BR9202880A - Processo para formacao de um artigo oco - Google Patents

Processo para formacao de um artigo oco

Info

Publication number
BR9202880A
BR9202880A BR929202880A BR9202880A BR9202880A BR 9202880 A BR9202880 A BR 9202880A BR 929202880 A BR929202880 A BR 929202880A BR 9202880 A BR9202880 A BR 9202880A BR 9202880 A BR9202880 A BR 9202880A
Authority
BR
Brazil
Prior art keywords
formation
hole article
article
hole
Prior art date
Application number
BR929202880A
Other languages
English (en)
Inventor
Yuan-Ho Lee
Original Assignee
San Shing Hardware Works
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 San Shing Hardware Works filed Critical San Shing Hardware Works
Publication of BR9202880A publication Critical patent/BR9202880A/pt

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
    • B21K1/00—Making machine elements
    • B21K1/64—Making machine elements nuts
    • B21K1/68—Making machine elements nuts from round or profiled bars

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
BR929202880A 1991-09-18 1992-07-27 Processo para formacao de um artigo oco BR9202880A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/761,636 US5170655A (en) 1991-09-18 1991-09-18 Method for forming hollow articles

Publications (1)

Publication Number Publication Date
BR9202880A true BR9202880A (pt) 1993-04-20

Family

ID=25062826

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929202880A BR9202880A (pt) 1991-09-18 1992-07-27 Processo para formacao de um artigo oco

Country Status (5)

Country Link
US (1) US5170655A (pt)
EP (1) EP0533322A1 (pt)
CN (1) CN1072360A (pt)
BR (1) BR9202880A (pt)
MX (1) MX9204556A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101912927B (zh) * 2010-08-24 2012-07-25 宏茂五金(昆山)有限公司 法兰螺丝头部成型模具
CN102909303B (zh) * 2011-08-04 2015-09-09 联钢精密科技(苏州)有限公司 一种螺丝模具一点二冲套及其加工工艺
CN103433746B (zh) * 2013-08-19 2016-02-17 宁波中斌紧固件制造有限公司 一种无废料垫圈成型设备
CN104942532A (zh) * 2014-03-28 2015-09-30 舍弗勒技术股份两合公司 一种加工带通孔的挺柱的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1691879A (en) * 1924-04-05 1928-11-13 Ajax Mfg Co Forging mechanism
GB861996A (en) * 1958-01-07 1961-03-01 Textron Inc Method and apparatus for making tubular nuts
US3247534A (en) * 1963-03-13 1966-04-26 Nat Machinery Co Scrapless heading
US3267500A (en) * 1963-09-18 1966-08-23 Nat Machinery Co Apparatus for forming hollow articles
DE1752981A1 (de) * 1967-08-16 1971-07-29 Shroubarna Zhdanice N P Verfahren zur Herstellung von Muttern auf automatischen Mehrstufenpressen
JPS56148433A (en) * 1980-04-17 1981-11-17 Mototsugu Akamatsu Cold-pressing method for blind-holed parts
JPS5932227B2 (ja) * 1980-10-28 1984-08-07 基次 赤松 盲穴付き部品の圧造方法

Also Published As

Publication number Publication date
EP0533322A1 (en) 1993-03-24
CN1072360A (zh) 1993-05-26
MX9204556A (es) 1993-05-01
US5170655A (en) 1992-12-15

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Legal Events

Date Code Title Description
FA1 Application withdrawn (art. 18(2))