CH608575A5 - Self-tapping screw and thread-rolling process for this screw - Google Patents

Self-tapping screw and thread-rolling process for this screw

Info

Publication number
CH608575A5
CH608575A5 CH742475A CH742475A CH608575A5 CH 608575 A5 CH608575 A5 CH 608575A5 CH 742475 A CH742475 A CH 742475A CH 742475 A CH742475 A CH 742475A CH 608575 A5 CH608575 A5 CH 608575A5
Authority
CH
Switzerland
Prior art keywords
screw
thread
self
rolling process
tapping
Prior art date
Application number
CH742475A
Inventor
Helmut Pfaff
Original Assignee
Bergner Fa 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 Fa R filed Critical Bergner Fa R
Publication of CH608575A5 publication Critical patent/CH608575A5/en

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
CH742475A 1974-06-11 1975-06-09 Self-tapping screw and thread-rolling process for this screw CH608575A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742428136 DE2428136C3 (en) 1974-06-11 1974-06-11 Method of manufacturing a self-tapping screw

Publications (1)

Publication Number Publication Date
CH608575A5 true CH608575A5 (en) 1979-01-15

Family

ID=5917852

Family Applications (1)

Application Number Title Priority Date Filing Date
CH742475A CH608575A5 (en) 1974-06-11 1975-06-09 Self-tapping screw and thread-rolling process for this screw

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370674A1 (en) * 1988-11-25 1990-05-30 Yugen Kaisha Shinjoseisakusho Drill screw
CN114628853A (en) * 2022-03-15 2022-06-14 江铃汽车股份有限公司 Equipotential connecting device, using method and battery pack

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6089806A (en) * 1999-01-25 2000-07-18 Conti Fasteners Blank for self-tapping fastener

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370674A1 (en) * 1988-11-25 1990-05-30 Yugen Kaisha Shinjoseisakusho Drill screw
CN114628853A (en) * 2022-03-15 2022-06-14 江铃汽车股份有限公司 Equipotential connecting device, using method and battery pack

Also Published As

Publication number Publication date
AT367667B (en) 1982-07-26
DE2428136B2 (en) 1980-06-19
DE2428136A1 (en) 1976-01-02
ATA433975A (en) 1977-02-15
DE2428136C3 (en) 1981-02-26
BR7503694A (en) 1976-06-29

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Legal Events

Date Code Title Description
PL Patent ceased