the cutting edge side of the cutting portion 2 to form a thin blade 7 having a quadrangular cross section in the cutting portion 2 (FIG. 5).

Subsequently, the cutting tool 14 is once pulled out of the groove 6, the cutting tool 14 is tilted to one side, and the cutting tool 14 is inserted into the groove 6 again from the cutting edge side of the blade 2, and
The upper edge of the inner edge of one thin blade 7 and the lower edge 9 of the inner edge of the other thin blade 7 adjacent to both sides are simultaneously cut off.
(See FIG. 6).

Subsequently, the cutting tool 14 is pulled out of the groove 6 again, the cutting tool 14 is tilted to the other side, and the cutting tool 14 is inserted into the groove 6 again from the cutting edge side of the blade portion 2. The lower corner of the inner edge of one thin blade 7 and the upper corner of the inner edge of the other thin blade 7 adjacent to both sides are simultaneously cut off.

Therefore, the upper and lower corners of both sides of the thin blade 7 are formed on the inclined surfaces 9 and 10 (see FIG. 7).

Subsequently, buffing using an abrasive or the like is performed on the entire comb blade portion 5 in which the fine blades 7 are arranged side by side through the plurality of grooves 6, and deburring is performed.

Since another example of the first embodiment is as described above, when the cutting tool 14 is inclined and inserted into the groove 6,
The cutting tool 14 is guided by the groove 6 and the blade 2 and the cutting tool 1
It is possible to form the comb blade portion 5 exactly as designed without blurring, and it is also possible to form inclined surfaces also at the upper and lower corners on both side edges of the thin blade 21 of the conventional plow scissors. It becomes a manufacturing method of plow scissors excellent in practicality. The rest is the same as in the first embodiment.

FIGS. 8 and 9 show still another example of the first embodiment, in which inclined surfaces 9 and 10 at the lower corners of both side edges of the fine blade 7 are shown.
By positioning the inclination axis of the cutting tool 14 below the thin blade 7 that is to form the inclined surfaces 9 and 10, the upper corners of the both edges of the thin blade 7 (the side that does not rub against the blade plate 13) are inclined. Face 9
-It is formed smaller than 10.

By forming the thin blade 7 in this manner,
A large contact area between the blade edge of the fine blade 7 and the blade plate 13 can be secured, and the amount of hair cut by the blade edge of the fine blade 7 can be increased.

FIG. 9 illustrates the plow scissors of the second embodiment.

The blade portions 2 of the scissor halves 4 are all comb blade portions 5.
The upper and lower corners of both side edges of the thin blade 7 are formed on the inclined surfaces 9 and 10 as in the first embodiment. The rest is the same as in the first embodiment.

The cutting tool 1 as in the first and second embodiments
4 without using a thin blade 7 by electric discharge machining or electrolytic machining
May be formed on the inclined surfaces 9 and 10, but the electric discharge machine and the electrolytic machine are expensive and are not suitable for small-quantity production.

[Brief description of the drawings]

FIG. 1 is an explanatory front view of a first embodiment.

FIG. 2 is an explanatory front view of a main part of the first embodiment.

FIG. 3 is an explanatory sectional view of a main part of the first embodiment.

FIG. 4 is an explanatory sectional view of a main part of the first embodiment.

FIG. 5 is an explanatory sectional view of a main part of another example of the first embodiment.

FIG. 6 is an explanatory sectional view of a main part of another example of the first embodiment.

FIG. 7 is an explanatory sectional view of a main part of another example of the first embodiment.

FIG. 8 is an explanatory sectional view of a main part of still another example of the first embodiment.

FIG. 9 is an explanatory perspective view of a main part of still another example of the first embodiment.

FIG. 10 is an explanatory front view of the second embodiment.

FIG. 11 is an explanatory perspective view of a main part of a conventional example.

FIG. 12 is an explanatory sectional view of a main part of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body part 2 Blade part 3 Finger hook part 4 Scissor half body 5 Comb blade part 6 Groove 7 Thin blade 7 'Intermediate body 9/10 Slope surface 14 Cutting tool

Claims (6)

[Claims] 1. A scissors in which two scissors halves having a blade portion provided on an upper side of a main body portion and a finger hook portion on a lower side are pivotally connected in a main body portion, wherein at least one of the scissor halves is a blade. A plow scissors characterized in that the portion is set as a comb blade portion in which fine blades are juxtaposed via a groove, and both side edges of the fine blade are formed on an inclined surface. 2. The plow scissors according to claim 1, wherein
Plowing scissors characterized in that both edges of the fine blade are formed on an inclined surface using a cutter, a wire cutter or an electric discharge machine. 3. A scissors half provided with a blade portion on the upper side of the main body portion and a finger hook portion on the lower side is pivotally attached to the main body portion 1,
A method for manufacturing plow scissors, comprising setting a blade portion of at least one of the scissor halves to a comb blade portion having thin blades juxtaposed via a groove, comprising the steps of forming a groove and forming the groove. By simultaneously cutting the inner edge corners of the narrow blades adjacent to both sides of the blade, it is possible to form a comb blade portion formed by juxtaposing thin blades having both side edge corners formed on an inclined surface through grooves. Characteristic method of manufacturing plow scissors. 4. A pair of scissors halves having a blade portion provided on an upper side of a main body portion and a finger hook portion provided on a lower side thereof are pivotally connected to the main body portion. A method for manufacturing plow scissors, wherein a blade portion is set to a comb blade portion in which fine blades are juxtaposed via a groove, wherein a groove is formed and an inner edge of one of the fine blades adjacent to both sides of the groove is formed. Sharpening of the corner and the lower edge of the inner edge of the other fine blade are performed simultaneously, and then, cutting of the inner lower edge of the one fine blade and the inner upper corner of the other fine blade are performed so that the upper and lower edges are cut off. A method for manufacturing plow scissors, comprising forming a comb blade portion in which fine blades having lower corners formed on an inclined surface are juxtaposed via grooves. 5. A pair of scissors halves each having a blade portion provided on an upper side of a main body portion and a finger hook portion provided on a lower side thereof are pivotally connected to the main body portion. A method of manufacturing plow scissors, wherein a blade portion is set to a comb blade portion in which fine blades are juxtaposed via a groove, wherein a cutting tool is inclined to one side and pressed against the blade portion to form a groove and a groove on the blade portion. An intermediate with a substantially parallelogram shape in longitudinal section is formed, and then the cutting tool is again introduced into this groove by inclining it to the other side, and the intermediate is formed into a substantially hexagonal shape in longitudinal section, and the corners on both sides are inclined. A method for manufacturing plow scissors, comprising forming a comb blade portion in which the formed fine blades are juxtaposed via a groove. 6. A pair of scissors halves having a blade portion provided on an upper side of a main body portion and a finger hook portion provided on a lower side thereof are pivotally connected to the main body portion. A method for manufacturing plow scissors, in which the blade portion is set to a comb blade portion in which fine blades are juxtaposed via a groove, and after forming a groove in the blade portion by appropriate means,
A cutting tool is introduced into the groove at an angle to one side, and the upper edge of the inner edge of one of the narrow blades adjacent to both sides of the groove and the lower edge of the inner edge of the other fine blade are cut off. Introducing the cutting tool into the groove while tilting it to the other, and cutting the inner upper corner of one inner lower corner and the other upper blade to form a thin blade with both side corners formed on the inclined surface. A method of manufacturing plow scissors, comprising forming a comb blade portion juxtaposed via a groove.