US3640507A - Barbed wire of increased tear resistance - Google Patents

Barbed wire of increased tear resistance Download PDF

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Publication number
US3640507A
US3640507A US31655A US3640507DA US3640507A US 3640507 A US3640507 A US 3640507A US 31655 A US31655 A US 31655A US 3640507D A US3640507D A US 3640507DA US 3640507 A US3640507 A US 3640507A
Authority
US
United States
Prior art keywords
wire
barbed
displaced
barbs
barbed wire
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
US31655A
Other languages
English (en)
Inventor
Heinz Volbach
Oscar Julien Van Driessche
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.)
Arbed SA Arbed Felton & Guille
Arbed Sa Arbed-Felton & Guilleaume Vereinigte Drahtwerke
Original Assignee
Arbed SA Arbed Felton & Guille
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 Arbed SA Arbed Felton & Guille filed Critical Arbed SA Arbed Felton & Guille
Application granted granted Critical
Publication of US3640507A publication Critical patent/US3640507A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/02—Wire fencing, e.g. made of wire mesh
    • E04H17/04—Wire fencing, e.g. made of wire mesh characterised by the use of specially adapted wire, e.g. barbed wire, wire mesh, toothed strip or the like; Coupling means therefor
    • E04H17/045—Barbed wire or toothed strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F25/00—Making barbed wire

Definitions

  • the barbed wire is periodically crimped or shaped into a waveform that the extensibility is greatly increased and the tendency to tear during mounting and pretensioning is greatly decreased.
  • the wire takes a permanent set in crimping or waving as a result of which the apparent length of a given portion of wire is decreased. During pretensioning the crimps or waves tend to straighten out and the extensibility of the wire is therefore substantially increased and breakage of the wire is avoided.
  • FIG. 1 is a side view of a length of barbed, twisted wire showing a crimp therein;
  • FIG. 2 is again a length of barbed, twisted wire in which individual wires are crimped.
  • FIG. 3 shows a length of barbed wire which is not pretwisted and in which the wires are both given a waveform.
  • FIG. 2 again shows a twisted two-strand barbed wire, but in this case wire I is crimped at position 5, whereas wire 2 is crimped at position 6 between the two barbs shown.
  • the wires 1 and 2 must be mounted slidably upon each other; otherwise wire 2 would be subjected to the entire stress at position 5, and wire I would take the entire stress at position 6.
  • the number of crimps in wire I must equal the number of crimps in wire 2 and the size of the crimps must be essentially the same for both wires, when measured over a length of wire which is long compared to the distance between successive crimps.
  • the arrangement can obviously be extended to three or more strands in a wire structure.
  • FIG. 3 shows an example in which the two strands of the wire comprising the barbed wire are not twisted together.
  • the wires are bent into the form of a wave. This wave can be impressed periodically on the barbed wire as it is manufactured. Obviously, a wave could be impressed on the twisted wire strands as well.
  • the frequency of the waves and the displacement of the waves from the straight line between successive barbs will depend on the desired increase in extensibility for the wire structure.
  • the completed barbed wire can have crimps spaced between successive barbs, or more than one crimp between successive barbs, or crimps smaller in number than the number of barbs.
  • a barbed wire comprising two twisted wires and barbs secured to said twisted wires at spaced intervals, each of said twisted wires including wire portions laterally displaced from a straight line connecting consecutive barbs through a distance greater than the remainder of said twisted wires, the displaced portions of one wire being spaced in the direction of said twisted wires from the displaced portions of the other twisted wire.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Wire Processing (AREA)
US31655A 1969-09-10 1970-04-24 Barbed wire of increased tear resistance Expired - Lifetime US3640507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691945730 DE1945730A1 (de) 1969-09-10 1969-09-10 Stacheldraht

Publications (1)

Publication Number Publication Date
US3640507A true US3640507A (en) 1972-02-08

Family

ID=5745050

Family Applications (1)

Application Number Title Priority Date Filing Date
US31655A Expired - Lifetime US3640507A (en) 1969-09-10 1970-04-24 Barbed wire of increased tear resistance

Country Status (7)

Country Link
US (1) US3640507A (fr)
BE (1) BE755735A (fr)
BR (1) BR7018414D0 (fr)
DE (1) DE1945730A1 (fr)
FR (1) FR2061104A5 (fr)
LU (1) LU60678A1 (fr)
NL (1) NL7009604A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD426489S (en) * 1999-02-09 2000-06-13 Monika Winderl Barbed wire wreath
US7661656B1 (en) * 2007-01-30 2010-02-16 Gibbs Edward L Barbed tape
USD670820S1 (en) * 2011-02-21 2012-11-13 Moses Linnie L Purple coated barbed wire fencing
USD672158S1 (en) * 2010-07-19 2012-12-11 Karl Hellberg Elastomeric barbwire cordage
USD722705S1 (en) * 2013-05-21 2015-02-17 Linnie L. Moses Purple coated barbed wire fencing
USD792268S1 (en) * 2015-09-29 2017-07-18 Cherish Forever Inc. Portion of a jewelry article
USD1073979S1 (en) * 2021-05-26 2025-05-06 Wireman Pty Limited Fencing lanyard

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435982A1 (fr) * 1978-09-14 1980-04-11 Trefilunion Procede et dispositif de fabrication de ronces artificielles et ronces ainsi obtenues

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US189122A (en) * 1877-04-03 Improvement in barbed fence-wires
US301086A (en) * 1884-07-01 Assig
US511458A (en) * 1893-12-26 Wire fence
US638320A (en) * 1898-06-15 1899-12-05 Francis C Carroll Barbed wire.
US783436A (en) * 1904-12-07 1905-02-28 Thomas Huberdeau Wire-fence guard.
US2973185A (en) * 1958-07-26 1961-02-28 Brixner Rudolf Josef Georg Barbed wire
US3503590A (en) * 1967-04-14 1970-03-31 Bekaert Pvba Leon Meshed fencing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US189122A (en) * 1877-04-03 Improvement in barbed fence-wires
US301086A (en) * 1884-07-01 Assig
US511458A (en) * 1893-12-26 Wire fence
US638320A (en) * 1898-06-15 1899-12-05 Francis C Carroll Barbed wire.
US783436A (en) * 1904-12-07 1905-02-28 Thomas Huberdeau Wire-fence guard.
US2973185A (en) * 1958-07-26 1961-02-28 Brixner Rudolf Josef Georg Barbed wire
US3503590A (en) * 1967-04-14 1970-03-31 Bekaert Pvba Leon Meshed fencing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD426489S (en) * 1999-02-09 2000-06-13 Monika Winderl Barbed wire wreath
US7661656B1 (en) * 2007-01-30 2010-02-16 Gibbs Edward L Barbed tape
USD672158S1 (en) * 2010-07-19 2012-12-11 Karl Hellberg Elastomeric barbwire cordage
USD670820S1 (en) * 2011-02-21 2012-11-13 Moses Linnie L Purple coated barbed wire fencing
USD722705S1 (en) * 2013-05-21 2015-02-17 Linnie L. Moses Purple coated barbed wire fencing
USD792268S1 (en) * 2015-09-29 2017-07-18 Cherish Forever Inc. Portion of a jewelry article
USD1073979S1 (en) * 2021-05-26 2025-05-06 Wireman Pty Limited Fencing lanyard

Also Published As

Publication number Publication date
BR7018414D0 (pt) 1973-04-17
DE1945730A1 (de) 1971-03-18
FR2061104A5 (fr) 1971-06-18
NL7009604A (fr) 1971-03-12
LU60678A1 (fr) 1970-06-09
BE755735A (fr) 1971-02-15

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