FR666794A - Enlarging device for spectacle lens frames and other applications - Google Patents

Enlarging device for spectacle lens frames and other applications

Info

Publication number
FR666794A
FR666794A FR666794DA FR666794A FR 666794 A FR666794 A FR 666794A FR 666794D A FR666794D A FR 666794DA FR 666794 A FR666794 A FR 666794A
Authority
FR
France
Prior art keywords
applications
spectacle lens
lens frames
enlarging device
enlarging
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
Joseph-Auguste Briot
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 filed Critical
Application granted granted Critical
Publication of FR666794A publication Critical patent/FR666794A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B21F45/002—Wire-working in the manufacture of other particular articles of frames for spectacles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR666794D 1928-03-30 1928-03-30 Enlarging device for spectacle lens frames and other applications Expired FR666794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR666794T 1928-03-30

Publications (1)

Publication Number Publication Date
FR666794A true FR666794A (en) 1929-10-05

Family

ID=9014054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666794D Expired FR666794A (en) 1928-03-30 1928-03-30 Enlarging device for spectacle lens frames and other applications

Country Status (1)

Country Link
FR (1) FR666794A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618184A (en) * 1949-09-29 1952-11-18 Edward G Goedhart Device for expanding lens openings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618184A (en) * 1949-09-29 1952-11-18 Edward G Goedhart Device for expanding lens openings

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