GB365499A - Manufacturing process for watch glasses made of transparent elastic material - Google Patents

Manufacturing process for watch glasses made of transparent elastic material

Info

Publication number
GB365499A
GB365499A GB23178/31A GB2317831A GB365499A GB 365499 A GB365499 A GB 365499A GB 23178/31 A GB23178/31 A GB 23178/31A GB 2317831 A GB2317831 A GB 2317831A GB 365499 A GB365499 A GB 365499A
Authority
GB
United Kingdom
Prior art keywords
elastic material
watch glasses
manufacturing process
glass
transparent elastic
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
GB23178/31A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB365499A publication Critical patent/GB365499A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/06—Devices for shaping or setting watch glasses
    • G04D3/065—Shaping by removing material, e.g. cutting out from a plate, milling the edges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Adornments (AREA)

Abstract

365,499. Cutting. MORF, E., 8, Chemin de Pouillerel, La Chaux-de-Fonds, Switzerland. Aug. 17, 1931, No. 23178. Convention date, Oct. 29, 1930. [Class 31 (i).] Milling-cutters, machines with.-In making watch glasses of elastic material such as cellulose derivative a templet corresponding to the flat development of the cambered glass is used in a pantograph and the sheet is cut bv a shouldered cutter to form a recess r on the glass b. The glass b is then cambered between dies and snapped into the bezel a.
GB23178/31A 1930-10-29 1931-08-17 Manufacturing process for watch glasses made of transparent elastic material Expired GB365499A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH365499X 1930-10-29

Publications (1)

Publication Number Publication Date
GB365499A true GB365499A (en) 1932-01-21

Family

ID=4513323

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23178/31A Expired GB365499A (en) 1930-10-29 1931-08-17 Manufacturing process for watch glasses made of transparent elastic material

Country Status (1)

Country Link
GB (1) GB365499A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645919A1 (en) * 2004-10-11 2006-04-12 Fuji Crystal Manufactory Ltd. Cambered watch crystal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645919A1 (en) * 2004-10-11 2006-04-12 Fuji Crystal Manufactory Ltd. Cambered watch crystal

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