FR2179708A1 - Automatic cutting of sheet glass - into iregular shapes by impact - Google Patents

Automatic cutting of sheet glass - into iregular shapes by impact

Info

Publication number
FR2179708A1
FR2179708A1 FR7244355A FR7244355A FR2179708A1 FR 2179708 A1 FR2179708 A1 FR 2179708A1 FR 7244355 A FR7244355 A FR 7244355A FR 7244355 A FR7244355 A FR 7244355A FR 2179708 A1 FR2179708 A1 FR 2179708A1
Authority
FR
France
Prior art keywords
shapes
iregular
impact
sheet
sheet glass
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.)
Granted
Application number
FR7244355A
Other languages
English (en)
French (fr)
Other versions
FR2179708B1 (enrdf_load_stackoverflow
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.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
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 Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of FR2179708A1 publication Critical patent/FR2179708A1/fr
Application granted granted Critical
Publication of FR2179708B1 publication Critical patent/FR2179708B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/04—Cutting or splitting in curves, especially for making spectacle lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
FR7244355A 1972-04-10 1972-12-13 Automatic cutting of sheet glass - into iregular shapes by impact Granted FR2179708A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3512272A JPS5212731B2 (enrdf_load_stackoverflow) 1972-04-10 1972-04-10

Publications (2)

Publication Number Publication Date
FR2179708A1 true FR2179708A1 (en) 1973-11-23
FR2179708B1 FR2179708B1 (enrdf_load_stackoverflow) 1975-03-28

Family

ID=12433112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7244355A Granted FR2179708A1 (en) 1972-04-10 1972-12-13 Automatic cutting of sheet glass - into iregular shapes by impact

Country Status (4)

Country Link
JP (1) JPS5212731B2 (enrdf_load_stackoverflow)
BE (1) BE787887A (enrdf_load_stackoverflow)
DE (1) DE2240977C3 (enrdf_load_stackoverflow)
FR (1) FR2179708A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028988A1 (fr) * 1979-11-13 1981-05-20 Saint Gobain Vitrage International Procédé et dispositif pour la séparation des marges sur une feuille de verre porteuse d'une ligne de découpe à contour fermé
EP1439149A3 (en) * 2003-01-17 2006-08-02 Murakami Corporation Method for manufacturing a glass blank
EP2700620A3 (en) * 2008-10-31 2014-08-13 Corning Incorporated Glass sheet separating device and method for using same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5388817A (en) * 1977-01-18 1978-08-04 Murakami Kaimeido Kk Method of accelerating crack
FR2398028A1 (fr) * 1977-07-21 1979-02-16 Saint Gobain Decoupe automatique du verre
JP5609870B2 (ja) * 2009-07-03 2014-10-22 旭硝子株式会社 脆性材料基板の割断方法及び割断装置並びにその割断方法により得られる車両用窓ガラス

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178085A (en) * 1961-09-25 1965-04-13 Saint Gobain Cutting glass
US3215345A (en) * 1963-02-06 1965-11-02 Ferguson Fabrication Co Apparatus for severing glass articles by thermal shock
US3474944A (en) * 1964-02-04 1969-10-28 Saint Gobain Apparatus and process for cutting glass

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178085A (en) * 1961-09-25 1965-04-13 Saint Gobain Cutting glass
US3215345A (en) * 1963-02-06 1965-11-02 Ferguson Fabrication Co Apparatus for severing glass articles by thermal shock
US3474944A (en) * 1964-02-04 1969-10-28 Saint Gobain Apparatus and process for cutting glass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028988A1 (fr) * 1979-11-13 1981-05-20 Saint Gobain Vitrage International Procédé et dispositif pour la séparation des marges sur une feuille de verre porteuse d'une ligne de découpe à contour fermé
EP1439149A3 (en) * 2003-01-17 2006-08-02 Murakami Corporation Method for manufacturing a glass blank
EP2700620A3 (en) * 2008-10-31 2014-08-13 Corning Incorporated Glass sheet separating device and method for using same

Also Published As

Publication number Publication date
FR2179708B1 (enrdf_load_stackoverflow) 1975-03-28
DE2240977B2 (de) 1974-07-25
JPS5212731B2 (enrdf_load_stackoverflow) 1977-04-09
BE787887A (fr) 1972-12-18
DE2240977A1 (de) 1973-10-31
JPS48102816A (enrdf_load_stackoverflow) 1973-12-24
DE2240977C3 (de) 1975-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse