IT991486B - MECHANICAL PIPE EXPANDER FOR THE GRADUAL ENLARGEMENT OF STEEL PIPES - Google Patents

MECHANICAL PIPE EXPANDER FOR THE GRADUAL ENLARGEMENT OF STEEL PIPES

Info

Publication number
IT991486B
IT991486B IT2741673A IT2741673A IT991486B IT 991486 B IT991486 B IT 991486B IT 2741673 A IT2741673 A IT 2741673A IT 2741673 A IT2741673 A IT 2741673A IT 991486 B IT991486 B IT 991486B
Authority
IT
Italy
Prior art keywords
steel pipes
pipe expander
mechanical pipe
gradual enlargement
enlargement
Prior art date
Application number
IT2741673A
Other languages
Italian (it)
Inventor
R Gerretz
Original Assignee
Mannesmann Meer 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
Priority claimed from DE19722258359 external-priority patent/DE2258359C3/en
Application filed by Mannesmann Meer Ag filed Critical Mannesmann Meer Ag
Application granted granted Critical
Publication of IT991486B publication Critical patent/IT991486B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Earth Drilling (AREA)
  • Actuator (AREA)
IT2741673A 1972-11-24 1973-08-01 MECHANICAL PIPE EXPANDER FOR THE GRADUAL ENLARGEMENT OF STEEL PIPES IT991486B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722258359 DE2258359C3 (en) 1972-11-24 Mechanical pipe expander for the step-by-step expansion of steel pipes

Publications (1)

Publication Number Publication Date
IT991486B true IT991486B (en) 1975-07-30

Family

ID=5862979

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2741673A IT991486B (en) 1972-11-24 1973-08-01 MECHANICAL PIPE EXPANDER FOR THE GRADUAL ENLARGEMENT OF STEEL PIPES

Country Status (4)

Country Link
JP (1) JPS5216866B2 (en)
FR (1) FR2214537B1 (en)
GB (1) GB1439508A (en)
IT (1) IT991486B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255941U (en) * 1975-10-14 1977-04-22
NL7906317A (en) * 1979-08-21 1981-02-24 Doornes Transmissie Bv METHOD AND APPARATUS FOR STRETCHING AN ENDLESS METAL STRAP
CN102248087A (en) * 2011-04-01 2011-11-23 上海电气核电设备有限公司 Connector used for tube expander and mandrel

Also Published As

Publication number Publication date
JPS49135873A (en) 1974-12-27
FR2214537B1 (en) 1976-11-19
FR2214537A1 (en) 1974-08-19
GB1439508A (en) 1976-06-16
DE2258359A1 (en) 1974-05-30
JPS5216866B2 (en) 1977-05-12
DE2258359B2 (en) 1975-11-20

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