US3855673A - Slide-fastener stringer - Google Patents

Slide-fastener stringer Download PDF

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Publication number
US3855673A
US3855673A US00282553A US28255372A US3855673A US 3855673 A US3855673 A US 3855673A US 00282553 A US00282553 A US 00282553A US 28255372 A US28255372 A US 28255372A US 3855673 A US3855673 A US 3855673A
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US
United States
Prior art keywords
tape
coupling
barbs
slide
links
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.)
Expired - Lifetime
Application number
US00282553A
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English (en)
Inventor
H Heimberger
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.)
Opti Holding AG
Original Assignee
Opti Holding AG
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 Opti Holding AG filed Critical Opti Holding AG
Application granted granted Critical
Publication of US3855673A publication Critical patent/US3855673A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/12—Interlocking member in the shape of a continuous helix
    • 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
    • Y10T24/2518—Zipper or required component thereof having coiled or bent continuous wire interlocking surface
    • Y10T24/2525—Zipper or required component thereof having coiled or bent continuous wire interlocking surface with mounting portion having structural formations complementary to stitching
    • 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
    • Y10T24/2518—Zipper or required component thereof having coiled or bent continuous wire interlocking surface
    • Y10T24/2527—Attached by stitching

Definitions

  • ABSTRACT A slide-fastener stringer has two support tapes to whose confronting edges are stitched respective interleavable coupling elements.
  • Each coupling element is a continuous synthetic-resin monofilament of helical or meandering shape forming a multiplicity of integrally interconnected links each having a pair of shanks connected together at one end by a coupling head and each connected at the other end by a respective bight to a shank of a neighboring link.
  • One or both shanks of each link are provided with at least one laterally projecting barb formed by partially chipping a longitudinal sliver from the monofilament, without completely severing it from the body thereof, bending that sliver transversely outwardly and thermofixing it in this position.
  • the stitching securing each link to the tape is locked in place by passing between this barb and the connecting bight.
  • Other such barbs may bite into the fabric of the tape to help hold the coupling element in position.
  • My present invention relates to a slide-fastener stringer half with integrally interconnected links having coupling heads matingly engageable with those of a substantially symmetrical element, these links being constituted by a unitary coupling element of syntheticresin monofilament stitched to a supporting tape.
  • Another object is to provide such a coupling element with a configuration enabling its stable positioning on an associated stringer tape.
  • a helical or meandering coupling element of monofilamentary synthetic resin e.g. polyamide
  • monofilamentary synthetic resin e.g. polyamide
  • barbs serve as locators co-operating with the stitching in fixedly securing the monofilamentary body to its supporting stringer tape, as by engaging the stitching loops and/or by penetrating into meshes of the tape fabric.
  • the barbs may also be confrontingly disposed on adjacent links to maintain a predetermined minimum spacing therebetween; they may further serve as abutments for the opposite coupling heads to limit the extent of interpenetration of the links of the two mating coupling elements.
  • each barb is formed by partially chipping a longitudinal sliver from the side of the monofilament while leaving that sliver connected at one end to the body of the coupling element.
  • the sliver is then bent generally perpendicularly outwardly and thermally fixed in its transverse position, advantageously at the same time that the entire body is stabilized by such heat treatment.
  • FIG. 1 is a top view of a slide-fastener stringer according to the present invention
  • FIG. 2 is a top view of two interleaved coupling elements forming part of the stringer of FIG. 1;
  • FIG. 3 is a cross-sectional view taken along line III- III of FIG. 2;
  • FIG. 4 is a view similar to FIG. 2 but showing a pair of modified coupling elements
  • FIG. 5 is a cross-sectional view taken along line V-V of FIG. 4;
  • FIG. 6 is a cross-sectional view similar to FIGS. 2 and 4, illustrating a further modification
  • FIGS. 7A-7C show successive steps in the formation of a coupling element according to my invention.
  • a slide-fastener stringer comprises a pair of generally helical coupling elements 1 secured to edge portions of respective support tapes 2 by means of stitching 3.
  • Each coupling element 1 consists of a multiplicity of links 4 each including an upper shank 4a remote from the tape surface, a lower shank 4b lying on the tape, a front bight 4c formed as a coupling head, and a back bight 4d connecting each link 4 to a neighboring link.
  • the shanks 4a and 4b are generally perpendicular to the longitudinal coupler axis 8 (FIG. 2).
  • Each upper shank 4a is formed, at a location set back from its coupling head 40, with an integral barb 5' projecting laterally therefrom substantially parallel to axis 8. These barbs 5' engage the stitching 3 looped around the rear part of each link 4 so that the knot formed by the two-thread double-locked stitch (Federal Standard type 401) is securely contained on all four sides between the barbs and the back bights 4d. Since the top of the stringer is left free of any stitch-retaining formations, the danger of catching on the wearers garments is greatly reduced.
  • the sliver-like barbs 5 function as abutments for the opposite coupling heads, thereby limiting the interpenetration or overlap 6 of the mating links of the two elements 1. They also serve to define the interlink spacing 7 (FIG. 4) by virtue of their confronting disposition on adjoining links 4, two aligned barbs being provided for this purpose on each upper shank 4a (see also FIG. 5).
  • the lower shanks 4b may be provided with similar barbs 5" which penetrate into the textile tapes 2 and prevent creeping of the coupling element 1 thereon This requires, of course, that the barbs 5" be so oriented as to point downwardly into the tapes; FIGS. 5 and 6 also clearly show a similar downward pointing of the upper barbs 5' to avoid any risk of entanglement with the garments of the wearer as mentioned above.
  • the upper and lower barbs 5', 5" have the same orientation relative to the monofilamentary body from which they are cut by the same process, described below, which leaves a shallow depression 11 adjacent each barb. This depression is not so deep as to result in an appreciable weakening of the monofilament, even where the latter is of small diameter. The same would be true if the monofilamentary body 1 were of meandering shape, rather than helicoidal as shown.
  • FlGS. 7A7C show how a blade 9, which may be part of the coil-forming equipment, is brought into engagement with the monofilament to cut therefrom a sliver 5'.
  • FIG. 781 have shown how the sliver 5 so formed is then bent back to project at a right angle from the monofilament body.
  • a heat lamp 10 irradiates the resulting barb 5' to stabilize it by a thermofixing operation of the type conventionally employed in the production of slide fasteners of this nature.
  • a slide-fastener half comprising:
  • a coupling element of continuous synthetic-resin monofilament extending longitudinally on a surface of said tape, said element consisting of a multiplicity of integrally interconnected links each including a coupling head matingly engageable with a pair of similar coupling heads of a substantially symmetrical coupling element;
  • locator means on said coupling element co-operating with said stitching for securing said links to said tape in substantially fixed positions
  • said locator means including a plurality of elongate barbs on at least some of said links set back from said coupling heads, said barbs projecting integrally from the monofilamentary body of said element, each barb being a sliver partly severed from said body whereby a shallow longitudinal depression is formed adjacent the barb and substantially complementary to the shape thereof, the barb having the same molecular orientation as said body upon being bent back into the adjacent depression but being stabilized in position to resist being thus bent back.

Landscapes

  • Slide Fasteners (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Bedding Items (AREA)
  • Package Frames And Binding Bands (AREA)
US00282553A 1971-08-20 1972-08-21 Slide-fastener stringer Expired - Lifetime US3855673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712141687 DE2141687B2 (de) 1971-08-20 1971-08-20 Verfahren zum herstellen eines reissverschlusses

Publications (1)

Publication Number Publication Date
US3855673A true US3855673A (en) 1974-12-24

Family

ID=5817236

Family Applications (1)

Application Number Title Priority Date Filing Date
US00282553A Expired - Lifetime US3855673A (en) 1971-08-20 1972-08-21 Slide-fastener stringer

Country Status (10)

Country Link
US (1) US3855673A (de)
BG (1) BG19091A3 (de)
BR (1) BR7205586D0 (de)
DD (1) DD98023A5 (de)
DE (1) DE2141687B2 (de)
FR (1) FR2150331B1 (de)
GB (1) GB1390046A (de)
PL (1) PL78300B1 (de)
RO (1) RO59344A (de)
SU (1) SU414769A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130104348A1 (en) * 2011-11-01 2013-05-02 Lien-Chou Wang Double Sided Nylon Sandwich Mesh Fabric Zipper And Slider Assembly

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB874494A (en) * 1957-06-27 1961-08-10 Wilhelm Uhrig An improved sliding-clasp type fastener
US3022803A (en) * 1959-06-26 1962-02-27 Prym Werke William Method of producing slide fasteners
US3248767A (en) * 1961-09-18 1966-05-03 Hansen Harry Slide fasteners
US3266114A (en) * 1959-02-21 1966-08-16 Novi Patentverwertungs G M B H Sliding clasp fasteners
DE1263375B (de) * 1962-04-11 1968-03-14 Prym Werke William Reissverschluss
FR1529317A (fr) * 1966-07-05 1968-06-14 Opti Holding Ag Fermeture à glissière couverte, notamment pour l'industrie de l'habillement
FR1531836A (fr) * 1966-07-15 1968-07-05 Opti Holding Ag Fermeture à glissière couverte
CH479268A (de) * 1969-03-21 1969-10-15 Opti Holding Ag Reissverschluss aus Kunststoffmonofilament
US3772743A (en) * 1970-10-10 1973-11-20 Opti Holding Ag Slide-fastener stringer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB874494A (en) * 1957-06-27 1961-08-10 Wilhelm Uhrig An improved sliding-clasp type fastener
US3266114A (en) * 1959-02-21 1966-08-16 Novi Patentverwertungs G M B H Sliding clasp fasteners
US3022803A (en) * 1959-06-26 1962-02-27 Prym Werke William Method of producing slide fasteners
US3248767A (en) * 1961-09-18 1966-05-03 Hansen Harry Slide fasteners
DE1263375B (de) * 1962-04-11 1968-03-14 Prym Werke William Reissverschluss
FR1529317A (fr) * 1966-07-05 1968-06-14 Opti Holding Ag Fermeture à glissière couverte, notamment pour l'industrie de l'habillement
FR1531836A (fr) * 1966-07-15 1968-07-05 Opti Holding Ag Fermeture à glissière couverte
CH479268A (de) * 1969-03-21 1969-10-15 Opti Holding Ag Reissverschluss aus Kunststoffmonofilament
US3772743A (en) * 1970-10-10 1973-11-20 Opti Holding Ag Slide-fastener stringer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130104348A1 (en) * 2011-11-01 2013-05-02 Lien-Chou Wang Double Sided Nylon Sandwich Mesh Fabric Zipper And Slider Assembly
US8707524B2 (en) * 2011-11-01 2014-04-29 Lien-Chou Wang Double sided nylon sandwich mesh fabric zipper and slider assembly

Also Published As

Publication number Publication date
DE2141687A1 (de) 1973-03-01
RO59344A (de) 1976-02-15
BR7205586D0 (pt) 1973-07-10
DD98023A5 (de) 1973-06-05
BG19091A3 (de) 1975-04-30
DE2141687B2 (de) 1973-08-02
FR2150331A1 (de) 1973-04-06
SU414769A3 (de) 1974-02-05
FR2150331B1 (de) 1976-08-13
PL78300B1 (de) 1975-04-30
GB1390046A (en) 1975-04-09

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