FR2196870A1 - - Google Patents

Info

Publication number
FR2196870A1
FR2196870A1 FR7330596A FR7330596A FR2196870A1 FR 2196870 A1 FR2196870 A1 FR 2196870A1 FR 7330596 A FR7330596 A FR 7330596A FR 7330596 A FR7330596 A FR 7330596A FR 2196870 A1 FR2196870 A1 FR 2196870A1
Authority
FR
France
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
FR7330596A
Other languages
French (fr)
Other versions
FR2196870B1 (pt
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of FR2196870A1 publication Critical patent/FR2196870A1/fr
Application granted granted Critical
Publication of FR2196870B1 publication Critical patent/FR2196870B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
    • B23D31/002—Breaking machines, i.e. pre-cutting and subsequent breaking
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/307—Combined with preliminary weakener or with nonbreaking cutter
    • Y10T225/321—Preliminary weakener
    • Y10T225/325—With means to apply moment of force to weakened work
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/4979—Breaking through weakened portion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Continuous Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Forging (AREA)
FR7330596A 1972-08-24 1973-08-23 Expired FR2196870B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8407672A JPS5142349B2 (pt) 1972-08-24 1972-08-24

Publications (2)

Publication Number Publication Date
FR2196870A1 true FR2196870A1 (pt) 1974-03-22
FR2196870B1 FR2196870B1 (pt) 1976-04-30

Family

ID=13820378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7330596A Expired FR2196870B1 (pt) 1972-08-24 1973-08-23

Country Status (5)

Country Link
US (1) US3866449A (pt)
JP (1) JPS5142349B2 (pt)
DE (1) DE2342145A1 (pt)
FR (1) FR2196870B1 (pt)
GB (1) GB1404102A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178246C (nl) * 1976-11-01 1986-02-17 Philips Nv Werkwijze voor het breken van glazen optische vezels.
US4203539A (en) * 1978-10-23 1980-05-20 The Boeing Company Method and apparatus for cutting optical fibers
US4545515A (en) * 1984-07-06 1985-10-08 Fletcher-Terry Corporation Sheet cutting machine
US5407116A (en) * 1989-10-04 1995-04-18 Zexel Corporation Method and apparatus for cutting flat tubes
US5201117A (en) * 1991-11-04 1993-04-13 General Motors Corporation Method and apparatus for sizing and cutting tubing
DE10053863C1 (de) * 2000-10-27 2002-02-07 Hans Ernst Weerth Verfahren und Vorrichtung zur Trennung eines Rohres
JP5349926B2 (ja) * 2008-12-01 2013-11-20 昭和電工株式会社 パイプの切断方法及び感光ドラム基体の製造方法
US10656335B2 (en) 2018-07-18 2020-05-19 International Business Machines Corporation Cleaving fibers of differing composition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859851A (en) * 1931-08-03 1932-05-24 Ralph C Stiefel Straightening machine
US2014203A (en) * 1934-03-22 1935-09-10 Karl L Herrmann Machine for forming roller blanks
US3052975A (en) * 1957-09-05 1962-09-11 John C Walters Method of severing metal articles
US3138308A (en) * 1961-05-08 1964-06-23 Oakley Indusatries Inc Tube cutting apparatus
US3515326A (en) * 1968-05-17 1970-06-02 Hachiro Saito Apparatus for cutting of steel bars
US3659764A (en) * 1970-03-16 1972-05-02 Kasimir Janiszewski Method and apparatus for severing cylindrical stock

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
JPS4939891A (pt) 1974-04-13
JPS5142349B2 (pt) 1976-11-15
US3866449A (en) 1975-02-18
FR2196870B1 (pt) 1976-04-30
GB1404102A (en) 1975-08-28
DE2342145A1 (de) 1974-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse