US3490108A - Slide fastener - Google Patents

Slide fastener Download PDF

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Publication number
US3490108A
US3490108A US624647A US3490108DA US3490108A US 3490108 A US3490108 A US 3490108A US 624647 A US624647 A US 624647A US 3490108D A US3490108D A US 3490108DA US 3490108 A US3490108 A US 3490108A
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US
United States
Prior art keywords
openings
fabric
coupling elements
heads
coupling
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
US624647A
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English (en)
Inventor
Alfons Frohlich
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 US3490108A publication Critical patent/US3490108A/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
    • A44B19/24—Details
    • A44B19/34—Stringer tapes; Flaps secured to stringers for covering the interlocking members
    • A44B19/346—Woven stringer tapes
    • 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
    • Y10T24/252—Zipper or required component thereof having coiled or bent continuous wire interlocking surface with stringer tape interwoven or knitted therewith
    • 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
    • Y10T24/253—Zipper or required component thereof having coiled or bent continuous wire interlocking surface with stringer tape having distinctive property [e.g., heat sensitive]

Definitions

  • a slide-fastener assembly having a pair of slide-fastener halves with fabric support tapes woven to form a row of throughgoing openings along an edge of each tape and at least one cord interwoven into the fabric along this edge so as to define a bead.
  • Respective coupling elements each extending along the respective tape and formed with a series of spaced-apart coupling heads interfittable with one another, are inserted through the openings of the respective tapes whereby the beads thereof lie along corresponding flanks of the coupling elements.
  • the fabric tapes are folded at these openings so that a web portion of each tape (designed to aflix the latter to a support) lies along the other flank of each coupling element.
  • the openings are formed by omitting certain warp threads in the region of the bead while the weft threads defining the openings are thermoplastic and are provided with retaining formations limiting inward movement of the warp threads extending along each row of openings.
  • the fabric is shrunk against the coupling element by thermal or chemical means and the coupling elements have shanks between which a flexible core of fibrous material or elastomer passes and serves as mandrels about which the tape is bent so that the bead covers a substantial portion of the flank of the coupling element.
  • My present invention relates to a slide-fastener assembly having a pair of interconnectable and separable slidefastener halves each provided with a respective fabric support tape and a coupling element afifixed to the tape at one edge thereof for mating engagement with the other coupling element upon movement of a slider along the tape.
  • Shrinkage is effected by heat, when the fabric is composed of thermoplastic threads, or by chemical treatment when natural fabrics are used.
  • shrinkage in the weft or transverse direction of the fabric is greater than that in the longitudinal or warp direction and the weft threads between the openings can be provided with formations serving as stops for the warp threads ordering these openings.
  • the openings can be punched from the fabric or formed by omission of corresponding warp threads in the Weaving 3,490,108 Patented Jan. 20, 1970 process.
  • a woven marginal portion of the fabric bands adjoining the bands of openings is turned about the shanks of the heads of the coupling element and about a core member inserted therethrough so as to overlie the inner portions of the coupling elements and expose only the heads thereof.
  • this marginal portion forms a U-section or partially closed sleeve in which the shanks of the coupling element and the core fillet is received.
  • the shank portion of the coupling elements can be retained in a woven tubular portion of the fabric tape extending along the edges of the respective slide-fastener head such that only the heads of the coupling element emerge from the throughgoing openings therein.
  • An object of this invention is to provide an improved slide-fastener assembly and method of making same whereby stitching of the coupling elements to the tape can be avoided.
  • 3,267,514 are inserted with their heads through the corresponding openings and are anchored to the tapes so that the heads lie along respective flanks of the coupling elements.
  • these beads lie in the planes parallel to the web portions of the respective tapes (by means of which the tapes are secured to their supports) while the flanks of the coupling elements are likewise generally planar.
  • the bead then not only serves as a guide for the slider and as a buffer and securing means for the coupling elements, but also partly encloses those portions of the coupling elements by which they are atfixed to the tape.
  • the coupling elements are of pear-shaped cross-section with relatively enlarged loop-shaped heads matingly interengageable with the heads of the other coupling elements, but with shanks which lie in planes perpendicular to the webs and to the aforementioned longitudinal dimension so that the heads can be relatively closely spaced to permit of a fine seam.
  • the fabric is composed of a shrinkable material, i.e. is woven or knitted from shrinkable threads or contains shrinkable filaments together with or incorporated in generally nonshrinkablo threads.
  • the shrinkable threads may be interspersed with nonshrinkable threads or disposed only between the openings while the balance of the threads constituting the fabric is of a nonshrinkable character.
  • the threads defining the openings are tightened about and hug the heads of the coupling elements while retaining same.
  • the shrinkage can be eifected by any conventional means so that, for example, when the shrinkable threads are composed of natural fibers shrinkable in water or chemical solutions, the shrinking operation can involve immersion, spraying or steam treatment of the tape.
  • the shrinkable threads For cotton-thread fabrics, treatment by immersion in aqueous caustic solutions, e.g. sodium hydroxide solutions, is preferred.
  • thermally contractile fiber or filament such as nylon or polyester, which shrinks upon heating at temperatures of 180 C. to 200 C. in steam or hot air for periods of 20 seconds to 2 minutes to hug and conform to the heads of the slide fastener.
  • the shaping of the heads can be effected by heat and pressure.
  • Coupling elements of this type are mechanically stable.
  • shrinkage may occur to alter the interhead spacing.
  • the weft threads defining the openings of the tape are formed, in the region of the warp threads bounding the respective row of openings on either side, with stops retaining these Warp threads from movement into the openings.
  • FIG. 1 is a view of a slide-fastener assembly in crosssection along a plane perpendicular to the web portions of the slide-fastener halves;
  • FIG. 2 is a plan view of the slide fastener with the slider removed;
  • FIG. 3 is a plan view of a fabric band forming a righthand support tape for the slide fastener of FIGS. 1 and 2 prior to shrinkage;
  • FIG. 3A is a plan view thereof after insertion of the coupling element and after shrinkage.
  • FIG. 4 is a cross-sectional view of the support band prior to shrinkage and in accordance with one embodiment of this invention
  • FIG. 5 is a cross-sectional view similar to FIG. 4 of a modified system after shrinkage.
  • FIG. 6 is a cross-sectional view illustrating a portion of the slide-fastener half of FIG. 5 showing the coupling element about to be bent into position for use.
  • a slide fastener according to the present invention is designated generally at 20 and comprises a pair of slide-fastener halves 21, each shown fragmentarily in FIGS. 1 and 2 which respectively are comprised of fabric support tapes 1.
  • a coupling element 2 is mounted in a manner to be described in greater detail hereinbelow.
  • the coupling elements are formed with looped portions 3 at spaced locations along the continuous coupling chain, these looped portions being formed with heads 4 matingly interengageable with the heads of the other coupling elements as represented in FIG. 2.
  • the couping elements 2 are here shown to be of generally helicoidal configuration and have been compressed by heat and pressure to a pear-or keyhole-shaped cross-section whereby the coupling heads 3, 4 are interconnected by mutually parallel shanks 2a and 2b with bights 20 which join the shank 2a of one coupling head with the shank 2b of an adjoining coupling head of the same coupling element. Furthermore, the shanks 2a and 2b of each coupling head lie in a plane P perpendicular to the plane of the paper in FIG. 2 and to the longitudinal dimension L of the slidefastener assembly. The fact that the shank portions of each coupling head are coplanar eflfectively insures a minimum spacing between the coupling heads.
  • the tapes 1 have web portions extending from the edges 1a of the tape to the extremities thereof remote from the coupling elements, these web portions being indicated at 23.
  • the upper shank portions 2a and the lower shank portions 22) of the head of the coupling elements lie essentialy in respective planes P and P" which effectively are the planes of the flanks of the coupling element and are parallel to the web portions 23, to respective fillets 8 constituting cores within the coupling elements and to the plane of flexible filler threads 6 lying along the upper flanks of the coupling elements (FIG. 1) and forming beads 24 therealong.
  • the cord 6 represents a twisted, braided, woven or similar filler which can be of flattened configuration as illustrated in FIG. 1, may be generally kidney-shaped or may even be a thickened band covering substantially all of the shank portion of the coupled elements.
  • the bead is preferably formed, however, by weaving this cord 6 into the fabric via weft threads 22 which concurrently define the spaces between the openings 5 formed in the fabric.
  • the fabric member constituting the bands 1' which, upon shrinkage, form the tapes 1 retaining the coupling elements 2, comprise warp threads 11 extending in the longitudinal dimension L of the fabric, i.e. parallel to the cord 6 and transverse weft threads 10.
  • the row of openings 5 through which the heads 3, 4 of the coupling elements are inserted is defined between a pair of limiting weft threads 11 extending along this row on the opposite sides thereof and between sections 22 of the weft thread between the openings. 5.
  • the weft threads 22, moreover, are composed of thermally shrinkable synthetic resin material, e.g.
  • the weft threads 10 are, moreover, looped around the cord 6, as represented at 10, to anchor this cord, in the form of a fabric bead, along one longitudinal side of the band 1' adjoining the row of openings 5. As will be apparent from FIG.
  • the heads 3, 4 of the coupling elements 2 are thrust through the openings 5 from below. Frequently it is possible, especially when the openings 5 are formed by omission of warp threads and the weft threads 22 separating the openings 25 are separated only by the normal thread gap, to retain the coupling elements on the tape 1 without shrinkage (see FIG. 4). In this case, the threads 22 are deflected by the heads 3, 4 and retain the latter by friction. Normally, however, the fabric 1 will be shrunk (FIG. 3A) by a distance represented at d and d in FIG. 3 to condense the openings 5 as represented in dot-dash lines and thereby anchor the heads firmly between the weft threads 22.
  • This technique permits firm anchoring and positioning of the coupling elements and the respective heads without any stitching operation whatever.
  • the heads 3, 4 are thrust into the openings 5 until the threads 22 bear against the rubber or rubberized fabric cores 8 (FIG. 4), whereupon shrinkage can be carried out by thermal or chemical means to effect a linear shrinkage at least in the weft direction of about 5 to 15%.
  • the shrinkage in the longitudinal direction may be to a lesser extent, e.g. 5 to as previously mentioned.
  • the web portion 23 of the fabric can be folded back along the flanks of the coupling element 2 opposite that along which the head 24 is provided.
  • the bead 24' may be generally planar although formed from a pair of cords 6 of circular cross-section, both cords 6' being weaved into the fabric in a plane perpendicular thereto and, upon shrinkage of the fabric, lying along the outer flank of the coupling element 2'. Again the web portion may be folded under as represented under 23'.
  • a slider for opening and closing the fastener element is represented at S. It has also been observed that, when the threads 22 hug the neck of each head just rearwardly of the looped portion 3 thereof, and a core 8 is provided between the shanks of the coupling elements, the attachment of the coupling elements to the tape is substantially nonreleasable and permanent.
  • a slide fastener assembly having a pair of slidefastener halves, each provided with a respective support tape and a respective coupling element extending along the tape and formed with a series of spaced-apart coupling heads interfittable with the coupling heads of the other coupling element upon movement of a slider along said coupling elements, the improvement wherein:
  • said tapes are each formed with a respective row of throughgoing openings and with a bead adjoining said throughgoing openings and extending along the respective row;
  • the heads of said coupling elements project through said openings and are anchored therein to the respective tapes;
  • each head lies along a respective flank of the respective coupling elements
  • said tapes each have a web portion lying along the other flank of the respective coupling element
  • said support tapes are constituted at least in part of a shrinkable material
  • said coupling elements are anchored to said support tapes by shrunk regions of the tape surrounding each opening and hugging the respective head of the coupling elements;
  • the anchorage of said coupling elements to said tapes is free from stitching independent of the tapes.
  • a slide-fastener assembly having a pair of slide fastener halves, each provided with a respective support tape and a respective coupling element extending along the tape and formed with a series of spaced-apart coupling heads interfittable with the coupling heads of the other coupling element upon movement of a slider along said coupling elements, the improvement wherein:
  • said tapes are each formed with a respective row of throughgoing openings and with a bead adjoining said throughgoing openings and extending along the respective row;
  • the heads of said coupling elements project through said openings and are anchored therein to the respective tapes;
  • each bead lies along a respective flank of the respective coupling elements
  • said tapes each have a Web portion lying along the other flank of the respective coupling element
  • said support tapes are constituted at least in part of a shrinkable material
  • said coupling elements are anchored to said support tapes exclusively by shrunk regions of the tape surrounding each opening and hugging the respective head of the coupling elements.
  • At least one warp thread defines said openings of each tape along opposite longitudinal sides of the respective row and said openings are further defined by weft threads extending transversely of said row, the weft threads defining said openings being provided with stop formations for retaining said warp threads along the respective roW.
  • said support tapes are composed of a shrinkable woven fabric
  • said head is a flexible cord interwoven into said fabric
  • said coupling elements are each generally helicoidally coiled synthetic-resin filament formed with loops constituting the respective coupling heads and of generally pear-shaped cross-section whereby a pair of parallel shanks extend from each head, said shanks being covered at least in major part by said beads.
  • a method of making a slide-fastener assembly having a pair of slide-fastener halves each provided with a respective support tape and a respective coupling element extending along the tape and formed with a series of spaced-apart coupling heads interfittable with the coupling heads of the other coupling elements, said method comprising the steps of:
  • said tapes are composed of a fabric having warp threads running in the longitudinal dimension of each thread and weft threads extending transversely of said longitudinal dimension and said beads, said openings being formed during weaving of said fabric by omission of corresponding warp threads and said cord being interwoven in said fabric at least by said weft threads.
  • said woven threads are composed of a thermoplastic material and at least two warp threads extend longitudinally along 0pposite sides of each row, further comprising the step of deforming said weft threads adjacent the Warp threads along the rows of openings to provide retaining formations for said Warp threads.

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  • Slide Fasteners (AREA)
US624647A 1966-03-03 1967-03-01 Slide fastener Expired - Lifetime US3490108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO0011487 1966-03-03

Publications (1)

Publication Number Publication Date
US3490108A true US3490108A (en) 1970-01-20

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ID=7352344

Family Applications (1)

Application Number Title Priority Date Filing Date
US624647A Expired - Lifetime US3490108A (en) 1966-03-03 1967-03-01 Slide fastener

Country Status (9)

Country Link
US (1) US3490108A (xx)
BE (1) BE694736A (xx)
CH (1) CH454512A (xx)
DE (1) DE1610366B1 (xx)
DK (1) DK124917C (xx)
ES (1) ES337540A1 (xx)
FR (1) FR1512282A (xx)
GB (1) GB1173084A (xx)
NL (1) NL6703107A (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590881A (en) * 1969-10-22 1971-07-06 Textron Inc Slide fastener carrier tape
US3925857A (en) * 1973-09-17 1975-12-16 Yoshida Kogyo Kk Slider for a slide fastener
US4134353A (en) * 1971-11-19 1979-01-16 Textron Inc. Sliding clasp fastener and method of producing the same
US4543226A (en) * 1983-05-02 1985-09-24 Yoshida Kogyo K.K. Method and apparatus for heat setting fastener elements
US4736495A (en) * 1986-04-15 1988-04-12 Opti Patent-, Forschungs- Und Fabrikations- Ag Slide fastener with prefabricated coupling element
US20130104348A1 (en) * 2011-11-01 2013-05-02 Lien-Chou Wang Double Sided Nylon Sandwich Mesh Fabric Zipper And Slider Assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2016143C3 (de) * 1970-04-04 1982-12-23 Opti Patent-, Forschungs- und Fabrikations-AG, 8750 Glarus Reißverschluß mit gewirkten Tragbändern

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1609487A (en) * 1925-01-21 1926-12-07 Marinsky Davis Fastening device
US2045396A (en) * 1932-08-17 1936-06-23 Whitehall Patents Corp Separable fastener
US2268571A (en) * 1937-11-18 1942-01-06 Talon Inc Separable fastener
US2396912A (en) * 1943-12-22 1946-03-19 Campbell Lee Stringer tape for slide fasteners
US2567160A (en) * 1946-06-29 1951-09-04 Wahl Brothers Separable fastener
US3136016A (en) * 1963-04-12 1964-06-09 Scovill Manufacturing Co Plastic zipper with heat shielding
US3149389A (en) * 1958-08-07 1964-09-22 Wahl Brothers Zipper

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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DE101400C (xx) *
BE567680A (xx) *
GB538172A (xx) * 1900-01-01
US1937297A (en) * 1924-08-22 1933-11-28 Hookless Fastener Co Helical separable fastener
US2163413A (en) * 1936-03-23 1939-06-20 Universal Slide Fastener Co In Slide fastener
US2144591A (en) * 1936-10-08 1939-01-17 Sullivan & Sons Mfg Co J Tape with corded edges
US2400924A (en) * 1944-02-29 1946-05-28 Jr John E Fite Tape for slide fasteners
FR948044A (fr) * 1947-05-29 1949-07-20 F Calemard Ets Procédé de revêtement des joints, barres, barreaux, tubes, cadres, garnitures ou autres objets analogues
DE935662C (de) * 1951-03-25 1955-11-24 Arthur Fuehrer Reissverschluss und Verfahren zu seiner Herstellung
US2957204A (en) * 1953-05-12 1960-10-25 Conmar Prod Corp Method of manufacture of slide fasteners
DE1069544B (de) * 1955-10-21 1959-11-26 Fa Dr Ing Josef Ruhrmann Stuttgart Vaihmgen Reißverschluß und Verfahren zu seiner Herstellung
US2940478A (en) * 1956-06-13 1960-06-14 Talon Inc Slide fastener and tape therefor
DE1780608U (de) * 1958-11-13 1959-01-08 Rotl & Cie G Reissverschluss-tragband.
AT240311B (de) * 1959-06-26 1965-05-25 Prym Werke William Verfahren und Fäden zur Herstellung eines Reißverschlusses
DE1152072B (de) * 1959-08-03 1963-08-01 Ries G M B H Bekleidungsversch Reissverschluss
DE1844003U (de) * 1959-09-16 1961-12-28 Adolf Gerlach Reissverschluss.
FR1365073A (fr) * 1962-08-04 1964-06-26 Opti Holding Ag Perfectionnements apportés aux fermetures à glissière avec ressorts hélicoïdaux
NL135619C (xx) * 1966-01-31

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1609487A (en) * 1925-01-21 1926-12-07 Marinsky Davis Fastening device
US2045396A (en) * 1932-08-17 1936-06-23 Whitehall Patents Corp Separable fastener
US2268571A (en) * 1937-11-18 1942-01-06 Talon Inc Separable fastener
US2396912A (en) * 1943-12-22 1946-03-19 Campbell Lee Stringer tape for slide fasteners
US2567160A (en) * 1946-06-29 1951-09-04 Wahl Brothers Separable fastener
US3149389A (en) * 1958-08-07 1964-09-22 Wahl Brothers Zipper
US3136016A (en) * 1963-04-12 1964-06-09 Scovill Manufacturing Co Plastic zipper with heat shielding

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590881A (en) * 1969-10-22 1971-07-06 Textron Inc Slide fastener carrier tape
US4134353A (en) * 1971-11-19 1979-01-16 Textron Inc. Sliding clasp fastener and method of producing the same
US3925857A (en) * 1973-09-17 1975-12-16 Yoshida Kogyo Kk Slider for a slide fastener
US4543226A (en) * 1983-05-02 1985-09-24 Yoshida Kogyo K.K. Method and apparatus for heat setting fastener elements
US4736495A (en) * 1986-04-15 1988-04-12 Opti Patent-, Forschungs- Und Fabrikations- Ag Slide fastener with prefabricated coupling element
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
FR1512282A (fr) 1968-02-02
BE694736A (xx) 1967-07-31
CH454512A (de) 1968-04-15
DE1610366B1 (de) 1970-01-22
NL6703107A (xx) 1967-09-04
DK124917C (da) 1973-06-12
GB1173084A (en) 1969-12-03
ES337540A1 (es) 1968-10-16
DK124917B (xx) 1972-12-11

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