CN101808783A - Razor and its manufacturing method - Google Patents
Razor and its manufacturing method Download PDFInfo
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- CN101808783A CN101808783A CN200880104700A CN200880104700A CN101808783A CN 101808783 A CN101808783 A CN 101808783A CN 200880104700 A CN200880104700 A CN 200880104700A CN 200880104700 A CN200880104700 A CN 200880104700A CN 101808783 A CN101808783 A CN 101808783A
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- knife
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- 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
- B26B21/08—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 involving changeable blades
- B26B21/10—Safety razors with one or more blades arranged longitudinally to the handle
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Abstract
Provided are a razor tool capable of making it hard for a coating layer to leave a body layer of a safety guard even after a long time of use thereby to keep a satisfactory using feel for a long time, and a method for manufacturing the razor tool. The razor tool has such a safety guard mounted on a blade attached to the leading end portion of a grip as includes a slit for exposing the edge of the blade at a predetermined interval, and a bridge for covering the edge at a plurality of portions. The safety guard has a four-layered structure including at least a safety guard body layer, an intermediate coating layer coating the body layer, an outer coating polymer layer coating the intermediate coating layer, a heat-bonding layer for heat-bonding the intermediate coating layer and the outer coating polymer layer. On the other hand, the razor tool is manufactured by using the safety guard of the four-layered structure which heat-bonded those individual layers at a temperature of 50 DEG C or higher.
Description
Technical field
The present invention relates to razor and manufacture method thereof.
Background technology
In recent years, the suitable razor (patent documentation 1 to 5) that uses has been proposed mainly when the women shaves facial fine hair or finishing open wiring etc.
The expression of Fig. 1 summary model utility ground is as the outward appearance of the representative example of such razor.
This razor 1 is made of the blade 3 that is used for supplying user's handle of a knife dominated by hand 2 and being installed on the leading section of handle of a knife 2.The part of blade 3, about part of about 2/3 to 3/4 of its width is embedded in the leading section of handle of a knife 2 (generally being formed by synthetic resin).
Usually; at such razor 1; even for the user can not hurt skin at operation razor 1 on the direction of this point of a knife 3a mistakenly when point of a knife 3a is still contacted skin, on point of a knife 3a, be installed with the member that is known as safeguard protection part 4 yet, thereby constitute razor 1.
This safeguard protection part 4 is as Fig. 1 and shown in Figure 3; form on the laminal stainless steel substrates 5 having the length of lacking than the length dimension of point of a knife 3a; with form a plurality of in transverse width side the mode of upwardly extending elongated bridge part (bridge) 7, alongst Punching Technology and constitute a plurality of groovings 6.
When this safeguard protection part 4 is fixedly installed in point of a knife 3a; for example shown in Figure 3; stainless steel substrates 5 is bent at transverse width direction pars intermedia; so that the mode that the leading section 3b of point of a knife 3a exposes is covered in point of a knife 3a, the both ends spot welding of the transverse width direction of stainless steel substrates 5 is installed on the two sides of blade 3.
The safeguard protection part of such razor as shown in Figure 1 to Figure 3, the grooving 6 that is formed at safeguard protection part 4 generally is by forming being parallel to the ring-type slotted hole that both sides with the part of the direction of point of a knife direction quadrature possess the circular arc of semicircle shape.And, its size, for example, the width A of longitudinally grooving 6, that be parallel to stainless steel substrates 5 forms about 0.5 to 6mm, and the width B that is in adjacent grooving 6,6 bridge part 7 each other forms about about 0.1 to 0.5mm.
Like this, safeguard protection part 4 prevents the horizontal slip of point of a knife 3a by each bridge part 7.In addition, the leading section 3b of point of a knife 3a is not covered by safeguard protection part 4 but exposes, and by using the leading section 3b of this point of a knife 3a, thereby can carry out the such careful operation of one one ground finishing open wiring.
Because the existence of this safeguard protection part; the user; even touch under the such situation of skin at cutter; also can be with the sense of feeling at ease to use razor, can will concentrate in the finishing eyebrow line of various use razors such as the part of employed blade and/or contact method and/or the operation itself of removing fine hair with the sense of security.
But,, require a kind of razor that can bring safer use for the young woman who makes the use that relatively is bad at razor waits and can use more securely.
Especially; constitute the raw material of safeguard protection part 4; except making the original function of its performance as razor; more than the area that also needs to make point of a knife 3a expose a certain degree significantly; so as Fig. 2, shown in Figure 3; the bridge part 7 of safeguard protection part 4 exists with very little spacing and with the very narrow state of width; and be being set as under the roughly folding fully state and use, so the bridge part 7 of safeguard protection part 4 all requires excellent in te pins of durability aspect various in the bending of the middle body of this bridge part 7.
For example, importantly, even under situation about using for a long time, the cover layer of the body layer of safeguard protection part etc. also can not peeled off anti-fissility excellence from the body layer of safeguard protection part.That is,, then can not expect to obtain the sharp keen capillary effect fruit of shaving, be difficult to carry out the hair of shaving as the user thought if produce such peeling off.Its reason is, the cover layer of being stripped from covers point of a knife 3a, and the part of exposing of point of a knife 3a reduced; Perhaps overburden stripping and being present on bridge part 7, the grooving 6 makes point of a knife 3a not contact well with skin, owing to these reasons cause shaving hair well thus.
Especially; this anti-fissility is between the layer of the main body that constitutes the safeguard protection part and this main body of covering or the layer that covers waits the problem that produces each other; the requirement good fluid-tight engagement that each layer can simply do not peeled off each other at these, but also require good at the aspects such as bending process, hear resistance, heatproof water-based, detergent resistance and reusability of each layer.
In addition, on the other hand, feature as such razor, even it is used in eyes look up or look down, approaching eye focus such as side-looking is difficult to focus and position that require more meticulous action, perhaps, concentrate in sight line and to reflect under the situation of shaving mao position etc. of minute surface, and then when using in darker toilet etc. under these behaviours in service, the user also can suitably recognize the position of the existence of knife face/point of a knife of razor and knife face/point of a knife and/or direction etc., thus, the razor that also requires realization more safely to use.
In view of this point; present inventors etc. have proposed a kind of razor earlier; it is the razor that the safeguard protection part is installed at the blade of the leading section that is installed on handle of a knife; this safeguard protection part has grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions; this razor is characterised in that; this safeguard protection part forms by being colored as colored material; in addition as the manufacture method of this razor; a kind of like this manufacture method of razor is provided; wherein; on the stainless steel substrates of precoating color or aluminium flake, carry out Punching Technology and form grooving, then
(a) with this sheet in the bending of the transverse width direction pars intermedia of this sheet, make it be embedded in point of a knife to cover the point of a knife mode near from the leading section to the base end part, fixedly mount by spot welding method then; Perhaps
(b) in a side engagement of the width that makes this sheet by spot welding after point of a knife is one-sided, this stainless steel substrates or aluminium flake in the transverse width direction pars intermedia bending of this sheet, are fixedly installed in point of a knife with opposite side by spot welding method;
And then this blade is installed on handle of a knife (special be willing to 2006-191481 number).
This razor is the razor of excellence aspect above-mentioned security; but the stainless steel substrates of precoating color or the color layer of aluminium flake; because this color layer of the part of bearing the Punching Technology of grooving and/or contacting with electrode when spot welding is stripped from; cause the end face of this color layer to expose; and when using this razor; apply the power that this color layer will be peeled off from the body layer of safeguard protection part, worry can be peeled off this color layer from the body layer of this safeguard protection part thus.In addition; with the central portion bending of the stainless steel substrates of precoating color or aluminium flake and the safeguard protection part is installed on blade; also become this color layer easily in this bending part and/or near peel off it main cause; end face with color layer exposes this main cause in die-cut grade of a plurality of groovings, causes people to exist color layer to peel off this worry easily.
And in case color layer is peeled off, then the visual identity based on the razor point of a knife of this color layer effect thickens, can lose the security effect and/or the good mao comfort of shaving of expection, because the color layer of having peeled off twines in point of a knife etc., also can lose the sharp keen feel of wool of shaving, and is therefore preferred.
And then; present inventors etc. are in view of this point; a kind of razor has been proposed earlier; this razor is equipped with the safeguard protection part at the blade of the leading section that is installed on handle of a knife; this safeguard protection part has grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions; wherein: this safeguard protection part is by having safeguard protection part body layer; at least 3 layers of structure formation that cover the intermediate cover layer of this body layer and cover the outer overlie polymer layer of this intermediate cover layer, and this intermediate cover layer is colored as colored floor (special hope 2007-111845 number) with any one party or the both sides be somebody's turn to do in the outer overlie polymer floor.
But, aspect the razor in this motion, the anti-fissility when the bridge part that makes the safeguard protection part is thinner, also leave room for improvement.
Patent documentation 1: the spy of Japan opens the 2000-300567 communique
Patent documentation 2: the spy of Japan opens the 2000-14945 communique
Patent documentation 3: the spy of Japan opens the 2001-129273 communique
Patent documentation 4: the spy of Japan opens the 2007-75496 communique
Patent documentation 5: the spy of Japan opens the 2007-75497 communique
Summary of the invention
The razor of good usability also can not peeled off, can keep for a long time to purpose of the present invention even be simply in view of above-mentioned aspect provides a kind of service time cover layer very long, the safeguard protection part from its body layer.
In addition, even other purpose of the present invention is to provide a kind of young woman who relatively is bad at the use of razor to wait, also can feel and the razor that uses safely with stronger feeling at ease; Following razor and the method for making such razor especially is provided, this razor, even eyes look up or look down, the use under looking of naked eyes that the approaching focus of side-looking etc. is not focused, perhaps concentrate on and reflect under the situation of shaving mao position etc. of minute surface in sight line, can suitably recognize the position of the existence of knife face/point of a knife of razor and knife face/point of a knife and/or direction etc., these can help safer use, and can carry out such use for a long time.
Reach the structure formation of the razor of the present invention of above-mentioned purpose by following (1).
(1) a kind of razor; this razor is equipped with the safeguard protection part at the blade of the leading section that is installed on handle of a knife; this safeguard protection part has grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions, and it is characterized in that: described safeguard protection part comprises: safeguard protection part body layer, cover this body layer intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer and to this intermediate cover layer with should outer overlie polymer layer carry out at least 4 layers of structure of the thermal adhesive layer of heat bonding.
In addition, in this razor of the present invention, more particularly, preferably has any described formation in following (2)～(8).
(2) above-mentioned (1) razor of being put down in writing, it is characterized in that: the thickness of described safeguard protection part is in the scope of 10 μ m～250 μ m, and the thickness of thermal adhesive layer is in the scope of 1～100 μ m.
(3) above-mentioned (1) razor of being put down in writing, it is characterized in that: described thermal adhesive layer is the thermoplastic polymer with the softening point more than 50 ℃.
(4) above-mentioned (1) razor of being put down in writing is characterized in that: described thermoplastic polymer is polyester system, acrylic acid series, ethylene/acetic acid vinyl esters system or thermoplastic polyurethane based polymer.
(5) above-mentioned (1) razor of being put down in writing is characterized in that: the layer that described outer overlie polymer layer constitutes for the film by biaxial stretch-formed PETG.
(6) above-mentioned (1) razor of being put down in writing is characterized in that: described intermediate cover layer is dyed layer with any one party or both sides in the outer overlie polymer layer that covers this intermediate cover layer.
(7) above-mentioned (6) razor of being put down in writing is characterized in that: described intermediate cover layer is colored as colored dyed layer with any one party or both sides in the outer overlie polymer layer that covers this intermediate cover layer.
(8) above-mentioned (1) razor of being put down in writing; it is characterized in that: the described intermediate cover layer that forms safeguard protection part body layer, covers this body layer, covering the outer overlie polymer layer of this intermediate cover layer and with the safeguard protection part of this intermediate cover layer with at least 4 layers of structure of thermal adhesive layer that should outer overlie polymer layer heat bonding, is safeguard protection part body layer by will the band intermediate cover layer under heating condition and stacked formation of outer overlie polymer of being with thermal adhesive layer.
In addition, the manufacture method of reaching the razor of the present invention of above-mentioned purpose comprises the formation of following (9).
(9) a kind of manufacture method of razor; it is characterized in that: the safeguard protection part with the grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions is installed and when making razor at the blade of the leading section that is installed on handle of a knife, is used the intermediate cover layer that comprises safeguard protection part body layer, covers this body layer, the outer overlie polymer layer that covers this intermediate cover layer and this intermediate cover layer and the safeguard protection part of 4 layers of structure of thermal adhesive layer that should outer overlie polymer layer heat bonding are installed with the temperature more than 50 ℃.
In addition, in the manufacture method of this razor of the present invention, more particularly, preferably has any described formation in following (10)～(14).
(10) manufacture method of above-mentioned (9) razor of being put down in writing is characterized in that: as described outer overlie polymer layer and described thermal adhesive layer, use the layer that forms as the outer overlie polymer layer of band thermal adhesive layer.
(11) manufacture method of above-mentioned (9) razor of being put down in writing is characterized in that: as described intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer, use wherein any one party or both sides to be the layer of dyed layer.
(12) manufacture method of above-mentioned (11) razor of being put down in writing is characterized in that: as described dyed layer, use to be colored as colored layer.
(13) a kind of manufacture method of making the razor of above-mentioned (1) being put down in writing, by as the body layer of stainless steel substrates or aluminium flake, cover this body layer intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer and this intermediate cover layer and at least 4 layers of structure that should outer overlie polymer layer carry out the thermal adhesive layer of heat bonding are constituted and with described intermediate cover layer and described outside any one party of overlie polymer layer or both sides be colored as the die-cut grooving that processes on the colored film of colour, then
(a) with this colored film in the bending of the transverse width direction pars intermedia of this colored film, make this colored film be embedded in point of a knife near the mode that covers point of a knife from the leading section to the base end part, fix by spot welding then and install as the safeguard protection part; Perhaps
(b) by dot welding method that one side engagement of the width of this colored film is one-sided in point of a knife, then with the transverse width direction pars intermedia bending of this stainless steel substrates or aluminium flake, opposite side is fixed in point of a knife by spot welding and installs as the safeguard protection part at this sheet;
And then this blade is installed on handle of a knife.
(14) a kind of manufacture method of making the razor of above-mentioned (1) being put down in writing, by as the body layer of stainless steel substrates or aluminium flake, cover this body layer intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer and this intermediate cover layer and at least 4 layers of structure that should outer overlie polymer layer carry out the thermal adhesive layer of heat bonding are constituted and with described intermediate cover layer and described outside any one party of overlie polymer layer or both sides be colored as the die-cut grooving that processes on the colored film of colour, then
(a) with this colored film in the bending of the transverse width direction pars intermedia of this colored film, make this colored film is embedded in point of a knife near the mode that covers point of a knife from the leading section to the base end part, install as the safeguard protection part by adhesive securement then; Perhaps
(b) by dot welding method that one side engagement of the width of this colored film is one-sided in point of a knife, then this stainless steel substrates or aluminium flake are bent at the transverse width direction pars intermedia of this sheet, opposite side is installed as the safeguard protection part in point of a knife by adhesive securement;
And then this blade is installed on handle of a knife.
Razor of the present invention according to above-mentioned (1) is put down in writing has used for a long time even can provide, and also can not make its cover layer etc. peel off, can keep for a long time the razor of good usability simply from the body layer of safeguard protection part.Especially, by heat bonding, can be with for example firmly integrated in safeguard protection part main body as the outer overlie polymer layer of thin layer, durability is also very abundant, does not in fact produce so be considered as the problem such as peel off of the layer of problem in the past.
Thus, even under the situation of the painted safeguard protection part of the lit-par-lit structure that is made as multilayer usually, peeling off of each layer also is difficult to produce, and can bring into play the advantage of the razor with this painted safeguard protection part fully.
Any razor of the present invention of being put down in writing according in above-mentioned (2)～(5) can more clearly obtain the effect of the present invention that above-mentioned (1) is put down in writing.
The razor of being put down in writing according to above-mentioned (6) or (7) of the present invention, even a kind of young woman of the use that relatively is bad at razor etc. can be provided, also can feel with concrete and using safely and at razor also good aspect the design with stronger feeling at ease.Especially, a kind of razor can be provided, even eyes look up or look down, the use under looking of naked eyes that the approaching focus of side-looking etc. is not focused, perhaps concentrate on and reflect under the situation of shaving mao position etc. of minute surface in sight line, also can suitably recognize in real time the existence of the knife face/point of a knife of razor and position of knife face/point of a knife etc., the razor that can help thus, safer use.
Razor of the present invention according to above-mentioned (8) are put down in writing can constitute the razor with above-mentioned effect of the present invention simply.
Razor of the present invention in the above-mentioned structure, has especially used the razor of the safeguard protection part that has been colored, and compares with the razor of the non-staining safeguard protection part of use in the past, can access various concrete feature and advantage in use.For example, the characteristics that can be imbued with aesthetic feeling to razor, in use, the identification of position of tool tip is become easily, bring the security and the sense of feeling at ease to the user, in addition, according to color, can be as the sign (mark) of difference user, difference application target etc., especially in razor of the present invention, peeling off of colored dyed layer is difficult to produce, and uses so can present expected effect ground for a long time.
According to the manufacture method of any razor of the present invention of being put down in writing in above-mentioned (9)～(14), can engineering, operation well and the management of engineering, operation etc. also make above-mentioned razor of the present invention more simply.
Description of drawings
Fig. 1 is the side view of the general structure of the razor that also can adopt in the present invention in addition that in the past used of illustration.
Fig. 2 is the vertical view of a form example of the safeguard protection part in the other usefulness representing in the past the to use razor that also can adopt in the present invention, and illustration is installed on the state that is not bent before the razor.
Fig. 3 is the figure of the part of the razor that also can adopt in the present invention in addition representing in the past to use, is the side view that the safeguard protection part that illustration will be shown in Figure 3 bent, made it the state that covers point of a knife and be installed on point of a knife.
Fig. 4 amplifies expression summary ideograph as the part of the blade of the front end of razor of the present invention is installed.
Fig. 5 is the figure that the structure example of the safeguard protection part 4 that is used for razor of the present invention is described, Fig. 5 (a) is its vertical view, and Fig. 5 (b) is its front view.In addition, Fig. 5 (a) and (b) are represented 4 layers of rectangular safeguard protection part material piece 12 are carried out Punching Technology and sequentially built becomes the state of safeguard protection part 4.
Symbol description
1: razor 2: handle of a knife 3: blade
3a: point of a knife 3b: leading section 4: safeguard protection part
5: stainless steel substrates 6: grooving 7: bridge part
8: outer overlie polymer layer 9: intermediate cover layer
10: safeguard protection part body layer 11: thermal adhesive layer
12: 3 layers of rectangular safeguard protection part material piece 13: spot welding position
A: the width of the length direction that is parallel to stainless steel substrates 5 of grooving 6
B: the transverse width that is in grooving 6,6 bridge part 7 each other
C: the transverse width of grooving 6
W: the distance of the leading section position of the knife face side of the handle of a knife of the installation portion of blade (safeguard protection part portion) and the end position of groove
The specific embodiment
Below, in more detail razor of the present invention is described.
Razor of the present invention; with above-mentioned Fig. 1 to the razor of structure shown in Figure 3 similarly; blade 3 at the leading section that is installed on handle of a knife; be equipped with and have grooving 6 that the point of a knife 3a that makes this blade 3 exposes with predetermined space and the safeguard protection part 4 that covers the bridge part 7 of this point of a knife 3a at a plurality of positions; especially; it is characterized in that; this safeguard protection part 4 comprises, safeguard protection part body layer; cover the intermediate cover layer of this body layer; cover the outer overlie polymer layer of this intermediate cover layer and at least 4 layers of structure that this intermediate cover layer and this outer overlie polymer layer carried out the thermal adhesive layer of heat bonding.
Fig. 5 illustrates the structure example of safeguard protection part 4; Fig. 5 (a) is its vertical view; Fig. 5 (b) is its front view; on thickness direction, see; safeguard protection part 4 comprises, have safeguard protection part body layer 10, cover this body layer intermediate cover layer 9, cover the outer overlie polymer layer 8 of this intermediate cover layer and to this intermediate cover layer 9 and at least 4 layers of structure that should outer overlie polymer layer 8 carry out the thermal adhesive layer 11 of heat bonding.
Like this in razor of the present invention; especially by safeguard protection part 4 is made as safeguard protection part body layer 10, cover this body layer intermediate cover layer 9, cover the outer overlie polymer layer 8 of this intermediate cover layer and to this intermediate cover layer 9 and the thermal adhesive layer of should outer overlie polymer layer 8 carrying out heat bonding 11 these 4 layers; especially specially be provided with and play, can prevent energetically that thus each layer from peeling off middle cover layer 9 and the thermal adhesive layer 11 of should outer overlie polymer layer 8 carrying out the effect of heat bonding.
In addition; Fig. 5 (a) diagram is carried out Punching Technology to 4 layers of rectangular safeguard protection part material piece 12 and sequentially built becomes the state of safeguard protection part 4; in the terminal stage of Punching Technology, the part shown in the dotted line of Fig. 5 (a) is cut off, just obtained safeguard protection part 4 shown in Figure 2.
Usually; for the point of a knife 3a that this safeguard protection part 4 is installed; be non-staining; but by especially the safeguard protection part 4 that for example has the dyed layer that is colored as colour etc. being installed at this non-staining point of a knife 3a; thereby be not difficult to discern safeguard protection part 4 and even point of a knife 3a and safeguard protection part 4; can recognize the existence of safeguard protection part 4, carry out position and/or the relevant understanding of direction with point of a knife 3a naturally, can make the user feel easy use.
In the present invention, preferred, the thickness of safeguard protection part 4 is in the scope of 10 μ m～250 μ m, and the thickness of thermal adhesive layer is in the scope of 1～100 μ m.If the thickness of safeguard protection part is blocked up, then the power of point of a knife contact skin dies down, shave deeply (dark く shaves Ru) feel die down, not preferred.
Importantly, constitute the material of thermal adhesive layer 11, use can by heating with intermediate cover layer 9 and outer overlie polymer layer 8 bonding integrated and under the actual environment for use of razor, can not produce peel off and/or bloat, the material of problem such as shouting pain skin.In addition, constitute the material of thermal adhesive layer 11, be preferably, have the thermoplastic polymer of the softening point more than 50 ℃, specifically, be preferably, polyester system, acrylic acid series, ethylene/acetic acid vinyl esters system or thermoplastic polyurethane based polymer.
In the present invention, from considerations such as intensity aspects, outer overlie polymer layer 8 is preferably the layer of the film that comprises biaxial stretch-formed PETG.
Especially; in the present invention; safeguard protection part 4 comprises; has safeguard protection part body layer 10; cover the intermediate cover layer 9 of this body layer; cover the outer overlie polymer layer 8 of this intermediate cover layer and at least 4 layers of structure of thermal adhesive layer 11; and especially any one party or both sides in intermediate cover layer 9 and the outer overlie polymer layer 8 are formed dyed layer; compare by body layer 2 layers of situation that forms the safeguard protection part thicker thus with only with being covered with the chromatograph equal thickness; can make the thickness attenuation of each layer; its result; peeling force is difficult to effect; compare with the situation of 2 layers or 3 layers, dyed layer is difficult to peel off.
Especially; be used for safeguard protection part 4 of the present invention; as shown in Figure 5; be provided with a plurality of groovings 6; other 13 is to install by spot welding when safeguard protection part 4 is installed on point of a knife 3a; this moment contact electrode the position; and be the position that intermediate cover layer 9 and outer overlie polymer layer 8 all are stripped from; because the existence of these groovings 6 and the existence at spot welding position 13; the part that makes the end face of intermediate cover layer 9 and outer overlie polymer layer 8 expose is inevitable more; so the possibility of peeling off thus was just lower originally; be very difficult to peel off by being made as at least 4 layers of structure as mentioned above, just becoming.
In the present invention, the body layer of so-called safeguard protection part 4 refers to the layer of the primary structure member that forms this safeguard protection part, mainly is himself isostructure layer of the intensity that helps to keep this safeguard protection part, is formed by for example stainless steel substrates or aluminium flake etc.Perhaps, as long as can keep intensity and its structure, also can form by synthetic resin.
Preferably, outer overlie polymer layer 8 is film of synthetic resin layer or synthetic resin overlay, and is especially preferred from considerations such as intensity aspects, is the layer that comprises by the film of biaxial stretch-formed PETG.
In addition, preferred, intermediate cover layer 9 is film of synthetic resin layer or synthetic resin overlay.
The most concrete optimal way is that 4 layers of above-mentioned structure are to form by the safeguard protection part body layer 10 of stacked band intermediate cover layer 9 under heating condition and the outer overlie polymer layer 8 of band thermal adhesive layer 11.
Known to the present inventor, preferred, the thickness of safeguard protection part integral body is in the scope of 10 μ m～250 μ m, more preferably in the scope of 10 μ m～150 μ m, shaves mao comfort level and security in order to take into account, and most preferably is 10～100 μ m.In addition, the thickness of intermediate cover layer 9, outer overlie polymer layer 8 is respectively: intermediate cover layer 9 is in the scope of 4 μ m～100 μ m, more preferably 4～50 μ m.In addition, preferred, the thickness of outer overlie polymer layer 8 is in the scope of 2 μ m～100 μ m, more preferably 2～50 μ m.
Preferably, the thickness of thermal adhesive layer 11 is in the scope of 1 μ m～100 μ m, and more preferably 2～75 μ m most preferably are 2～25 μ m.
The formation method of thermal adhesive layer, for example as long as form desirable thickness on the outer cover before stacked, specifically, can be coated with and make it dry or, a layer heating transfer that is formed on the processing release paper waited form thermal adhesive layer in appropriate solvent by thermal adhesive layer being formed material dissolves this its melt extruded.Perhaps, also can be formed on the intermediate cover layer by same method.Wherein, observe from the manufacturing process of integral body, preferred, thermal adhesive layer is formed on the outer cover, and is made as band thermal adhesive layer outer cover.
Be preferably, thermal adhesive layer is made as, when carrying out caking, can make it softening by the heating more than 50 ℃ and the thermal adhesive layer of caking.More preferably, for making it softening and bonding thermal adhesive layer by the heating more than 70 ℃, most preferably, for making it softening and bonding thermal adhesive layer by the heating more than 140 ℃.
In intermediate cover layer 9, when outer overlie polymer layer 8 is formed by synthetic resin respectively, employed various synthetic resin since can using in the past, for example, preferably use various resin materials such as thermosetting acrylic resin, thermoplastic acrylic resin, mylar or polyurethane resin.In addition, razor of the present invention is using to use up promptly the sensation of throwing to a certain extent, thus also preferably use biodegradable resin such as polylactic resin, for handle of a knife too.
The manufacture method that regards to razor of the present invention down describes.
Promptly; razor of the present invention is not particularly limited; for example at the blade of the leading section that is installed on handle of a knife; installation has the safeguard protection part of grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions and when making razor, can be by using by safeguard protection part body layer; cover the intermediate cover layer of this body layer; cover the outer overlie polymer layer of this intermediate cover layer and this intermediate cover layer and the safeguard protection parts of 4 layers of structure formation of the thermal adhesive layer of should outer overlie polymer layer carrying out heat bonding are installed and made with the temperature more than 50 ℃.
In the manufacture method of this razor of the present invention, preferred, as outer overlie polymer layer and thermal adhesive layer, use the layer that forms as the outer overlie polymer layer of being with thermal adhesive layer.
In addition, preferred, as intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer, wherein any one party or both sides use dyed layer.And, at this moment, more preferably,, use to be colored as colored layer as dyed layer.
As more specifically and representational example, the manufacture method of above-mentioned razor of the present invention is preferably following method.
Promptly, the die-cut grooving that processes on colored film, this colored film by as the body layer of stainless steel substrates or aluminium flake, cover this body layer intermediate cover layer, cover this intermediate cover layer outer overlie polymer layer and to this intermediate cover layer and at least 4 layers of structure that should outer overlie polymer layer carry out the thermal adhesive layer of heat bonding constitute and described intermediate cover layer and described outer overlie polymer layer in any one party or both sides be colored as colour, then
(a) the transverse width direction pars intermedia at this colored film bends this colored film, makes it be embedded in point of a knife near the mode that covers point of a knife from the leading section to the base end part, installs as the safeguard protection part by spot welding or adhesive securement then; Perhaps
(b) by dot welding method that one side engagement of the width of this colored film is one-sided in point of a knife, then this stainless steel substrates or aluminium flake are bent at the transverse width direction pars intermedia of this sheet, opposite side is installed as the safeguard protection part in point of a knife by spot welding or adhesive securement;
And then this blade is installed on handle of a knife.
Colored film before the Punching Technology of carrying out grooving is not particularly limited, and OBL 4 layers about the width 4～8mm * length 20～40mm that cuts out but preferred use cooperates the size of safeguard protection part are coated with color stainless steel substrates or are coated with color aluminium flake etc.
In addition, intermediate cover layer and outer overlie polymer layer will be in the time will being installed on point of a knife by the colored film that 4 layers of structure that comprise them constitute, need carry out bending process, so as these materials, importantly be suitable for bending process, also have the intermediate cover layer and the fluid-tight engagement at the stainless steel-based end good.
In addition; this safeguard protection part also uses as a part of constituent material of razor; so the body layer material of this safeguard protection part and intermediate cover layer and outside in the material of overlie polymer layer, preferred, use material with resistances to chemical reagents such as resistance to water, detergent resistances.
And then razor is to a certain degree reusable for a long time, and in addition, the necessity according on preserving preferably has many characteristics such as against weather, durability, moisture-proof, hear resistance.
Be not particularly limited carrying out painted " look ", but consider, be preferably colour from the easiness of identification.Achromatic identity such as black or grey is relatively poor, so not preferred, these two kinds of colors are as painted color.
Pigment to painted usefulness is not particularly limited, and known to the present inventor, uses bright bright-coloured form and aspect, for example redness, pink colour, green, yellow, blueness, water colour or purple etc., and visual identity is good, thereby preferably.
The thickness of safeguard protection part be we can say thick more safe more, but from making the viewpoint of point of a knife effect, if too thick then shave a mao degradation; so known to the present inventor; as mentioned above, be preferably the scope of 10 μ m～250 μ m, more preferably in the scope of 30 μ m～150 μ m.
In addition, the transverse width B of the width A of the length direction that is parallel to stainless steel substrates 5 of grooving 6 shown in Figure 2, adjacent grooving 6,6 bridge part 7 each other, respectively with in the past identical the getting final product of value, preferred, the former A is in the scope of about 0.5～6mm.Preferably, latter B forms about about 0.1～3mm, and more preferably 0.1～1.5mm most preferably is 0.3～1.5mm.
Known to present inventors, for example, specifically, on the stainless steel substrates (body layer) of the SUS301 of thickness 50 μ m, covering the thick epoxy of coating 2 μ m is silane coupling agent (silane coupling agent), and thereon, cover the thick blue top coat (intermediate cover layer) that constitutes by polyester based resin of coating 13 μ m, and then, the polyester film (outer overlie polymer layer) of the stacked thickness 30 μ m that are coated with bond layer (5 μ m are thick) and the whole thickness that constitutes forms the painted precoating stainless steel substrates of about 100 μ m, use this painted precoating stainless steel substrates, it has above-mentioned various characteristics, and because bending process and to produce the phenomenon of be full of cracks at kink also less, good with the fluid-tight engagement at the stainless steel-based end of point of a knife in addition, so preferred.
And then, more particularly, preferred: the structure example of stainless steel (body layer)/priming coat/application pigmented finiss layer (intermediate cover layer)/bond layer/polymer film layer (outer overlie polymer layer) etc.
At this moment, importantly, intermediate cover layer constitutes the transverse width C that covers grooving shown in Figure 5 in fact with outer overlie polymer layer.Preferably, the transverse width of grooving is 2.0～3.6mm, more preferably in the scope of 2.4～3.6mm.And, preferred, as the width of the film of outer overlie polymer layer, on the transverse width of groove (one-sided) add in the scope that 0.1～5.0mm get, more preferably, on the transverse width of groove (one-sided) add 0.3～3.0mm and must scope in.Especially, shown in Fig. 5 (b), can spread all over as the whole width of the raw-material rectangular thin slice 12 of safeguard protection part and be provided with as the film of outer overlie polymer layer 8 or coating layer, also can be only at the whole width of safeguard protection part 4 and be provided with.
In order to make safeguard protection part and point of a knife after the bending integrated, preferred, realize by various welding methods or various adhering method, especially preferably engage and realize by dot welding method or bonding agent.
As this dot welding method; for example; the covering that is formed by described priming coat, intermediate cover layer, bond layer, outer overlie polymer layer at position that should spot welding for example can be peeled off partly; and form toroidal about diameter 3mm etc.; then; on one side be that electrode about 2～3mm is from the two sides crimping of the safeguard protection part of peeling off that carried out this covering with the diameter on top; with the needed time of the welding about 0.01～several seconds this electrode is fed welding current on one side, thus blade is welded to one another and engages with the metal mother metal of safeguard protection part.
As bonding agent, can use thermal bonding acrylic adhesive etc.
In addition; known to present inventor various; particularly; when using painted safeguard protection part; can bring into play consequent effect more significantly; and can have certain above width ground with the safeguard protection part and in the mode that its length direction all exposes continuously the safeguard protection part is embedded in handle of a knife, this is preferred.
Fig. 4 illustrates this situation; be to amplify the summary ideograph of expression as the mounting portion of the blade of the leading section of razor of the present invention; preferably; the distance W of the end position of the leading section position of the knife face side of the handle of a knife on the installation portion of the blade shown in this figure (safeguard protection part portion) and grooving is made as 0.1mm～2.5mm; more preferably be made as 0.3mm～1.5mm, painted safeguard protection part is exposed.
In addition, not in the time of to make it integrated by welding but by the adhering method that uses bonding agent, preferably various bonding agents are coated the back side of stainless steel substrates, at first make one-sided joint, then, carry out the bonding integrated processing of bending process and opposite side, heat as required then make it the sclerosis and install.
Material as the body layer of safeguard protection part except the thin plate sheet of above-mentioned stainless steel, aluminum, can also use the cable (wire) of sheet metal, stainless steel or aluminium etc.In addition, except metal material, for example also can use synthetic resin materials such as synthetic resin sheet such as plastic sheeting and/or molding synthetic resin body.
In addition, the handle of a knife that blade is installed is not particularly limited, but preferably uses plastic.The part of this handle of a knife has the part that covers blade usually, and then has the part that covers the safeguard protection part, so in order not cover the color of this safeguard protection part part, thereby form thing by the resin that uses translucent or transparent synthetic resin and constitute etc.But,, also can form handle of a knife by the shaping thing of opaque synthetic resin in order to obtain the easiness of better design effect and/or visual identity.
And then; constitute the resin forming article of this handle of a knife; no matter being to use translucent or transparent synthetic resin still is opaque synthetic resin; can be painted; especially; using as the safeguard protection part under the situation of colored material, preferred, constitute this handle of a knife by having with the resin forming article of the higher color of colour system and brightness with this colored color.
When the integral colouring of razor is colour, can play the design effect that produces by color, and when locating to use, when from collecting articles such as cosmetic case, taking out this razor in throw light on darker toilet and/or bathroom etc., its present position can be easily discerned, the raising of the security/processing property that is produced by easy identification present position can be brought.
Embodiment
Below, based on embodiment, the concrete structure/effect of razor of the present invention is described.
In addition, in the present invention, softening point is to obtain by following method.
(1) assay method of softening point:
Softening point is to measure by the assay method of dimension card (Vicat) softening temperature of JIS K 7206 defineds.
(2) fluid-tight engagement test:
For fluid-tight engagement, measure by transverse cuts (cross cut) method (so-called staggered scribe test) of JIS K5600-5-6 defined.
Covering the thick epoxy of 2 μ m at the single face as the stainless steel substrates of the SUS301 of thickness 50 μ m, the width 19 μ m of the body layer of safeguard protection part is silane coupling agent (silane coupling agent); and thereon; cover the yellow precoating top coat that constitutes by acrylic resin of dry thickness 15 μ m; under 230 ℃, heated for 90 seconds and make it sclerosis, obtain the precoating stainless steel substrates that whole thickness forms the yellow intermediate cover layer of band of about 67 μ m.
On the other hand, the Biaxially oriented polyester film (thickness 12 μ m) of acrylic acid series copolymer resin that is coated with 70 ℃ of the softening points of thickness 3 μ m is made as the outer cover film of band thermal adhesive layer.
They are stacked with the stacked speed that 5m/ divides under 140 ℃ of heating-up temperatures, obtain the hot sticky yellow precoating stainless steel that is connected to polyester film.
The result of staggered scribe test, the film of this material and the fluid-tight engagement of yellow intermediate cover layer are 100/100, are qualified level, bending process is very good.
This yellow precoating stainless steel is carried out Punching Technology, and form grooving shape shown in Figure 5, the covering at 4 positions that should spot welding is peeled off and is removed and form the toroidal of diameter 2.5mm, non-coverage rate side is made as the inboard and, this thin slice is covered in point of a knife and is welded to point of a knife in central authorities' bending of width.
The manufacturing process applicability that Punching Technology, some welding hole are peeled off processability, bending process, spot weldability etc. is no problem, very abundant.
Resulting band safeguard protection part blade installed and be fixed in handle of a knife by transparent resin forming.
The jury that constitutes by 5 young woman, the light ratio of toilet more generally and dark slightly toilet use the razor of the present invention that obtains like this to remove the fine hair of plucking eyebrows and removing eyebrow, around eyes.
To the inquiry of 5 juries separately for the thoughts of the usability of razor; the usability of razor of the present invention is: confirm position of tool tip in operation easily; the use that is bad at cutter also has no relations; also can use safely; the skin feel of razor and/or the slip sense on the skin surface are better in addition; reusable durability is also fine, and does not have generation fully by reusing tectal the peeling off of safeguard protection part that is caused.
Use the precoating stainless steel substrates of the yellow intermediate cover layer of band that is made into similarly to Example 1.
On the other hand, the Biaxially oriented polyester film (thickness 9 μ m) of TPU that is coated with 100 ℃ of the softening points of thickness 2 μ m is made as the outer cover film of band thermal adhesive layer.
They are stacked with the stacked speed that 5m/ divides under 140 ℃ of heated rollers temperature, obtain the hot sticky yellow precoating stainless steel that is connected to polyester film.
The result of staggered scribe test, the film of this material and the fluid-tight engagement of yellow intermediate cover layer are 100/100, are qualified level, bending process is very good.
By being made into the razor of band safeguard protection part with the same technology of embodiment.No problem on manufacturing process, technology applicability excellence.Estimate the practicality of resulting razor similarly to Example 1, obtain same evaluation result.
Covering the thick epoxy of 3 μ m at the single face as the stainless steel substrates of the SUS301 of thickness 50 μ m, the width 19 μ m of the body layer of safeguard protection part is silane coupling agent; and thereon; cover the blue precoating top coat that constitutes by acrylic resin/melmac of dry thickness 15 μ m; under 210 ℃, heated for 120 seconds and make it sclerosis, obtain the precoating stainless steel substrates that whole thickness forms the blue intermediate cover layer of band of about 68 μ m.
On the other hand, with synthetic rubber is that hot sticky contact pin (thickness 50 μ m) (day eastern electrician (strain) system AS-11) is stacked with the speed that Biaxially oriented polyester film (thickness 12 μ m) (east beautiful (strain) system #12P025) divides with 5m/ under 140 ℃, obtains the hot sticky blue precoating stainless steel that is connected to polyester film.
The fluid-tight engagement of this material and bending process excellence.By technology similarly to Example 1 it is processed the razor that obtains with the safeguard protection part.
The practical excellent of this razor does not have problems fully.
As the safeguard protection part; use the polyester film of band thermal bonding bond layer to cover the precoating stainless steel substrates; the polyester film of this band thermal bonding bond layer covers the precoating stainless steel substrates and obtains like this: covering the thick epoxy of 2 μ m at the single face of thickness 50 μ m stainless steel substrates is silane coupling agent; and thereon; cover the yellow top coat that constitutes by polyester based resin of dry thickness 15 μ m; obtain the yellow precoating stainless steel substrates of length 30mm * width 19mm that whole thickness forms about 67 μ m, and the thermal bonding thermoplastic polyurethane that covers 80 ℃ of softening points thereon is a bond layer.
Biaxially oriented polyester film (thickness 12 μ m) (aggregate thickness 22 μ m) is heated pressurization make its bonding and yellow precoating stainless steel substrates under 140 ℃ heating-up temperature, obtain polyester film and cover yellow precoating stainless steel substrates.The toluene solution of coated heat cementability acrylic adhesive and make it dry and become the bond layer of thickness 5 μ m on the face of the side that is not capped of stainless steel substrates; it is carried out Punching Technology and makes grooving; the face that does not have cover film one side that this film is covered stainless steel substrates is made as the inboard; central authorities' bending at width; point of a knife at length 34mm covers the safeguard protection part that this film covers the precoating stainless steel substrates, heats down at 140 ℃ and carries out pressure welding and make it be fixedly installed in point of a knife.Be installed on resulting blade by the handle of a knife of transparent ester moulding and it is fixed.The manufacturing process applicabilities such as bending process of this film covering precoating stainless steel substrates are good.
Carry out the test of the razor of the present invention that obtains like this that undertaken by jury similarly to Example 1; obtain same good result; and then compare with the product of the safeguard protection part of making by precoating stainless steel substrates in the past; excellent with the sense of touch of skin and the sense of sliding; do not point out reusable shortcoming, its practical durability is abundant.
With the yellow precoating stainless steel substrates of the employed same thickness 50 μ m of embodiment 1 on the whole; the thermocompression bonding temperature that adds with 100 ℃ covers; be attached with the polyester film (film thickness 12 μ m) of the thermal bonding acrylic adhesive layer of 60 ℃ of the thick softening points of 3 μ m; carry out each technology in addition similarly to Example 1, just obtain having the razor of yellow color safeguard protection part.
Its manufacturing process applicability is good similarly to Example 1.In addition,, carry out the test of being undertaken by jury similarly to Example 1 and reuse test, obtain good result similarly to Example 1 for this razor.
With the yellow precoating stainless steel substrates of the employed same thickness 50 μ m of embodiment 1 on; to add thermocompression bonding stacked with 120 ℃ the thermocompression bonding temperature that add; be attached with the Biaxially oriented polyester film (film thickness 12 μ m) of the bond layer that the ethylene/acetic acid vinyl ester copolymer by 55 ℃ of softening points constitutes with the thickness of 10 μ m; carry out each technology in addition similarly to Example 1, just obtain having the razor of yellow color safeguard protection part.
Its manufacturing process applicability is good similarly to Example 1.In addition,, carry out the test of being undertaken by jury similarly to Example 1 and reuse test, obtain good result similarly to Example 1 for this razor.
The precoating stainless steel substrates of the yellow intermediate cover layer of identical band of preparing and in embodiment 1, using.
On the other hand, the Biaxially oriented polyester film (thickness 12 μ m) of thermoplastic polyester that is coated with 100 ℃ of the softening points of thickness 5 μ m is made as the outer cover film of band thermal adhesive layer.
They are stacked with the stacked speed that 5m/ divides under 140 ℃ of heated rollers temperature, obtain the hot sticky yellow precoating stainless steel substrates that is connected to polyester film.
The result of staggered scribe test, the film of this material and the fluid-tight engagement of intermediate cover layer are 100/100, and be qualified, bending process is very good.
Be made into the razor of band safeguard protection part by technology similarly to Example 1.At this moment, no problem on the manufacturing process, technology applicability excellence.
Estimate the practicality of resulting razor similarly to Example 1, obtain good evaluation result similarly to Example 1.
Comparative example 1
The precoating stainless steel substrates of the yellow intermediate cover layer of identical band of preparing and in embodiment 1, using.
On the other hand, the Biaxially oriented polyester film (thickness 12 μ m) of thermoplastic propene's acid copolymer resin that is coated with 30 ℃ of the softening points of thickness 3 μ m is made as the outer cover film of band thermal adhesive layer.The adhesive linkage of this film at room temperature has adherence, just needs stacked peeling paper in order stably to preserve.
They are at room temperature laminated weldering with the stacked velocity layer that 5m/ divides, obtain being bonded with the yellow precoating stainless steel substrates of polyester film.
The result of staggered scribe test, the film of this material and the fluid-tight engagement of yellow intermediate cover layer are 80/100, and be defective, on the other hand, bending process is good.
Be made into the razor of band safeguard protection part by technology similarly to Example 1.At this moment, no problem on the manufacturing process.
But when embodiment 1 similarly estimated the practicality of resulting razor, the usability at initial stage was good, but when reusing, and produced that protective device is tectal to be peeled off, and had problem on heatproof water-based, detergent resistance and rub resistance.
Can think that its reason has been there is not heat bonding the thermal adhesive layer of intermediate cover layer with outer overlie polymer layer.
Comparative example 2
The precoating stainless steel substrates of the yellow intermediate cover layer of identical band of preparing and in embodiment 1, using.
On the other hand, be that acrylic resin below the room temperature is the outer cover film that the Biaxially oriented polyester film (thickness 12 μ m) of the sticker of main component aqueous dispersion is made as the band thermal adhesive layer with the softening point with what be coated with thickness 3 μ m.The adhesive linkage of this film at room temperature has adherence, and also preserving for coiled film just needs stacked peeling paper.
They are at room temperature laminated weldering with the stacked velocity layer that 5m/ divides, obtain being bonded with the yellow precoating stainless steel substrates of polyester film.
The result of staggered scribe test, the film of this material and the fluid-tight engagement of yellow intermediate cover layer are 70/100, and be defective, on the other hand, bending process is good.
Be made into the razor of band safeguard protection part by technology similarly to Example 1.At this moment, no problem on the manufacturing process.
But; when embodiment 1 similarly estimates the practicality of resulting razor; the usability at initial stage is good; but when reusing; just produce from the reusable initial moment that the safeguard protection part is tectal to be peeled off, have problem at aspects such as shaving the necessary heatproof water-based of hair, detergent resistance and rub resistance.
Can think that its reason has been there is not heat bonding the thermal adhesive layer of intermediate cover layer with outer overlie polymer layer.
Claims (14)
1. razor is equipped with the safeguard protection part with the grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions at the blade of the leading section that is installed on handle of a knife, it is characterized in that:
Described safeguard protection part comprises: safeguard protection part body layer, cover this body layer intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer and to this intermediate cover layer and at least 4 layers of structure that should outer overlie polymer layer carry out the thermal adhesive layer of heat bonding.
2. the razor of putting down in writing according to claim 1, it is characterized in that: the thickness of described safeguard protection part is in the scope of 10 μ m～250 μ m, and the thickness of thermal adhesive layer is in the scope of 1～100 μ m.
3. the razor of putting down in writing according to claim 1, it is characterized in that: described thermal adhesive layer is the thermoplastic polymer with the softening point more than 50 ℃.
4. the razor of putting down in writing according to claim 1 is characterized in that: described thermoplastic polymer is polyester system, acrylic acid series, ethylene/acetic acid vinyl esters system or thermoplastic polyurethane based polymer.
5. the razor of putting down in writing according to claim 1, it is characterized in that: described outer overlie polymer layer is the layer that comprises the film of biaxial stretch-formed PETG.
6. the razor of putting down in writing according to claim 1 is characterized in that: described intermediate cover layer is dyed layer with any one party or both sides in the outer overlie polymer layer that covers this intermediate cover layer.
7. the razor of putting down in writing according to claim 6 is characterized in that: described intermediate cover layer is colored as colored dyed layer with any one party or both sides in the outer overlie polymer layer that covers this intermediate cover layer.
8. the razor of putting down in writing according to claim 1; it is characterized in that: the described intermediate cover layer that becomes safeguard protection part body layer, covers this body layer, cover the outer overlie polymer layer of this intermediate cover layer and, be to carry out stacked formation with the outer cover layer of being with thermal adhesive layer by safeguard protection part body layer under heating condition to the band intermediate cover layer to the safeguard protection part of this intermediate cover layer with at least 4 layers of structure of the thermal adhesive layer of should outer overlie polymer layer carrying out heat bonding.
9. the manufacture method of a razor; blade at the leading section that is installed on handle of a knife; installation has the safeguard protection part of grooving that the point of a knife that makes this blade exposes with predetermined space and the bridge part that covers this point of a knife at a plurality of positions and when making razor, use the intermediate cover layer that comprises safeguard protection part body layer, covers this body layer, the outer overlie polymer layer that covers this intermediate cover layer and with the temperature more than 50 ℃ make this intermediate cover layer with should outer overlie polymer layer heat bonding the safeguard protection part of 4 layers of structure of thermal adhesive layer install.
10. the manufacture method of the razor of putting down in writing according to claim 9 is characterized in that: as described outer overlie polymer layer and described thermal adhesive layer, use the layer that forms as the outer cover layer of band thermal adhesive layer.
11. the manufacture method of the razor of putting down in writing according to claim 9 is characterized in that: as described intermediate cover layer, cover the outer overlie polymer layer of this intermediate cover layer, wherein any one party or both sides use dyed layer.
12. the manufacture method of the razor of putting down in writing according to claim 11 is characterized in that:, use to be colored as colored layer as described dyed layer.
13. manufacture method of making the razor that claim 1 puts down in writing, to comprising body layer as stainless steel substrates or aluminium flake, cover the intermediate cover layer of this body layer, cover the outer overlie polymer layer of this intermediate cover layer and at least 4 layers of structure that this intermediate cover layer and this outer overlie polymer layer carried out the thermal adhesive layer of heat bonding, and any one party in described intermediate cover layer and the described outer overlie polymer layer or both sides are colored as colored colored film and carry out Punching Technology and form grooving, then
(a) the transverse width direction pars intermedia at this colored film bends this colored film, makes it be embedded in point of a knife near the mode that covers point of a knife from the leading section to the base end part, is fixed in point of a knife by spot welding then and installs as the safeguard protection part; Perhaps
(b) by dot welding method that one side engagement of the width of this colored film is one-sided in point of a knife, then with the transverse width direction pars intermedia bending of this stainless steel substrates or aluminium flake, its opposite side is fixed in point of a knife by spot welding and installs as the safeguard protection part at this sheet;
And then this blade is installed on handle of a knife.
14. manufacture method of making the razor that claim 1 puts down in writing, to comprising body layer as stainless steel substrates or aluminium flake, cover the intermediate cover layer of this body layer, cover the outer overlie polymer layer of this intermediate cover layer and at least 4 layers of structure that this intermediate cover layer and this outer overlie polymer layer carried out the thermal adhesive layer of heat bonding, and any one party of described intermediate cover layer and described outer overlie polymer layer or both sides are colored as colored colored film and carry out Punching Technology and form grooving, then
(a) the transverse width direction pars intermedia at this colored film bends this colored film, makes it be embedded in point of a knife near the mode that covers point of a knife from the leading section to the base end part, utilizes bonding agent to be fixed in point of a knife then and installs as the safeguard protection part; Perhaps
(b) utilize bonding agent that one side engagement of the width of this colored film is one-sided in point of a knife, then this stainless steel substrates or aluminium flake are bent at the transverse width direction pars intermedia of this sheet, its opposite side is installed as the safeguard protection part in point of a knife by adhesive securement;
And then this blade is installed on handle of a knife.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007226925A JP2009056157A (en) | 2007-08-31 | 2007-08-31 | Shaving tool and its manufacturing method |
| JP226925/2007 | 2007-08-31 | ||
| PCT/JP2008/065114 WO2009028462A1 (en) | 2007-08-31 | 2008-08-25 | Razor, and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101808783A true CN101808783A (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880104700A Pending CN101808783A (en) | 2007-08-31 | 2008-08-25 | Razor and its manufacturing method |
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| Country | Link |
|---|---|
| JP (1) | JP2009056157A (en) |
| CN (1) | CN101808783A (en) |
| WO (1) | WO2009028462A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378778A (en) | 2009-03-31 | 2012-03-14 | 株式会社日本触媒 | Process for producing particulate water-absorbing resin |
| JP5669187B2 (en) * | 2010-12-01 | 2015-02-12 | 株式会社貝印刃物開発センター | Razor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372985A (en) * | 1993-02-09 | 1994-12-13 | Minnesota Mining And Manufacturing Company | Thermal transfer systems having delaminating coatings |
| JP3101254B2 (en) * | 1998-12-24 | 2000-10-23 | 東洋アルミニウム株式会社 | Antibacterial protective material for razor blades |
| US7284461B2 (en) * | 2004-12-16 | 2007-10-23 | The Gillette Company | Colored razor blades |
| JP4234124B2 (en) * | 2005-09-16 | 2009-03-04 | クリハ工業株式会社 | Razor tool |
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| JP2009056157A (en) | 2009-03-19 |
| WO2009028462A1 (en) | 2009-03-05 |
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Open date: 20100818 |