FR726094A - Improvements to electromagnetic drill bits - Google Patents

Improvements to electromagnetic drill bits

Info

Publication number
FR726094A
FR726094A FR726094DA FR726094A FR 726094 A FR726094 A FR 726094A FR 726094D A FR726094D A FR 726094DA FR 726094 A FR726094 A FR 726094A
Authority
FR
France
Prior art keywords
drill bits
electromagnetic drill
electromagnetic
bits
drill
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.)
BITSCHWWILLER ATEL CONST
Original Assignee
BITSCHWWILLER ATEL CONST
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 BITSCHWWILLER ATEL CONST filed Critical BITSCHWWILLER ATEL CONST
Application granted granted Critical
Publication of FR726094A publication Critical patent/FR726094A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
FR726094D 1931-01-17 1931-01-17 Improvements to electromagnetic drill bits Expired FR726094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR726094T 1931-01-17

Publications (1)

Publication Number Publication Date
FR726094A true FR726094A (en) 1932-05-23

Family

ID=9110491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726094D Expired FR726094A (en) 1931-01-17 1931-01-17 Improvements to electromagnetic drill bits

Country Status (1)

Country Link
FR (1) FR726094A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097869B (en) * 1953-10-26 1961-01-19 Simpson James Adams Thread guard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097869B (en) * 1953-10-26 1961-01-19 Simpson James Adams Thread guard

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