CA968561A - Method for molding glass lenses - Google Patents

Method for molding glass lenses

Info

Publication number
CA968561A
CA968561A CA124,447A CA124447A CA968561A CA 968561 A CA968561 A CA 968561A CA 124447 A CA124447 A CA 124447A CA 968561 A CA968561 A CA 968561A
Authority
CA
Canada
Prior art keywords
glass lenses
molding glass
molding
lenses
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.)
Expired
Application number
CA124,447A
Other languages
English (en)
Inventor
Gerald E. Blair
Clarence C. Maier
William F. Parsons
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA968561A publication Critical patent/CA968561A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
    • C03B40/02—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it by lubrication; Use of materials as release or lubricating compositions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C03B11/086—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor of coated dies
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/05—Press-mould die materials
    • C03B2215/07—Ceramic or cermets
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/08—Coated press-mould dies
    • C03B2215/14—Die top coat materials, e.g. materials for the glass-contacting layers
    • C03B2215/24—Carbon, e.g. diamond, graphite, amorphous carbon
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/60—Aligning press die axes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/70—Horizontal or inclined press axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
CA124,447A 1970-11-27 1971-10-05 Method for molding glass lenses Expired CA968561A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9335170A 1970-11-27 1970-11-27
US9333670A 1970-11-27 1970-11-27

Publications (1)

Publication Number Publication Date
CA968561A true CA968561A (en) 1975-06-03

Family

ID=26787419

Family Applications (2)

Application Number Title Priority Date Filing Date
CA124,447A Expired CA968561A (en) 1970-11-27 1971-10-05 Method for molding glass lenses
CA124,432A Expired CA968560A (en) 1970-11-27 1971-10-05 Method for molding glass lenses

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA124,432A Expired CA968560A (en) 1970-11-27 1971-10-05 Method for molding glass lenses

Country Status (9)

Country Link
JP (1) JPS5438126B1 (enExample)
BE (1) BE775678A (enExample)
CA (2) CA968561A (enExample)
CH (1) CH544643A (enExample)
DD (1) DD95919A5 (enExample)
DE (1) DE2157803A1 (enExample)
FR (1) FR2115267B1 (enExample)
GB (1) GB1367335A (enExample)
NL (1) NL7116403A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844755A (en) * 1972-11-16 1974-10-29 Eastman Kodak Co Method and apparatus for transfer molding glass lenses
KR860001491B1 (ko) * 1981-10-30 1986-09-27 코오닝 그라아스 와아크스 정밀유리제품의 성형방법
CA2184206C (en) * 1995-08-29 2002-10-08 Yasuaki Sakamoto Molded glass plate produced by mold with modified surface

Also Published As

Publication number Publication date
DD95919A5 (enExample) 1973-02-20
DE2157803A1 (de) 1972-05-31
JPS5438126B1 (enExample) 1979-11-19
AU3621171A (en) 1973-05-31
GB1367335A (en) 1974-09-18
BE775678A (fr) 1972-03-16
CH544643A (fr) 1973-11-30
NL7116403A (enExample) 1972-05-30
FR2115267B1 (enExample) 1976-04-30
FR2115267A1 (enExample) 1972-07-07
CA968560A (en) 1975-06-03

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