FR1594732A - - Google Patents

Info

Publication number
FR1594732A
FR1594732A FR1594732DA FR1594732A FR 1594732 A FR1594732 A FR 1594732A FR 1594732D A FR1594732D A FR 1594732DA FR 1594732 A FR1594732 A FR 1594732A
Authority
FR
France
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
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 claimed from DE19681750083 external-priority patent/DE1750083C3/de
Application filed filed Critical
Application granted granted Critical
Publication of FR1594732A publication Critical patent/FR1594732A/fr
Expired legal-status Critical Current

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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
    • 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
    • B21C37/156—Making tubes with wall irregularities
    • B21C37/157—Perforations
    • 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
    • F24F13/24—Means for preventing or suppressing noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
FR1594732D 1968-03-28 1968-10-22 Expired FR1594732A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681750083 DE1750083C3 (de) 1968-03-28 Rohr aus Metallband mit Löchern

Publications (1)

Publication Number Publication Date
FR1594732A true FR1594732A (fr) 1970-06-08

Family

ID=5691656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1594732D Expired FR1594732A (fr) 1968-03-28 1968-10-22

Country Status (6)

Country Link
US (1) US3511246A (fr)
ES (1) ES152094Y (fr)
FR (1) FR1594732A (fr)
GB (1) GB1234809A (fr)
IE (1) IE32092B1 (fr)
SE (1) SE343662B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251970A (en) * 1978-05-30 1981-02-24 Home Matti P Thin sheet having punched-out adhesion projections for use in compound structures, and compound structures constructed therewith
US5243320A (en) * 1988-02-26 1993-09-07 Gould Inc. Resistive metal layers and method for making same
US20040255522A1 (en) * 2003-06-04 2004-12-23 Knudson Gary A. Flow reducing overlying panel and method
CN114985577B (zh) * 2022-05-20 2024-08-27 江苏江海润液设备有限公司 一种润滑设备的零部件加工装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US224228A (en) * 1880-02-03 Manufacture of sheet-metal tubing
AU412407B1 (en) * 1966-05-16 1971-04-20 Vulcan Australia Limited Insulated ducting

Also Published As

Publication number Publication date
US3511246A (en) 1970-05-12
GB1234809A (en) 1971-06-09
IE32092L (en) 1969-09-28
DE1750083B2 (de) 1976-07-01
SE343662B (fr) 1972-03-13
IE32092B1 (en) 1973-04-04
DE1750083A1 (de) 1971-01-07
ES152094U (es) 1969-12-01
ES152094Y (es) 1970-09-01

Similar Documents

Publication Publication Date Title
AU1946070A (fr)
AU2374870A (fr)
FR1594732A (fr)
AU2952567A (fr)
AU2581067A (fr)
AR203075Q (fr)
AU2580267A (fr)
AU3789668A (fr)
AU3224368A (fr)
BE709496A (fr)
BE709320A (fr)
BE727762A (fr)
BE727577A (fr)
BE727571A (fr)
BE727553A (fr)
BE727458A (fr)
BE727057A (fr)
AU4558658A (fr)
BE726958A (fr)
BE726931A (fr)
BE726612A (fr)
BE726282A (fr)
BE725948A (fr)
BE714785A (fr)
BE728743A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse