EP2614741A1 - Slide fastener - Google Patents
Slide fastener Download PDFInfo
- Publication number
- EP2614741A1 EP2614741A1 EP13001892.2A EP13001892A EP2614741A1 EP 2614741 A1 EP2614741 A1 EP 2614741A1 EP 13001892 A EP13001892 A EP 13001892A EP 2614741 A1 EP2614741 A1 EP 2614741A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- row
- portions
- slide fastener
- fastener
- elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005034 decoration Methods 0.000 claims description 20
- 238000000465 moulding Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000010008 shearing Methods 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
- A44B19/04—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers
- A44B19/06—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers with substantially rectangular members having interlocking projections and pieces
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
Definitions
- the invention relates to a slide fastener in which, for example, in a case where a slide fastener is used to open or close right and left front bodies of clothing, elements capable of aesthetically finishing an appearance of a slide fastener front surface shown at a front side of corresponding clothing are lined.
- a three-dimensional slide fastener has been known in which elements in which a protruding edge capable of increasing the lateral pulling strength in a width direction (a right-left direction) of the slide fastener and a fitting groove engaged to the protruding edge are formed are lined, and when engaging left and right elements to each other, left and right element rows are introduced from left and right shoulder mouths of a slider at different front-back levels, and the left and right element rows are obliquely joined and engaged from a front-back direction and a left-right direction (for example, see Patent Documents 2 and 3).
- Patent Document 1 WO 2005/101974
- a Patent Document 2 Japanese Patent Application Publication No. 61-22961
- Patent Document 3 Japanese Patent Application Publication No. 62-40002
- the surface of an element is formed in the shape of goods or a logo mark, and it has a design that attracts a user's attention when enlarged and viewed.
- the long side of each of elements of the slide fastener has the size of about 3 mm to 5 mm.
- the mutual elements when engaging the left and right elements fixed to opposing side edges of left and right fastener stringers, the mutual elements are engaged by joining the left and right elements, in the form of a letter "Y,” from the left-right direction on the same plane as a fastener tape.
- a gap between the elements lined at the side edge of the fastener tape needed to be kept about 1 mm to 2 mm.
- gaps between the elements are alternately dotted at both sides of the left and right element rows as spaces.
- the presence of the spaces dotted in the left and right element rows has constantly appealed the presence of the slide fastener in an appearance of goods such as clothing, bags, or the like.
- the invention is made to improve the above described conventional art and aims to provide a slide fastener in which a sense of the presence of left and right element rows that are in an engaging state is reduced, and elements capable of finishing an appearance aesthetically are lined.
- a slide fastener includes: a first element row fixed to one side edge of a fastener tape in a first fastener stringer; a second element row fixed to one side edge of a second fastener stringer; and a slider including an element guide passage that allows the first element row and the second element row arranged to face each other to pass through and performs engaging and disengaging, wherein in a case where one surface of a direction vertical to fastener tape surfaces of the first and second fastener stringers is defined as a front surface, and another surface is defined as a back surface, elements of the first element row and the second element row include element body portions from which a pair of front and back fixing leg portions fixed to the fastener stringers are extended, engagement neck portions that extend toward opposing elements row sides from the element body portions, engagement head portions that are swollen toward forefronts further from the engagement neck portions, front latch portions that extend toward opposing elements row sides from front surface sides of the element body portions, and back latch portions formed on front
- front surface sides of the first element row and the second element row have a rectangular shape.
- front surface sides of the first element row and the second element row have a plane shape.
- the extension length of the front latch portion formed in the first element row fixed to the opposing side edge of the first fastener stringer is formed to be shorter than the extension length of the front latch portion formed in the second element row fixed to the opposing side edge of the second fastener stringer.
- the front surface sides of the first element row and the second element row in the rectangular shape, it is possible to finish with an appearance that is difficult to be reminiscent of the elements of the slide fastener.
- the decoration surface in which a concave convex shape, an engraving, or a pattern is formed on the front surface side, or colorization such as gradation is performed on the front surface side the element row of the slide fastener can be used as a part of decorations of goods such as clothing, bags, or the like. Further, an appearance of goods can be more aesthetically finished.
- the front surface sides of the first element row and the second element row have the plane shape, post processing such as inkjet printing, film sticking, thermal transfer of patterns or the like, engraving, laser processing, or the like can be easily performed.
- post processing such as inkjet printing, film sticking, thermal transfer of patterns or the like, engraving, laser processing, or the like can be easily performed.
- the slide fastener with more fine and clear pattern or logo mark can be provided at a low cost.
- FIG. 1 is a plane view in which a slide fastener according to the invention is viewed from a front side and is a view for explaining a state in which element rows that are in a disengaging state in an upper part of the same drawing transition to an engaging state downward.
- slide fastener 12 first element 13 second element 12B, 13B element body portion 12D, 13D front latch portion 12F, 13F decoration surface 12H, 13H engagement head portion 12L first extension length 13L second extension length 12N, 13N engagement neck portion 12R, 13R back latch portion 12U, 13U front fixing leg portion 12V, 13V back fixing leg portion 14 core portion 16 first fastener stringer 17 second fastener stringer 50 slider 50D connecting post 50E front-back disengaging wall 50F flange 50L first shoulder mouth 50R second shoulder mouth 50T rear mouth 51 element guide passage 52 upper blade piece 53 lower blade piece 56 attaching post 56A bearing hole 59 tab CR gap
- FIG. 1 is a plane view in which a slide fastener according to the invention is viewed from the front side and is a view for explaining a state in which element rows that are in a disengaging state in an upper part of the same drawing transition to an engaging state downward.
- FIG. 2 is a left side view of the slide fastener illustrated in FIG. 1 . Further, in FIGS. 1 and 2 , for conveniently describing the engaging state and the disengaging state of the element rows, a slider 50 is denoted by an imaginary line.
- a fastener tape plane of each of a first fastener stringer 16 and a second fastener stringer 17 is defined as an X-Y plane.
- a straight line of a longitudinal direction parallel to an engaging axial line is defined a Y axis, and a side at which the first element 12 row and the second element 13 row become the disengaging state and are opened is defined as a +Y direction.
- a left-right direction (a width direction) of the slide fastener 10 illustrated in FIG. 1 is defined as an X axis, a left side where the first fastener stringer 16 is present is defined as a -X direction, and a right side where the second fastener stringer 17 is present is defined as a +X direction.
- a front-back direction of each fastener tape in the slide fastener 10 is defined as a Z axis.
- a surface on which a decoration surface 12F in the first element 12 and a decoration surface 13F in the second element 13 row are formed, respectively, is defined as a front surface of the slide fastener 10, and a front surface side of the slide fastener 10 is defined as a +Z direction. Therefore, a back surface side of the slide fastener 10 becomes a -Z direction.
- the slide fastener 10 is an opening/closing device for opening/closing left and right front bodies of outer clothes or an opening of bags or the like.
- core portions 14 that are swollen in the front-back direction of the fastener tape along corresponding side edge portions are formed in opposing side edge portions of the first fastener stringer 16 and the second fastener stringer 17 of left and right that configure the slide fastener 10.
- Left and right element rows are formed such that a plurality of first elements 12 and a plurality of second elements 13 are lined at a predetermined interval CR to sandwich the core portions 14.
- resin molding such as polyacetal may be used as a material of the first element 12 and the second element 13
- the front surfaces of the first element 12 and the second element 13 may be formed in a rectangular shape. Further, it is possible to narrow the interval CR between the elements in the first element 12 row and the second element 13 row. As described above, an occupied area of the elements in the engaging state can increase by forming the front surfaces of the first element 12 and the second element 13 in the rectangular shape or narrowing the interval CR between the elements. Thus, it is possible to obtain an appearance that reduces a sense of the presence of the slide fastener 10 to the user.
- the slide fastener 10 includes the slider 50 that allows the first element 12 row and the second element 13 row to pass though and makes an upward opening possible.
- the slider 50 includes an upper blade piece 52 that guides the +Z side of the first element 12 row and the second element 13 row and a lower blade piece 53 that guides the -Z side of the first element 12 row and the second element 13 row.
- flanges 50F that join both elements from the left-right direction are extended at both side edge portions of the upper blade piece 52 and the lower blade piece 53 of the slider 50. Further, even though not illustrated in FIGS. 1 and 2 , tape grooves that allow the fastener tapes of the first fastener stringer 16 and the second fastener stringer 17 to pass through are formed at spindly gap portions where the flanges 50F extended to the upper blade piece 52 and the lower blade piece 53 are opposite to each other.
- an attaching post 56 is erected on the front surface of the +Z side of the upper blade piece 52 in the slider 50.
- a bearing hole 56A that rotatably holds a shaft portion of a tab 59 gripped by the user when moving the slider 50 in the ⁇ Y direction is opened at a central portion of the attaching post 56.
- an element guide passage 51 that allows the first element 12 row and the second element 13 row to pass through in the front-back direction of the slider 50 (the +Y direction and the -Y direction) is formed in the shape of a letter "Y" in a planar view in the form surrounded by the left and right flanges 50F.
- a connecting post 50D that connects the upper blade piece 52 with the lower blade piece 53 is arranged at an intermediate portion of a first shoulder mouth 50L and a second shoulder mouth 50R that are opened at the +Y side of the element guide passage 51. Since the connecting post 50D is formed in the shape of a sharp wedge toward the -Y side, by moving the slider 50 in the -Y direction, the first element 12 and the second element 13 that are in the engaging state can be disengaged in the left-right direction.
- the first shoulder mouth 50L is opened with a step difference at the -Z side of the back surface side further than the second shoulder mouth 50R.
- the first shoulder mouth 50L and the second shoulder mouth 50R introduce or discharge the first element 12 row and the second element 13 row of left and right that are in the disengaging state at different front-back levels.
- a front-back disengaging wall 50E for disengaging the first element 12 and the second element 13 of left and right that are in the engaging state in the front-back direction is formed inside the element guide passage 51.
- a rear mouth 50T is opened at the -Y side of the element guide passage 51.
- the rear mouth 50T introduces or discharges the first element 12 row and the second element 13 row of left and right that are engaged into the element guide passage 51.
- the slider 50 moves in the +Y direction.
- the first element 12 and the second element 13 row that are in the disengaging state are introduced at different front-back levels from the first shoulder mouth 50L and the second shoulder mouth 50R, respectively, and both element rows in the element guide passage 51 are obliquely joined from the front-back direction and the left-right direction and engaged to each other. Then, the first element 12 row and the second element 13 row that have become the engaging state are discharged from the rear mouth 50T.
- the slider 50 moves in the -Y direction.
- the first element 12 row and the second element 13 row that are in the engaging state are introduced through the rear mouth 50T of the slider 50, both element rows are disengaged in the front-back direction in the front-back disengaging wall 50E (see FIG. 2 ) formed in the element guide passage 51, and both element rows are obliquely disengaged in the left-right direction in the connecting post 50D (see FIG. 1 ) formed in the element guide passage 51.
- the first element 12 row and the second element 13 row that have become the disengaging state are discharged from the first shoulder mouth 50L and the second shoulder mouth 50R, respectively.
- FIG. 3 is a perspective view in which the slide fastener 10 in the engaging state is viewed from the +Z side (the front side)
- FIG. 4 is a perspective view viewed from the -Z side (the back side).
- the same members as the members illustrated in FIGS. 1 and 2 are denoted by the same reference numerals, and thus a description thereof will be omitted.
- decoration surfaces 12F and 13F of the +Z side of the first element 12 and the second element 13 have rectangular plane surfaces, and "ABC" is formed on the decoration surfaces 12F and 13F as a pattern.
- the pattern may be engraved on an element forming mold in advance or may be formed by post processing such as inkjet printing, film sticking, thermal transfer, engraving, laser processing, or the like.
- post processing such as inkjet printing, film sticking, thermal transfer, engraving, laser processing, or the like.
- the back surfaces of the -Z side of the first element 12 and the second element 13 have almost the same appearance as an element of resin molding that has been sold in the past.
- an appearance of the back surface in the slide fastener 10 is immediately pronounced of an element row by resin molding.
- an appearance of the decoration surfaces 12F and 13F of the first element 12 row and the second element 13 row illustrated in FIG. 3 is not immediately pronounced of the presence of the slide fastener 10.
- FIG. 5 is a front view in which the first element 12 is viewed toward the +Y side from the -Y side
- FIG. 6 is a back view viewed toward the +Z side (the front surface side) from the -Z side (the back surface side)
- FIG. 7 is a front view in which the second element 13 is viewed toward the +Y side from the -Y side
- FIG. 8 is a back view viewed toward the +Z side (the front surface side) from the -Z side (the back surface side).
- the same members as the members illustrated in FIGS. 1 to 4 are denoted by the same reference numerals, and thus a description thereof will be omitted.
- the first element 12 includes a pair of front fixing leg portion 12U and back fixing leg portion 12V of front and back that sandwich and fix the fastener tape and the core portion 14 of the first fastener stringer 16 from the front side and the back side, an element body portion 12B from which the front fixing leg portion 12U and the back fixing leg portion 12V are extended in the -X direction, an engagement neck portion 12N that extends toward the +X direction of the opposing second element 13 row side from the element body portion 12B, and an engagement head portion 12H that is swollen at a forefront side further than the engagement neck portion 12N.
- the engagement neck portion 12N is a portion in which a constriction is formed to hold the engagement head portions formed in the opposing two second elements 13 in the +Y and -Y sides.
- the engagement head portion 12H is a portion swollen to enter the engagement neck portions formed in the opposing two second elements 13.
- the engagement neck portion 12N and the engagement head portion 12H are an engaging portion for performing engaging that endures lateral pulling force of the left-right direction in a state in which the first fastener stringer 16 and the second fastener stringer 17 of left and right are closed.
- a front latch portion 12D that extends toward the +X direction of the second element 13 row side from the front surface side in the element body portion 12B of the first element 12 is formed toward the -Z side.
- the front latch portion 12D extends toward the +Z side of the engagement neck portion 12N and both of the +Y side and the -Y side of the engagement neck portion 12N.
- a back latch portion 12R facing the +Z direction is formed at the +Z side of the front surface side of the engagement neck portion 12N and the engagement head portion 12H.
- the back latch portion 12R is an engaging member that is engaged with the front latch portions formed in the opposing two second elements 13 and thus prevents engaging of the front-back direction from being deviated as the first element 12 in the engaging state moves on the second element 13 in the +Z direction.
- the front latch portion 12D is an engaging portion that is engaged with the back latch portions respectively formed in the opposing two second elements 13 and thus prevents engaging of the front-back direction from being deviated as the first element 12 in the engaging state moves on the second element 13 in the -Z direction.
- the front latch portion 12D and the back latch portion 12R in the first element 12, it is possible to perform engaging that endures shearing force of the front-back direction in a state in which the first fastener stringer 16 and the second fastener stringer 17 of left and right are closed.
- the front latch portion 12D extending toward the +X direction is formed to have a first extension length 12L shorter than an extension length of a front latch portion of the second element 13 which will be described later.
- the second element 13 includes a pair of front fixing leg portion 13U and back fixing leg portion 13V of front and back that sandwich and fix the fastener tape and the core portion 14 of the second fastener stringer 17 from the front side and the back side, an element body portion 13B from which the front fixing leg portion 13U and the back fixing leg portion 13V are extended in the +X direction, an engagement neck portion 13N that extends toward the -X direction of the opposing first element 12 row side from the element body portion 13B, and an engagement head portion 13H that is swollen at a forefront side further than the engagement neck portion 13N.
- the engagement neck portion 13N is a portion in which a constriction is formed to hold the engagement head portions 12H formed in the opposing two first elements 12 in the +Y and -Y sides.
- the engagement head portion 13H is a portion swollen to enter the engagement neck portions 12N formed in the opposing two first elements 12.
- the engagement neck portion 13N and the engagement head portion 13H are an engaging portion for performing engaging that endures lateral pulling force of the left-right direction in a state in which the first fastener stringer 16 and the second fastener stringer 17 of left and right are closed.
- a front latch portion 13D that extends toward the -X direction of the first element 12 row side from the front surface side in the element body portion 13B of the second element 13 is formed toward the -Z side.
- the front latch portion 13D extends toward the +Z side of the engagement neck portion 13N and both of the +Y side and the -Y side of the engagement neck portion 13N.
- a back latch portion 13R facing the +Z direction is formed at the +Z side of the front surface side of the engagement head portion 13H.
- the back latch portion 13R is an engaging member that is engaged with the front latch portions 12D formed in the opposing two first elements 12 and thus prevents engaging of the front-back direction from being deviated as the second element 13 in the engaging state moves on the first element 12 in the +Z direction.
- the front latch portion 13D is an engaging portion that is engaged with the back latch portions 12R respectively formed in the opposing two first elements 12 and thus prevents engaging of the front-back direction from being deviated as the second element 13 in the engaging state moves on the first element 12 in the -Z direction.
- the front latch portion 13D and the back latch portion 13R in the second element 13, it is possible to perform engaging that endures shearing force of the front-back direction in a state in which the first fastener stringer 16 and the second fastener stringer 17 of left and right are closed.
- the front latch portion 13D extending toward the -X direction is formed to have a second extension length 13L longer than the above described first extension length 12L of the front latch portion 12D of the first element 12.
- the long second extension length 13L of the front latch portion 13D as described above, it is possible to narrow the gap between the decoration surface 12F and the decoration surface 13F when the first element 12 row is engaged with the second element 13 row.
- the decorations portrayed on the decoration surface 12F and the decoration surface 13F is more continuously finished, and thus an appearance of the slide fastener 10 can be aesthetically finished.
- the long second extension length 13L of the front latch portion 13D it is possible to improve bearing force when thrust force is applied to the first element 12 row and the second element 13 row that are in the engaging state.
- FIG. 9 is a back view in which the engaging state of the left-right direction by the first element 12 row and the second element 13 row is viewed from the back surface side (the -Z side) of the slide fastener 10.
- FIGS. 10 and 11 are views in which the engaging state of the front-back direction by the first element 12 row and the second element 13 row is viewed from the -Y side.
- FIG. 10 is a cross-sectional view taken along line X-X illustrated in FIG. 9
- FIG. 11 is a cross-sectional view taken along line XI-XI illustrated in FIG. 9 .
- the engaging state of the left-right direction of the first element 12 row and the second element 13 row will be described with reference to FIG. 9 .
- the first element 12 holds the engagement head portions 13H of the opposing two second elements 13 at the +Y side and the -Y side by using the constricted side surface of the engagement neck portion 12N.
- the second element 13 holds the engagement head portions 12H of the opposing two first elements 12 at the +Y side and the -Y side by using the constricted side surface of the engagement neck portion 13N.
- an intermediate straight line (a straight line parallel to the Y axis) between a straight line that connects forefronts of the engagement head portions 12H in the first element 12 row and a straight line that connects forefronts of the engagement head portions 13H in the second element 13 row is defined as an engaging axial line XC of the left-right direction.
- an intermediate straight line (a straight line parallel to the Y axis) between two straight lines that connect end portions of the fixing leg portions in the first element 12 row and the second element 13 row is defined as an element center line FC.
- the element center line FC is a line that becomes a center line of the decoration surfaces 12F and 13F in the first element 12 row and the second element 13 row in a case where the slide fastener 10 is viewed from the front surface side.
- the first extension length 12L of the front latch portion 12D in the first element 12 is formed to be shorter than the second extension length 13L of the front latch portion 13D in the second element 13.
- the decoration surface 12F and the decoration surface 13F illustrated in FIGS. 5 and 7 can be symmetric in the left and right, and the beauty of the slide fastener 10 can be improved.
- the back latch portion 12R of the first element 12 and the front latch portion 13D of the second element 13 that are formed on surfaces opposing to each other are engaged with each other.
- This engagement prevents the second element 13 from moving on the first element 12 in the -Z direction and being deviated.
- the first element 12 can be prevented from moving on the second element 13 in the +Z direction and being deviated.
- the front latch portion 12D and the back latch portion 13R, and the back latch portion 12R and the front latch portion 13D are alternately engaged along the Y axis, and thus engaging that endures shearing force applied in the front-back direction can be performed.
- the present invention includes the following aspects:
- the slide fastener according to the invention can be used not only for opening/closing of clothing, bags, or the like but also for opening/closing of shoes, tents, or the like.
- the slide fastener when performing engaging and disengaging of the left and right element rows, the left and right element rows are obliquely joined or disengaged from both the front-back direction and the left-right direction.
- large swelling of the engagement head portion of the element can be set, and the element having the engagement neck portion whose constriction is deeply set can be used.
- engaging strength in the left-right direction is improved, and thus the slide fastener that endures stronger lateral pulling force can be provided.
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- Slide Fasteners (AREA)
Abstract
Description
- The invention relates to a slide fastener in which, for example, in a case where a slide fastener is used to open or close right and left front bodies of clothing, elements capable of aesthetically finishing an appearance of a slide fastener front surface shown at a front side of corresponding clothing are lined.
- Conventionally, performing decorations on front surfaces of elements lined in a slide fastener or forming the shape of each element in the shape of goods or in the shape of a logo mark has been known (for example, see Patent Document 1).
- Further, conventionally, a three-dimensional slide fastener has been known in which elements in which a protruding edge capable of increasing the lateral pulling strength in a width direction (a right-left direction) of the slide fastener and a fitting groove engaged to the protruding edge are formed are lined, and when engaging left and right elements to each other, left and right element rows are introduced from left and right shoulder mouths of a slider at different front-back levels, and the left and right element rows are obliquely joined and engaged from a front-back direction and a left-right direction (for example, see Patent Documents 2 and 3).
Patent Document 1:WO 2005/101974 A
Patent Document 2: Japanese Patent Application Publication No.61-22961
Patent Document 3: Japanese Patent Application Publication No.62-40002 - In the slide fastener described in Patent Document 1, the surface of an element is formed in the shape of goods or a logo mark, and it has a design that attracts a user's attention when enlarged and viewed. Generally, the long side of each of elements of the slide fastener has the size of about 3 mm to 5 mm. Thus, there arises a problem in that it is difficult to recognize the shape of goods or the logo mark shown on the element when viewed from some distance.
- Further, in the slide fastener having an element by resin molding usually used in the past and the three-dimensional slide fasteners described in Patent Documents 2 and 3, since the shape of the single element has a functional shape necessary when engaged, the appearance is obviously the slide fastener itself, and it is difficult to perform an aesthetic arrangement for the appearance. Thus, there has been a problem in that the slide fasteners have not been merged with a design of goods in a case where used in goods such as clothing, bags, or the like.
- Further, in the conventional slide fastener, when engaging the left and right elements fixed to opposing side edges of left and right fastener stringers, the mutual elements are engaged by joining the left and right elements, in the form of a letter "Y," from the left-right direction on the same plane as a fastener tape. As described above, in a case where engaging and disengaging of the mutual elements are performed only from the left-right direction, since the fastener stringers need to be bent at a small curvature in the left-right direction, a gap between the elements lined at the side edge of the fastener tape needed to be kept about 1 mm to 2 mm.
- In a state in which the left and right elements are engaged and the left and right fastener stringers are closed, gaps between the elements are alternately dotted at both sides of the left and right element rows as spaces. The presence of the spaces dotted in the left and right element rows has constantly appealed the presence of the slide fastener in an appearance of goods such as clothing, bags, or the like.
- The invention is made to improve the above described conventional art and aims to provide a slide fastener in which a sense of the presence of left and right element rows that are in an engaging state is reduced, and elements capable of finishing an appearance aesthetically are lined.
- In order to solve the problem, a slide fastener according to the invention includes: a first element row fixed to one side edge of a fastener tape in a first fastener stringer; a second element row fixed to one side edge of a second fastener stringer; and a slider including an element guide passage that allows the first element row and the second element row arranged to face each other to pass through and performs engaging and disengaging, wherein in a case where one surface of a direction vertical to fastener tape surfaces of the first and second fastener stringers is defined as a front surface, and another surface is defined as a back surface, elements of the first element row and the second element row include element body portions from which a pair of front and back fixing leg portions fixed to the fastener stringers are extended, engagement neck portions that extend toward opposing elements row sides from the element body portions, engagement head portions that are swollen toward forefronts further from the engagement neck portions, front latch portions that extend toward opposing elements row sides from front surface sides of the element body portions, and back latch portions formed on front surface sides in the engagement neck portions or the engagement head portions, the element guide passage of the slider includes left and right shoulder mouths that allows the first element row and the second element row in a disengaging state to enter into or be discharged from and is arranged to have a step difference in a front-back direction, and a rear mouth that allows the first element row and the second element row in an engaging state to enter into or be discharged from, being characterized in that an extension length of the front latch portion in the first element row is formed to be shorter than an extension length of the front latch portion in the second element row.
- Further, according to another invention, it is characterized in that front surface sides of the first element row and the second element row have a rectangular shape.
- Further, according to another invention, it is characterized in that front surface sides of the first element row and the second element row have a plane shape.
- According to the invention, the extension length of the front latch portion formed in the first element row fixed to the opposing side edge of the first fastener stringer is formed to be shorter than the extension length of the front latch portion formed in the second element row fixed to the opposing side edge of the second fastener stringer. Thus, when engaging the left and right element rows, the first element row having the short extension length and the second element row having the long extension length are introduced from the back surface side and the front side, respectively, at different front-back levels, and the left and right element rows are obliquely joined from a front-back direction and a left-right direction, such that the mutual elements are easily engaged. Further, when disengaging the left and right element rows in the engaging state, the element rows are obliquely disengaged in the front-back direction and the left-right direction, such that the mutual elements are easily disengaged.
- In a conventional slide fastener, engaging and disengaging have been performed only by movement of the left-right direction. On the other hand, by employing the element shape that enables engaging and disengaging to be performed by concurrently using movement of the front-back direction, movement of the left-right direction can be reduced when performing engaging and disengaging of the element rows. If movement of the left-right direction is reduced, a minimum curvature in a plane of the fastener tape required in the fastener stringer can increase. Thus, the gap between the elements lined at the side edge of the fastener tape gets narrow up to about 0.3 mm to 0.7 mm, and an occupied area of the front surface side of the elements in the engaging state can increase. Further, by narrowing the gap between the elements lined at the side edge of the fastener tape, an appearance that reduces a sense of the presence of the slide fastener can be obtained.
- Further, by forming the front surface sides of the first element row and the second element row in the rectangular shape, it is possible to finish with an appearance that is difficult to be reminiscent of the elements of the slide fastener. Further, by using the decoration surface in which a concave convex shape, an engraving, or a pattern is formed on the front surface side, or colorization such as gradation is performed on the front surface side, the element row of the slide fastener can be used as a part of decorations of goods such as clothing, bags, or the like. Further, an appearance of goods can be more aesthetically finished.
- Further, since the front surface sides of the first element row and the second element row have the plane shape, post processing such as inkjet printing, film sticking, thermal transfer of patterns or the like, engraving, laser processing, or the like can be easily performed. Thus, the slide fastener with more fine and clear pattern or logo mark can be provided at a low cost.
-
FIG. 1 is a plane view in which a slide fastener according to the invention is viewed from a front side and is a view for explaining a state in which element rows that are in a disengaging state in an upper part of the same drawing transition to an engaging state downward. -
FIG. 2 is a left side view of the slide fastener illustrated inFIG. 1 . -
FIG. 3 is a perspective view in which a slide fastener in an engaging state is viewed from a +Z side (a front side). -
FIG. 4 is a perspective view in which a slide fastener in an engaging state is viewed from a -Z side (a back side). -
FIG. 5 is a front view in which a first element is viewed toward a +Y side from a -Y side. -
FIG. 6 is a back view in which a first element is viewed toward a +Z side (a front surface side) from a -Z side (a back surface side). -
FIG. 7 is a front view in which a second element is viewed toward a +Y side from a -Y side. -
FIG. 8 is a back view in which a second element is viewed toward a +Z side (a front surface side) from a -Z side (a back surface side). -
FIG. 9 is a back view in which an engaging state of a left-right direction by a first element row and a second element row is viewed from a back surface side of a slide fastener (a -Z side). -
FIG. 10 is a view in which an engaging state of a front-back direction by a first element row and a second element row is viewed from a -Y side and a cross-sectional view taken along line X-X illustrated inFIG. 9 . -
FIG. 11 is a view in which an engaging state of a front-back direction by a first element row and a second element row is viewed from a -Y side and a cross-sectional view taken along line XI-XI illustrated inFIG. 9 . -
10 slide fastener 12 first element 13 second element 12B, 13B element body portion 12D, 13D front latch portion 12F, 13F decoration surface 12H, 13H engagement head portion 12L first extension length 13L second extension length 12N, 13N engagement neck portion 12R, 13R back latch portion 12U, 13U front fixing leg portion 12V, 13V back fixing leg portion 14 core portion 16 first fastener stringer 17 second fastener stringer 50 slider 50D connecting post 50E front- back disengaging wall 50F flange 50L first shoulder mouth 50R second shoulder mouth 50T rear mouth 51 element guide passage 52 upper blade piece 53 lower blade piece 56 attaching post 56A bearing hole 59 tab CR gap - Hereinafter, exemplary embodiment of a slide fastener according to the invention will be described in detail with reference to the accompanying drawings.
-
FIG. 1 is a plane view in which a slide fastener according to the invention is viewed from the front side and is a view for explaining a state in which element rows that are in a disengaging state in an upper part of the same drawing transition to an engaging state downward.FIG. 2 is a left side view of the slide fastener illustrated inFIG. 1 . Further, inFIGS. 1 and2 , for conveniently describing the engaging state and the disengaging state of the element rows, aslider 50 is denoted by an imaginary line. - First, a definition is made on a coordinate system of a
slide fastener 10 illustrated inFIGS. 1 and2 . As illustrated inFIG. 1 , a fastener tape plane of each of afirst fastener stringer 16 and asecond fastener stringer 17 is defined as an X-Y plane. In a case where afirst element 12 row at a left side and asecond element 13 row at a right side in theslide fastener 10 are engaged, a straight line of a longitudinal direction parallel to an engaging axial line is defined a Y axis, and a side at which thefirst element 12 row and thesecond element 13 row become the disengaging state and are opened is defined as a +Y direction. - A left-right direction (a width direction) of the
slide fastener 10 illustrated inFIG. 1 is defined as an X axis, a left side where thefirst fastener stringer 16 is present is defined as a -X direction, and a right side where thesecond fastener stringer 17 is present is defined as a +X direction. - Further, as illustrated in
FIG. 2 , a front-back direction of each fastener tape in theslide fastener 10 is defined as a Z axis. A surface on which adecoration surface 12F in thefirst element 12 and adecoration surface 13F in thesecond element 13 row are formed, respectively, is defined as a front surface of theslide fastener 10, and a front surface side of theslide fastener 10 is defined as a +Z direction. Therefore, a back surface side of theslide fastener 10 becomes a -Z direction. - For example, the
slide fastener 10 is an opening/closing device for opening/closing left and right front bodies of outer clothes or an opening of bags or the like. As illustrated inFIG. 1 ,core portions 14 that are swollen in the front-back direction of the fastener tape along corresponding side edge portions are formed in opposing side edge portions of thefirst fastener stringer 16 and the second fastener stringer 17 of left and right that configure theslide fastener 10. Left and right element rows are formed such that a plurality offirst elements 12 and a plurality ofsecond elements 13 are lined at a predetermined interval CR to sandwich thecore portions 14. Further, as a material of thefirst element 12 and thesecond element 13, resin molding such as polyacetal may be used. - Further, as will be described in detail later, according to the invention, as illustrated in the
slide fastener 10 ofFIG. 1 , the front surfaces of thefirst element 12 and thesecond element 13 may be formed in a rectangular shape. Further, it is possible to narrow the interval CR between the elements in thefirst element 12 row and thesecond element 13 row. As described above, an occupied area of the elements in the engaging state can increase by forming the front surfaces of thefirst element 12 and thesecond element 13 in the rectangular shape or narrowing the interval CR between the elements. Thus, it is possible to obtain an appearance that reduces a sense of the presence of theslide fastener 10 to the user. - Further, as illustrated in
FIGS. 1 and2 , theslide fastener 10 includes theslider 50 that allows thefirst element 12 row and thesecond element 13 row to pass though and makes an upward opening possible. Theslider 50 includes anupper blade piece 52 that guides the +Z side of thefirst element 12 row and thesecond element 13 row and a lower blade piece 53 that guides the -Z side of thefirst element 12 row and thesecond element 13 row. - In order to engage the
first element 12 row with thesecond element 13 row as theslider 50 moves,flanges 50F that join both elements from the left-right direction are extended at both side edge portions of theupper blade piece 52 and the lower blade piece 53 of theslider 50. Further, even though not illustrated inFIGS. 1 and2 , tape grooves that allow the fastener tapes of thefirst fastener stringer 16 and thesecond fastener stringer 17 to pass through are formed at spindly gap portions where theflanges 50F extended to theupper blade piece 52 and the lower blade piece 53 are opposite to each other. - Further, as illustrated in
FIG. 2 , an attachingpost 56 is erected on the front surface of the +Z side of theupper blade piece 52 in theslider 50. Abearing hole 56A that rotatably holds a shaft portion of atab 59 gripped by the user when moving theslider 50 in the ±Y direction is opened at a central portion of the attachingpost 56. - As illustrated in
FIG. 1 , anelement guide passage 51 that allows thefirst element 12 row and thesecond element 13 row to pass through in the front-back direction of the slider 50 (the +Y direction and the -Y direction) is formed in the shape of a letter "Y" in a planar view in the form surrounded by the left andright flanges 50F. A connectingpost 50D that connects theupper blade piece 52 with the lower blade piece 53 is arranged at an intermediate portion of afirst shoulder mouth 50L and asecond shoulder mouth 50R that are opened at the +Y side of theelement guide passage 51. Since the connectingpost 50D is formed in the shape of a sharp wedge toward the -Y side, by moving theslider 50 in the -Y direction, thefirst element 12 and thesecond element 13 that are in the engaging state can be disengaged in the left-right direction. - As illustrated in
FIG. 2 , thefirst shoulder mouth 50L is opened with a step difference at the -Z side of the back surface side further than thesecond shoulder mouth 50R. Thus, thefirst shoulder mouth 50L and thesecond shoulder mouth 50R introduce or discharge thefirst element 12 row and thesecond element 13 row of left and right that are in the disengaging state at different front-back levels. Further, a front-back disengaging wall 50E for disengaging thefirst element 12 and thesecond element 13 of left and right that are in the engaging state in the front-back direction is formed inside theelement guide passage 51. - A
rear mouth 50T is opened at the -Y side of theelement guide passage 51. Therear mouth 50T introduces or discharges thefirst element 12 row and thesecond element 13 row of left and right that are engaged into theelement guide passage 51. - For example, in order to engage the
first element 12 row and thesecond element 13 row of left and right that are in the disengaging state inside theelement guide passage 51, theslider 50 moves in the +Y direction. Thefirst element 12 and thesecond element 13 row that are in the disengaging state are introduced at different front-back levels from thefirst shoulder mouth 50L and thesecond shoulder mouth 50R, respectively, and both element rows in theelement guide passage 51 are obliquely joined from the front-back direction and the left-right direction and engaged to each other. Then, thefirst element 12 row and thesecond element 13 row that have become the engaging state are discharged from therear mouth 50T. - Meanwhile, in order to disengage the
first element 12 row and thesecond element 13 row of left and right that are in the engaging state inside theelement guide passage 51, theslider 50 moves in the -Y direction. Thefirst element 12 row and thesecond element 13 row that are in the engaging state are introduced through therear mouth 50T of theslider 50, both element rows are disengaged in the front-back direction in the front-back disengaging wall 50E (seeFIG. 2 ) formed in theelement guide passage 51, and both element rows are obliquely disengaged in the left-right direction in the connecting post 50D (seeFIG. 1 ) formed in theelement guide passage 51. Then, thefirst element 12 row and thesecond element 13 row that have become the disengaging state are discharged from thefirst shoulder mouth 50L and thesecond shoulder mouth 50R, respectively. - Next, a description will be made in connection with an appearance of the
slide fastener 10 in a state in which thefirst element 12 row and thesecond element 13 row are engaged to each other.FIG. 3 is a perspective view in which theslide fastener 10 in the engaging state is viewed from the +Z side (the front side), andFIG. 4 is a perspective view viewed from the -Z side (the back side). Further, the same members as the members illustrated inFIGS. 1 and2 are denoted by the same reference numerals, and thus a description thereof will be omitted. - In an embodiment illustrated in
FIG. 3 ,decoration surfaces first element 12 and thesecond element 13 have rectangular plane surfaces, and "ABC" is formed on the decoration surfaces 12F and 13F as a pattern. The pattern may be engraved on an element forming mold in advance or may be formed by post processing such as inkjet printing, film sticking, thermal transfer, engraving, laser processing, or the like. As described above, by forming fine and clear pattern or color on the decoration surfaces 12F and 13F of thefirst element 12 and thesecond element 13, it is possible to reduce a sense of the presence of theslide fastener 10 and use theslide fastener 10 as a part of decorations in goods such as clothing or bags, or the like. Further, an appearance of goods such as clothing or bags, or the like can be more aesthetically finished. - Further, in an embodiment illustrated in
FIG. 4 , the back surfaces of the -Z side of thefirst element 12 and thesecond element 13 have almost the same appearance as an element of resin molding that has been sold in the past. As illustrated inFIG. 4 , an appearance of the back surface in theslide fastener 10 is immediately reminiscent of an element row by resin molding. On the other hand, an appearance of the decoration surfaces 12F and 13F of thefirst element 12 row and thesecond element 13 row illustrated inFIG. 3 is not immediately reminiscent of the presence of theslide fastener 10. - Next, configurations of the
first element 12 and thesecond element 13 will be described with reference toFIGS. 5 to 8 .FIG. 5 is a front view in which thefirst element 12 is viewed toward the +Y side from the -Y side, andFIG. 6 is a back view viewed toward the +Z side (the front surface side) from the -Z side (the back surface side).FIG. 7 is a front view in which thesecond element 13 is viewed toward the +Y side from the -Y side, andFIG. 8 is a back view viewed toward the +Z side (the front surface side) from the -Z side (the back surface side). The same members as the members illustrated inFIGS. 1 to 4 are denoted by the same reference numerals, and thus a description thereof will be omitted. - As illustrated in
FIGS. 5 and 6 , thefirst element 12 includes a pair of front fixingleg portion 12U and back fixingleg portion 12V of front and back that sandwich and fix the fastener tape and thecore portion 14 of thefirst fastener stringer 16 from the front side and the back side, anelement body portion 12B from which the front fixingleg portion 12U and the back fixingleg portion 12V are extended in the -X direction, anengagement neck portion 12N that extends toward the +X direction of the opposingsecond element 13 row side from theelement body portion 12B, and anengagement head portion 12H that is swollen at a forefront side further than theengagement neck portion 12N. - The
engagement neck portion 12N is a portion in which a constriction is formed to hold the engagement head portions formed in the opposing twosecond elements 13 in the +Y and -Y sides. Theengagement head portion 12H is a portion swollen to enter the engagement neck portions formed in the opposing twosecond elements 13. Theengagement neck portion 12N and theengagement head portion 12H are an engaging portion for performing engaging that endures lateral pulling force of the left-right direction in a state in which thefirst fastener stringer 16 and thesecond fastener stringer 17 of left and right are closed. - Further, as illustrated in
FIGS. 5 and 6 , afront latch portion 12D that extends toward the +X direction of thesecond element 13 row side from the front surface side in theelement body portion 12B of thefirst element 12 is formed toward the -Z side. Thefront latch portion 12D extends toward the +Z side of theengagement neck portion 12N and both of the +Y side and the -Y side of theengagement neck portion 12N. - Further, in an embodiment illustrated in
FIG. 5 , aback latch portion 12R facing the +Z direction is formed at the +Z side of the front surface side of theengagement neck portion 12N and theengagement head portion 12H. - The
back latch portion 12R is an engaging member that is engaged with the front latch portions formed in the opposing twosecond elements 13 and thus prevents engaging of the front-back direction from being deviated as thefirst element 12 in the engaging state moves on thesecond element 13 in the +Z direction. - Further, the
front latch portion 12D is an engaging portion that is engaged with the back latch portions respectively formed in the opposing twosecond elements 13 and thus prevents engaging of the front-back direction from being deviated as thefirst element 12 in the engaging state moves on thesecond element 13 in the -Z direction. - As described above, by forming the
front latch portion 12D and theback latch portion 12R in thefirst element 12, it is possible to perform engaging that endures shearing force of the front-back direction in a state in which thefirst fastener stringer 16 and thesecond fastener stringer 17 of left and right are closed. - Further, as illustrated in
FIG. 6 , thefront latch portion 12D extending toward the +X direction is formed to have afirst extension length 12L shorter than an extension length of a front latch portion of thesecond element 13 which will be described later. By setting the shortfirst extension length 12L of thefront latch portion 12D as described above, it is possible to reduce movement of the left-right direction required when performing engaging and disengaging of thefirst element 12 row and thesecond element 13 row. As a result, it is possible to set the narrow gap CR between thefirst elements 12 or between thesecond elements 13. - Next, the shape of the single
second element 13 will be described with reference toFIGS. 7 and8 . - As illustrated in
FIGS. 7 and8 , thesecond element 13 includes a pair of front fixingleg portion 13U and back fixingleg portion 13V of front and back that sandwich and fix the fastener tape and thecore portion 14 of thesecond fastener stringer 17 from the front side and the back side, anelement body portion 13B from which the front fixingleg portion 13U and the back fixingleg portion 13V are extended in the +X direction, anengagement neck portion 13N that extends toward the -X direction of the opposingfirst element 12 row side from theelement body portion 13B, and anengagement head portion 13H that is swollen at a forefront side further than theengagement neck portion 13N. - The
engagement neck portion 13N is a portion in which a constriction is formed to hold theengagement head portions 12H formed in the opposing twofirst elements 12 in the +Y and -Y sides. Theengagement head portion 13H is a portion swollen to enter theengagement neck portions 12N formed in the opposing twofirst elements 12. Theengagement neck portion 13N and theengagement head portion 13H are an engaging portion for performing engaging that endures lateral pulling force of the left-right direction in a state in which thefirst fastener stringer 16 and thesecond fastener stringer 17 of left and right are closed. - Further, as illustrated in
FIGS. 7 and8 , afront latch portion 13D that extends toward the -X direction of thefirst element 12 row side from the front surface side in theelement body portion 13B of thesecond element 13 is formed toward the -Z side. Thefront latch portion 13D extends toward the +Z side of theengagement neck portion 13N and both of the +Y side and the -Y side of theengagement neck portion 13N. - Further, in an embodiment illustrated in
FIG. 7 , aback latch portion 13R facing the +Z direction is formed at the +Z side of the front surface side of theengagement head portion 13H. - The
back latch portion 13R is an engaging member that is engaged with thefront latch portions 12D formed in the opposing twofirst elements 12 and thus prevents engaging of the front-back direction from being deviated as thesecond element 13 in the engaging state moves on thefirst element 12 in the +Z direction. - Further, the
front latch portion 13D is an engaging portion that is engaged with theback latch portions 12R respectively formed in the opposing twofirst elements 12 and thus prevents engaging of the front-back direction from being deviated as thesecond element 13 in the engaging state moves on thefirst element 12 in the -Z direction. - As described above, by forming the
front latch portion 13D and theback latch portion 13R in thesecond element 13, it is possible to perform engaging that endures shearing force of the front-back direction in a state in which thefirst fastener stringer 16 and thesecond fastener stringer 17 of left and right are closed. - Further, as illustrated in
FIG. 8 , thefront latch portion 13D extending toward the -X direction is formed to have asecond extension length 13L longer than the above describedfirst extension length 12L of thefront latch portion 12D of thefirst element 12. By setting the longsecond extension length 13L of thefront latch portion 13D as described above, it is possible to narrow the gap between thedecoration surface 12F and thedecoration surface 13F when thefirst element 12 row is engaged with thesecond element 13 row. The decorations portrayed on thedecoration surface 12F and thedecoration surface 13F is more continuously finished, and thus an appearance of theslide fastener 10 can be aesthetically finished. Further, by setting the longsecond extension length 13L of thefront latch portion 13D, it is possible to improve bearing force when thrust force is applied to thefirst element 12 row and thesecond element 13 row that are in the engaging state. - Next, the engaging state of the
first element 12 row and thesecond element 13 row will be described with reference toFIGS. 9 to 11 .FIG. 9 is a back view in which the engaging state of the left-right direction by thefirst element 12 row and thesecond element 13 row is viewed from the back surface side (the -Z side) of theslide fastener 10.FIGS. 10 and 11 are views in which the engaging state of the front-back direction by thefirst element 12 row and thesecond element 13 row is viewed from the -Y side.FIG. 10 is a cross-sectional view taken along line X-X illustrated inFIG. 9 , andFIG. 11 is a cross-sectional view taken along line XI-XI illustrated inFIG. 9 . - First, the engaging state of the left-right direction of the
first element 12 row and thesecond element 13 row will be described with reference toFIG. 9 . As illustrated inFIG. 9 , thefirst element 12 holds theengagement head portions 13H of the opposing twosecond elements 13 at the +Y side and the -Y side by using the constricted side surface of theengagement neck portion 12N. Similarly, thesecond element 13 holds theengagement head portions 12H of the opposing twofirst elements 12 at the +Y side and the -Y side by using the constricted side surface of theengagement neck portion 13N. Thus, engaging that endures force applied in the left-right direction (the +X direction and the -X direction) can be performed. - Further, as illustrated in
FIG. 9 , an intermediate straight line (a straight line parallel to the Y axis) between a straight line that connects forefronts of theengagement head portions 12H in thefirst element 12 row and a straight line that connects forefronts of theengagement head portions 13H in thesecond element 13 row is defined as an engaging axial line XC of the left-right direction. Further, an intermediate straight line (a straight line parallel to the Y axis) between two straight lines that connect end portions of the fixing leg portions in thefirst element 12 row and thesecond element 13 row is defined as an element center line FC. The element center line FC is a line that becomes a center line of the decoration surfaces 12F and 13F in thefirst element 12 row and thesecond element 13 row in a case where theslide fastener 10 is viewed from the front surface side. - In the invention, as illustrated in
FIG. 6 and8 , thefirst extension length 12L of thefront latch portion 12D in thefirst element 12 is formed to be shorter than thesecond extension length 13L of thefront latch portion 13D in thesecond element 13. Thus, by displacing the element center line FC in the -X direction of thefirst element 12 side further than the engaging axial line XC, thedecoration surface 12F and thedecoration surface 13F illustrated inFIGS. 5 and 7 can be symmetric in the left and right, and the beauty of theslide fastener 10 can be improved. - Next, the engaging state of the front-back direction of the
first element 12 row and thesecond element 13 row will be described with reference toFIGS. 10 and 11 . - In the engaging state illustrated in
FIG. 10 , thefront latch portion 12D of thefirst element 12 and theback latch portion 13R of thesecond element 13 that are formed on surfaces opposing to each other are engaged with each other. This engagement prevents thesecond element 13 from moving on thefirst element 12 in the +Z direction and being deviated. Similarly, thefirst element 12 can be prevented from moving on thesecond element 13 in the -Z direction and being deviated. - Further, as illustrated in
FIG. 11 , theback latch portion 12R of thefirst element 12 and thefront latch portion 13D of thesecond element 13 that are formed on surfaces opposing to each other are engaged with each other. This engagement prevents thesecond element 13 from moving on thefirst element 12 in the -Z direction and being deviated. Similarly, thefirst element 12 can be prevented from moving on thesecond element 13 in the +Z direction and being deviated. As described above, thefront latch portion 12D and theback latch portion 13R, and theback latch portion 12R and thefront latch portion 13D are alternately engaged along the Y axis, and thus engaging that endures shearing force applied in the front-back direction can be performed.
The present invention includes the following aspects: - 1. A slide fastener, including:
- a first element (12) row fixed to one side edge of a fastener tape in a first fastener stringer (16);
- a second element (13) row fixed to one side edge of a second fastener stringer (17); and
- a slider (50) including an element guide passage (51) that allows the first element (12) row and the second element (13) row arranged to face each other to pass through and performs engaging and disengaging, wherein
- in a case where one surface of a direction vertical to fastener tape surfaces of the first and second fastener stringers (16, 17) is defined as a front surface, and another surface is defined as a back surface,
- elements of the first element (12) row and the second element (13) row include element body portions (12B, 13B) from which a pair of front and back fixing leg portions (12U, 12V, 13U, 13V) fixed to the fastener stringers (16, 17) are extended, engagement neck portions (12N, 13N) that extend toward opposing elements (12, 13) row sides from the element body portions (12B, 13B), engagement head portions (12H, 13H) that are swollen toward forefronts further from the engagement neck portions (12N, 13N), front latch portions (12D, 13D) that extend toward opposing elements (12, 13) row sides from front surface sides of the element body portions (12B, 13B), and back latch portions (12R, 13R) formed on front surface sides in the engagement neck portions (12N, 13N) or the engagement head portions (12H, 13H),
- the element guide passage (51) of the slider (50) includes left and right shoulder mouths (50L, 50R) that allows the first element (12) row and the second element (13) row in a disengaging state to enter into or be discharged from and is arranged to have a step difference in a front-back direction, and a rear mouth (50T) that allows the first element (12) row and the second element (13) row in a engaging state to enter into or be discharged from,
- being characterized in that an extension length (12L) of the front latch portion (12D) in the first element (12) row is formed to be shorter than an extension length (13L) of the front latch portion (13D) in the second element (13) row.
- 2. The slide fastener according to aspect 1,
being characterized in that front surface sides of the first element (12) row and the second element (13) row have a rectangular shape. - 3. The slide fastener according to aspect 1 or 2,
being characterized in that front surface sides of the first element (12) row and the second element (13) row have a plane shape. - The slide fastener according to the invention can be used not only for opening/closing of clothing, bags, or the like but also for opening/closing of shoes, tents, or the like.
- Further, in the slide fastener according to the invention, when performing engaging and disengaging of the left and right element rows, the left and right element rows are obliquely joined or disengaged from both the front-back direction and the left-right direction. Thus, compared to the conventional art, large swelling of the engagement head portion of the element can be set, and the element having the engagement neck portion whose constriction is deeply set can be used. As a result, engaging strength in the left-right direction is improved, and thus the slide fastener that endures stronger lateral pulling force can be provided.
Claims (5)
- A slide fastener, including:a first element (12) row fixed to one side edge of a fastener tape in a first fastener stringer (16); anda second element (13) row fixed to one side edge of a second fastener stringer (17), whereinin a case where one surface of a direction vertical to fastener tape surfaces of the first and second fastener stringers (16, 17) is defined as a front surface, and another surface is defined as a back surface,elements of the first element (12) row and the second element (13) row include- element body portions (12B, 13B) from which a pair of front and back fixing leg portions (12U, 12V, 13U, 13V) fixed to the fastener stringers (16, 17) are extended,- engagement neck portions (12N, 13N) that extend toward opposing elements (12, 13) row sides from the element body portions (12B, 13B),- engagement head portions (12H, 13H) that are swollen toward forefronts further from the engagement neck portions (12N, 13N),- front latch portions (12D, 13D) that extend toward opposing elements (12, 13) row sides from front surface sides of the element body portions (12B, 13B), and- back latch portions (12R, 13R) formed on front surface sides in the engagement neck portions (12N, 13N) or the engagement head portions (12H, 13H),characterized in that
front surface sides of the first element (12) row and the second element (13) row have a rectangular shape. - The slide fastener of claim 1, characterized in that the elements (12, 13) of the first and second rows have a decorative front surface in which a concave or convex shape, an engraving or a pattern or colorization such as gradation is formed.
- The slide fastener of claim 1 or 2, characterized in that the forefronts of first extension lengths (12L) of the front latch portions (12D) of the first elements (12) and the forefronts of second extension lengths (13L) of the front latch portions (13D) of the second elements (13) are between a straight line that connects forefronts of the engagement head portions (12H) in the first element (12) row and a straight line that connects forefronts of the engagement head portions (13H) in the second element (13) row.
- The slide fastener of any preceding claim, characterized in that an intermediate straight line between two straight lines that connect end portions of the fixing leg portions in the first element (12) row and the second element (13) row is defined as an element center line (FC); the element center line (FC) is a line that becomes a center line of the decorative surfaces (12F and 13F) in the first element (12) row and the second element (13) row in a case where the slide fastener (10) is viewed from the front surface side.
- The slide fastener of any preceding ctaim, characterized in that the width of front decoration surfaces (12F, 13F) of first and second elements (12, 13) is greater than the maximum width of the engagement head portions (12H, 13H).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13001892.2A EP2614741B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09838261.7A EP2382888B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
EP13001892.2A EP2614741B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
PCT/JP2009/050284 WO2010082291A1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
Related Parent Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09838261.7A Division EP2382888B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
EP09838261.7A Division-Into EP2382888B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
EP09838261.7 Division | 2009-01-13 |
Publications (2)
Publication Number | Publication Date |
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EP2614741A1 true EP2614741A1 (en) | 2013-07-17 |
EP2614741B1 EP2614741B1 (en) | 2018-01-03 |
Family
ID=42339560
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09838261.7A Active EP2382888B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
EP13001892.2A Active EP2614741B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
EP13001893.0A Active EP2614742B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09838261.7A Active EP2382888B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13001893.0A Active EP2614742B1 (en) | 2009-01-13 | 2009-01-13 | Slide fastener |
Country Status (4)
Country | Link |
---|---|
EP (3) | EP2382888B1 (en) |
CN (1) | CN102281787B (en) |
TW (1) | TW201026248A (en) |
WO (1) | WO2010082291A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0914903D0 (en) | 2009-08-26 | 2009-09-30 | Ykk Europ Ltd | Slide fastener with flat elements |
KR101393155B1 (en) * | 2010-12-17 | 2014-05-08 | 와이케이케이 가부시끼가이샤 | Fastener stringer and fastener chain, and method for manufacturing fastener chain |
US20130014356A1 (en) * | 2011-07-15 | 2013-01-17 | Chang-Wen Tsao | Structure of zipper's teeth with either english letter or symbol appearence for identification |
CN102934866A (en) * | 2011-08-15 | 2013-02-20 | 曹昌文 | Sprocket device having character displaying effect |
JP6041900B2 (en) * | 2012-12-13 | 2016-12-14 | Ykk株式会社 | Fastener chain manufacturing method |
JP2013233458A (en) * | 2013-08-26 | 2013-11-21 | Ykk Corp | Fastener stringer and slide fastener |
JP2015116355A (en) * | 2013-12-19 | 2015-06-25 | Ykk株式会社 | Slide fastener |
CN105129494A (en) * | 2015-06-17 | 2015-12-09 | 东莞市三毛机械科技有限公司 | Metal zipper surface film pasting technology |
CN107865490A (en) * | 2016-09-22 | 2018-04-03 | 曹昌文 | The sliding wedge and slide fastener for expanding and changing the shaping sprocket of tooth body and arranged in pairs or groups with it |
EP3578681A4 (en) * | 2017-01-31 | 2020-08-26 | YKK Corporation | Article having metallic surface, tone-treatment method therefor, and gas phase oxidation device |
WO2019216256A1 (en) * | 2018-05-10 | 2019-11-14 | Ykk株式会社 | Fastener stringer |
Citations (5)
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US3825978A (en) * | 1972-03-13 | 1974-07-30 | Brier Mfg Co | Zipper construction |
US4236284A (en) * | 1977-09-26 | 1980-12-02 | Minoru Kamiya | Solid slide fastener capable of effecting strong union |
JPS6122961A (en) | 1984-07-11 | 1986-01-31 | Canon Inc | Wire dot printer head |
JPS6240002A (en) | 1985-08-16 | 1987-02-21 | Mitsubishi Electric Corp | Controller for electric rolling stock |
WO2005101974A2 (en) | 2004-04-25 | 2005-11-03 | Artzip Ltd. | A zipper |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2526600A (en) * | 1946-02-26 | 1950-10-17 | Bolta Company | Double-acting sliding clasp fastener |
DE2313353A1 (en) * | 1973-03-17 | 1974-10-03 | New Japan Slide Fastener Mfg C | ZIPPER |
JPS569756Y2 (en) * | 1975-10-27 | 1981-03-04 | ||
US6453521B1 (en) * | 2001-03-08 | 2002-09-24 | Delphi Oracle Corp. | Multiple pitch zipper |
CN2518367Y (en) * | 2001-10-25 | 2002-10-30 | 福建浔兴集团公司 | Slide fastener |
JP2006320642A (en) * | 2005-05-20 | 2006-11-30 | Ykk Corp | Zipper chain |
-
2009
- 2009-01-13 CN CN200980154412.8A patent/CN102281787B/en active Active
- 2009-01-13 WO PCT/JP2009/050284 patent/WO2010082291A1/en active Application Filing
- 2009-01-13 EP EP09838261.7A patent/EP2382888B1/en active Active
- 2009-01-13 EP EP13001892.2A patent/EP2614741B1/en active Active
- 2009-01-13 EP EP13001893.0A patent/EP2614742B1/en active Active
- 2009-06-08 TW TW098119085A patent/TW201026248A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825978A (en) * | 1972-03-13 | 1974-07-30 | Brier Mfg Co | Zipper construction |
US4236284A (en) * | 1977-09-26 | 1980-12-02 | Minoru Kamiya | Solid slide fastener capable of effecting strong union |
JPS6122961B2 (en) * | 1977-09-26 | 1986-06-03 | Minoru Kamya | |
JPS6122961A (en) | 1984-07-11 | 1986-01-31 | Canon Inc | Wire dot printer head |
JPS6240002A (en) | 1985-08-16 | 1987-02-21 | Mitsubishi Electric Corp | Controller for electric rolling stock |
WO2005101974A2 (en) | 2004-04-25 | 2005-11-03 | Artzip Ltd. | A zipper |
Also Published As
Publication number | Publication date |
---|---|
CN102281787A (en) | 2011-12-14 |
EP2614741B1 (en) | 2018-01-03 |
EP2614742B1 (en) | 2017-09-06 |
CN102281787B (en) | 2014-03-12 |
EP2614742A1 (en) | 2013-07-17 |
TWI375535B (en) | 2012-11-01 |
EP2382888B1 (en) | 2014-06-04 |
EP2382888A4 (en) | 2013-06-26 |
TW201026248A (en) | 2010-07-16 |
WO2010082291A1 (en) | 2010-07-22 |
EP2382888A1 (en) | 2011-11-02 |
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