GB2143454B - Apparatus and methods for extruding tubes with off-center bores - Google Patents

Apparatus and methods for extruding tubes with off-center bores

Info

Publication number
GB2143454B
GB2143454B GB08414410A GB8414410A GB2143454B GB 2143454 B GB2143454 B GB 2143454B GB 08414410 A GB08414410 A GB 08414410A GB 8414410 A GB8414410 A GB 8414410A GB 2143454 B GB2143454 B GB 2143454B
Authority
GB
United Kingdom
Prior art keywords
methods
center bores
extruding tubes
extruding
tubes
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
GB08414410A
Other versions
GB2143454A (en
GB8414410D0 (en
Inventor
Robert Lorne Hilts
Olen Ray Long
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.)
Otis Engineering Corp
Original Assignee
Otis Engineering Corp
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 Otis Engineering Corp filed Critical Otis Engineering Corp
Publication of GB8414410D0 publication Critical patent/GB8414410D0/en
Publication of GB2143454A publication Critical patent/GB2143454A/en
Application granted granted Critical
Publication of GB2143454B publication Critical patent/GB2143454B/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00Profiling tools for metal extruding
    • B21C25/04Mandrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/04Making uncoated products by direct extrusion
    • B21C23/08Making wire, bars, tubes
    • B21C23/085Making tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00Profiling tools for metal extruding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Hydrogenated Pyridines (AREA)
GB08414410A 1983-07-14 1984-06-06 Apparatus and methods for extruding tubes with off-center bores Expired GB2143454B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51375583A 1983-07-14 1983-07-14

Publications (3)

Publication Number Publication Date
GB8414410D0 GB8414410D0 (en) 1984-07-11
GB2143454A GB2143454A (en) 1985-02-13
GB2143454B true GB2143454B (en) 1986-11-12

Family

ID=24044559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08414410A Expired GB2143454B (en) 1983-07-14 1984-06-06 Apparatus and methods for extruding tubes with off-center bores

Country Status (7)

Country Link
JP (1) JPS6040612A (en)
AU (1) AU556792B2 (en)
BR (1) BR8403518A (en)
DE (1) DE3424489A1 (en)
FR (1) FR2548931A1 (en)
GB (1) GB2143454B (en)
NO (1) NO842877L (en)

Families Citing this family (5)

* 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
JPS62263823A (en) * 1986-05-12 1987-11-16 Showa Alum Corp Manufacture of excentric semi-hollow extruded material
TW507028B (en) 1999-02-12 2002-10-21 Asahi Chemical Ind A moisture-absorbable synthetic fiber with an improved moisture-release property
GB2370331B (en) * 2000-12-22 2005-06-22 Glynwed Pipe Systems Ltd Improvements in and relating to the manufacture of pipe fittings
CN110388179B (en) * 2019-07-22 2020-12-22 西南石油大学 Push-leaning type rotary guiding tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR392058A (en) * 1907-10-04 1908-11-17 Samuel Sanders Method and apparatus for upsetting heated metals and alloys
DE568871C (en) * 1931-03-14 1933-01-25 Ver Deutsche Metallwerke Ag Extrusion press
US3241346A (en) * 1964-05-18 1966-03-22 Joseph H Doss Method of extruding, using a self-adjusting mandrel
DE2037287A1 (en) * 1970-07-28 1972-02-03 Kabel Metallwerke Ghh Extrusion press tooling - with asymmetrical mandrel arrangement
FR2314781A1 (en) * 1975-06-16 1977-01-14 Kazimierzak Bohumil Extruder die for plastics extrusions - has support ring to distribute load on die, followed by load distributor disc

Also Published As

Publication number Publication date
AU556792B2 (en) 1986-11-20
DE3424489A1 (en) 1985-01-24
JPS6040612A (en) 1985-03-04
GB2143454A (en) 1985-02-13
FR2548931A1 (en) 1985-01-18
NO842877L (en) 1985-01-15
GB8414410D0 (en) 1984-07-11
AU2901784A (en) 1985-01-17
BR8403518A (en) 1985-06-25

Similar Documents

Publication Publication Date Title
EP0231637A3 (en) Process and apparatus for extruding tubular films
GB2144676B (en) Apparatus and method of extrusion
EP0231657A3 (en) Process and apparatus for extruding tubular films process and apparatus for extruding tubular films
GB2149637B (en) Process and apparatus for producing extruded foods
EP0234376A3 (en) Extrusion method and apparatus
PT75426A (en) Method and filter-thickening apparatus
PT72530B (en) Method and apparatus for continuous friction-actuated extrusion
GB2126151B (en) Method and apparatus for producing extruded profiles
ZA824569B (en) Fluid-assisted core-release method and apparatus
GB2096129B (en) Methods and apparatus for extruding articles
DE3462075D1 (en) Risk signalling method and apparatus
DE3378528D1 (en) Method and apparatus for extruding reinforced hose
DE3465721D1 (en) Adjustable extrusion die and method for its use
GB2217647B (en) An extrusion method and apparatus
JPS57146905A (en) Preliminarily molded clamp structure and method and apparatus for producing same
GB2094061B (en) Multilayer capcitors and methods and apparatus for making them
JPS57137495A (en) Electroplating method and apparatus
PT73998A (en) Method and apparatus for continuous friction-actuated extrusion
GB2143454B (en) Apparatus and methods for extruding tubes with off-center bores
DE3465037D1 (en) Method of manufacturing extruded pipes and apparatus for carrying out the method
EP0039957A3 (en) Extrusion process and extrusion apparatus for realizing this process
GB2145366B (en) Molding method and apparatus
GB2229960B (en) An extrusion process and apparatus therefor
EP0293022A3 (en) Extruded products and method and apparatus
JPS5718949A (en) Extruding method and apparatus

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee