CA2206925C - Constant current needle annealing - Google Patents

Constant current needle annealing Download PDF

Info

Publication number
CA2206925C
CA2206925C CA002206925A CA2206925A CA2206925C CA 2206925 C CA2206925 C CA 2206925C CA 002206925 A CA002206925 A CA 002206925A CA 2206925 A CA2206925 A CA 2206925A CA 2206925 C CA2206925 C CA 2206925C
Authority
CA
Canada
Prior art keywords
current
constant current
annealing
needle
constant
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 - Fee Related
Application number
CA002206925A
Other languages
English (en)
French (fr)
Other versions
CA2206925A1 (en
Inventor
George Schob
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.)
Ethicon Inc
Original Assignee
Ethicon Inc
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 Ethicon Inc filed Critical Ethicon Inc
Publication of CA2206925A1 publication Critical patent/CA2206925A1/en
Application granted granted Critical
Publication of CA2206925C publication Critical patent/CA2206925C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/26—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for needles; for teeth for card-clothing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06066—Needles, e.g. needle tip configurations
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Surgical Instruments (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Resistance Heating (AREA)
  • Heat Treatment Of Articles (AREA)
CA002206925A 1996-06-06 1997-06-04 Constant current needle annealing Expired - Fee Related CA2206925C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/659,492 1996-06-06
US08/659,492 US5868994A (en) 1996-06-06 1996-06-06 Constant current needle annealing

Publications (2)

Publication Number Publication Date
CA2206925A1 CA2206925A1 (en) 1997-12-06
CA2206925C true CA2206925C (en) 2008-12-16

Family

ID=24645626

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002206925A Expired - Fee Related CA2206925C (en) 1996-06-06 1997-06-04 Constant current needle annealing

Country Status (10)

Country Link
US (2) US5868994A (US07943777-20110517-C00090.png)
EP (1) EP0811699B1 (US07943777-20110517-C00090.png)
JP (1) JP4169378B2 (US07943777-20110517-C00090.png)
CN (1) CN1171448A (US07943777-20110517-C00090.png)
AU (1) AU723695B2 (US07943777-20110517-C00090.png)
BR (1) BR9703480B1 (US07943777-20110517-C00090.png)
CA (1) CA2206925C (US07943777-20110517-C00090.png)
DE (1) DE69706369T2 (US07943777-20110517-C00090.png)
IN (1) IN191884B (US07943777-20110517-C00090.png)
ZA (1) ZA974979B (US07943777-20110517-C00090.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7001472B2 (en) * 2001-10-15 2006-02-21 Ethicon, Inc. Method of selectively annealing a needle
US7887746B2 (en) * 2007-12-13 2011-02-15 Ethicon, Inc. Rapid thermal treatment for coloring surgical needles
US8021598B2 (en) 2007-12-13 2011-09-20 Ethicon, Inc. Rapid thermal treatment for enhancing bending stiffness and yield moment of curved needles
TWI509698B (zh) 2013-12-25 2015-11-21 Ind Tech Res Inst 用於退火裝置的樣品座與使用此樣品座的電流輔助退火裝置
IT201600105817A1 (it) * 2016-10-20 2018-04-20 Otomec S R L Impianto per il rivestimento elettrolitico di un filo o nastro di alluminio
CN109471405B (zh) * 2018-12-13 2024-03-19 重庆龙煜精密铜管有限公司 退火炉加热管电流监控改造装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957123A (en) * 1959-04-06 1960-10-18 Stauffer Chemical Co Constant current network level selector
FR1435154A (fr) * 1965-03-04 1966-04-15 Ct De Rech S De Pont A Mousson Procédé et installation pour le traitement thermique de fils d'acier
US3418447A (en) * 1965-09-01 1968-12-24 Cheston Company Resistance metal heater
JPS4843762B1 (US07943777-20110517-C00090.png) * 1970-10-14 1973-12-20
US3673378A (en) * 1971-02-01 1972-06-27 Peter C Kesling Arch wire annealer
US3746582A (en) * 1971-08-26 1973-07-17 Southwire Co Method of producing annealed stranded cable
US3842239A (en) * 1972-12-08 1974-10-15 Interstate Drop Forge Co Power control circuit for resistance heating moving conductors
DE2320395A1 (de) * 1973-04-21 1974-10-31 Berkenhoff & Drebes Gmbh Verfahren und vorrichtung zur herstellung von draht
DE2457225C3 (de) * 1974-12-04 1981-02-19 Meyer, Roth & Pastor Maschinenfabrik Gmbh, 5000 Koeln Verfahren und Vorrichtung zum Erhitzen von Drahtpinnen für die Herstellung von Kettengliedern durch elektrische Widerstandserhitzung
DE2533288A1 (de) * 1975-07-25 1977-02-17 Roth Gmbh & Co Kg Maschf Einrichtung zum gluehen von kontinuierlich laufendem metalldraht durch strombeaufschlagung des drahtes
DE2629911C3 (de) * 1976-07-01 1980-06-04 Mannesmann Ag, 4000 Duesseldorf Verfahren und Vorrichtung zum fortlaufenden elektrischen Widerstandserwärmen eines langgestreckten Gutes endlicher Länge
US4147570A (en) * 1976-09-28 1979-04-03 The Torrington Company Method of making textile element
DD128919B1 (de) * 1976-10-06 1980-08-06 Michael Wiederhold Schaltungsanordnung zur regelung der heizspannung von drahterwaermungsanlagen
SE7707127L (sv) * 1977-06-20 1978-12-21 Bulten Kanthal Ab Anordning for glodgning av trad-, band- och stangformigt gods
DD141199A1 (de) * 1979-02-27 1980-04-16 Joerg Krieger Einrichtung und schaltungsanordnung zur messung des gluehniveaus von draehten
DD141198A1 (de) * 1979-02-27 1980-04-16 Joerg Krieger Einrichtung und schaltungsanordnung zur festigkeitsmessung gegluehter draehte
GB2091002A (en) * 1981-01-08 1982-07-21 Standard Telephones Cables Ltd Annealing metal wires
US4441013A (en) * 1981-06-15 1984-04-03 American Analytic Technology, Inc. Dental instrument heater
US4409042A (en) * 1982-03-19 1983-10-11 Western Electric Company, Inc. Method and apparatus for measuring the temperature of moving elongated articles and application thereof
DE3326162C2 (de) * 1983-07-20 1985-07-18 Diósgyöri Gépgyár, Miskolc Elektrische Speiseeinheit für eine mit Hochgeschwindigkeit arbeitende Kurzstreckenanlage für das Weichglühen von Drähten
US5304534A (en) * 1989-11-07 1994-04-19 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for forming high-critical-temperature superconducting layers on flat and/or elongated substrates
US5477604A (en) * 1993-11-01 1995-12-26 Smith; Daniel Process for manufacturing taper point surgical needles

Also Published As

Publication number Publication date
CN1171448A (zh) 1998-01-28
JP4169378B2 (ja) 2008-10-22
US5968394A (en) 1999-10-19
DE69706369T2 (de) 2002-04-25
EP0811699A1 (en) 1997-12-10
IN191884B (US07943777-20110517-C00090.png) 2004-01-10
ZA974979B (en) 1998-12-07
AU723695B2 (en) 2000-09-07
EP0811699B1 (en) 2001-08-29
US5868994A (en) 1999-02-09
CA2206925A1 (en) 1997-12-06
DE69706369D1 (de) 2001-10-04
AU2370897A (en) 1997-12-11
JPH1096013A (ja) 1998-04-14
BR9703480B1 (pt) 2009-08-11
BR9703480A (pt) 1998-09-08

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EEER Examination request
MKLA Lapsed

Effective date: 20160606