AT247110B - Method and device for the production of sheet metal ducts with a rectangular cross section, in particular for ventilation and air conditioning systems - Google Patents

Method and device for the production of sheet metal ducts with a rectangular cross section, in particular for ventilation and air conditioning systems

Info

Publication number
AT247110B
AT247110B AT771063A AT771063A AT247110B AT 247110 B AT247110 B AT 247110B AT 771063 A AT771063 A AT 771063A AT 771063 A AT771063 A AT 771063A AT 247110 B AT247110 B AT 247110B
Authority
AT
Austria
Prior art keywords
ventilation
production
section
air conditioning
sheet metal
Prior art date
Application number
AT771063A
Other languages
German (de)
Inventor
Emil Siegwart
Original Assignee
Emil Siegwart
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 Emil Siegwart filed Critical Emil Siegwart
Application granted granted Critical
Publication of AT247110B publication Critical patent/AT247110B/en

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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
AT771063A 1963-04-11 1963-09-25 Method and device for the production of sheet metal ducts with a rectangular cross section, in particular for ventilation and air conditioning systems AT247110B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0084684 1963-04-11

Publications (1)

Publication Number Publication Date
AT247110B true AT247110B (en) 1966-05-25

Family

ID=7511855

Family Applications (1)

Application Number Title Priority Date Filing Date
AT771063A AT247110B (en) 1963-04-11 1963-09-25 Method and device for the production of sheet metal ducts with a rectangular cross section, in particular for ventilation and air conditioning systems

Country Status (3)

Country Link
AT (1) AT247110B (en)
CH (1) CH425702A (en)
SE (1) SE309956B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115991618A (en) 2017-05-17 2023-04-21 沙特基础工业全球技术公司 Anti-caking fertilizer composition
US12110258B2 (en) 2018-11-20 2024-10-08 SABIC Agri-Nutrients Company Coated fertilizer containing urease inhibitor
BR112021011301A2 (en) 2018-12-11 2021-08-31 Sabic Global Technologies B.V. SOLID ACID FERTILIZER GRANULE, FERTILIZER MIXTURE OR A COMPOUND FERTILIZER, AND, METHODS FOR FERTILIZING AND FOR MANUFACTURING SOLID ACID FERTILIZER GRANULE

Also Published As

Publication number Publication date
CH425702A (en) 1966-12-15
SE309956B (en) 1969-04-14

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