US20120036685A1 - Metal Tooth For Zipper - Google Patents

Metal Tooth For Zipper Download PDF

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Publication number
US20120036685A1
US20120036685A1 US12/855,914 US85591410A US2012036685A1 US 20120036685 A1 US20120036685 A1 US 20120036685A1 US 85591410 A US85591410 A US 85591410A US 2012036685 A1 US2012036685 A1 US 2012036685A1
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US
United States
Prior art keywords
metal
zipper
tooth
neck
base
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
US12/855,914
Inventor
Ching-Tsun WANG
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US12/855,914 priority Critical patent/US20120036685A1/en
Publication of US20120036685A1 publication Critical patent/US20120036685A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section

Definitions

  • the present invention relates to an improved structure of metal zipper and more particularly, to a metal tooth for zipper, which enhances its engagement with the zipper tape, avoiding vibration relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper.
  • the metal tooth has a concave surface portion formed in the protruding tooth head thereof so that less friction is produced when the metal zipper is closed or opened.
  • each metal tooth 4 comprises a base 40 , a mounting hole 41 transversely cut through two opposite lateral sides of the base 40 for mounting.
  • the mounting hole 41 has an outer open end 411 , an inner close end 413 and a neck 412 spaced between the outer open end 411 and the inner close end 413 .
  • the base 40 has two protruding engagement portions 414 disposed at two opposite sides of the neck 412 of the mounting hole 41 (see FIG. 3 ) for engaging into the top and bottom sides of the longitudinal inner edges 31 of the respective zipper tape 3 .
  • This design of metal tooth 4 has drawbacks as follows:
  • the present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a metal tooth for metal zipper, which enhances its engagement with the zipper tape, avoiding vibration relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper.
  • a metal tooth for metal zipper has a mounting hole located on one end of the base thereof, two first engagement portions and two second engagement portions formed integral with the base at two opposite sides of the mounting hole for engaging into the top and bottom sides of the inner edge of the respective zipper tape to deform the respective inner edge during installation so that engagement between the zipper tape and the metal tooth is enhanced, avoiding vibration of the metal tooth relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper.
  • metal tooth has a concave surface portion formed in the protruding tooth head thereof so that less friction is produced when the metal zipper is closed or opened.
  • FIG. 1 is a schematic sectional view of a part of a metal zipper according to the prior art.
  • FIG. 2 is an enlarged view of a part of FIG. 1 , illustrating the positioning of one metal tooth on the respective zipper tape.
  • FIG. 3 is a plain view of one metal tooth of the metal zipper according to the prior art.
  • FIG. 4 is a schematic sectional view illustrating a metal tooth fastened to one zipper tape according to the present invention.
  • FIG. 5 is a sectional view of one metal tooth for zipper according to the present invention.
  • FIG. 6 is an elevational view of the metal tooth shown in FIG. 5 .
  • FIG. 7 is a schematic sectional view of a part of a metal zipper according to the present invention.
  • a metal zipper 2 (see FIG. 7 ) is shown, comprising two zipper tapes 21 each having a longitudinal inner edge 211 , two series of metal teeth 1 respectively and transversely affixed to the zipper tapes 21 and spaced along the respective longitudinal inner edges 211 in a staggered manner.
  • the two series of metal teeth 1 can be interlocked, forming a chain.
  • Each metal tooth 1 comprises a base 10 , a mounting hole 11 transversely cut through one end, namely, the inner end of the base 10 on the middle (see FIG.
  • the mounting hole 11 has an outer open end 111 , an inner close end 115 , a first neck 112 spaced between the outer open end 111 and the inner close end 115 , a second neck 114 spaced between the first neck 112 and the inner close end 115 , and a flank portion 113 defined between the first neck 112 and the second neck 114 .
  • the base 10 has two opposing first engagement portions 116 respectively disposed at two opposite sides of the first neck 112 , and two opposing second engagement portions 117 respectively disposed at two opposite sides of the second neck 114 .
  • the base 10 of each metal tooth 1 is affixed to the longitudinal inner edge 211 of one respective zipper tape 21 .
  • the first engagement portions 116 and second engagement portions 117 of the base 10 of each metal tooth 1 are respectively engaged into the top and bottom sides of the inner edge 211 of the respective zipper tape 21 to deform the respective inner edge 211 , enhancing engagement between the zipper tape 21 and the metal tooth 1 , avoiding vibration of the metal tooth 1 relative to the zipper tape 21 and prolonging the lifespan of the metal zipper.
  • Each metal tooth 1 further comprises a notch 13 located on the other lateral side of the outer end of the base 10 opposite to the protruding tooth head 12 .
  • the protruding tooth head 12 has a bevel face 121 located on one side thereof adjacent to the mounting hole 11 , a slope face 122 located on an opposite side thereof remote from the mounting hole 11 and a concave surface portion 1221 formed in the slope face 122 . Further, the slope face 122 may be smoothly arched.
  • the concave surface portions 1221 of the metal teeth 1 at one zipper tape 21 provide a respective space for receiving the outer end edges 131 of the metal teeth 1 at the other zipper tape 21 (see FIG. 7 ), avoiding friction between the two series of metal teeth 1 and facilitating metal zipper closing or opening operation.
  • the mounting hole 11 of the base 10 of each metal tooth 1 of the present invention has an outer open end 111 , an inner close end 115 , a first neck 112 spaced between the outer open end 111 and the inner close end 115 , a second neck 114 spaced between the first neck 112 and the inner close end 115 and a flank portion 113 defined between the first neck 112 and the second neck 114 , and the base 10 of each metal tooth 1 of the present invention has two opposing first engagement portions 116 respectively disposed at two opposite sides of the first neck 112 , and two opposing second engagement portions 117 respectively disposed at two opposite sides of the second neck 114 .
  • the first engagement portions 116 and second engagement portions 117 of the base 10 of each metal tooth 1 are respectively engaged into the top and bottom sides of the inner edge 211 of the respective zipper tape 21 to deform the respective inner edge 211 , enhancing engagement between the zipper tape 21 and the metal tooth 1 , avoiding vibration of the metal tooth 1 relative to the zipper tape 21 and prolonging the lifespan of the metal zipper.
  • the protruding tooth head 12 has a bevel face 121 located on one side thereof adjacent to the mounting hole 11 , a slope face 122 located on an opposite side thereof remote from the mounting hole 11 and a concave surface portion 1221 formed in the slope face 122 . Subject to the effect of the concave surface portion 1221 , less friction or resistance is produced when closing or opening the two series of metal teeth 1 ,
  • the invention has the following benefits:

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  • Slide Fasteners (AREA)

Abstract

In a metal zipper, each metal tooth has a mounting hole located on one end of the base thereof, two first engagement portions and two second engagement portions formed integral with the base at two opposite sides of the mounting hole for engaging into the top and bottom sides of the inner edge of the respective zipper tape to deform the respective inner edge during installation so that engagement between the zipper tape and the metal tooth is enhanced, avoiding vibration of the metal tooth relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper. Further, each metal tooth has a concave surface portion formed in the protruding tooth head thereof so that less friction is produced when the metal zipper is closed or opened.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to an improved structure of metal zipper and more particularly, to a metal tooth for zipper, which enhances its engagement with the zipper tape, avoiding vibration relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper. Further, the metal tooth has a concave surface portion formed in the protruding tooth head thereof so that less friction is produced when the metal zipper is closed or opened.
  • 2. Description of the Related Art
  • In a regular metal zipper, as shown in FIG. 1, metal teeth 4 are respectively fastened to the longitudinal inner edges 31 of the respective zipper tapes 3 by a press or installation tool (not shown). According to this design, each metal tooth 4 comprises a base 40, a mounting hole 41 transversely cut through two opposite lateral sides of the base 40 for mounting. The mounting hole 41 has an outer open end 411, an inner close end 413 and a neck 412 spaced between the outer open end 411 and the inner close end 413. The base 40 has two protruding engagement portions 414 disposed at two opposite sides of the neck 412 of the mounting hole 41 (see FIG. 3) for engaging into the top and bottom sides of the longitudinal inner edges 31 of the respective zipper tape 3. This design of metal tooth 4 has drawbacks as follows:
    • 1. The metal tooth 4 simply uses the two protruding engagement portions 414 of the base 40 to engage the top and bottom sides of the longitudinal inner edges 31 of the respective zipper tape 3. When the user pulls the slide 5 to close or open the metal teeth 4, the metal teeth 4 may be biased or forced out of place, causing a slide jam.
    • 2. When sliding the slide 5 to close or open the metal zipper, the outer end edges 421 of the protruding tooth heads 42 of the metal teeth 4 at one zipper tape 3 may be forced to rub against the outer end edges 401′ of the bases 40′ of the metal teeth 4′ at the other zipper tape 3, producing frictional resistance. Thus, closing or opening the metal zipper become unsmooth.
    SUMMARY OF THE INVENTION
  • The present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a metal tooth for metal zipper, which enhances its engagement with the zipper tape, avoiding vibration relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper.
  • It is another object of the present invention to provide a metal tooth for metal zipper, which reduces friction when the metal zipper is opened or closed, facilitating smooth operation of the metal zipper.
  • To achieve these and other objects of the present invention, a metal tooth for metal zipper has a mounting hole located on one end of the base thereof, two first engagement portions and two second engagement portions formed integral with the base at two opposite sides of the mounting hole for engaging into the top and bottom sides of the inner edge of the respective zipper tape to deform the respective inner edge during installation so that engagement between the zipper tape and the metal tooth is enhanced, avoiding vibration of the metal tooth relative to the zipper tape during operation of the metal zipper and prolonging the lifespan of the metal zipper.
  • Further, metal tooth has a concave surface portion formed in the protruding tooth head thereof so that less friction is produced when the metal zipper is closed or opened.
    • BRIEF DESCRIPTION OF THE DRAWING
  • FIG. 1 is a schematic sectional view of a part of a metal zipper according to the prior art.
  • FIG. 2 is an enlarged view of a part of FIG. 1, illustrating the positioning of one metal tooth on the respective zipper tape.
  • FIG. 3 is a plain view of one metal tooth of the metal zipper according to the prior art.
  • FIG. 4 is a schematic sectional view illustrating a metal tooth fastened to one zipper tape according to the present invention.
  • FIG. 5 is a sectional view of one metal tooth for zipper according to the present invention.
  • FIG. 6 is an elevational view of the metal tooth shown in FIG. 5.
  • FIG. 7 is a schematic sectional view of a part of a metal zipper according to the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Referring to FIGS. 4˜7, a metal zipper 2 (see FIG. 7) is shown, comprising two zipper tapes 21 each having a longitudinal inner edge 211, two series of metal teeth 1 respectively and transversely affixed to the zipper tapes 21 and spaced along the respective longitudinal inner edges 211 in a staggered manner. By means of pulling a slide (not shown) in one direction, the two series of metal teeth 1 can be interlocked, forming a chain. Each metal tooth 1 comprises a base 10, a mounting hole 11 transversely cut through one end, namely, the inner end of the base 10 on the middle (see FIG. 6), and a protruding tooth head 12 protruded from one lateral side of an opposite end, namely, the outer end of the base 10. The mounting hole 11 has an outer open end 111, an inner close end 115, a first neck 112 spaced between the outer open end 111 and the inner close end 115, a second neck 114 spaced between the first neck 112 and the inner close end 115, and a flank portion 113 defined between the first neck 112 and the second neck 114. The base 10 has two opposing first engagement portions 116 respectively disposed at two opposite sides of the first neck 112, and two opposing second engagement portions 117 respectively disposed at two opposite sides of the second neck 114. By means of the first engagement portions 116 and second engagement portions 117, the base 10 of each metal tooth 1 is affixed to the longitudinal inner edge 211 of one respective zipper tape 21. During installation, the first engagement portions 116 and second engagement portions 117 of the base 10 of each metal tooth 1 are respectively engaged into the top and bottom sides of the inner edge 211 of the respective zipper tape 21 to deform the respective inner edge 211, enhancing engagement between the zipper tape 21 and the metal tooth 1, avoiding vibration of the metal tooth 1 relative to the zipper tape 21 and prolonging the lifespan of the metal zipper.
  • Each metal tooth 1 further comprises a notch 13 located on the other lateral side of the outer end of the base 10 opposite to the protruding tooth head 12. Further, the protruding tooth head 12 has a bevel face 121 located on one side thereof adjacent to the mounting hole 11, a slope face 122 located on an opposite side thereof remote from the mounting hole 11 and a concave surface portion 1221 formed in the slope face 122. Further, the slope face 122 may be smoothly arched. Subject to the effect of the concave surface portion 1221, less friction or resistance is produced when closing or opening the two series of metal teeth 1, i.e., when closing or opening the metal zipper 2, the concave surface portions 1221 of the metal teeth 1 at one zipper tape 21 provide a respective space for receiving the outer end edges 131 of the metal teeth 1 at the other zipper tape 21 (see FIG. 7), avoiding friction between the two series of metal teeth 1 and facilitating metal zipper closing or opening operation.
  • When compared to the prior art design, the mounting hole 11 of the base 10 of each metal tooth 1 of the present invention has an outer open end 111, an inner close end 115, a first neck 112 spaced between the outer open end 111 and the inner close end 115, a second neck 114 spaced between the first neck 112 and the inner close end 115 and a flank portion 113 defined between the first neck 112 and the second neck 114, and the base 10 of each metal tooth 1 of the present invention has two opposing first engagement portions 116 respectively disposed at two opposite sides of the first neck 112, and two opposing second engagement portions 117 respectively disposed at two opposite sides of the second neck 114. During installation, the first engagement portions 116 and second engagement portions 117 of the base 10 of each metal tooth 1 are respectively engaged into the top and bottom sides of the inner edge 211 of the respective zipper tape 21 to deform the respective inner edge 211, enhancing engagement between the zipper tape 21 and the metal tooth 1, avoiding vibration of the metal tooth 1 relative to the zipper tape 21 and prolonging the lifespan of the metal zipper. Further, the protruding tooth head 12 has a bevel face 121 located on one side thereof adjacent to the mounting hole 11, a slope face 122 located on an opposite side thereof remote from the mounting hole 11 and a concave surface portion 1221 formed in the slope face 122. Subject to the effect of the concave surface portion 1221, less friction or resistance is produced when closing or opening the two series of metal teeth 1,
  • In general, the invention has the following benefits:
    • 1. By means of the first engagement portions 116 and second engagement portions 117, the base 10 of each metal tooth 1 is affixed to the longitudinal inner edge 211 of one respective zipper tape 21. During installation, the first engagement portions 116 and second engagement portions 117 of the base 10 of each metal tooth 1 are respectively engaged into the top and bottom sides of the inner edge 211 of the respective zipper tape 21 to deform the respective inner edge 211, enhancing engagement between the zipper tape 21 and the metal tooth 1, avoiding vibration of the metal tooth 1 relative to the zipper tape 21 and prolonging the lifespan of the metal zipper.
    • 2. When closing or opening the metal zipper 2, the concave surface portions 1221 of the metal teeth 1 at one zipper tape 21 provide a respective space for receiving the outer end edges 131 of the metal teeth 1 at the other zipper tape 21 (see FIG. 7), avoiding friction between the two series of metal teeth 1 and facilitating metal zipper closing or opening operation.
  • While only one embodiment of the present invention has been shown and described, it will be understood that various modifications and changes could be made thereunto without departing from the spirit and scope of the invention disclosed.

Claims (2)

What is claimed is:
1. A metal zipper comprising two zipper tapes each having a longitudinal inner edge, and two series of metal teeth respectively and transversely affixed to the longitudinal inner edges of said zipper tapes and respectively spaced along the longitudinal inner edges of said zipper tapes in a staggered manner for interlocking, each said metal tooth comprising a base, a mounting hole transversely cut through an inner end of said base on the middle and a protruding tooth head protruded from one lateral side of an opposite end of said base, wherein said mounting hole of each said metal tooth comprises an outer open end, an inner close end, a first neck spaced between said outer open end and said inner close end, a second neck spaced between said first neck and said inner close end, and a flank portion defined between said first neck and said second neck; said base comprises two opposing first engagement portions respectively disposed at two opposite sides of said first neck and two opposing second engagement portions respectively disposed at two opposite sides of said second neck.
2. The metal zipper as claimed in claim 1, wherein each said metal tooth further comprises a concave surface portion formed in the slope face of the protruding tooth head thereof.
US12/855,914 2010-08-13 2010-08-13 Metal Tooth For Zipper Abandoned US20120036685A1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20130094A1 (en) * 2013-02-05 2014-08-06 Ykk Corp LAMPO HINGE AND COUPLING ELEMENTS FOR A LAMPO HINGE
US20160015133A1 (en) * 2014-07-18 2016-01-21 Roger C. Y. Chung Zipper with stamped metal zipper teeth
WO2019105257A1 (en) * 2017-11-29 2019-06-06 东莞市光亮科技有限公司 Semi-circular zipper and sliders used cooperatively
USD906878S1 (en) * 2019-04-21 2021-01-05 Yixing Delin Garments Technology Co., Ltd. Pair of zipper teeth
CN112543602A (en) * 2018-08-06 2021-03-23 Ykk株式会社 Fastener element and slide fastener

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571095A (en) * 1925-07-02 1926-01-26 Hood Rubber Co Inc Multiple fastener
US1673322A (en) * 1926-06-29 1928-06-12 North & Judd Mfg Co Flexible closure
US2378719A (en) * 1942-04-15 1945-06-19 Davis Marinsky Single stringer separable fastener
US6070306A (en) * 1999-11-19 2000-06-06 Wang; Wallace Stop and zipper teeth arrangement
US6182338B1 (en) * 1998-01-30 2001-02-06 Ykk Corporation Female-male engaging device with tapes
US20080209695A1 (en) * 2007-03-02 2008-09-04 Ykk Corporation Slide fastener engaging element and slide fastener
US20110000053A1 (en) * 2008-03-26 2011-01-06 Ykk Corporation Slide Fastener
US20110041296A1 (en) * 2008-01-08 2011-02-24 Ykk Corporation Slide Fastener
USD644564S1 (en) * 2010-07-21 2011-09-06 Ykk Corporation Chain for slide fastener
US20110265291A1 (en) * 2009-01-13 2011-11-03 Ykk Coporation Slide Fastener

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571095A (en) * 1925-07-02 1926-01-26 Hood Rubber Co Inc Multiple fastener
US1673322A (en) * 1926-06-29 1928-06-12 North & Judd Mfg Co Flexible closure
US2378719A (en) * 1942-04-15 1945-06-19 Davis Marinsky Single stringer separable fastener
US6182338B1 (en) * 1998-01-30 2001-02-06 Ykk Corporation Female-male engaging device with tapes
US6070306A (en) * 1999-11-19 2000-06-06 Wang; Wallace Stop and zipper teeth arrangement
US20080209695A1 (en) * 2007-03-02 2008-09-04 Ykk Corporation Slide fastener engaging element and slide fastener
US8015674B2 (en) * 2007-03-02 2011-09-13 Ykk Corporation Slide fastener engaging element and slide fastener
US20110041296A1 (en) * 2008-01-08 2011-02-24 Ykk Corporation Slide Fastener
US20110000053A1 (en) * 2008-03-26 2011-01-06 Ykk Corporation Slide Fastener
US20110265291A1 (en) * 2009-01-13 2011-11-03 Ykk Coporation Slide Fastener
USD644564S1 (en) * 2010-07-21 2011-09-06 Ykk Corporation Chain for slide fastener

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20130094A1 (en) * 2013-02-05 2014-08-06 Ykk Corp LAMPO HINGE AND COUPLING ELEMENTS FOR A LAMPO HINGE
WO2014122589A1 (en) * 2013-02-05 2014-08-14 Ykk Corporation Coupling element, slide fastener stringer and slide fastener
CN104968232A (en) * 2013-02-05 2015-10-07 Ykk株式会社 Coupling element, slide fastener stringer and slide fastener
US20160015133A1 (en) * 2014-07-18 2016-01-21 Roger C. Y. Chung Zipper with stamped metal zipper teeth
WO2019105257A1 (en) * 2017-11-29 2019-06-06 东莞市光亮科技有限公司 Semi-circular zipper and sliders used cooperatively
US11103032B2 (en) 2017-11-29 2021-08-31 Bright Technology Co., Ltd Half-round zipper and slider therefor
CN112543602A (en) * 2018-08-06 2021-03-23 Ykk株式会社 Fastener element and slide fastener
US11324290B2 (en) * 2018-08-06 2022-05-10 Ykk Corporation Element and slide fastener
USD906878S1 (en) * 2019-04-21 2021-01-05 Yixing Delin Garments Technology Co., Ltd. Pair of zipper teeth

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