CA989603A - Method and apparatus for forming fins on the outer surface of tubing - Google Patents

Method and apparatus for forming fins on the outer surface of tubing

Info

Publication number
CA989603A
CA989603A CA 140285 CA140285A CA989603A CA 989603 A CA989603 A CA 989603A CA 140285 CA140285 CA 140285 CA 140285 A CA140285 A CA 140285A CA 989603 A CA989603 A CA 989603A
Authority
CA
Canada
Prior art keywords
tubing
forming fins
fins
forming
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
CA 140285
Other languages
English (en)
Other versions
CA140285S (en
Inventor
William F. Aylard
Richard M. Winter
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.)
NON-FERROUS INTERNATIONAL FIN TUBE Corp
Original Assignee
NON-FERROUS INTERNATIONAL FIN TUBE 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 NON-FERROUS INTERNATIONAL FIN TUBE Corp filed Critical NON-FERROUS INTERNATIONAL FIN TUBE Corp
Application granted granted Critical
Publication of CA989603A publication Critical patent/CA989603A/en
Expired legal-status Critical Current

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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with helical guides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
CA 140285 1971-05-07 1972-04-21 Method and apparatus for forming fins on the outer surface of tubing Expired CA989603A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14124971A 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
CA989603A true CA989603A (en) 1976-05-25

Family

ID=22494860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 140285 Expired CA989603A (en) 1971-05-07 1972-04-21 Method and apparatus for forming fins on the outer surface of tubing

Country Status (5)

Country Link
US (1) US3765207A (enrdf_load_stackoverflow)
JP (1) JPS5038400B1 (enrdf_load_stackoverflow)
CA (1) CA989603A (enrdf_load_stackoverflow)
DE (1) DE2222376A1 (enrdf_load_stackoverflow)
IT (1) IT955282B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132100U (enrdf_load_stackoverflow) * 1976-04-01 1977-10-07
WO1999047287A2 (en) * 1998-03-18 1999-09-23 Huynh, Oanh Tube-forming machine and method
DE10105827B4 (de) * 2001-02-07 2005-11-03 "Alwag" Tunnelausbau Gesellschaft Mbh Vorrichtung zum spanlosen Umformen von langgestreckten Werkstücken
DE102004012646A1 (de) * 2004-03-13 2005-10-13 Heinz Gruber Schaltvorrichtung für maschinelle Anlagen
GB0809542D0 (en) * 2007-10-30 2008-07-02 Sheppard & Charnley Ltd A solenoid
US8887398B1 (en) * 2013-04-29 2014-11-18 Tesla Motors, Inc. Extruded member with altered radial fins

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1474124A (en) * 1923-07-12 1923-11-13 Firm Mannes Mannrohren Werke Rolling mill
US2100587A (en) * 1936-07-06 1937-11-30 Kenneth M Chalker Apparatus for coating the interior of tubing and the like
US2600254A (en) * 1947-03-20 1952-06-10 Lysobey John Wall treatment of tubing
DE943044C (de) * 1953-06-10 1956-05-09 Siemens Ag Einrichtung zum Ziehen von Rohren aus zieh- und walzbaren Nichteisenmetallen, vorzugsweise aus Aluminium, ueber einen im Inneren des Rohres angeordneten, fliegenden Ziehdorn
DE1652990B1 (de) * 1961-05-17 1969-10-02 Kabel Metallwerke Ghh Einrichtung zum kontinuierlichen Wellen duennwandiger,insbesondere laengsnahtgeschweisster Glattrohre
US3167176A (en) * 1961-12-04 1965-01-26 Babcock & Wilcox Co Method of and apparatus for correcting tube eccentricity
US3149255A (en) * 1962-03-23 1964-09-15 H & T Electrical Products Electrical reciprocating motor
US3379042A (en) * 1965-12-27 1968-04-23 Nat Acme Co Method and machine for form rolling

Also Published As

Publication number Publication date
DE2222376A1 (de) 1972-11-30
IT955282B (it) 1973-09-29
US3765207A (en) 1973-10-16
JPS5038400B1 (enrdf_load_stackoverflow) 1975-12-09

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