CS311591A3 - Method of fastening a continuously rolled perforated workpiece on a non-shouldered, optionally a shouldered cylindrical mandrel rod and apparatus for making the same - Google Patents

Method of fastening a continuously rolled perforated workpiece on a non-shouldered, optionally a shouldered cylindrical mandrel rod and apparatus for making the same

Info

Publication number
CS311591A3
CS311591A3 CS913115A CS311591A CS311591A3 CS 311591 A3 CS311591 A3 CS 311591A3 CS 913115 A CS913115 A CS 913115A CS 311591 A CS311591 A CS 311591A CS 311591 A3 CS311591 A3 CS 311591A3
Authority
CS
Czechoslovakia
Prior art keywords
shouldered
fastening
optionally
making
same
Prior art date
Application number
CS913115A
Other languages
Czech (cs)
Inventor
Karl-Hermann Bub
Dietrich Dipl Ing Dedecke
Horst Dipl Ing Dr Wagener
Original Assignee
Benteler Werke Ag
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 Benteler Werke Ag filed Critical Benteler Werke Ag
Publication of CS311591A3 publication Critical patent/CS311591A3/en
Publication of CZ278054B6 publication Critical patent/CZ278054B6/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
    • B21C1/26—Push-bench drawing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Heat Treatment Of Articles (AREA)
CS913115A 1990-12-10 1991-10-14 Method of fastening a continuously rolled perforated workpiece on a non-shouldered, optionally a shouldered cylindrical mandrel rod and apparatus for making the same CZ278054B6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4039369A DE4039369C1 (en) 1990-12-10 1990-12-10 Prodn. of metal tubes - involves cooling mandrel head and allowing thermal expansion to increase tube ID

Publications (2)

Publication Number Publication Date
CS311591A3 true CS311591A3 (en) 1992-06-17
CZ278054B6 CZ278054B6 (en) 1993-07-14

Family

ID=6419982

Country Status (4)

Country Link
CZ (1) CZ278054B6 (en)
DE (1) DE4039369C1 (en)
IT (1) IT1250126B (en)
SK (1) SK278885B6 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112474871B (en) * 2020-09-27 2022-06-10 太原科技大学 Push rolling process of high-performance short-flow ribbed magnesium alloy seamless pipe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642769C1 (en) * 1986-12-15 1987-07-16 Benteler Werke Ag Method and apparatus for rolling a pierced blank into a tube blank

Also Published As

Publication number Publication date
SK278885B6 (en) 1998-04-08
ITRM910804A1 (en) 1993-04-24
ITRM910804A0 (en) 1991-10-24
DE4039369C1 (en) 1991-09-19
IT1250126B (en) 1995-03-30
CZ278054B6 (en) 1993-07-14

Similar Documents

Publication Publication Date Title
MY111593A (en) Apparatus and method for forming and hydropiercing a tubular frame member
HU9400672D0 (en) Process, apparatus and forming set for icecream-product
EP0435266A3 (en) Method for manufacturing expanded mesh sheet and apparatus for carrying out method
DE3468341D1 (en) Method and apparatus for rolling a cylindrical blank
GB2278307B (en) A process and an apparatus for forming a profiled element
US5128084A (en) Coextrusion apparatus and method for varying the inner profile of a tubular extrudate
IL104674A0 (en) Method of applying a design by a printing process,decorative device and an apparatus for carrying out the method
ZA917282B (en) A method and apparatus for foming a wad.
EP0567742A3 (en) Apparatus and method for uniformly enlarging or reducing the diameter of a cylindrical member
GB2243621B (en) Process and apparatus for preparing metal layers
CS311591A3 (en) Method of fastening a continuously rolled perforated workpiece on a non-shouldered, optionally a shouldered cylindrical mandrel rod and apparatus for making the same
EP0474516A3 (en) Method and apparatus for forming threads on a sleeve inner wall
EP0509665A3 (en) Method and apparatus for grinding the end of a tubular workpiece
PL296315A1 (en) Method of forming a perforated metal sheet and apparatus therefor
GB8919788D0 (en) A method of seam welding hollow cylindrical bodies and a machine for the implementation of such a method
GB9401954D0 (en) Process and apparatus for producing a rough generated surface on a cylindrical body of rotation, more particularly a roll for metal strips
GR3022479T3 (en) Apparatus and methods for forming extrudates.
AU4173885A (en) Method and apparatus for forming a continaer on a collapsible mandrel
AU3833893A (en) A method and an apparatus thereof for continuously producing a tubular mantle meat
GB9016437D0 (en) Apparatus and method for expanding and controlling a multifunction mechaposition
AU7737391A (en) Expanding mandrel method and product produced thereby
GB9122830D0 (en) Apparatus for producing expanded metal
AP9100260A0 (en) Tobacco sheet and method and apparatus for the production of a tobacco sheet
AU9153291A (en) Process for producing a solid water-in-oil emulsion and an apparatus for carrying out the process
GB2245676B (en) Method of forming a joint,joint thereby formed and apparatus for use therein

Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20011014