FR651718A - Appareil à tarauder amplificateur et inverseur - Google Patents

Appareil à tarauder amplificateur et inverseur

Info

Publication number
FR651718A
FR651718A FR651718DA FR651718A FR 651718 A FR651718 A FR 651718A FR 651718D A FR651718D A FR 651718DA FR 651718 A FR651718 A FR 651718A
Authority
FR
France
Prior art keywords
inverter
amplifier
tapping device
tapping
inverter tapping
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
English (en)
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.)
LEJEUNE ET H MICHEL LEVY ETS
Original Assignee
LEJEUNE ET H MICHEL LEVY ETS
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 LEJEUNE ET H MICHEL LEVY ETS filed Critical LEJEUNE ET H MICHEL LEVY ETS
Application granted granted Critical
Publication of FR651718A publication Critical patent/FR651718A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
    • B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
    • B23G1/465—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools comprising arrangements for reversing the rotation of the tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR651718D 1928-03-24 1928-03-24 Appareil à tarauder amplificateur et inverseur Expired FR651718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR651718T 1928-03-24

Publications (1)

Publication Number Publication Date
FR651718A true FR651718A (fr) 1929-02-27

Family

ID=9004823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651718D Expired FR651718A (fr) 1928-03-24 1928-03-24 Appareil à tarauder amplificateur et inverseur

Country Status (1)

Country Link
FR (1) FR651718A (fr)

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