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FR2378123A1 - Mfr. of metal handle from rods - by twisting, compressing and untwisting the rods - Google Patents

Mfr. of metal handle from rods - by twisting, compressing and untwisting the rods

Info

Publication number
FR2378123A1
FR2378123A1 FR7701863A FR7701863A FR2378123A1 FR 2378123 A1 FR2378123 A1 FR 2378123A1 FR 7701863 A FR7701863 A FR 7701863A FR 7701863 A FR7701863 A FR 7701863A FR 2378123 A1 FR2378123 A1 FR 2378123A1
Authority
FR
France
Prior art keywords
rods
helix
handle
compressing
degrees
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.)
Granted
Application number
FR7701863A
Other languages
French (fr)
Other versions
FR2378123B1 (en
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.)
BOUVET ETS H
Original Assignee
BOUVET ETS H
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 BOUVET ETS H filed Critical BOUVET ETS H
Priority to FR7701863A priority Critical patent/FR2378123A1/en
Publication of FR2378123A1 publication Critical patent/FR2378123A1/en
Application granted granted Critical
Publication of FR2378123B1 publication Critical patent/FR2378123B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K13/00—Making locksmiths' goods, e.g. handles for cases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/16—Auxiliary apparatus
    • D07B7/18—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes
    • D07B7/187—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes for forming bulbs in ropes or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forging (AREA)

Abstract

Process comprises (a) helically winding a bundle of elongate metal rods around a central rod in such a way that a helix is obtd. having an angle of 30-40 degrees to its longitudinal axis; (b) removing the central rod; (c) cutting the helix to a predetermined length; (d) welding together each of the adjacent rods at the ends of the cut length; (e) axially compressing the helix in the cavity of a mould corresponding to the desired final shape of the handle, and finally (f) heating the handle to about 600 degrees and opening the helix slightly by applying a twisting force in a direction opposite to that in which the rods were initially twisted. The handles can be continuously produced thus saving prodn. time without affecting product quality or strength.
FR7701863A 1977-01-24 1977-01-24 Mfr. of metal handle from rods - by twisting, compressing and untwisting the rods Granted FR2378123A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7701863A FR2378123A1 (en) 1977-01-24 1977-01-24 Mfr. of metal handle from rods - by twisting, compressing and untwisting the rods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701863A FR2378123A1 (en) 1977-01-24 1977-01-24 Mfr. of metal handle from rods - by twisting, compressing and untwisting the rods

Publications (2)

Publication Number Publication Date
FR2378123A1 true FR2378123A1 (en) 1978-08-18
FR2378123B1 FR2378123B1 (en) 1979-05-11

Family

ID=9185817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701863A Granted FR2378123A1 (en) 1977-01-24 1977-01-24 Mfr. of metal handle from rods - by twisting, compressing and untwisting the rods

Country Status (1)

Country Link
FR (1) FR2378123A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0442935A4 (en) * 1988-11-14 1992-06-03 Garford Pty Ltd Improved rock anchor and method of manufacture
WO1997018908A1 (en) * 1995-11-17 1997-05-29 Roy Beecher Apparatus for forming metal
EP1621266A1 (en) * 2004-07-19 2006-02-01 CML International S.p.a. Method of, and machine for making a spiral decorative element of metal
US7458242B2 (en) 2004-09-13 2008-12-02 Dywidag-Systems International Pty Limited Apparatus and method for manufacturing a rock bolt
CN102832525A (en) * 2012-09-03 2012-12-19 遵义市飞宇电子有限公司 Processing technology for spiral bulge-type contact pin
CN110518434A (en) * 2019-08-23 2019-11-29 贵州航天电器股份有限公司 It is a kind of to rush fat mold for double fat twist needles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0442935A4 (en) * 1988-11-14 1992-06-03 Garford Pty Ltd Improved rock anchor and method of manufacture
WO1997018908A1 (en) * 1995-11-17 1997-05-29 Roy Beecher Apparatus for forming metal
US6009738A (en) * 1995-11-17 2000-01-04 Beecher; Roy Apparatus for forming metal
EP1621266A1 (en) * 2004-07-19 2006-02-01 CML International S.p.a. Method of, and machine for making a spiral decorative element of metal
US7458242B2 (en) 2004-09-13 2008-12-02 Dywidag-Systems International Pty Limited Apparatus and method for manufacturing a rock bolt
CN102832525A (en) * 2012-09-03 2012-12-19 遵义市飞宇电子有限公司 Processing technology for spiral bulge-type contact pin
CN110518434A (en) * 2019-08-23 2019-11-29 贵州航天电器股份有限公司 It is a kind of to rush fat mold for double fat twist needles

Also Published As

Publication number Publication date
FR2378123B1 (en) 1979-05-11

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Legal Events

Date Code Title Description
ST Notification of lapse