FR639930A - Process for cutting slats intended for the manufacture of iron bodies for armored transformers, and slats obtained by this process - Google Patents

Process for cutting slats intended for the manufacture of iron bodies for armored transformers, and slats obtained by this process

Info

Publication number
FR639930A
FR639930A FR639930DA FR639930A FR 639930 A FR639930 A FR 639930A FR 639930D A FR639930D A FR 639930DA FR 639930 A FR639930 A FR 639930A
Authority
FR
France
Prior art keywords
slats
armored
transformers
manufacture
intended
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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR639930A publication Critical patent/FR639930A/en
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
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
FR639930D 1927-03-24 1927-08-23 Process for cutting slats intended for the manufacture of iron bodies for armored transformers, and slats obtained by this process Expired FR639930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL639930X 1927-03-24

Publications (1)

Publication Number Publication Date
FR639930A true FR639930A (en) 1928-07-02

Family

ID=19788988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR639930D Expired FR639930A (en) 1927-03-24 1927-08-23 Process for cutting slats intended for the manufacture of iron bodies for armored transformers, and slats obtained by this process

Country Status (1)

Country Link
FR (1) FR639930A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811203A (en) * 1952-05-27 1957-10-29 Armour Res Found Method for forming ei lamination for shell-type core
FR2419778A1 (en) * 1978-03-13 1979-10-12 Exfin Sa METHOD AND DEVICE FOR SIMULTANEOUSLY CUTTING A SHEET TAPE AT LEAST THREE CONTINUOUS PIECES IN THE FORM OF A COMB

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811203A (en) * 1952-05-27 1957-10-29 Armour Res Found Method for forming ei lamination for shell-type core
FR2419778A1 (en) * 1978-03-13 1979-10-12 Exfin Sa METHOD AND DEVICE FOR SIMULTANEOUSLY CUTTING A SHEET TAPE AT LEAST THREE CONTINUOUS PIECES IN THE FORM OF A COMB

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