AT362907B - Blechkanalschuss, insbesondere fuer luftfuehrungskanaele, und vorrichtung zu dessen herstellung - Google Patents

Blechkanalschuss, insbesondere fuer luftfuehrungskanaele, und vorrichtung zu dessen herstellung

Info

Publication number
AT362907B
AT362907B AT538576A AT538576A AT362907B AT 362907 B AT362907 B AT 362907B AT 538576 A AT538576 A AT 538576A AT 538576 A AT538576 A AT 538576A AT 362907 B AT362907 B AT 362907B
Authority
AT
Austria
Prior art keywords
production
air guide
guide channels
sheet channel
channel shot
Prior art date
Application number
AT538576A
Other languages
English (en)
Other versions
ATA538576A (de
Original Assignee
Siegwart Emil
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
Priority to AT29076A priority Critical patent/AT348689B/de
Application filed by Siegwart Emil filed Critical Siegwart Emil
Publication of ATA538576A publication Critical patent/ATA538576A/de
Application granted granted Critical
Publication of AT362907B publication Critical patent/AT362907B/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
    • 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
    • B21C37/10—Making tubes with seams being neither welded nor soldered, e.g. riveted seams
    • B21C37/104—Making tubes with seams being neither welded nor soldered, e.g. riveted seams the tubes having a special shape, e.g. polygonal tubes
    • 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
    • B21C37/155—Making tubes with non-circular section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/003—Rigid pipes with a rectangular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
AT538576A 1972-06-20 1976-07-22 Blechkanalschuss, insbesondere fuer luftfuehrungskanaele, und vorrichtung zu dessen herstellung AT362907B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT29076A AT348689B (de) 1972-06-20 1976-01-19 Verfahren zur herstellung von neun 4'- acylderivaten des digitoxigenin-l-rhamnosid-cyclocarbonates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7526376 1975-08-20

Publications (2)

Publication Number Publication Date
ATA538576A ATA538576A (de) 1980-11-15
AT362907B true AT362907B (de) 1981-06-25

Family

ID=6654788

Family Applications (1)

Application Number Title Priority Date Filing Date
AT538576A AT362907B (de) 1972-06-20 1976-07-22 Blechkanalschuss, insbesondere fuer luftfuehrungskanaele, und vorrichtung zu dessen herstellung

Country Status (2)

Country Link
AT (1) AT362907B (de)
CH (1) CH616221A5 (de)

Also Published As

Publication number Publication date
ATA538576A (de) 1980-11-15
CH616221A5 (en) 1980-03-14

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee