NO133260B - - Google Patents

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Info

Publication number
NO133260B
NO133260B NO1325/71A NO132571A NO133260B NO 133260 B NO133260 B NO 133260B NO 1325/71 A NO1325/71 A NO 1325/71A NO 132571 A NO132571 A NO 132571A NO 133260 B NO133260 B NO 133260B
Authority
NO
Norway
Prior art keywords
tool
thread
workpiece
rolling
grooves
Prior art date
Application number
NO1325/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO133260C (xx
Inventor
Y Yamamoto
Original Assignee
Res Eng & Mfg
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 Res Eng & Mfg filed Critical Res Eng & Mfg
Publication of NO133260B publication Critical patent/NO133260B/no
Publication of NO133260C publication Critical patent/NO133260C/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/027—Rolling of self-tapping screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Laminated Bodies (AREA)
NO1325/71A 1970-04-11 1971-04-06 NO133260C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3097070 1970-04-11

Publications (2)

Publication Number Publication Date
NO133260B true NO133260B (xx) 1975-12-29
NO133260C NO133260C (xx) 1976-04-07

Family

ID=12318510

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1325/71A NO133260C (xx) 1970-04-11 1971-04-06

Country Status (11)

Country Link
US (2) US3772720A (xx)
BE (1) BE765565A (xx)
CA (1) CA938058A (xx)
CH (1) CH531906A (xx)
DE (1) DE2115868A1 (xx)
ES (3) ES195338Y (xx)
FR (1) FR2089493A5 (xx)
GB (1) GB1293115A (xx)
NL (1) NL7104922A (xx)
NO (1) NO133260C (xx)
SE (1) SE382571B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934444A (en) * 1970-01-30 1976-01-27 Nl Industries, Inc. Method and apparatus for forming vibration-resistant thread-forming screw
US3872700A (en) * 1973-06-18 1975-03-25 Prutton Corp Lock thread die set and method
US4046051A (en) * 1974-11-14 1977-09-06 Industrial Fasteners Corporation Thread forming screw
US4315340A (en) * 1978-08-17 1982-02-16 Veldman Donald R Method and apparatus for making a self-thread creating fastener
US4259758A (en) * 1978-10-11 1981-04-07 Keeler Corporation Method of making a self-tapping screw
US4353233A (en) * 1981-01-29 1982-10-12 Amca International Corporation Dies for making thread-forming fasteners
US4712410A (en) * 1983-01-17 1987-12-15 Anderson-Cook, Inc. Method and apparatus for cold sizing a round workpiece having multiple diameters
DE3332570A1 (de) * 1983-09-09 1985-03-28 Friedr. Boesner GmbH, 5450 Neuwied Verfahren zur herstellung von selbstformenden und selbstsichernden schrauben mit zusaetzlicher abdicht- und/oder stell-eigenschaft
DE3337534A1 (de) * 1983-10-14 1985-05-02 Alfons 5758 Fröndenberg Knoche Universalschraube, werkzeug zur herstellung derartiger universalschrauben, und schraubendreher fuer derartige universalschrauben
JP3046746B2 (ja) * 1995-06-14 2000-05-29 ミネベア株式会社 ねじ及びねじの製造方法
CA2307587C (en) * 1997-10-30 2008-01-15 Wayne A. Willert A fastener having torque reducing thread
JP3379085B2 (ja) * 1998-02-26 2003-02-17 日本ビクター株式会社 偏向ヨーク及びネジコアの製造方法
US6170346B1 (en) * 1999-06-02 2001-01-09 Rexnord Corporation Rotary-to-linear actuator
US6324887B1 (en) 2000-05-02 2001-12-04 Lake Erie Screw Corp. Thread rolling dies and process for forming same
KR100419900B1 (ko) * 2001-08-02 2004-03-02 동남정밀공업 주식회사 나사가공용 다이스와 제조장치및 이를 이용한 다이스제조방법
JP2005288456A (ja) * 2004-03-31 2005-10-20 Sanmei Seisakusho:Kk 転造ダイス
US20060169015A1 (en) * 2005-01-28 2006-08-03 Garver Michael A Major diameter correcting re-roll thread rolling die
US9643236B2 (en) * 2009-11-11 2017-05-09 Landis Solutions Llc Thread rolling die and method of making same
DE202012000045U1 (de) * 2012-01-03 2012-02-08 Ruia Global Fasteners Ag Selbstfurchende Schraube
CN105269271A (zh) * 2015-11-27 2016-01-27 宁波敏达机电有限公司 三段式柱面螺栓的加工工艺
CN105402232A (zh) * 2016-01-11 2016-03-16 太仓市德浩紧固件有限公司 一种自攻螺钉

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US440331A (en) * 1890-11-11 Island
US446934A (en) * 1891-02-24 Making rolled forcings non-circular in cross-section
US2161610A (en) * 1934-04-24 1939-06-06 Gen Electric Method and apparatus for making self-tapping screws
GB466039A (en) * 1935-11-20 1937-05-20 Christiaan Hendrik Jasper Improvements in and relating to fixing or fastening screws
US2352982A (en) * 1942-06-25 1944-07-04 American Screw Co Screw for plastics
US2484645A (en) * 1946-10-23 1949-10-11 Illinois Tool Works Screw fastener
DE1400838A1 (de) * 1961-04-03 1968-11-14 Jllinois Tool Works Inc Befestigungselement
US3195156A (en) * 1961-06-27 1965-07-20 Res Engineering And Mfg Inc Method of producing thread swaging devices
US3452375A (en) * 1967-05-10 1969-07-01 Eric G Gabbey Process for producing self-locking screw threads
FR1556730A (xx) * 1967-06-05 1969-02-07

Also Published As

Publication number Publication date
GB1293115A (en) 1972-10-18
ES172010U (es) 1972-01-16
NL7104922A (xx) 1971-10-13
BE765565A (fr) 1971-08-30
FR2089493A5 (xx) 1972-01-07
DE2115868A1 (de) 1971-10-28
NO133260C (xx) 1976-04-07
SE382571B (sv) 1976-02-09
US3772720A (en) 1973-11-20
CA938058A (en) 1973-12-11
ES172010Y (es) 1972-08-16
ES195338U (es) 1975-02-16
ES195338Y (es) 1975-07-01
US3852992A (en) 1974-12-10
ES394587A1 (es) 1974-04-01
CH531906A (fr) 1972-12-31

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