WO2001072480A1 - Ciseaux - Google Patents

Ciseaux Download PDF

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Publication number
WO2001072480A1
WO2001072480A1 PCT/JP2000/001981 JP0001981W WO0172480A1 WO 2001072480 A1 WO2001072480 A1 WO 2001072480A1 JP 0001981 W JP0001981 W JP 0001981W WO 0172480 A1 WO0172480 A1 WO 0172480A1
Authority
WO
WIPO (PCT)
Prior art keywords
scissors
blade
hole
weight
filling
Prior art date
Application number
PCT/JP2000/001981
Other languages
English (en)
Japanese (ja)
Other versions
WO2001072480A8 (fr
Inventor
Hidemi Adachi
Original Assignee
Adachi Kogyo, Inc.
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 Adachi Kogyo, Inc. filed Critical Adachi Kogyo, Inc.
Priority to KR1020027012931A priority Critical patent/KR20020089417A/ko
Priority to EP00912939A priority patent/EP1270153A4/fr
Priority to CN00819389.4A priority patent/CN1452538A/zh
Priority to PCT/JP2000/001981 priority patent/WO2001072480A1/fr
Publication of WO2001072480A1 publication Critical patent/WO2001072480A1/fr
Publication of WO2001072480A8 publication Critical patent/WO2001072480A8/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors
    • B26B13/22—Hand shears; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument
    • B26B13/24—Hand shears; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument to aid hair cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors
    • B26B13/06—Hand shears; Scissors characterised by the shape of the blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

Definitions

  • the present invention relates to weight reduction and improvement of patterning of scissors. Background art
  • Iron used for hairdressing is 6 inches and weighs about 60 g, and 8 inches is about 80 g. This weight itself does not feel so heavy when you hold the scissors in your hand, but if you hold the scissors almost all day like a barber or hairdresser, the weight is heavy, Lightening is desired.
  • weight reduction there is a scissor material using a titanium alloy, and a blade body made of a titanium alloy and a plate-shaped blade made of a stainless material adhered to a cutting edge portion.
  • a titanium alloy itself is quenched and polished to form a blade.
  • barber and beauty technicians use a large number of power scissors and comb scissors to carry out the work. Absent. Therefore, if the weight of the comb blade is reduced by the shaving process of the comb blade, such as comb scissors, the weight of the comb scissors is reduced to a weight close to that of the cut scissors. There are no considerations. However, when a lightweight titanium alloy is used as a scissor material, the weight of the entire scissors can be reduced, but the weight reduction is remarkably disliked.
  • Titanium alloys have a low degree of freedom in processing, which is a burden on manufacturing. Furthermore, scissors made of titanium alloy give powder of titanium alloy when they are polished, but since the ignition point of titanium is low, there have been reports of accidents involving fire from titanium powder. In addition to hairdressing scissors, pet scissors are also available. However, because of the small number and variety, relatively large scissors for hairdressing and beauty scissors tend to be diverted and used for kitting. Some relatively large hairdressing scissors have a size of about 10 inches, but the weight is correspondingly large, and it is hoped that the scissors with such weight will be even lighter.
  • scissors are made of a specific single metal material, for example, stainless steel as a main material, processed into a desired shape, and then hardened at a blade edge portion by heat treatment such as quenching.
  • the color of the scissors is mostly the metal color of the main material, and the color tone is monotonous.
  • a very small part of the surface is colored, such as blue or gold.
  • ⁇ has to be polished frequently during use to maintain its sharpness, and thus there is a problem that the coloring is removed by this polishing.
  • iron is sometimes given a decorative design on the blade surface or handle to enhance the design.
  • the invention described in claim 1 of the present application is characterized in that a substantial concave portion is provided on the blade surface of the scissors.
  • a substantial concave portion is a depth that the concave portion does not disappear by being polished by scissors. It is preferable that the shape, size, and arrangement of the recess have little effect on the blade strength.
  • the main material is a specific single metal material such as stainless steel described in the section of the prior art. In this way, the scissors are in a state where the meat is cut off by the concave portion provided in the blade body, so that the weight is reduced by that much, even if you use it all day long, There is no burden. Further, by adjusting the shape and arrangement of the concave portion and adjusting the total capacity in the concave portion, the weight can be freely adjusted to reduce the weight.
  • a technician would use the average weight of a large number of Weight-reduced scissors (eg, 5% to 10% lighter) can be added to hand-held scissors, and a large number of scissors can be replaced with lighter weight scissors. I can do it.
  • a large number of Weight-reduced scissors eg, 5% to 10% lighter
  • the external shape of the recess may be freely provided, for example, it may be formed into a shape such as a geometric pattern, a character, a mark, or some kind of picture, so that the design is excellent.
  • the concave portion formed in the pattern or the like is polished and the concave portion is shaved, the concave portion is practically formed as a concave portion to a certain depth and thus does not disappear. Extinguishes with the edge being polished, but does not interfere with the excellent effect of the present invention).
  • a filling portion formed by filling a concave portion with a material different from the main material is provided.
  • the concave portion is formed in the shape of a character, a pattern, or the like, a character, a pattern, or the like can be formed, for example, on a metal-colored blade with a filling portion having a different color from the metal blade. Moreover, the depth is such that the concave portion is not scraped off and disappears. Therefore, the “substantial concave portion” described in claim 1 has at least the “submerged portion filled with the applied paint” described as the background art. Excludes those with “shallow recess”.
  • the filling part is provided in such a concave part, even if the blade surface is polished and the filling part is shaved, a new filling part will appear without interruption from below, and the characters and patterns drawn in the filling part will not disappear. .
  • the material different from the main material may be one kind or many kinds.
  • the description “filled” in the claims does not describe a manufacturing method but expresses a completed state. Therefore, the filling portion may be formed by any method.
  • the material different from the main material is made lighter than the main material, the weight of the scissors can be reduced.
  • the main material is stainless steel, examples of lightweight materials include plastic, glass fiber, aluminum, bonbon, felt, and bakelite, but are not limited thereto.
  • a hole penetrating from the blade surface of the blade body of the scissors to the back of the blade is provided.
  • the hole is preferably located at the center of the blade width in terms of uniform blade strength, and a hole can be provided at such a center from the base end to the tip of the blade, but is not limited to this. .
  • a number of small holes may be provided from the base end to the tip, and a single hole may be formed as long as a groove from the base to the tip, and a material corresponding to the total capacity of the hole
  • the weight can be reduced accordingly.
  • the weight to be reduced can be freely adjusted.
  • the design of the scissors can be enhanced.
  • the hole can be seen through the hole, the pattern shape of the hole and the existence of the hole itself can be seen. It is easy to understand, and if you design a hole like this, the design effect will be more pronounced.
  • the design can be improved by providing a large number of holes and arranging the holes in a pattern at that time.
  • the design is further enhanced.
  • a filling portion formed by filling a material having a different color from the main material is provided in the hole.
  • the design of the scissors is expanded, and the arrangement can be made to look colored.
  • the hole is filled with a material lighter than the main material. This is effective in preventing hair from being caught or clogged in the hole depending on the size and shape of the hole. It also contributes to weight reduction of the scissors.
  • the mechanical strength against bending and twisting of the scissors may be reduced, but the effect of reinforcing the mechanical strength by filling the filler material is obtained.
  • the invention according to claim 7 has a rib portion embedded in the filling portion in a state of being bridged over the hole portion, so that the effect of preventing the filling portion from detaching from the hole portion is obtained, Like reinforcing steel buried in concrete, it has the effect of reinforcing the strength of the filling part, and ultimately the effect of reinforcing the blade strength.
  • FIG. 1 is an explanatory view of scissors in which a recess is provided in the stationary blade shown in the first embodiment.
  • FIG. 2 is a perspective view of a semifinished semi-finished product having a recess formed by forging.
  • FIG. 3 is a plan view of the semi-finished semi-finished product shown in FIG.
  • FIG. 4 is a perspective view as viewed from a cross section of the semi-finished semi-finished product shown in FIG. 2, and a cross-sectional view of the final static blade is indicated by a chain line.
  • FIG. 5 is a perspective view of the stationary blade semi-finished product shown in FIG.
  • FIG. 6 shows another example in which the pattern of the concave portion is different.
  • FIG. 7 shows another example in which the pattern of the concave portion is further changed.
  • FIG. 8 shows another example in which the pattern of the concave portion is further changed.
  • FIG. 9 shows another example in which the pattern of the concave portion is further changed.
  • FIG. 10 shows another example in which the pattern of the concave portion is further changed.
  • FIG. 11 shows another example in which the pattern of the concave portion is further changed.
  • FIG. 12 shows another example in which the pattern of the concave portion is further changed.
  • FIG. 13 is a drawing of iron in which the square-shaped holes shown in the third embodiment are arranged in a serial pattern from the base end to the tip end of the blade body.
  • FIG. 14 is another diagram shown in the third embodiment.
  • FIG. 15 is a sectional view taken along line KK in FIG.
  • FIG. 16 is a view of still another scissors shown in the third embodiment.
  • FIG. 17 is a diagram of the scissors shown in the fourth embodiment.
  • FIG. 18 is a view of scissors in which the holes shown in Example 5 are filled with plastic.
  • FIG. 19 is a sectional view taken along line L_L in FIG.
  • FIG. 20 is an explanatory view of the blade body of the scissors shown in Embodiment 6, in which the blade body has a rib portion in a hole and is further filled with plastic.
  • FIG. 21 is a sectional view taken along line MM in FIG.
  • FIG. 22 is an NN cross-sectional view of FIG.
  • FIG. 23 is a diagram illustrating a method of manufacturing the blade body illustrated in FIG. 20, and illustrates a state in which a projected portion and a rib portion are formed after a window portion is provided.
  • BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below.
  • Scissors 1 shown in FIG. 1 are cut iron, and two stainless steel blades 2 are pivotally mounted.
  • the blade on the front side of the technician holding the scissors is the static blade 3 and the blade on the head side of the person to be hairdressed is the moving blade 6. Therefore, the stationary blade 3 is in a position where it can be easily seen by the user.
  • the blade 2 serving as the stationary blade 3 has a concave shape like a diamond-shaped groove in the blade table A. 4 are provided.
  • the recesses 4 have a width of 1 mm and are evenly spaced at 3 mm intervals.
  • Each of the recesses 4 is provided at a depth of 0.8 mm from the blade back B as shown in FIGS.
  • the recess is formed in a depth such that the thickness between the bottom of the recess 4 and the blade back B becomes substantially constant.
  • the cutting edge portion having a thickness of 0.8 mm or less has no concave portion (X in FIGS. 1 and 4).
  • the scissors are manufactured by the following method.
  • a stainless steel material is forged into a blade body shape.
  • a concave portion 4 is simultaneously formed on the side A, which becomes the blade surface of the stationary blade 3, as shown in FIGS.
  • the recess 4 Prior to polishing, the recess 4 is provided at a depth of 2.5 mm in a semi-finished 3.3 mm thick semi-finished product, as shown in FIG. Only the 5 parts are left without the recess 4.
  • the semi-finished product 2 'in this state is adjusted to have the final static blade cross-sectional shape Y. Polishing.
  • a solid line drawing is drawn on the stainless metal color, which is also excellent in design.
  • the scissors 1 are in a state in which a part of the meat of the blade body is dropped in the form of the formation of the concave portion 4, and the scissors 1 are lightened.
  • a typical iron weight is, for example, 60 g. Force Even if this is reduced by about 5 to 6 g, the burden on the technician is greatly reduced. According to the present invention, such a work is possible.
  • the blade edge 7 side of the blade table A (FIG. 1) is polished.
  • the concave portion 4 is a substantial concave portion having a certain depth, X in FIG.
  • the pattern of the diamond lattice does not disappear except in the vicinity of the cutting edge indicated by.
  • the line drawing of the concave portion may be freely formed in addition to this example, and the patterns shown in FIGS. 6 to 11 can be exemplified.
  • the invention is not limited to such a geometric pattern, and may be a concrete pattern as shown in FIG. 12 or any other pattern.
  • the formation of the concave portion is not limited to forging, and the concave portion may be formed at the same time when the blade body is forged. Alternatively, only the blade body may be manufactured first, and the concave portion may be formed by electric discharge machining. The recess may be formed by any other method.
  • the scissors are similar to the scissors shown in FIG. A different point is that a filling section is provided.
  • the scissors provided with the filling portion will be described with reference to the drawing of the first embodiment.
  • the shape and arrangement of the recess 4 in FIGS. 1, 3, 6, and 7 to 12 are not changed. It becomes the shape arrangement of the filling part.
  • This filling portion is filled with colored plastic as a lighter material than the main material, and is arranged at the same 1 mm width as the concave portion and at 3 mm intervals.
  • the method of manufacturing the scissors will be described with reference to the drawing of the first embodiment.
  • a stainless steel material is forged into a blade shape.
  • a recess 4 as shown in Figs.
  • the points are the same as the scissors of Example 1.
  • the semi-finished product 2 ′ in this state is filled with chromatic plastic, and after being cured, it is polished so as to have a final sectional shape K of the static blade.
  • a chromatic rhombic grid pattern shines on stainless steel ground, and the design is excellent.
  • the color-coded lines between stainless steel and color plastic appear clearly and clearly, and this is also an excellent design.
  • the stationary blade 3 appears to be colored.
  • the weight is increased by the filling portion compared to the scissors 1 shown in the first embodiment, since the plastic is lighter than stainless steel, the weight is reduced as compared with the conventional stainless scissors without the filling portion. ing. Furthermore, even if the filling portion 4 is shaved when the scissors 1 are polished, a new filling portion appears, so that the rhombic lattice pattern does not disappear.
  • the cross-sectional shape of the substantial concave portion provided from the blade surface may be tapered from the surface of the blade surface to the depth of the concave portion, may be reverse tapered, or the side wall facing the concave portion may have a tapered shape. It may be provided so as to be parallel.
  • a concave portion is provided by electric discharge machining, and at that time, the relative movement speed of the scissor material to be processed with respect to the electrode for electric discharge machining is increased, so that incomplete electric discharge machining is intentionally performed. There is a way to do it.
  • the filling section is not limited to the stationary blade 3 but may be provided on the moving blade 6.
  • the scissors can be colored or colored to an achromatic color or another metal color, and moreover, such colored colors can be realized as scissors that do not lose their color even by polishing.
  • the material to be filled is not limited to plastic, but may be copper, brass, or any other metal material having a distinctive color difference from stainless steel. Further, these plural types may be mixed and used.
  • Scissors 11 shown in FIG. 13 are composed of two stainless steel blades 12 and 12 pivotally connected to each other, and penetrate from the blade surface of blade 12 to the back of the blade.
  • the scissors 11 have a large number of holes 13a, 13a, ....
  • the peripheral shape of the hole 13 a penetrating through the blade 12 is formed in a square pattern shape that resembles a cross, and such a hole 13 a extends approximately at the center of the width of the blade 2. They are arranged in a serial pattern from the base end to the tip.
  • the shape of the hole is not limited to the above, and may be freely devised, and may be a shape such as a heart of a playing card, a thread, a diamond, a clover, or the like.
  • the scissors 11 having such two blades 12 pivotally connected thereto are reduced in weight by the stainless steel weight corresponding to the total volume corresponding to the space in the hole 13a.
  • the degree of weight reduction can be adjusted by increasing or decreasing the size and number of the holes 13a, allowing unauthorized floor adjustment of the weight reduction.
  • the holes 13a may be formed by punching, wire electric discharge machining, or laser machining. When drilling the hole 13a into the blade body material and then processing the front and back of the blade, the hole 3 can be easily drilled and the hole 13a can be cut. The opening is finished neatly. Of course, the cutting of the front and back of the blade may be performed first, and then the hole 13a may be provided in a transparent manner.
  • circular holes 13b are arranged in a series pattern similar to that described above, instead of the square pattern described above. The hole 1 3b is shown in Fig. 15 when viewed from the blade table.
  • the inner peripheral surface 14 has an inverted tapered shape, and the circular shape is reduced toward the cutting edge. At this time, the holes are formed so that the holes of the two blades overlap when the scissors are closed.
  • Fig. 16 shows circular holes 13c arranged in a straight line pattern close to each other. A small circle pattern 15 pressed and recessed is wrapped around the hole 13c. .
  • FIG. 17 shows a long and narrow hole 13 d penetrating from the base end to the tip of the blade body 12, and a wavy decorative shape is applied to the periphery of the hole 13 d.
  • the hole is formed in an inversely tapered shape when viewed from the front side of the blade.
  • a border pattern 6 by a press is applied around the hole.
  • the holes 13 d are respectively provided through the two blades 2, 2 so that the two holes overlap when the scissors are closed.
  • FIG. 18 shows that an oval hole 13 e is provided in the longitudinal direction of the blade body 12, and a filling portion 17 made of plastic lighter than the material of the blade body is provided in this hole. It is iron.
  • the hole 13 e is provided with a ridge on its inner peripheral surface to prevent the filling portion 17 from detaching from the hole 13 e.
  • the hole 13 e surrounding the projection 18 is penetrated through the blade material, and after the plastic material is filled, the blade surface and the back of the blade are processed. Blade body is obtained.
  • Fig. 20 shows a rib 18 in which a protruding ridge 18 is provided on the inner peripheral surface of an elongated hole 13f provided in the blade body 2 and which is bridged over the hole 3f. 19 (Fig. 21), and the hole 3f is filled with plastic filling 17 (Fig. 22).
  • the rib 19 and the ridge 18 are embedded in the plastic. It has become.
  • windows 21, 21,... Penetrated at the positions of the holes of the blade material 20 are provided, and at that time, a boundary 2 2 between the windows 21 is provided.
  • the windows 21 are arranged so that the ribs become ribs.
  • the present invention is not limited to the above embodiment, and the shape, size, and arrangement of the concave portions and the hole portions may be freely determined. There is no limitation on the manufacturing method, and any method may be used.
  • the filling material is not limited to plastic, but may be glass fiber, aluminum, bakelite, or any other material.
  • the filling material and its color are not limited to one type, and several types may be mixed in one scissor.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Scissors And Nippers (AREA)

Abstract

L'invention concerne des ciseaux pouvant présenter un poids réduit, le niveau de réduction du poids pouvant être ajusté lorsque la réduction de poids est effectuée, présentant des motifs formés par la réduction de poids elle-même ou étant colorés, et gardant les motifs et la coloration même après le polissage. Les lames des ciseaux présentent des creux ou des trous, ou les trous et les creux sont remplis d'un matériau de remplissage tel qu'un plastique par exemple, plus léger que le matériau principal des ciseaux. Le matériau de remplissage possédant une couleur différente de celle du matériau principal, il permet de donner aux ciseaux des couleurs variées.
PCT/JP2000/001981 2000-03-29 2000-03-29 Ciseaux WO2001072480A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020027012931A KR20020089417A (ko) 2000-03-29 2000-03-29 가위
EP00912939A EP1270153A4 (fr) 2000-03-29 2000-03-29 Ciseaux
CN00819389.4A CN1452538A (zh) 2000-03-29 2000-03-29 剪刀
PCT/JP2000/001981 WO2001072480A1 (fr) 2000-03-29 2000-03-29 Ciseaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/001981 WO2001072480A1 (fr) 2000-03-29 2000-03-29 Ciseaux

Publications (2)

Publication Number Publication Date
WO2001072480A1 true WO2001072480A1 (fr) 2001-10-04
WO2001072480A8 WO2001072480A8 (fr) 2002-12-12

Family

ID=11735850

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/001981 WO2001072480A1 (fr) 2000-03-29 2000-03-29 Ciseaux

Country Status (4)

Country Link
EP (1) EP1270153A4 (fr)
KR (1) KR20020089417A (fr)
CN (1) CN1452538A (fr)
WO (1) WO2001072480A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6665939B1 (en) * 2000-10-06 2003-12-23 Hidemi Adachi Scissors with hole parts
WO2007089631A2 (fr) * 2006-01-26 2007-08-09 East Carolina University Ciseaux medicaux adaptes pour des operations chirurgicales de césarienne et procedes relatifs

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6398172U (fr) * 1986-12-17 1988-06-25
JPH01101801U (fr) * 1987-12-25 1989-07-10
JPH0231701U (fr) * 1988-08-22 1990-02-28
JPH0395201U (fr) * 1990-01-18 1991-09-27
JPH09285221A (ja) * 1996-04-21 1997-11-04 Hayashi Zouen:Kk 軽量穴あき刈り込み鋏

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE659756C (de) * 1935-02-14 1938-05-09 Roemmler Akt Ges H Schere
DE889420C (de) * 1951-05-26 1953-09-10 Wilhelm Goeke Handschere
JPS5239552Y2 (fr) * 1972-08-11 1977-09-07
DE3411855C2 (de) * 1984-03-30 1986-04-03 Fritz Bracht GmbH, 5650 Solingen Verwendung einer schmiedbaren Titanlegierung zur Herstellung von Schneide und Gegenschneide aufweisenden Trennwerkzeugen
GB8913543D0 (en) * 1989-06-13 1989-08-02 Burntstone Ceramic Limited Cutting blade and device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6398172U (fr) * 1986-12-17 1988-06-25
JPH01101801U (fr) * 1987-12-25 1989-07-10
JPH0231701U (fr) * 1988-08-22 1990-02-28
JPH0395201U (fr) * 1990-01-18 1991-09-27
JPH09285221A (ja) * 1996-04-21 1997-11-04 Hayashi Zouen:Kk 軽量穴あき刈り込み鋏

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1270153A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6665939B1 (en) * 2000-10-06 2003-12-23 Hidemi Adachi Scissors with hole parts
WO2007089631A2 (fr) * 2006-01-26 2007-08-09 East Carolina University Ciseaux medicaux adaptes pour des operations chirurgicales de césarienne et procedes relatifs
WO2007089631A3 (fr) * 2006-01-26 2007-12-13 Univ East Carolina Ciseaux medicaux adaptes pour des operations chirurgicales de césarienne et procedes relatifs

Also Published As

Publication number Publication date
CN1452538A (zh) 2003-10-29
KR20020089417A (ko) 2002-11-29
EP1270153A1 (fr) 2003-01-02
EP1270153A4 (fr) 2003-07-23
WO2001072480A8 (fr) 2002-12-12

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