BR7503694A - Metodo aperfeicoado para fabricacao de um parafuso formador sem aparas de sua propria rosca femea - Google Patents

Metodo aperfeicoado para fabricacao de um parafuso formador sem aparas de sua propria rosca femea

Info

Publication number
BR7503694A
BR7503694A BR7504743D BR7504743D BR7503694A BR 7503694 A BR7503694 A BR 7503694A BR 7504743 D BR7504743 D BR 7504743D BR 7504743 D BR7504743 D BR 7504743D BR 7503694 A BR7503694 A BR 7503694A
Authority
BR
Brazil
Prior art keywords
trims
manufacturing
female thread
perfect method
former screw
Prior art date
Application number
BR7504743D
Other languages
English (en)
Inventor
H Pfaff
Original Assignee
Bergner R
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 Bergner R filed Critical Bergner R
Publication of BR7503694A publication Critical patent/BR7503694A/pt

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
BR7504743D 1974-06-11 1975-06-11 Metodo aperfeicoado para fabricacao de um parafuso formador sem aparas de sua propria rosca femea BR7503694A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742428136 DE2428136C3 (de) 1974-06-11 1974-06-11 Verfahren zur Herstellung einer gewindeselbstdrückenden Schraube

Publications (1)

Publication Number Publication Date
BR7503694A true BR7503694A (pt) 1976-06-29

Family

ID=5917852

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7504743D BR7503694A (pt) 1974-06-11 1975-06-11 Metodo aperfeicoado para fabricacao de um parafuso formador sem aparas de sua propria rosca femea

Country Status (4)

Country Link
AT (1) AT367667B (pt)
BR (1) BR7503694A (pt)
CH (1) CH608575A5 (pt)
DE (1) DE2428136C3 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02142911A (ja) * 1988-11-25 1990-06-01 Shinjiyou Seisakusho:Kk 折取り可能なドリルねじ
US6089806A (en) * 1999-01-25 2000-07-18 Conti Fasteners Blank for self-tapping fastener
CN114628853A (zh) * 2022-03-15 2022-06-14 江铃汽车股份有限公司 一种等电位连接装置、使用方法以及电池包

Also Published As

Publication number Publication date
DE2428136C3 (de) 1981-02-26
AT367667B (de) 1982-07-26
CH608575A5 (en) 1979-01-15
DE2428136B2 (de) 1980-06-19
ATA433975A (de) 1977-02-15
DE2428136A1 (de) 1976-01-02

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