AR208017A1 - Metodo para fabricar un conducto metalico de seccion rectangular a partir de un conducto metalico de seccion circular y un aparato para ilevar a la practica dicho metodo - Google Patents

Metodo para fabricar un conducto metalico de seccion rectangular a partir de un conducto metalico de seccion circular y un aparato para ilevar a la practica dicho metodo

Info

Publication number
AR208017A1
AR208017A1 AR262004A AR26200476A AR208017A1 AR 208017 A1 AR208017 A1 AR 208017A1 AR 262004 A AR262004 A AR 262004A AR 26200476 A AR26200476 A AR 26200476A AR 208017 A1 AR208017 A1 AR 208017A1
Authority
AR
Argentina
Prior art keywords
section metal
metal duct
practice
manufacturing
circular section
Prior art date
Application number
AR262004A
Other languages
English (en)
Original Assignee
Johns Manville
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 Johns Manville filed Critical Johns Manville
Application granted granted Critical
Publication of AR208017A1 publication Critical patent/AR208017A1/es

Links

Classifications

    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/155—Making tubes with non circular section
    • 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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
AR262004A 1975-01-23 1976-01-01 Metodo para fabricar un conducto metalico de seccion rectangular a partir de un conducto metalico de seccion circular y un aparato para ilevar a la practica dicho metodo AR208017A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/543,701 US3996783A (en) 1975-01-23 1975-01-23 Method and apparatus for reforming round ducts into rectangular ducts

Publications (1)

Publication Number Publication Date
AR208017A1 true AR208017A1 (es) 1976-11-22

Family

ID=24169222

Family Applications (1)

Application Number Title Priority Date Filing Date
AR262004A AR208017A1 (es) 1975-01-23 1976-01-01 Metodo para fabricar un conducto metalico de seccion rectangular a partir de un conducto metalico de seccion circular y un aparato para ilevar a la practica dicho metodo

Country Status (6)

Country Link
US (1) US3996783A (es)
JP (1) JPS51142473A (es)
AR (1) AR208017A1 (es)
BR (1) BR7600387A (es)
CA (1) CA1056706A (es)
GB (1) GB1514412A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452982A1 (fr) * 1979-04-06 1980-10-31 Bignier Schmid Laurent Procede et dispositif pour la fabrication d'un tube carre
US4571980A (en) * 1980-10-29 1986-02-25 Goodwin Ray R Duct-shaping machine and method
US4827747A (en) * 1986-05-21 1989-05-09 Hitachi, Ltd. Method for producing a bellows with oval cross section and apparatus for carrying out the method
US4803881A (en) * 1987-02-02 1989-02-14 Dudley Winfred L Pipe stretching apparatus
US4914939A (en) * 1988-06-03 1990-04-10 Contech Construction Products, Inc. Self propelled internal pipe arching apparatus
US4974440A (en) * 1988-06-03 1990-12-04 Contech Construction Products, Inc. Self propelled internal pipe arching apparatus
DE69223059T2 (de) * 1991-10-02 1998-03-26 Rib Loc Australia Wendelförmig gewickelte rippenverstärkte verbundstruktur
US6000260A (en) * 1998-04-06 1999-12-14 Miller S. Price Spiral duct ovalizer
US6260403B1 (en) 1998-05-18 2001-07-17 Scott E. Johnston Method and apparatus for arching large diameter pipes
KR100427496B1 (ko) * 2001-04-11 2004-04-27 함형춘 플렛형 오발닥트의 제조장치 및 공정
US6655182B2 (en) 2001-05-18 2003-12-02 Lindab Ab Apparatus and method for reshaping tubes
US7104104B1 (en) * 2002-02-01 2006-09-12 Jeffrey Allen Hermanson Rectangular and square ducting systems
US9101969B2 (en) * 2002-02-01 2015-08-11 Jeffrey Allen Hermanson Rectangular/square spiral ducting systems with flange connectors
CA2781617C (en) * 2009-11-24 2018-06-19 Jeffrey Allen Hermanson Standing seam connectors for ducting
US10539337B2 (en) 2009-11-24 2020-01-21 Jeffrey Allen Hermanson Sealed and/or reinforced flanged ring connector for single- and double-wall HVAC ducting
DK2345810T3 (da) * 2010-01-18 2013-01-02 Siemens Ag Indretning og fremgangsmåde til transportering af et vindturbinetårnsegment
CN106102951B (zh) * 2014-02-27 2018-02-27 东洋制罐集团控股株式会社 多边形罐及其成型方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474887A (en) * 1946-07-29 1949-07-05 Firman L Carswell Machine for making arch-type culverts by means of internally positioned forms
US2916076A (en) * 1956-12-21 1959-12-08 Young & Greenwalt Co Apparatus for fabricating arch-type culverts
US3710609A (en) * 1970-12-30 1973-01-16 C Jones Tube shaping device

Also Published As

Publication number Publication date
CA1056706A (en) 1979-06-19
JPS51142473A (en) 1976-12-08
GB1514412A (en) 1978-06-14
BR7600387A (pt) 1976-08-31
US3996783A (en) 1976-12-14

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