JPS5253912A - Method of revising flatness of glass plate - Google Patents

Method of revising flatness of glass plate

Info

Publication number
JPS5253912A
JPS5253912A JP12739276A JP12739276A JPS5253912A JP S5253912 A JPS5253912 A JP S5253912A JP 12739276 A JP12739276 A JP 12739276A JP 12739276 A JP12739276 A JP 12739276A JP S5253912 A JPS5253912 A JP S5253912A
Authority
JP
Japan
Prior art keywords
revising
flatness
glass plate
glass
plate
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.)
Pending
Application number
JP12739276A
Other languages
Japanese (ja)
Inventor
Fuan Esudonku Yohanesu
Anpuroshiusu Yohane Adorianusu
Yakobusu Maria Peteru Petorusu
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS5253912A publication Critical patent/JPS5253912A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
    • C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
    • C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending

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)
JP12739276A 1975-10-27 1976-10-25 Method of revising flatness of glass plate Pending JPS5253912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7512516A NL7512516A (en) 1975-10-27 1975-10-27 METHOD OF IMPROVING THE FLATNESS OF A GLASS PLATE AND GLASS PLATE SO MANUFACTURED.

Publications (1)

Publication Number Publication Date
JPS5253912A true JPS5253912A (en) 1977-04-30

Family

ID=19824735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12739276A Pending JPS5253912A (en) 1975-10-27 1976-10-25 Method of revising flatness of glass plate

Country Status (4)

Country Link
JP (1) JPS5253912A (en)
DE (1) DE2647551A1 (en)
FR (1) FR2362086A1 (en)
NL (1) NL7512516A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349374A (en) * 1981-01-21 1982-09-14 Camelot Industries Corporation Method and apparatus for manufacturing glass progressive lenses
FR2543130B1 (en) * 1983-03-24 1986-08-14 Essilor Int METHOD AND MATRIX FOR BOMBING A THIN GLASS PLATE, AND THIN BOMBED GLASS PLATE

Also Published As

Publication number Publication date
DE2647551A1 (en) 1977-04-28
FR2362086A1 (en) 1978-03-17
NL7512516A (en) 1977-04-29

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