US3841473A - Fastener stack and fasteners having bodies of foam - Google Patents

Fastener stack and fasteners having bodies of foam Download PDF

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Publication number
US3841473A
US3841473A US00297814A US29781472A US3841473A US 3841473 A US3841473 A US 3841473A US 00297814 A US00297814 A US 00297814A US 29781472 A US29781472 A US 29781472A US 3841473 A US3841473 A US 3841473A
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US
United States
Prior art keywords
fastener
fasteners
stack
foam material
foam
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
US00297814A
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English (en)
Inventor
W Bagriel
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.)
Signode Corp
Original Assignee
Signode 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 Signode Corp filed Critical Signode Corp
Priority to US00297814A priority Critical patent/US3841473A/en
Priority to CA179,198A priority patent/CA987474A/en
Priority to DE19732346682 priority patent/DE2346682C3/de
Priority to GB4463573A priority patent/GB1394636A/en
Priority to FR7336732A priority patent/FR2203362A5/fr
Application granted granted Critical
Publication of US3841473A publication Critical patent/US3841473A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D67/00—Kinds or types of packaging elements not otherwise provided for
    • B65D67/02—Clips or clamps for holding articles together for convenience of storage or transport
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00—Special receptacle or package
    • Y10S206/82—Separable, striplike plural articles

Definitions

  • ABSTRACT Fasteners such as clips and seals are each provided [581 "206/56 DF 5 AB 46 H with a body of foam in its open zone.
  • the foam is car- 1 g gg W l74/84C 224/42 1 ried into a clinched joint to form a tight durable joint.
  • the foam may be used to unitize a stack of like fasteners, thereby to provide an easily handled, somewhat [56] References Clted bendable and pliable fastener stack.
  • the invention also relates to a stack of such fasteners, each fastener being adapted to be separated from the stack and to carry its body of foammaterial with the fastener as it is separated so that when it is clinched to form a joint the foam material will be positioned in the joint.
  • a variety of fasteners for securing elongate wires, strapping and other ligatures are known to the art. Some are adapted to be nested, thereby to form relatively compact stacks. Such a stack is illustrated in Kuster US. Pat. No. 3,032,l84. Other fasteners are adapted to be stacked in a side-by-side array. Such an array is illustrated in Blumensaadt US. Pat. No. 2,574,81 l.
  • Fasteners of those types are adapted to be closed and clinched about two or more elongate members, and a variety of machines have been designed for separating and feeding such fasteners from a magazine fed stack to a clinching mechanism in which such fasteners are clinched about such elongate members to be held.
  • Some such fasteners are referred to as seals, a term most commonly used when speaking of strapping fasteners, and some such fasteners are referred to as clips, a term most commonly used when speaking of wire fasteners.
  • the term fastener as used in this application is intended to embrace both types of fasteners.
  • fasteners may be individually inserted into the magazine of a fastening tool, wherever possible, a multiplicity of such fasteners is integrated into a stack thereby to facilitate their handling from the time they are made into a stack until the time they are driven from an appropriate fastening tool.
  • a recently suggested fastener unitizing method utilizes plastic filaments edge connected to a stack of fas teners. When the fasteners so unitized are severed from a stack, portions of the filamentsare carried by the edges of the fasteners, ultimately to be crimped-into a joint. Although joints soproduced areimproved upon prior art joints, they do require the formation of edge notches which in some fasteners cannot be used because of an insufficient amount of fastener material to permit notching.
  • a fastener defining an open zone to confront members to be held to each other is provided with abody of foam material disposed within at least a portion of the open zone.
  • a fastener is secured to members tobeheld together, the foam is compressed'between the members and the fastener.
  • Preferredfasteners are adapted and configured to receive elongate members, such as wires, and to be closed and clinched to embrace and hold the elongate members, the foam material being positioned within the closed fastener thereby toform a tight durable joint with the members embraced.
  • the foam is relatively flexible and resilient.
  • it also serves to connect adjacent like fasteners of a stack to each other, whether nested or not.
  • the foam is continuous throughout the length of a stack of like'fastene rs, thereby to unitize the stack as well as serving, upon severance of the individual fasteners and closure about the elongate members, cooperatively to form a tight durable joint.
  • FIG. 1 is an exploded perspective view of a fastener stack formed in accordance with the present invention
  • FIG. 2 is a bottom perspective view of the fastener stack of FIG. 1;
  • FIG. 3 is a perspective view of a fastener of FIG. 1 crimped about wires to form a joint;
  • FIGS. 4, S and 6 are exploded perspective views of further fastener stacks formed in accordance with this invention.
  • FIG. 7 is a view similar to FIG. 3, showing a fastener of FIG. 6 crimped about wires to form a joint.
  • a fastener stack 10 comprises a plurality of clips or fasteners 12.
  • Each fastener 12 may be formed in a conven-' tional manner from sheet metal and comprises rounded central body portion 14 and downwardly extending spaced leg members.
  • the leg members comprise a single front leg 16 and a pair of offset spaced back legs 18.
  • Legs 16 and 18 are spaced and with body portion 14 define a concave open zone '19 to receive wires to be clinched.
  • Such a fastener is especially adapted for securing the wires of springs for bedding and for seats to each other.
  • fastenerslZ are adapted to be positioned in an adjacent or juxtaposed relationship with respect to one another, preferably with the front and about 4 pounds per cubic feet, although foam having a substantially greater density should be useful as well. Such foam also has good adhesion characteristics. Foam F is continuous from fastener to fastener in stack 10, through the spaces between the adjacent legs of adjacent clips, thereby unitizing the fasteners into a fastener stack. Where the foam is not also adhesive, a suitable bonding agent may be provided for integrating the fastneers into a fastener stack and for causing the foam body B to be fast with each fastener 12 when it is separated from stack 10.
  • a stack of fasteners is adapted to be separated for feeding of the individual fasteners 12 which may then be clinched to form a joint.
  • a tool of the general character illustrated and described in Blumensaadt US. Pat. No. 2,574,81 1 may be used to feed and clinch fasteners 12.
  • Such a tool utilizes an anvil arrangement in which the legs of a fastener are gradually curled and clinched about two or more elongate members, such as wires to be used in mattresses or seating, the legs gradually closing to embrace, surround and hold the wires.
  • the foam body B is compressed against the wires within the fasteners, thereby to provide a strong, filled joint (see FIG. 3).
  • FIG. 4 illustrates a further fastener stack comprising a plurality of generally U-shaped fasteners 21 secured in an elongate array.
  • Fasteners 21 each comprises a central web 22 and a pair of front and back legs 24, and defines a concave open zone 26 to receive elongate members to be clinched together.
  • front and back legs 24 are solid across the entire width of the fastener and are adapted to confront and abut legs of adjacent fasteners 21.
  • Foam F is introduced into the stack ofjuxtaposed fasteners 21 to fill the open zones, the foam projecting outwardly beyond the periphery of the fasteners, i.e., in this case beyond the lowermost edges 28 of legs 24. Because the projecting foam is continuous throughout the length of the stack, it serves to integrate the stack of fasteners. It will be clear that the foam might also extend beyond the sides of the fasteners, thereby to provide a continuous body of foam for unitizing the fastener stack.
  • FIG. 5 illustrates another fastener assembly of this invention.
  • each of theplurality of fasteners 30 is similar to fasteners 20, except that the legs 32 diverge to allow the fasteners to nest.
  • Each fastener 30 defines a concave open zone 31 adapted to receive elongate members such as wires intermediate the ends of the wires and mounts a body of foam material B fast with the fastener, disposed within the open zone 3] and positioned to confront the elongate members to be held together.
  • the legs 32 of a fastener are closed about elongate wire members, the body of foam material B will be compressed against the wires to provide a tight joint.
  • the fasteners 30 are secured to each other for ready separation in a fastener tool. They are secured as by a suitable adhesive interposed between confronting portions of legs 32 or, for example, as by a properly configured dimple and recess assembly such as those illustrated in Kuster US. Pat. No. 3,032,184.
  • the foam material used for the body may also be between legs 32 to serve to secure the stack of fasteners 30 to each other.
  • FIG. 6 illustrates fastener members 40 of a J shape.
  • the fasteners are staggered as illustrated in FIG. 6 and are releasably bonded to each other by the resilient so that when it is compressed it tends to retain its memory, thereby to avoid its complete crushing. As such it is relatively uniformly dispersed and tightly compressed in joints, such as those in FIGS. 3 and 7. Further, variations in the wire sizes may be compensated for by the foam, making a given fastener adaptable to a wider range of applications than were prior art clips and fasteners. Joints in accordance with this invention also resist the twisting and movement of the wires in the joint, and, even if there is some relative movement, the joint tends to retain its noiseless characteristics.
  • Stacks with such flexible foams are rigid enough to be handled easily but are pliable and bendable to an extent, thereby minimizing breakage due trhandling.
  • other foams may be used as well and other fasteners, collated and stacked as desired, may also be used.
  • a fastener stack comprising a plurality of similarly shaped adjacent metal fasteners, each of which is adapted to hold elongate membersitoreach other, each fastener defining an open internal zone adapted to receive elongate members intermediate their ends and adapted to be closed to embrace and hold said elongate members, each fastener providing a body of given volume of compressible foam material fast therewithin and disposed within at least a portion of said open zone, said body being positioned to confront said elongate members, each of said fasteners being readily severable from said stack and proportioned to carry said body of foam material therewith, whereby when a severed fastener'is closed about said elongate members, foam material is displaced and compressed within said closed fastener to reduce very substantially the volume of said foam material and to place foam material in intimate retentive engagement with said elongate members.
  • a fastener stack in accordance with claim 1 in which said bodies of foam material are continuous and in said fastener stack.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Clamps And Clips (AREA)
  • Laminated Bodies (AREA)
US00297814A 1972-10-16 1972-10-16 Fastener stack and fasteners having bodies of foam Expired - Lifetime US3841473A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US00297814A US3841473A (en) 1972-10-16 1972-10-16 Fastener stack and fasteners having bodies of foam
CA179,198A CA987474A (en) 1972-10-16 1973-08-20 Fastener stacks and fasteners having bodies of foam
DE19732346682 DE2346682C3 (de) 1972-10-16 1973-09-17 Klammerstapel
GB4463573A GB1394636A (en) 1972-10-16 1973-09-24 Fasteners
FR7336732A FR2203362A5 (OSRAM) 1972-10-16 1973-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00297814A US3841473A (en) 1972-10-16 1972-10-16 Fastener stack and fasteners having bodies of foam

Publications (1)

Publication Number Publication Date
US3841473A true US3841473A (en) 1974-10-15

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ID=23147864

Family Applications (1)

Application Number Title Priority Date Filing Date
US00297814A Expired - Lifetime US3841473A (en) 1972-10-16 1972-10-16 Fastener stack and fasteners having bodies of foam

Country Status (4)

Country Link
US (1) US3841473A (OSRAM)
CA (1) CA987474A (OSRAM)
FR (1) FR2203362A5 (OSRAM)
GB (1) GB1394636A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909692A (en) * 1988-12-12 1990-03-20 Hendren Stephen R Electrical receptacle mounting spacers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152912A (ja) * 1982-03-05 1983-09-10 明邦株式会社 Ｕ字形クリツプ、その製造方法およびその組立体

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976592A (en) * 1956-03-15 1961-03-28 Faure Bertrand Ets Clip for binding together elements of elongated shape
US3376614A (en) * 1967-01-27 1968-04-09 Nat Mfg Company Inc Fishing rod holder
US3506116A (en) * 1968-12-13 1970-04-14 Thomas & Betts Corp Fully insulated c rings
US3647593A (en) * 1969-12-01 1972-03-07 Hartco Co Method of and apparatus for producing uniform lengths of ribbon-connected fastener clips
US3722670A (en) * 1971-03-19 1973-03-27 Signode Corp Clip stack

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976592A (en) * 1956-03-15 1961-03-28 Faure Bertrand Ets Clip for binding together elements of elongated shape
US3376614A (en) * 1967-01-27 1968-04-09 Nat Mfg Company Inc Fishing rod holder
US3506116A (en) * 1968-12-13 1970-04-14 Thomas & Betts Corp Fully insulated c rings
US3647593A (en) * 1969-12-01 1972-03-07 Hartco Co Method of and apparatus for producing uniform lengths of ribbon-connected fastener clips
US3722670A (en) * 1971-03-19 1973-03-27 Signode Corp Clip stack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909692A (en) * 1988-12-12 1990-03-20 Hendren Stephen R Electrical receptacle mounting spacers

Also Published As

Publication number Publication date
CA987474A (en) 1976-04-20
FR2203362A5 (OSRAM) 1974-05-10
DE2346682A1 (de) 1974-04-25
DE2346682B2 (de) 1976-12-16
GB1394636A (en) 1975-05-21

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