FR393775A - Manufacturing process for watch keys - Google Patents

Manufacturing process for watch keys

Info

Publication number
FR393775A
FR393775A FR393775DA FR393775A FR 393775 A FR393775 A FR 393775A FR 393775D A FR393775D A FR 393775DA FR 393775 A FR393775 A FR 393775A
Authority
FR
France
Prior art keywords
manufacturing process
watch
keys
watch keys
manufacturing
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)
Inventor
Henri Deboulet
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.)
HENRI DEBOULET
Original Assignee
HENRI DEBOULET
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 HENRI DEBOULET filed Critical HENRI DEBOULET
Application granted granted Critical
Publication of FR393775A publication Critical patent/FR393775A/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
    • B21D53/00—Making other particular articles
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/02—Removably-mounted keys or the like
FR393775D 1907-11-05 1907-11-05 Manufacturing process for watch keys Expired FR393775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR393775T 1907-11-05

Publications (1)

Publication Number Publication Date
FR393775A true FR393775A (en) 1909-01-06

Family

ID=1439058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393775D Expired FR393775A (en) 1907-11-05 1907-11-05 Manufacturing process for watch keys

Country Status (1)

Country Link
FR (1) FR393775A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193418A (en) * 1990-04-26 1993-03-16 Behrenfeld Eric J Drum key

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193418A (en) * 1990-04-26 1993-03-16 Behrenfeld Eric J Drum key

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