FR676978A - Perfectionnements aux filières - Google Patents

Perfectionnements aux filières

Info

Publication number
FR676978A
FR676978A FR676978DA FR676978A FR 676978 A FR676978 A FR 676978A FR 676978D A FR676978D A FR 676978DA FR 676978 A FR676978 A FR 676978A
Authority
FR
France
Prior art keywords
sectors
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.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
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 National Acme Co filed Critical National Acme Co
Application granted granted Critical
Publication of FR676978A publication Critical patent/FR676978A/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
    • B23G5/00—Thread-cutting tools; Die-heads
    • B23G5/08—Thread-cutting tools; Die-heads with means for adjustment
    • B23G5/10—Die-heads
    • B23G5/12—Die-heads self-releasing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR676978D 1929-06-21 1929-06-21 Perfectionnements aux filières Expired FR676978A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR676978T 1929-06-21

Publications (1)

Publication Number Publication Date
FR676978A true FR676978A (fr) 1930-03-01

Family

ID=9020181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676978D Expired FR676978A (fr) 1929-06-21 1929-06-21 Perfectionnements aux filières

Country Status (1)

Country Link
FR (1) FR676978A (fr)

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