DD66870A - - Google Patents

Info

Publication number
DD66870A
DD66870A DD66870DA DD66870A DD 66870 A DD66870 A DD 66870A DD 66870D A DD66870D A DD 66870DA DD 66870 A DD66870 A DD 66870A
Authority
DD
German Democratic Republic
Application number
Publication of DD66870A publication Critical patent/DD66870A/xx

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
    • B21H3/04—Making by means of profiled-rolls or die rolls
    • B21H3/042—Thread-rolling heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
DD66870D DD66870A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DD66870A true DD66870A (enrdf_load_stackoverflow)

Family

ID=258601

Family Applications (1)

Application Number Title Priority Date Filing Date
DD66870D DD66870A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DD (1) DD66870A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495512A1 (fr) * 1980-06-26 1982-06-11 Dn Gorny I Procede d'execution sur une ebauche d'un filetage elastiquement deformable dont le profil comporte une cavite helicoidale fermee, outil a fileter pour la mise en oeuvre dudit procede et pieces filetees conformement audit procede

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495512A1 (fr) * 1980-06-26 1982-06-11 Dn Gorny I Procede d'execution sur une ebauche d'un filetage elastiquement deformable dont le profil comporte une cavite helicoidale fermee, outil a fileter pour la mise en oeuvre dudit procede et pieces filetees conformement audit procede
US4491002A (en) * 1980-06-26 1985-01-01 Toropov Gennady A Method for forming on workpiece resilient thread having closed helical cavity inside the thread

Similar Documents

Publication Publication Date Title
US6644084B1 (en) Method and apparatus for manufacturing a battery terminal with undercut rings
US3890685A (en) Method for manufacturing hollow screws for heat exchangers
US4491002A (en) Method for forming on workpiece resilient thread having closed helical cavity inside the thread
US4226870A (en) O-, N- and carboxyl derivatives of thienamycin
US4353234A (en) Heat transfer surface and method of manufacture
CN109689261B (zh) 螺纹形成刀具
AT358614B (de) Rippenrohr sowie verfahren und vorrichtung zu dessen herstellung
US5937684A (en) Tap employing deformation of matter
CN103056258B (zh) 一种螺栓螺纹的加工方法
DE1086661B (de) Innengewinderollkopf
EP1655090A1 (en) Rolling tap
SU473554A1 (ru) Головка дл накатывани внутренней резьбы
DE4208515C1 (en) Tool to manufacture threads in holes - has shaft and workpiece which are formed into at least two threaded work sections
US10086455B2 (en) Bolt hole with improved threads and tap for manufacture thereof
JPS4820977B1 (enrdf_load_stackoverflow)
DD66870A (enrdf_load_stackoverflow)