FI296774A7 - - Google Patents

Info

Publication number
FI296774A7
FI296774A7 FI2967/74A FI296774A FI296774A7 FI 296774 A7 FI296774 A7 FI 296774A7 FI 2967/74 A FI2967/74 A FI 2967/74A FI 296774 A FI296774 A FI 296774A FI 296774 A7 FI296774 A7 FI 296774A7
Authority
FI
Finland
Prior art keywords
tube
mandrel
concentric
placed over
die
Prior art date
Application number
FI2967/74A
Other languages
English (en)
Finnish (fi)
Inventor
W Langhans
O Uhlmann
N Stephan
Original Assignee
Kabel Metallwerke Ghh
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
Priority claimed from DE19732351316 external-priority patent/DE2351316A1/de
Priority claimed from DE19732352746 external-priority patent/DE2352746A1/de
Application filed by Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of FI296774A7 publication Critical patent/FI296774A7/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/30—Finishing tubes, e.g. sizing, burnishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/12—Machines or devices for peeling bars or tubes making use of cutting bits arranged around the workpiece, otherwise than by turning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Metal Extraction Processes (AREA)
  • Turning (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
FI2967/74A 1973-10-12 1974-10-11 FI296774A7 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732351316 DE2351316A1 (de) 1973-10-12 1973-10-12 Verfahren zum herstellen von nahtlosen metallischen rohren
DE19732352746 DE2352746A1 (de) 1973-10-20 1973-10-20 Vorrichtung zum herstellen von nahtlosen metallischen rohren

Publications (1)

Publication Number Publication Date
FI296774A7 true FI296774A7 (enrdf_load_stackoverflow) 1975-04-13

Family

ID=25765937

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2967/74A FI296774A7 (enrdf_load_stackoverflow) 1973-10-12 1974-10-11

Country Status (4)

Country Link
JP (1) JPS5087950A (enrdf_load_stackoverflow)
FI (1) FI296774A7 (enrdf_load_stackoverflow)
FR (1) FR2247298A1 (enrdf_load_stackoverflow)
IT (1) IT1021759B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0780091B2 (ja) * 1985-06-19 1995-08-30 株式会社神戸製鋼所 金属押出用ホロービレットのスカルピング方法およびスカルピング装置

Also Published As

Publication number Publication date
JPS5087950A (enrdf_load_stackoverflow) 1975-07-15
IT1021759B (it) 1978-02-20
FR2247298A1 (en) 1975-05-09

Similar Documents

Publication Publication Date Title
CA1007354A (en) Inside diameter, outside diameter and wall tube gage
FI296774A7 (enrdf_load_stackoverflow)
FR2044232A5 (en) Non-consumable electrode for arcing - processes
CA623383A (en) Production of unsaturated aliphatic aldehydes
AU260600B2 (en) Machine fob the production of helically wound tubes
AU918561A (en) Machine fob the production of helically wound tubes
GB1428210A (en) Forming of tubular materials by extrusion
CH464233A (de) Verfahren zur Herstellung konzentrierter, wässriger Emulsionen
CA744395A (en) Process for the oxidation of aldehydes
AU446462B2 (en) Production of spirally wound tube with an annular foam layer
NL141680B (nl) Werkwijze ter vervaardiging van een praktisch ondoorlatend, carbiden bevattend splijt- of kweekstoflichaam, alsmede aldus vervaardigd splijt- of kweekstoflichaam.
CA615703A (en) Method for the manufacture of a collapsible tube and machine for carrying it out
BE607992A (fr) Machine pour la fabrication de tubes enroulés hélicoïdalement.
CA631605A (en) Adjustable-stroke reciprocatory fluid pressure motor
CA591690A (en) Production of aldehydes by the oxo process
CA630538A (en) Process for the production of 4-oxo-2-(halogenalkyl)-2:3-dihydro-(benzo-1:3-oxazines)
AU252370B2 (en) Spiral wound paper tube having seamless outer surface
AU271218B2 (en) A process forth e production of acrolein or methacrolein
CA695537A (en) Machine for the production of helically wound tubes
CA894254A (en) Production of aldehydes and alcohols by the oxo method
CA641504A (en) Expansible mandrel for pile driving
CA903959A (en) Process for reducing the viscosity of a cellulose ether with hydrogen peroxide
CA611723A (en) Mandrel for making small radius tubular bends
AU865461A (en) Spiral wound paper tube having seamless outer surface
CA736530A (en) Process for the production of unsaturated aldehydes