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GB1401990A - Tube expander - Google Patents

Tube expander

Info

Publication number
GB1401990A
GB1401990A GB4118872A GB4118872A GB1401990A GB 1401990 A GB1401990 A GB 1401990A GB 4118872 A GB4118872 A GB 4118872A GB 4118872 A GB4118872 A GB 4118872A GB 1401990 A GB1401990 A GB 1401990A
Authority
GB
United Kingdom
Prior art keywords
tube expander
sept
ribs
segments
tube
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4118872A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmannroehren 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 Mannesmannroehren Werke AG filed Critical Mannesmannroehren Werke AG
Publication of GB1401990A publication Critical patent/GB1401990A/en
Expired legal-status Critical Current

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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

1401990 Tube expanders MANNESMANNROHREN-WERKE AG 5 Sept 1972 [6 Sept 1971] 41188/72 Heading B3J The tapered polygonal body 1 of a tube expander has ribs 13 on which segments 5 are slidably mounted which have means 21 for engaging grooves 11 between the ribs. A keeper 21 (23) screwed to each end of the segments also functions as a scale scraper, or separate stripping means may be provided.
GB4118872A 1971-09-06 1972-09-05 Tube expander Expired GB1401990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2145069A DE2145069C2 (en) 1971-09-06 1971-09-06 Mechanical pipe expander

Publications (1)

Publication Number Publication Date
GB1401990A true GB1401990A (en) 1975-08-06

Family

ID=5819078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4118872A Expired GB1401990A (en) 1971-09-06 1972-09-05 Tube expander

Country Status (7)

Country Link
US (1) US3798955A (en)
JP (1) JPS5520776B2 (en)
DE (1) DE2145069C2 (en)
FR (1) FR2152675B1 (en)
GB (1) GB1401990A (en)
IT (1) IT964076B (en)
SU (1) SU520020A3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62113907A (en) * 1985-11-13 1987-05-25 小松　実 Double nut
DE3939356A1 (en) * 1989-11-24 1991-05-29 Mannesmann Ag MECHANICAL TUBE EXPANDER
US7416554B2 (en) * 2002-12-11 2008-08-26 Usgi Medical Inc Apparatus and methods for forming and securing gastrointestinal tissue folds
AU2004217540B2 (en) * 2003-02-28 2008-09-04 Baker Hughes Incorporated Compliant swage
US8726909B2 (en) 2006-01-27 2014-05-20 Usgi Medical, Inc. Methods and apparatus for revision of obesity procedures
US8627885B2 (en) * 2009-07-01 2014-01-14 Baker Hughes Incorporated Non-collapsing built in place adjustable swage
CN106475478B (en) * 2016-10-18 2018-05-29 太原重工股份有限公司 Expanding machine and its expanding head protective device
CN110538933B (en) * 2019-09-19 2020-12-01 珠海格力智能装备有限公司 High specification switching mechanism of electric tube expander receiving seat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US601689A (en) * 1898-04-05 Hose-coupling reshaper
US808030A (en) * 1904-03-03 1905-12-19 John W Faessler Flue or tube expander.
US2943667A (en) * 1957-10-14 1960-07-05 Arrowsmith Tool & Die Corp Expanding mandrel hydro-press
US3583200A (en) * 1969-05-19 1971-06-08 Grotnes Machine Works Inc Expanding head and improved seal therefor

Also Published As

Publication number Publication date
IT964076B (en) 1974-01-21
DE2145069C2 (en) 1975-05-07
JPS5520776B2 (en) 1980-06-05
JPS4836062A (en) 1973-05-28
DE2145069B1 (en) 1973-03-01
US3798955A (en) 1974-03-26
DE2145069A1 (en) 1973-03-01
SU520020A3 (en) 1976-06-30
FR2152675B1 (en) 1975-01-03
FR2152675A1 (en) 1973-04-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee