US20070277353A1 - Fastener - Google Patents

Fastener Download PDF

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Publication number
US20070277353A1
US20070277353A1 US11/803,038 US80303807A US2007277353A1 US 20070277353 A1 US20070277353 A1 US 20070277353A1 US 80303807 A US80303807 A US 80303807A US 2007277353 A1 US2007277353 A1 US 2007277353A1
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US
United States
Prior art keywords
portions
magnetic elements
fastener
engagement
disengagement
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.)
Abandoned
Application number
US11/803,038
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English (en)
Inventor
Yuji Kondo
Akio Hayashi
Takanori Ozawa
Ryo Mikuma
Eriko Sakamoto
Miyuki Ohgaku
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YKK Corp
Original Assignee
YKK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YKK Corp filed Critical YKK Corp
Assigned to YKK CORPORATION reassignment YKK CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAYASHI, AKIO, KONDO, YUJI, MIKUMA, RYO, OHGAKU, MIYUKI, OZAWA, TAKANORI, SAKAMOTO, ERIKO
Publication of US20070277353A1 publication Critical patent/US20070277353A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41F—GARMENT FASTENINGS; SUSPENDERS
    • A41F1/00—Fastening devices specially adapted for garments
    • A41F1/002—Magnetic fastening devices
    • 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
    • A44B19/08—Stringers arranged side-by-side when fastened, e.g. at least partially superposed stringers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/10—Arrangement of fasteners
    • A45C13/1069—Arrangement of fasteners magnetic
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44D—INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
    • A44D2203/00—Fastening by use of magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2539—Interlocking surface constructed from plural elements in series
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/32—Buckles, buttons, clasps, etc. having magnetic fastener

Definitions

  • the present invention relates to a fastener for use in opening or closing a fly of clothes, and more particularly, to a fastener in which magnetic elements supplied with magnetism by a magnet or the like are attached to opposing element attaching edge portions of a pair of fastener tapes so as to engage opposing right and left magnetic elements using a magnetic force of the magnetic elements.
  • a fastener which opens or closes a fly of clothes using a magnetic force of a magnet has been disclosed in U.S. Pat. No. 4,399,595.
  • magnets are provided on opposing side edge portions of a fly portion of clothes at a predetermined interval such that N pole and S pole come alternately.
  • the N pole and S pole of the magnets provided on the side edge portions are attracted to each other by a magnetic force, so that the right and left side edge portions are fitted to each other.
  • the position of the magnet provided on one side edge portion is shifted in the longitudinal direction by releasing means so as to oppose the same poles of the magnets provided on the respective side edge portions, so that they repel each other. Consequently, the fitted right and left side edge portions can be separated easily.
  • JP-A Japanese Patent Application Laid-Open
  • JP-A No. 60-261404 has disclosed a magnet fastener in which a base material of opposing right and left side edge portions is made of a magnetic material such as iron and a magnet is attached to part of each side edge portion to thereby attract the right and left side edge portions or magnets to each other using a magnetic force of the magnet.
  • JP-A-60-261404 has disclosed a magnet fastener in which magnets are provided on side edge portions having a T-shaped section made of a highly rigid magnetic material or on right and left side edge portions having a L-shaped section as an embodiment of the magnet fastener.
  • parts of the right and left side edge portions having the T-shaped section or the L-shaped section stood in a height direction from the proximal end face of the side edge portion are hooked on each other, and at the same time, the right and left side edge portions made of a magnetic material are attracted to each other using the magnetic force of the magnets so as to close the fastener.
  • JP-A-60-261404 has disclosed a magnet fastener in which magnets are attached to ends of right and left side edge portions to close the right and left side edge portions when the magnets attract each other.
  • the magnet fastener described in JP-A-60-261404 as the embodiment opens or closes the right and left side edge portions using a magnetic force of the magnet. For the reason, according to JP-A-60-261404, the right and left side edge portions can be opened or closed from a halfway position without use of any slider. This makes it possible to prevent inconvenience due to use of the slider, for example, reduction of the service life due to catching of the slider or wearing of the fastener.
  • the magnet fastener disclosed in JP-A-60-261404 as another embodiment that is, the magnet fastener which closes the right and left side edge portions by allowing magnets attached to the right and left side edge portions to attract each other may be used for such applications as a fly of clothes, an opening in a bag and the like by attaching the magnet directly to the end of the tape having plasticity.
  • the magnet fastener which attracts the magnets just directly receives a lateral pulling force from both sides of the fastener when the right and left side edge portions keep firm contact by means of the magnetic force of the magnet, the magnet fastener cannot withstand this lateral pulling force if nothing but the attraction force produced by the magnetic force of the magnet is employed.
  • the right and left side edge portions may be opened easily at a position receiving the lateral pulling force. Therefore, if the fastener which closes using only the magnetic force of the magnet is used at a fly of clothes or the like, there often occurs a fault that the right and left side edge portions may open carelessly when a user wears the clothes.
  • the present invention has been achieved in views of the conventional problems, and an object of the invention is to provide a fastener in which right and left side edge portions can be engaged using a magnetic force, and which can be applied preferably for a plastic article such as clothes and further prevented from being opened carelessly even if a lateral pulling force is received when right and left elements are engaged.
  • a fastener in which a plurality of first and second magnetic elements made of synthetic resin having magnetism are respectively provided in lines at predetermined intervals along opposing element attaching edge portions of a pair of first and second fastener tapes and the opposing right and left first and second magnetic elements are adsorbed to with each other using a magnetic force
  • the first and second magnetic elements magnetic elements have head portions, leg portions to be attached to the element attaching edge portions, and engagement/disengagement portions formed on the head portions and mechanically engaged with or disengaged from each other between the opposing first and second magnetic elements
  • the first and second magnetic elements are respectively disposed on the respective element attaching edge portions of the first and second fastener tapes at predetermined intervals
  • the magnetic elements of one fastener tape of the fastener tapes are adsorbed to spaces between the adjacent magnetic elements of the other fastener tape of the fastener tapes, and the opposing first and second magnetic elements are engaged
  • the opposing right and left first and second magnetic elements are adsorbed to each other using a magnetic force which occurs along a longitudinal direction of the fastener tapes or a magnetic force which occurs along a width direction of the fastener tapes due to the magnetism of the first and second magnetic elements.
  • the engagement/disengagement portions consist of: engagement/disengagement convex portions formed on the head portions of the first magnetic elements and/or the second magnetic elements; and engagement/disengagement concave portions formed in the head portions of the second magnetic elements and/or the first magnetic elements and capable of being fitted with the engagement/disengagement convex portions.
  • the head portions of the first and second magnetic elements have first opposing faces and second opposing faces opposing the head portions of the mating magnetic elements in back and forth directions of the longitudinal direction of the first and second fastener tapes, the engagement/disengagement convex portions are disposed on the first opposing faces and the engagement/disengagement concave portions are disposed on the second opposing faces, and when the first magnetic elements and the second magnetic elements are engaged with each other, the engagement/disengagement convex portion are fitted in the engagement/disengagement concave portion.
  • the engagement/disengagement portions consist of: surface side engagement/disengagement portions, which are formed on surface sides of the head portions of the first and second magnetic elements so as to be inclined with a predetermined angle with respect to the longitudinal direction of the first and second fastener tapes, and have front end portions and rear end portions respectively projecting in the longitudinal direction of the fastener tapes from front surface portions and rear surface portions of the head portions; and rear surface side engagement/disengagement portions , which are formed on rear surface sides of the head portions so as to be inclined symmetrically compared with the surface side engagement/disengagement portions with respect to the longitudinal direction of the fastener tapes, and have the front end portions and the rear end portions respectively projecting in the longitudinal direction of the fastener tapes from the front surface portions and the rear surface portions of the head portions.
  • the engagement/disengagement portions consist of: front edge portions formed on the head portions and having an oval shape which is long in the longitudinal direction of the fastener tapes; and neck portions formed between the front edge portions and the leg portions and having a constricted shape in the longitudinal direction of the fastener tapes.
  • the first and second magnetic elements can be formed by burying magnets upon injection molding of synthetic resin.
  • the engagement/disengagement portions consist of: engagement/disengagement convex portions formed such that front end portions or the rear end portions of the magnets buried in the head portions project from the head portions of the first magnetic elements and/or the second magnetic elements; and engagement/disengagement concave portions formed by steps between external faces of the head portions of the second magnetic elements and/or the first magnetic elements and rear end faces or front end faces of the magnets and capable of being fitted with the engagement/disengagement convex portions.
  • the first and second magnetic elements can be formed by injection molding synthetic resin containing powder of a magnetic material and magnetizing the magnetic material.
  • the first and second magnetic elements include: recessed groove portions or projecting portions on front edge faces in a width direction of the head portions; and the projecting portions or the recessed groove portions on side faces of the leg portions opposing the front edge faces of the mating magnetic elements, and wherein the projecting portions are fitted in the recessed groove portions when the first and second magnetic elements are engaged with each other.
  • the fastener of the invention includes a slider having an upper blade, a lower blade, and upper and lower flanges disposed in a perpendicular direction along right and left side edges of the upper blade and the lower blade, the slider being loaded on right and left element rows of the magnetic elements so as to engage or disengage the magnetic elements, wherein the first and second magnetic elements are so formed that the head portions are thicker in a height direction than the leg portions so as to be insertable into a guide passage in the slider, and the magnetic elements have protruding portions protruding in the height direction from both of front and rear faces of the leg portions so that the protruding portions make a sliding contact with the external faces of the upper and lower flanges, thereby guiding the slider.
  • each of the magnetic elements arranged in lines at predetermined intervals along the opposing element attaching edge portions of the pair of first and second fastener tapes includes a head portion, a leg portion and a mechanical engaging/disengaging portion formed on the head portion.
  • the opposing right and left first and second magnetic elements are engaged with each other alternately using a magnetic force, and the engagement/disengagement portions formed on the first and second magnetic elements are mechanically engaged with each other.
  • the fastener of the invention can be used preferably for a plastic articles such as clothes. Further, when the first and second magnetic elements are engaged with each other, the engagement/disengagement portions formed on the head portions are mechanically engaged with each other and a strong engagement strength can be obtained between the first and second magnetic elements. Accordingly, even if a lateral pulling force is received, the engagement state of the magnetic elements is maintained, so that the magnetic elements can be prevented from being separated carelessly and opened.
  • the opposing right and left first and second magnetic elements have a magnetic force which occurs along a longitudinal direction of the fastener tapes or a magnetic force which occurs along a width direction of the fastener tapes due to the magnetism of the first and second magnetic elements.
  • the first and second magnetic elements are formed with the direction of magnetic poles conformed, such that the magnetic poles on the same side in the longitudinal direction or the width direction of the fastener tapes serve as the same poles when the elements are engaged.
  • the adsorption between the first and second magnetic elements by the magnetic force is stabilized and the closing of the fastener is carried our securely.
  • the orientation of the magnetic poles of the magnetic elements becomes easier by adjusting the direction of the buried magnets or the direction for magnetizing the elements and the simplification of the manufacturing process and the reduction of the manufacturing time can be attempted, compared with the fastener in which the magnetic poles of the respective magnetic elements are not uniform.
  • the engagement/disengagement portions consist of: engagement/disengagement convex portions formed on the head portions of the first magnetic elements and/or the second magnetic elements; and engagement/disengagement concave portions formed in the head portions of the second magnetic elements and/or the first magnetic elements and capable of being fitted with the engagement/disengagement convex portion. Consequently, when the right and left first and second magnetic elements are engaged with each other, their engagement/disengagement portions can be engaged securely, so that even if the lateral pulling force is received, the engagement state of the first and second magnetic elements can be maintained stably.
  • the head portions of the first and second magnetic elements have first opposing faces and second opposing faces which face the head portions of the mating magnetic elements in the back and forth direction in the longitudinal direction of the fastener tape.
  • the engagement/disengagement convex portions are disposed on the first opposing faces, and the engagement/disengagement concave portions are disposed in the second opposing faces. Consequently, when the right and left first and second magnetic elements are engaged with each other, the engagement/disengagement convex portions are engaged with the engagement/disengagement concave portions securely, and an excellent lateral pulling resistance can be obtained.
  • the engagement/disengagement portions of the fastener of the invention can consist of: surface side engagement/disengagement portions, which are formed on surface sides of the head portions of the first and second magnetic elements so as to be inclined with a predetermined angle with respect to the longitudinal direction of the first and second fastener tapes, and have front end portions and rear end portions respectively projecting in the longitudinal direction of the fastener tapes from front surface portions and rear surface portions of the head portions; and rear surface side engagement/disengagement portions, which are formed on rear surface sides of the head portions so as to be inclined symmetrically compared with the surface side engagement/disengagement portions with respect to the longitudinal direction of the fastener tapes, and have the front end portions and the rear end portions respectively projecting in the longitudinal direction of the fastener tapes from the front surface portions and the rear surface portions of the head portions.
  • the engagement/disengagement portions can consist of: front edge portions formed on the head portions and having an oval shape which is long in the longitudinal direction of the fastener tapes; and neck portions formed between the front edge portions and the leg portions and having a constricted shape in the longitudinal direction of the fastener tapes. Consequently, when the right and left first and second magnetic elements are engaged with each other, an excellent lateral pulling resistance can be obtained.
  • the first and second magnetic elements maybe formed by burying magnets upon injection molding of synthetic resin.
  • the magnetic force occurs in the longitudinal direction or the width direction of the fastener tapes, so that the magnetism such that the first magnetic elements and the second magnetic elements are adsorbed to each other can be obtained easily.
  • the engagement/disengagement portions can consist of: engagement/disengagement convex portions formed such that front end portions or the rear end portions of the magnets project from the head portions of the first magnetic elements and/or the second magnetic elements; and engagement/disengagement concave portions formed by steps between external faces of the head portions of the second magnetic elements and/or the first magnetic elements and rear end faces or front end faces of the magnets. Consequently, production of the engagement/disengagement portion is facilitated, and when the right and left first and second magnetic elements are engaged with each other, the magnets buried in the respective magnetic element face directly the magnets buried in the mating magnetic elements or makes contact therewith. As a result, the engagement state of the magnetic elements can be stabilized by using the magnetic force of the magnets effectively.
  • the first and second magnetic elements may be formed by injection molding synthetic resin containing powder of a magnetic material and magnetizing the magnetic material. Even if the first and second magnetic elements are formed as above, the magnetism such that the first magnetic elements and the second magnetic elements are adsorbed to each other can be obtained easily.
  • the first and second magnetic elements include: recessed groove portions or projecting portions on front edge faces in a width direction of the head portions; and the projecting portions or the recessed groove portions on side faces of the leg portions opposing the front edge faces of the mating magnetic elements. Consequently, the projecting portions are fitted in the recessed groove portions when the right and left first and second magnetic elements are engaged with each other. As a result, the engagement state of the magnetic elements is stabilized extremely, and even if the fastener receives, for example, a push-up force in the height direction of the elements, the engagement of the magnetic elements can be blocked from being released.
  • the fastener includes a slider having an upper blade, a lower blade, and upper and lower flanges disposed in a perpendicular direction along right and left side edges of the upper blade and the lower blade, the slider being loaded on right and left element rows so as to engage or disengage the magnetic elements.
  • the first and second magnetic elements are so formed that the head portions are thicker in a height direction than the leg portions so as to be insertable into a guide passage in the slider, and the magnetic elements have protruding portions protruding in the height direction from both of front and rear faces of the leg portions so that the protruding portions make a sliding contact with the external faces of the upper and lower flanges, thereby the slider can be guided. Because the magnetic elements have a specified shape, the fastener can be opened or closed very smoothly by engaging or disengaging the magnetic elements using the slider.
  • FIG. 1 is a perspective view schematically showing a magnetic element of a fastener according to a first embodiment
  • FIG. 2 is a front view showing part of the fastener
  • FIG. 3 is a perspective view schematically showing the configuration of a separable bottom end stop attached to a rear end of a fastener tape;
  • FIG. 4 is a perspective view schematically showing magnetic elements of a fastener according to a second embodiment
  • FIG. 5 is a front view showing part of the fastener
  • FIG. 6 is a front view showing part of a modification of the fastener according to the second embodiment
  • FIG. 7 is a front view showing part of another modification of the fastener according to the second embodiment.
  • FIG. 8 is a perspective view schematically showing magnetic elements of a fastener according to a third embodiment
  • FIG. 9 is a front view showing part of the fastener
  • FIG. 10 is a perspective view schematically showing a magnetic element of a fastener according to a fourth embodiment
  • FIG. 11 is a front view showing part of the fastener
  • FIG. 12 is a front view schematically showing part of a fastener according to a fifth embodiment
  • FIG. 13 is a perspective view schematically showing magnetic elements of a fastener according to a sixth embodiment
  • FIG. 14 is a front view schematically showing part of a fastener according to the sixth embodiment.
  • FIG. 15 is a front view showing part of another modification of the fastener according to the second embodiment.
  • FIG. 1 is a perspective view showing a magnetic element of a fastener according to a first embodiment of the invention.
  • FIG. 2 is a front view showing part of the fastener according to the first embodiment, specifically indicating the magnetic element with a sectional view.
  • one direction in the longitudinal direction of a fastener tape in FIG. 1 (upward direction in the figure) is set as forward, and the other direction (downward direction in the figure) is set as backward.
  • the fastener 1 of the first embodiment comprises a pair of first and second fastener tapes 2 A, 2 B and a plurality of first and second magnetic elements 3 A, 3 B made of synthetic resin.
  • a core thread portion 4 is formed at each of opposing side edges of the first and second fastener tapes 2 A, 2 B, and a plurality of first and second magnetic elements 3 A, 3 B are provided in lines at constant intervals along respective element attaching edge portions 5 including the core thread portions 4 of these first and second fastener tape 2 A, 2 B.
  • the first and second magnetic elements 3 A, 3 B are formed by injection molding synthetic resin with magnets 6 inserted, and include head portions 7 having magnetism, leg portions 8 to be attached to the element attaching edge portions 5 of the fastener tapes 2 A, 2 B, and engagement/disengagement convex portions 9 and an engagement/disengagement concave portions 10 formed in the head portions 7 .
  • the synthetic resin for forming the first and second magnetic elements 3 A, 3 B include thermoplastic resin such as polyamide, polyacetal, polypropylene, and polybutylene terephthalate, and thermosetting resin such as urea resin and melamine resin.
  • the magnets 6 are buried in the head portions of the respective magnetic elements 3 A, 3 B with N pole and S pole set forward and backward in the longitudinal direction of the fastener tapes 2 A, 2 B, respectively. Consequently, respective magnetic elements 3 A, 3 B arranged on the fastener tapes 2 A, 2 B in lines have such magnetism that the magnetic poles on the same side in the longitudinal direction of the fastener tapes 2 A, 2 B are of the same pole, when the right and left magnetic elements 3 A, 3 B are engaged with each other.
  • the elements may be formed by reversing the magnetic poles of the respective magnetic elements.
  • magnets 6 instead of burying the magnets 6 in the head portions of the magnetic elements 3 A, 3 B as discussed in the first embodiment, it is permissible, for example, to form magnetic elements by injection molding synthetic resin containing a magnetic material, and then magnetize the magnetic elements (magnetizing in a strong magnetic field) to provide the head portions of the magnetic elements or the entire magnetic elements with magnetism.
  • the head portions 7 are formed in a rectangular shape, and have first opposing faces 7 a and second opposing faces 7 b , which oppose the head portions 7 of the mating magnetic elements 3 A, 3 B, in the back and forth direction in the longitudinal direction.
  • the first opposing face 7 a (or the second opposing face 7 b ) of the one first magnetic element 3 A faces the second opposing face 7 b (or the first opposing face 7 a ) of the other second magnetic element 3 B.
  • the engagement/disengagement convex portion 9 is formed on the first opposing face 7 a of the head portion 7
  • the engagement/disengagement concave portion 10 is formed in the second opposing face 7 b.
  • the engagement/disengagement convex portion 9 projects cylindrically from the first opposing face 7 a , and its front end face is formed in a tapered shape which tilts downward toward the front edge in the width direction of the head portion 7 .
  • the engagement/disengagement concave portion 10 is formed with a step between the second opposing face 7 b and the rear end face of the magnet 6 buried internally.
  • the leg portion 8 is formed so as to straddle the front and rear faces of the element attaching edge portion 5 of each of the fastener tapes 2 A, 2 B and is longer than the head portion 7 in the back and forth direction of the longitudinal direction.
  • a separable bottom end stop 11 as shown in FIG. 3 is formed by injection molding at the rear ends of the first and second fastener tapes 2 A, 2 B.
  • a separable bottom end stop 11 for example, a separable bottom end stop as described in JP-A-2004-24809 may be used. If speaking briefly, in the separable bottom end stop 11 , a holding member 12 is attached to a rear end of one first fastener tape 2 A, and an insertion member 13 which can be fitted into the side face of the holding member 12 is attached to a rear end of the other second fastener tape 2 B.
  • Disc-like sliding contact plates 14 , 15 which can be overlapped in the front-rear face direction, are provided integrally at each front edge of the holding member 12 and the insertion member 13 .
  • One of overlapping faces 16 , 17 through which the sliding contact plates 14 , 15 may be overlapped with each other has an insertion convex portion 19 , while the other has an insertion concave portion in which the insertion convex portion 19 may be fitted.
  • the overlapping faces 16 , 17 have magnetic bodies 18 having magnetism.
  • the holding member 12 and the insertion member 13 are overlapped by adsorbing the sliding contact plates 14 , 15 by the action of magnetism, and then, the insertion member 13 is fitted in the holding member 12 by rotating at a predetermined angle.
  • the right and left magnetic elements 3 A, 3 B can be engaged with each other successively from the ones disposed at the rear end side of the fastener tapes 2 A, 2 B.
  • the separable bottom end stop to be formed on the fastener tapes 2 A, 2 B is not restricted to this example, but other various separable bottom end stops may be formed. Instead of the separable bottom end stop, an end stop which just connects the rear end portions of the right and left fastener tapes 2 A, 2 B may be used.
  • the insertion convex portion 19 is fitted to the insertion concave portion, and then, the insertion member 13 is inserted into the holding member 12 by rotating the sliding contact plates 14 , 15 .
  • the right and left first and second magnetic elements 3 A, 3 B disposed respectively at the rear ends of the first and second fastener tapes 2 A, 2 B are engaged with each other.
  • the magnetic elements 3 A ( 3 B) of one fastener tape 2 A ( 2 B) are adsorbed to the spaces between the adjacent magnetic elements 3 B ( 3 A) of the other fastener tape 2 B ( 2 A) using a magnetic force of the magnetic elements 3 A, 3 B which occurs along the longitudinal direction of the fastener tapes. Therefore, the right and left first and second magnetic elements 3 A, 3 B are engaged with each other successively and alternately, as shown in FIG. 2 , from the first and second magnetic elements 3 A, 3 B disposed at the rear end side up to the first and second magnetic elements 3 disposed at the front end side, thereby the fastener 1 can be closed. When the fastener 1 is closed, the fastener 1 never becomes stiff because the right and left first and second magnetic elements 3 A, 3 B do not overlap each other in the height direction of the elements.
  • the engagement/disengagement convex portions 9 and the engagement/disengagement concave portions 10 are formed in the head portions 7 of the magnetic elements 3 A, 3 B, respectively. Therefore, when the right and left first and second magnetic elements 3 A, 3 B are engaged with each other alternately, the engagement/disengagement convex portions 9 formed on the magnetic elements 3 A ( 3 B) are inserted and fitted into the engagement/disengagement concave portions 10 formed in the mating magnetic elements 3 B ( 3 A) to be engaged on the front side. Like this, the engagement/disengagement convex portions 9 are mechanically fitted to the engagement/disengagement concave portions 10 , so that the lateral pulling resistance of the fastener 1 is improved.
  • the first and second magnetic elements 3 A, 3 B can be maintained in a stable engagement state even if the lateral pulling force is applied, thereby preventing the right and left first and second magnetic elements 3 A, 3 B from being separated and opened carelessly. Further, because the front end face of the engagement/disengagement convex portion 9 is formed in a tapered shape, the engagement/disengagement convex portion 9 can be inserted into the engagement/disengagement concave portion 10 smoothly.
  • the engagement of the first and second magnetic elements 3 A, 3 B are released successively from the first and second magnetic elements 3 A, 3 B disposed on the front end side of each of the first and second fastener tapes 2 A, 2 B to disengage the holding member 12 and the insertion member 13 of the separable bottom end stop 11 by rotation of the members, so that the fastener 1 can be separated easily.
  • FIG. 4 is a perspective view showing magnetic elements of the fastener according to the second embodiment
  • FIG. 5 is a front view showing part of the fastener of the second embodiment.
  • the fastener 21 according to the second embodiment comprises a pair of first and second fastener tapes 2 A, 2 B and a plurality of first and second magnetic elements 22 A, 22 B arranged in lines at constant intervals along respective element attaching edge portions 5 of the first and second fastener tapes 2 A, 2 B.
  • the first and second magnetic elements 22 A, 22 B include head portions 27 having magnetism in which magnets 6 are buried and leg portions 28 , respectively.
  • An engagement/disengagement convex portion 9 is formed on a first opposing face 27 a of the head portion 27 of each of the first magnetic elements 22 A arranged in line on the first fastener tape 2 A of the fastener tapes
  • an engagement/disengagement concave portion 10 is formed in a second opposing face 27 b of the head portion 27 of each of the second magnetic elements 22 B arranged in line on the other second fastener tape 2 B.
  • neither the engagement/disengagement convex portion 9 nor the engagement/disengagement concave portion 10 is formed on the second opposing face 27 b of the first magnetic element 22 A and the first opposing face 27 a of the second magnetic element 22 B.
  • the head portions 27 of the first and second magnetic elements 22 A, 22 B have magnetism such that their front portions serve as N poles while their rear portions serve as S poles.
  • the magnets 6 are buried such that the rear end faces of the magnets 6 are exposed on the second opposing faces 27 b .
  • the magnets 6 are buried such that the front end faces of the magnets 6 are exposed on the first opposing faces 27 a.
  • a leg portion 28 of the first magnetic element 22 A disposed on the first fastener tape 2 A of the fastener tapes is formed longer than the head portion 27 backward in the longitudinal direction
  • a leg portion 28 of the second magnetic element 22 B disposed on the other second fastener tape 2 B is formed longer than the head portion 27 forward in the longitudinal direction
  • the respective magnetic elements 22 A, 22 B of the second embodiment have a recessed groove portion 24 in a front edge face 26 in the width direction of the head portion 27 and a projecting portion 25 formed on a side face 29 of the leg portion 28 .
  • the projecting portion may be formed in the head portion
  • the recessed groove portion may be formed in the leg portion.
  • Modifications of the fastener 21 of the second embodiment include a fastener 21 ′ as shown in FIG. 6 and a fastener 21 ′′ as shown in FIG. 7 .
  • the leg portions 28 of both right and left first and second magnetic elements 22 A′, 22 B′ are formed longer than the head portions 27 backward in the longitudinal direction.
  • the leg portions 28 of both right and left first and second magnetic elements 22 A′′, 22 B′′ are formed longer than the head portions 27 forward in the longitudinal direction.
  • leg portions 28 are formed longer in the second embodiment and the modifications is to prevent the magnetic elements 22 A, 22 A′, 22 A′′ provided in line or the magnetic elements 22 B, 22 B′, 22 B′′ provided in line on the same fastener tapes 2 A, 2 B from being adsorbed to each other.
  • the same separable bottom end stop as in the first embodiment is provided at the rear end of the first and second fastener tapes 2 A, 2 B, and the insertion member of the separable bottom end stop is inserted into the holding member. Further, the right and left first and second magnetic elements 22 A′, 22 B′ are engaged alternately in succession from the first and second magnetic elements 22 A, 22 B disposed on the rear end side of the first and second fastener tapes 2 A, 2 B, using a magnetic force which occurs in the longitudinal direction of the fastener tapes, as shown in FIG. 5 . Consequently, the fastener 21 can be closed smoothly without becoming stiff.
  • both of the engagement/disengagement convex portion and the engagement/disengagement concave portion are not formed in the head portion of one magnetic element 22 A, 22 B, unlike the first embodiment.
  • the engagement/disengagement convex portions 9 are formed on the first magnetic elements 22 A provided in line on the first fastener tape 2 A of the fastener tapes, while the engagement/disengagement concave portions 10 are formed in the second magnetic elements 22 B provided in line on the other second fastener tape 2 B.
  • the head portion 27 has the recessed groove portion 24 and the leg portion 28 has the projecting portion 25 .
  • the projecting portion 25 of each of the magnetic element 22 A, 22 B is fitted to the recessed groove portion 24 of each of the mating magnetic elements 22 A, 22 B. Consequently, the engagement state of the first and second magnetic elements 22 A, 22 B is stabilized more, and even if the fastener 21 in an engagement state receives a push-up force or the like in the height direction, the magnetic elements 22 A, 22 B can be prevented from disengaged from each other more effectively.
  • the fastener 21 ′ and the fastener 21 ′′ shown in FIGS. 6 and 7 as the modifications of the second embodiment can obtain the same effect as that of the second embodiment.
  • FIG. 8 is a perspective view showing magnetic elements of the fastener of the third embodiment.
  • FIG. 9 is a front view showing part of the fastener of the third embodiment. In FIG. 9 , representation of the fastener tape is omitted.
  • the fastener 31 of the third embodiment comprises a pair of first and second fastener tapes and a plurality of first and second magnetic elements 32 A, 32 B provided in lines at constant intervals along element attaching edge portions of the first and second fastener tapes.
  • Each of the magnetic elements 32 A, 32 B includes a head portion 37 having magnetism in which a magnet 6 is buried and a leg portion 38 .
  • the magnets 6 are buried in first opposing faces 37 a and second opposing faces 37 b of the head portions 37 such that the front end faces or rear end faces of the magnets are exposed.
  • the magnet 6 has magnetism such that the front portion serves as N pole while the rear portion serves as S pole.
  • an engagement/disengagement convex portion 33 is formed at the rear portion of the front face side (side of the second opposing face 37 b )
  • an engagement/disengagement concave portion 34 is formed at the front portion of the rear face side (side of the first opposing face 37 a ).
  • the engagement/disengagement concave portion 34 is formed at the front portion of the front face side, while the engagement/disengagement convex portion 33 is formed at the rear portion of the rear face side.
  • each engagement/disengagement convex portion 33 can be inserted into and fitted to the engagement/disengagement concave portion 34 of the mating magnetic element.
  • the engagement/disengagement convex portions 33 can be engaged with the engagement/disengagement concave portions 34 on both of the front and rear faces of the first and second magnetic elements 32 A, 32 B, alternately.
  • the first magnetic element 32 A has a shoulder portion 35 , and the shoulder portion 35 is fitted to a notch portion 35 ′ of the second magnetic element 32 B.
  • the second magnetic element 32 B has a shoulder portion 36 , and the shoulder portion 36 is fitted to a notch portion 36 ′ in the first magnetic element 32 A. Consequently, if a force in the height direction of the first and second magnetic elements 32 A, 32 B and a force in a direction twisting the fastener 31 are applied when the first and second magnetic elements 32 A, 32 B are alternately engaged with each other and the fastener 31 is closed, for example, the opening of the fastener 31 can be prevented effectively.
  • the fastener 31 of this embodiment includes the same separable bottom end stop (not shown) as that of the first embodiment provided on the rear ends of the first and second fastener tapes, and a slider 41 .
  • the slider 41 used in the third embodiment includes an upper blade 42 , a lower blade 43 , upper flange 44 and lower flange 45 disposed in a perpendicular direction along right and left side edges of the upper blade 42 and the lower blade 43 , and a diamond (not shown) stood between the central portion in the right and left direction of the upper blade 42 and the central portion in the right and left direction of the lower blade 43 .
  • a Y-shaped element guide passage is formed inside of the slider 41 .
  • the head portions 37 thereof are formed thicker than the leg portions 38 in the height direction such that the head portions 37 can be introduced into the element guide passages of the slider 41 .
  • a protruding portion 39 protruding in the height direction is formed on each of the front and rear faces of the leg portion 38 . Consequently, when the slider 41 is loaded on the right and left element rows and slid, the protruding portions 39 formed on the leg portions 38 make sliding contact with the external face of the upper and lower flanges 44 , 45 of the slider 41 as shown in FIG. 9 , so that the slider 41 can be guided smoothly. Accordingly, engagement and disengagement of the right and left first and second magnetic elements 32 A, 32 B can be carried out securely so as to open or close the fastener 31 very smoothly.
  • the slider 41 is provided with a lock mechanism, so that the slider 41 can be stopped halfway of the element rows. This makes it possible to maintain the right and left first and second magnetic elements 32 A, 32 B in a half opened state.
  • the thickness of the engaged portion is never increased, like the first embodiment and the like.
  • the fastener 31 does not become stiff.
  • the engagement/disengagement convex portions 33 are fitted to the engagement/disengagement concave portions 34 on the front face and rear face of the magnetic elements 32 A, 32 B alternately. Consequently, the lateral pulling resistance of the fastener 31 can be improved, so that the engagement state of the magnetic elements 32 A, 32 B can be maintained more stably.
  • FIG. 10 is a perspective view showing a magnetic element of the fastener according to the fourth embodiment
  • FIG. 11 is a front view showing part of the fastener of the fourth embodiment.
  • the fastener 51 of the fourth embodiment comprises a pair of first and second fastener tapes 2 A, 2 B and a plurality of first and second magnetic elements 52 A, 52 B provided in lines at constant intervals along element attaching edge portions 5 of the first and second fastener tapes 2 A, 2 B.
  • each of the first and second magnetic elements 52 includes a head portion 57 having magnetism in which a magnet 6 is buried, a leg portion 58 , and an engagement/disengagement portion 56 a , 56 b formed on the head portion 57 .
  • each of the first and second magnetic elements 52 A, 52 B has such magnetism that its front portion serves as N pole and its rear portion serves as S pole by means of the magnet 6 . Further, the magnet 6 is buried in the head portion 57 such that the front end face and rear end face of the magnet 6 are exposed on a first opposing face 57 a and a second opposing face 57 b , respectively. Consequently, the faces on which the magnets 6 are exposed oppose each other when the right and left first and second magnetic elements 52 A, 52 B are engaged with each other, so that the right and left first and second magnetic elements 52 A, 52 B can be adsorbed to each other and can be engaged with each other alternately by a strong magnetic force.
  • Each of the first and second magnetic elements 52 A, 52 B has a surface side engagement/disengagement portion 56 a formed on a surface side of the head portion and a rear surface side engagement/disengagement portion 56 b formed on a rear surface side of the head portion.
  • the surface side engagement/disengagement portion 56 a tilts at a predetermined angel with respect to the longitudinal direction of the fastener tapes 2 A, 2 B on the surface side of the head portion 57 , and the front end portion 54 and the rear end portion 55 of the surface side engagement/disengagement portion 56 a project in the longitudinal direction of the fastener tapes from the first opposing face 57 a and a second opposing face 57 b of the head portion 57 .
  • the rear surface side engagement/disengagement portion 56 b tilts symmetrically compared with the surface side engagement/disengagement portion 56 a at a predetermined angel on the rear surface side of the head portion 57 , and the front end portion 54 and the rear end portion 55 respectively project in the longitudinal direction of the fastener tapes from the first opposing face 57 a and a second opposing face 57 b of the head portion 57 . That is, these surface side engagement/disengagement portion 56 a and rear surface side engagement/disengagement portion 56 b are formed on the front and rear faces of the head portion 57 , respectively, as if they cross each other in an X-like shape when the magnetic elements 52 A, 52 B are seen from the front and rear face sides.
  • the same separable bottom end stop (not shown) as that of the first embodiment is provided at the rear ends of the fastener tapes 2 A, 2 B, and an insertion member of the separable bottom end stop is inserted into a holding member.
  • the right and left first and second magnetic elements 52 A, 52 B are alternately engaged with each other as shown in FIG. 11 in sequence from the right and left magnetic elements 52 A, 52 B disposed at the rear end sides of the fastener tapes 2 A, 2 B, using a magnetic force which occurs along the longitudinal direction of the first and second fastener tapes 2 A, 2 B. Consequently, the fastener 51 can be closed smoothly without becoming stiff.
  • the surface, side engagement/disengagement portions 56 a respectively formed on the first and second magnetic elements 52 A, 52 B are engaged with each other alternately, while on the rear face side of the magnetic elements 52 A, 52 B, the rear surface side engagement/disengagement portions 56 b are engaged with each other alternately.
  • the right and left surface side engagement/disengagement portions 56 a and the rear surface side engagement/disengagement portions 56 b are engaged, so that the lateral pulling resistance of the fastener 51 can be improved.
  • FIG. 12 is a front view showing part of the fastener of the fifth embodiment, and FIG. 12 indicates a magnetic element with its sectional view.
  • the fastener 61 of the fifth embodiment comprises a pair of first and second fastener tapes 2 A, 2 B and a plurality of first and second magnetic elements 62 A, 62 B provided in lines at constant intervals along element attaching edge portions 5 of the first and second fastener tapes 2 A, 2 B.
  • the first and second magnetic elements 62 A, 62 B includes head portions 67 having magnetism in which magnets 6 are buried, leg portions 68 , and engagement/disengagement convex portions 63 and engagement/disengagement concave portions 64 formed on the head portions 67 , respectively.
  • Each of the magnets 6 is buried in the head portion of each of the magnetic elements 62 A, 62 B such that the front portion serves as N pole while the rear portion serves as S pole in the longitudinal direction of the fastener tapes 2 A, 2 B.
  • the respective magnetic elements 62 A, 62 B have magnetism such that that the magnetic poles on the same side in the longitudinal direction of the fastener tapes 2 A, 2 B are of the same pole, when the right and left first and second magnetic elements 62 A, 62 B are engaged with each other, so that a magnetic force of the first and second magnetic elements 62 A, 62 B occurs along the longitudinal direction of the fastener tapes.
  • the head portion 67 is formed in a rectangular shape.
  • a front end portion of the magnet 6 projects from a first opposing face 67 a of the head portion 67 cylindrically so as to form the engagement/disengagement convex portion 63 .
  • the engagement/disengagement concave portion 64 is formed with a step between a second opposing face 67 b and the bottom end face of the magnet 6 buried internally.
  • the fastener 61 of the fifth embodiment When the fastener 61 of the fifth embodiment is closed, the same separable bottom end stop (not shown) as that of the first embodiment is provided at the rear ends of the first and second fastener tapes 2 A, 2 B, and an insertion member of the separable bottom end stop is inserted into a holding member. Further, using the magnetic force which occurs along the longitudinal direction of the first and second fastener tapes 2 A, 2 B, the right and left first and second magnetic elements 62 A, 62 B are alternately engaged with each other as shown in FIG. 12 in sequence from the first and second magnetic elements 62 A, 62 B disposed at the rear end side of the fastener tapes 2 A, 2 B. Consequently, the fastener 61 can be closed smoothly without becoming stiff.
  • the engagement/disengagement convex portion 63 and the engagement/disengagement concave portion 64 are formed in the head portion 67 of each of the first and second magnetic elements 62 A, 62 B. For this reason, when the right and left magnetic elements 62 A, 62 B are engaged, the engagement/disengagement convex portion 63 formed on each of the magnetic elements 62 A, 62 B is inserted into and mechanically fitted to the engagement/disengagement concave portion 64 of the mating magnetic element 62 A, 62 B to be engaged on the front side.
  • the lateral pulling resistance of the fastener 61 can be improved, and in addition, when the fastener 61 receives a push-up force in the height direction, the engagement of the magnetic elements 62 A, 62 B can be blocked from being released. Therefore, the engagement state of the first and second magnetic elements 62 A, 62 B can be maintained stably.
  • the front end face of the engagement/disengagement convex portion 63 and the rear end face of the engagement/disengagement concave portion 64 are formed by a magnet.
  • the magnet 6 buried in each of the magnetic elements 62 A, 62 B opposes directly the magnet 6 buried in the mating magnetic element 62 A, 62 B or comes into contact therewith. Therefore, the magnetic force of the magnet 6 can be used effectively, and the engagement of the first and second magnetic elements 62 A, 62 B can be stabilized more.
  • a recess is preferably provided in the center of the longitudinal direction of the magnet 6 to bury the magnet in the head portion 67 of each of the magnetic elements 62 A, 62 B. Consequently, the magnets 6 can be blocked from dropping out of the magnetic elements 62 A, 62 B when the fastener 61 is used.
  • FIG. 13 is a perspective view schematically showing magnetic elements of a fastener according to a sixth embodiment
  • FIG. 14 is a front view schematically showing part of a fastener according to the sixth embodiment.
  • the fastener 71 of the sixth embodiment comprises a pair of first and second fastener tapes 2 A, 2 B and a plurality of first and second magnetic elements 72 A, 72 B proposed in lines at constant intervals along element attaching edge portions 5 of the first and second fastener tapes 2 A, 2 B.
  • the first and second magnetic elements 72 A, 72 B have head portions 77 and leg portions 78 , respectively.
  • Each of the head portion 77 has: a front edge portion 79 having an oval shape which is long in the longitudinal direction of the fastener tapes; and a neck portion 80 formed between the front edge portion 79 and the leg portion 78 and having a constricted shape in the longitudinal direction of the fastener tapes.
  • the front edge portion 79 of one magnetic element 72 A ( 72 B) of the magnetic elements 72 A, 72 B can be engaged with or disengaged from the neck portion 80 of the other magnetic element 72 B ( 72 A).
  • each of the first and second magnetic elements 72 A, 72 B has groove portions formed at a front face side and a rear face side of the head portion of the longitudinal direction of the fastener tapes.
  • Cylindrical magnets 6 are attached with in the groove portions 75 of the front face side and the rear face side, in such a condition that one bottom face 74 of the magnet 6 is directed to the front edge side of the head portion while a side of the other bottom face of the magnet 6 is buried in the leg portion 78 .
  • the magnets 6 are attached such that left sides of the magnets in the width direction of the fastener tapes 2 A, 2 B serve as N poles while right sides serve as S poles.
  • the respective magnetic elements 72 A, 72 B have magnetism such that the magnetic poles on the same side in the width direction of the fastener tapes 2 A, 2 B are the same poles, so that a magnetic force of the first and second magnetic elements 72 A, 72 B occurs along the width direction of the fastener tapes.
  • the fastener 71 of the sixth embodiment having such magnetic elements 72 A, 72 B When the fastener 71 of the sixth embodiment having such magnetic elements 72 A, 72 B is closed, the same separable bottom end stop (not shown) as that of the first embodiment is provided at the rear ends of the first and second fastener tapes 2 A, 2 B, and an insertion member of the separable bottom end stop is inserted into a holding member and overlapped.
  • the right and left first and second magnetic elements 72 A, 72 B are alternately engaged with each other as shown in FIG. 14 in sequence from the first and second magnetic elements 72 A, 72 B disposed at the rear end side of the fastener tapes 2 A, 2 B. Consequently, the fastener 71 can be closed smoothly without becoming stiff.
  • the slider can be provided which carrying out the engagement and disengagement of the first and second magnetic elements 72 A, 72 B by sliding the element rows of the fastener 71 .
  • the engagement and disengagement of the first and second magnetic elements 72 A, 72 B can be carried out securely and the opening and closing of the fastener 71 can be carried out smoothly. Further, if this slider is provided with a lock mechanism, the slider 71 can be stopped halfway of the element rows.
  • the fastener 71 of the sixth embodiment when the fastener 71 is closed, the front edge portion 79 provided on the head portion 77 of one magnetic element 72 A ( 72 B) is inserted into and mechanically fitted to the neck portion 80 provided on the head portion 77 of the other magnetic element 72 B ( 72 A).
  • the lateral pulling resistance of the fastener can be improved when the fastener 71 is closed, and if the lateral pulling force is applied, the engagement state of the first and second magnetic elements 72 A, 72 B are stabilized and maintained.
  • the magnet 6 of one magnetic element 72 A ( 72 B) enters into the groove portion 75 of the other magnetic element 72 B ( 72 A), so that if the fastener 71 receives a push-up force in the height direction, the disengagement of the magnetic elements 72 A, 72 B can be prevented effectively.
  • the magnets are buried in the respective magnetic elements so that a magnetic force occurs along the longitudinal direction or the width direction of the fastener tapes and thereby, the right and left magnetic elements are adsorbed to each other.
  • means for providing the magnetic elements with a predetermined magnetism is not limited to the above feature.
  • the magnetic elements provided in lines on the fastener tapes are formed by injection molding synthetic resin containing powder of magnetic material such as metallic powder and then, a powerful magnetic field is added only to the magnetic elements or the head portions of the magnetic elements in a predetermined direction and magnetizing is carried out so as to generate a magnetic force in the longitudinal direction or the width direction of the fastener tapes.
  • FIG. 15 a fastener 81 which is a modification of the fastener according to the aforementioned second embodiment is shown in FIG. 15 .
  • First and second magnetic elements 82 A, 82 B disposed in the fastener 81 shown in FIG. 15 are formed by injection molding synthetic resin containing metallic power such as iron powder on the first and second fastener tapes 2 A, 2 B.
  • first and second magnetic elements 82 A, 82 B are magnetized such that the front sides of the longitudinal direction of the fastener tapes of the head portions 87 serve as N poles while the rear sides serve as S poles.
  • the right and left first and second magnetic elements 82 A, 82 B can have magnetism in which the magnetic poles on the same side in the longitudinal direction of the fastener tapes are the same poles, so that the magnetic elements can be engaged with each other alternately using the magnetic force occurring along the longitudinal direction of the fastener tapes when the fastener 81 is closed.
  • the magnetic field is added to the head portions 87 of first and second the magnetic elements 82 A, 82 B and the respective magnetic elements 82 A, 82 B are magnetized.
  • the invention by adding the magnetic field to the entire first and second magnetic elements 82 A, 82 B including the leg portions 88 in the longitudinal direction of the fastener tapes after the injection molding of the first and second magnetic elements 82 A, 82 B, it is possible to provide the first and second magnetic elements 82 A, 82 B with magnetism in which the magnetic poles on the same side in the longitudinal direction of the fastener tapes are the same poles.
  • first and second magnetic elements containing magnetic material are injection molded and then, magnetic field is added to the head portions of the elements or the entire elements, so that the first and second magnetic elements are magnetized such that the magnetic poles on the same side in the longitudinal direction or the width direction of the fastener tapes become the same poles.
  • the invention is attached to an opening of a fly of clothes having plasticity, an opening in a bag, or the like.
  • the invention can be applied to a fastener for opening or closing the opening using a magnetic force of a magnet.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Slide Fasteners (AREA)
US11/803,038 2006-05-30 2007-05-11 Fastener Abandoned US20070277353A1 (en)

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JP2006150394A JP4610521B2 (ja) 2006-05-30 2006-05-30 ファスナー
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US9604109B2 (en) 2008-03-28 2017-03-28 John Travis Gaffney Golf club head cover
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US20220110395A1 (en) * 2019-01-10 2022-04-14 Miklós László KÁROLY Magnetic zipper structure, without slider
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DE102007024118A1 (de) 2007-12-06
JP4610521B2 (ja) 2011-01-12
CN101081115A (zh) 2007-12-05
TW200819076A (en) 2008-05-01
CN100528027C (zh) 2009-08-19
TWI318103B (en) 2009-12-11

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