US3808860A - Method and apparatus for manufacturing tubes or tubular bodies with inner walls having cross sections of irregular shapes - Google Patents

Method and apparatus for manufacturing tubes or tubular bodies with inner walls having cross sections of irregular shapes Download PDF

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Publication number
US3808860A
US3808860A US00281041A US28104172A US3808860A US 3808860 A US3808860 A US 3808860A US 00281041 A US00281041 A US 00281041A US 28104172 A US28104172 A US 28104172A US 3808860 A US3808860 A US 3808860A
Authority
US
United States
Prior art keywords
mandrel
billet
tubes
extrusion
tip portion
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 - Lifetime
Application number
US00281041A
Other languages
English (en)
Inventor
Y Yamaguchi
T Matsushita
M Noguchi
J Nakagawa
H Hasegawa
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of US3808860A publication Critical patent/US3808860A/en
Priority to US05/684,234 priority Critical patent/USRE29344E/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/10—Making finned tubes
    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes
US00281041A 1971-08-18 1972-08-16 Method and apparatus for manufacturing tubes or tubular bodies with inner walls having cross sections of irregular shapes Expired - Lifetime US3808860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/684,234 USRE29344E (en) 1971-08-18 1976-05-07 Method and apparatus for manufacturing tubes or tubular bodies with inner walls having cross sections of irregular shapes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46063129A JPS5119823B2 (ja) 1971-08-18 1971-08-18

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/684,234 Reissue USRE29344E (en) 1971-08-18 1976-05-07 Method and apparatus for manufacturing tubes or tubular bodies with inner walls having cross sections of irregular shapes

Publications (1)

Publication Number Publication Date
US3808860A true US3808860A (en) 1974-05-07

Family

ID=13220338

Family Applications (1)

Application Number Title Priority Date Filing Date
US00281041A Expired - Lifetime US3808860A (en) 1971-08-18 1972-08-16 Method and apparatus for manufacturing tubes or tubular bodies with inner walls having cross sections of irregular shapes

Country Status (7)

Country Link
US (1) US3808860A (ja)
JP (1) JPS5119823B2 (ja)
BE (1) BE787739A (ja)
CA (1) CA965732A (ja)
DE (1) DE2240148C3 (ja)
GB (1) GB1406260A (ja)
SE (1) SE412532B (ja)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946584A (en) * 1973-04-11 1976-03-30 Kobe Steel, Ltd. Hydrostatic extrusion method and apparatus
US3950979A (en) * 1974-10-04 1976-04-20 Western Electric Company, Inc. Apparatus and method for tube extrusion
US4031732A (en) * 1974-06-07 1977-06-28 Asea Method for hydrostatic extrusion of tubes
US4085606A (en) * 1976-12-09 1978-04-25 Westinghouse Electric Corporation Hydrostatic extrusion apparatus for producing hollow elongated bodies of rectangular cross section
DE2801459A1 (de) * 1977-01-18 1978-07-27 Hitachi Ltd Vorrichtung zum herstellen von waermeuebertragungsrohren
US4142392A (en) * 1977-04-20 1979-03-06 Hitachi, Ltd. Internally groove forming apparatus for heat exchanging pipes
US4169365A (en) * 1977-01-04 1979-10-02 Berdjugina Antonina I Needle for pressing internally-finned pipes
US4454502A (en) * 1979-11-14 1984-06-12 United Telecommunications, Inc. Apparatus for monitoring and signalling system
US5740688A (en) * 1995-10-05 1998-04-21 Sural Tech Pressure-assisted formation of shaped articles
US5865054A (en) * 1989-08-24 1999-02-02 Aquaform Inc. Apparatus and method for forming a tubular frame member
US6006567A (en) * 1997-05-15 1999-12-28 Aquaform Inc Apparatus and method for hydroforming
US6502822B1 (en) 1997-05-15 2003-01-07 Aquaform, Inc. Apparatus and method for creating a seal on an inner wall of a tube for hydroforming
CN104117546A (zh) * 2013-04-28 2014-10-29 广东兴发铝业有限公司 金属无缝管生产设备及无缝管生产方法
US20180369888A1 (en) * 2017-06-27 2018-12-27 North University Of China Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4337785A (en) * 1984-12-04 1986-06-12 Otis Engineering Corp. Extruding tubular members with off-centre bores
US5522280A (en) * 1993-12-23 1996-06-04 United Technologies Motor Systems, Inc. Connecting links for windshield wipers and method for fabricating the link
JP2012007872A (ja) * 2010-05-24 2012-01-12 Kobe Steel Ltd 複層伝熱管、複層伝熱管の製造方法、及びその製造方法に用いられる成形治具
US20150075242A1 (en) * 2013-09-18 2015-03-19 Lockheed Martin Corporation Friction-stir extruders and friction-stir extrusion processes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267712A (en) * 1963-12-18 1966-08-23 Purpose Extruded Aluminum Inc Apparatus for forming spiraled extrusions
US3580019A (en) * 1967-05-10 1971-05-25 Boris Ivanovich Beresnev Method of manufacturing rod, shaped and tubular products from difficult-to-work metals and alloys, preferably high melting-point and chemically active ones
US3722245A (en) * 1971-05-18 1973-03-27 Kobe Steel Ltd Hydrostatically operated extruding machine
US3727444A (en) * 1971-03-15 1973-04-17 Asea Ab Press for hydrostatic extrusion of tubing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267712A (en) * 1963-12-18 1966-08-23 Purpose Extruded Aluminum Inc Apparatus for forming spiraled extrusions
US3580019A (en) * 1967-05-10 1971-05-25 Boris Ivanovich Beresnev Method of manufacturing rod, shaped and tubular products from difficult-to-work metals and alloys, preferably high melting-point and chemically active ones
US3727444A (en) * 1971-03-15 1973-04-17 Asea Ab Press for hydrostatic extrusion of tubing
US3722245A (en) * 1971-05-18 1973-03-27 Kobe Steel Ltd Hydrostatically operated extruding machine

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946584A (en) * 1973-04-11 1976-03-30 Kobe Steel, Ltd. Hydrostatic extrusion method and apparatus
US4031732A (en) * 1974-06-07 1977-06-28 Asea Method for hydrostatic extrusion of tubes
US3950979A (en) * 1974-10-04 1976-04-20 Western Electric Company, Inc. Apparatus and method for tube extrusion
US4085606A (en) * 1976-12-09 1978-04-25 Westinghouse Electric Corporation Hydrostatic extrusion apparatus for producing hollow elongated bodies of rectangular cross section
US4169365A (en) * 1977-01-04 1979-10-02 Berdjugina Antonina I Needle for pressing internally-finned pipes
DE2801459C3 (de) * 1977-01-18 1982-04-29 Hitachi, Ltd., Tokyo Rohrstrangpresse zum Herstellen von Wärmetauscherrohren
DE2801459B2 (de) * 1977-01-18 1981-09-24 Hitachi, Ltd., Tokyo Rohrstrangpresse zum Herstellen von Wärmetauscherrohren
DE2801459A1 (de) * 1977-01-18 1978-07-27 Hitachi Ltd Vorrichtung zum herstellen von waermeuebertragungsrohren
US4142392A (en) * 1977-04-20 1979-03-06 Hitachi, Ltd. Internally groove forming apparatus for heat exchanging pipes
US4454502A (en) * 1979-11-14 1984-06-12 United Telecommunications, Inc. Apparatus for monitoring and signalling system
US5865054A (en) * 1989-08-24 1999-02-02 Aquaform Inc. Apparatus and method for forming a tubular frame member
US5740688A (en) * 1995-10-05 1998-04-21 Sural Tech Pressure-assisted formation of shaped articles
US6125679A (en) * 1995-10-05 2000-10-03 Suraltech, Inc. Pressure-assisted formation of shaped articles
US6006567A (en) * 1997-05-15 1999-12-28 Aquaform Inc Apparatus and method for hydroforming
US6502822B1 (en) 1997-05-15 2003-01-07 Aquaform, Inc. Apparatus and method for creating a seal on an inner wall of a tube for hydroforming
CN104117546A (zh) * 2013-04-28 2014-10-29 广东兴发铝业有限公司 金属无缝管生产设备及无缝管生产方法
US20180369888A1 (en) * 2017-06-27 2018-12-27 North University Of China Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion
US10780478B2 (en) * 2017-06-27 2020-09-22 North University Of China Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion

Also Published As

Publication number Publication date
DE2240148C3 (de) 1980-05-29
SE412532B (sv) 1980-03-10
GB1406260A (en) 1975-09-17
DE2240148B2 (de) 1979-09-20
DE2240148A1 (de) 1973-02-22
JPS4828360A (ja) 1973-04-14
CA965732A (en) 1975-04-08
JPS5119823B2 (ja) 1976-06-21
BE787739A (fr) 1972-12-18

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