IT1179683B - Dispositivo di sopporto a vuoto de formabile per sostenere lastre di vetro particolarmente durante lo svolgimento di operazioni di sagomatura - Google Patents

Dispositivo di sopporto a vuoto de formabile per sostenere lastre di vetro particolarmente durante lo svolgimento di operazioni di sagomatura

Info

Publication number
IT1179683B
IT1179683B IT67521/84A IT6752184A IT1179683B IT 1179683 B IT1179683 B IT 1179683B IT 67521/84 A IT67521/84 A IT 67521/84A IT 6752184 A IT6752184 A IT 6752184A IT 1179683 B IT1179683 B IT 1179683B
Authority
IT
Italy
Prior art keywords
formable
glass sheets
shaping operations
support device
vacuum
Prior art date
Application number
IT67521/84A
Other languages
English (en)
Other versions
IT8467521A1 (it
IT8467521A0 (it
Inventor
John Donald Keller
Gordon Foster Pereman
Original Assignee
Ppg Industries Inc
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 Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of IT8467521A0 publication Critical patent/IT8467521A0/it
Publication of IT8467521A1 publication Critical patent/IT8467521A1/it
Application granted granted Critical
Publication of IT1179683B publication Critical patent/IT1179683B/it

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

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)
  • Joining Of Glass To Other Materials (AREA)
IT67521/84A 1983-05-24 1984-05-23 Dispositivo di sopporto a vuoto de formabile per sostenere lastre di vetro particolarmente durante lo svolgimento di operazioni di sagomatura IT1179683B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/496,225 US4483703A (en) 1983-05-24 1983-05-24 Deformable vacuum holder with helical coil springs for shaping glass

Publications (3)

Publication Number Publication Date
IT8467521A0 IT8467521A0 (it) 1984-05-23
IT8467521A1 IT8467521A1 (it) 1985-11-23
IT1179683B true IT1179683B (it) 1987-09-16

Family

ID=23971749

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8453422U IT8453422V0 (it) 1983-05-24 1984-05-23 Dispositivo di sopporto a vuoto deformabile per sostenere lastre di vetro particolarmente durante lo svolgimento di operazioni di sagomatura
IT67521/84A IT1179683B (it) 1983-05-24 1984-05-23 Dispositivo di sopporto a vuoto de formabile per sostenere lastre di vetro particolarmente durante lo svolgimento di operazioni di sagomatura

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT8453422U IT8453422V0 (it) 1983-05-24 1984-05-23 Dispositivo di sopporto a vuoto deformabile per sostenere lastre di vetro particolarmente durante lo svolgimento di operazioni di sagomatura

Country Status (4)

Country Link
US (1) US4483703A (it)
CA (1) CA1199796A (it)
FR (1) FR2546506B1 (it)
IT (2) IT8453422V0 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527558A1 (de) * 1985-08-01 1987-02-05 Ver Glaswerke Gmbh Verfahren und vorrichtungen zum biegen einer glasscheibe
US5045103A (en) * 1987-08-07 1991-09-03 Glasstech, Inc. Apparatus for heating and bending glass sheets
US4909824A (en) * 1987-08-07 1990-03-20 Glasstech, Inc. Apparatus for bending glass sheets
US4957531A (en) * 1987-08-07 1990-09-18 Glasstech, Inc. Apparatus for heating bending and quenching glass sheets
US4909819A (en) * 1987-08-07 1990-03-20 Glasstech, Inc. Method for bending glass sheets
US4822398A (en) * 1987-08-07 1989-04-18 Mcmaster Harold Glass bending and tempering apparatus
US4883527A (en) * 1987-08-07 1989-11-28 Glasstech International L.P. Glass sheet bending and tempering apparatus
US4904294A (en) * 1988-12-22 1990-02-27 Ppg Industries, Inc. Belt assisted press bending
DE4034600C1 (it) * 1990-10-31 1992-02-20 Vegla Vereinigte Glaswerke Gmbh, 5100 Aachen, De
US6120352A (en) * 1997-03-06 2000-09-19 Keltech Engineering Lapping apparatus and lapping method using abrasive sheets
US6149506A (en) * 1998-10-07 2000-11-21 Keltech Engineering Lapping apparatus and method for high speed lapping with a rotatable abrasive platen
US5993298A (en) * 1997-03-06 1999-11-30 Keltech Engineering Lapping apparatus and process with controlled liquid flow across the lapping surface
US5910041A (en) * 1997-03-06 1999-06-08 Keltech Engineering Lapping apparatus and process with raised edge on platen
US6048254A (en) * 1997-03-06 2000-04-11 Keltech Engineering Lapping apparatus and process with annular abrasive area
US5967882A (en) * 1997-03-06 1999-10-19 Keltech Engineering Lapping apparatus and process with two opposed lapping platens
US6102777A (en) * 1998-03-06 2000-08-15 Keltech Engineering Lapping apparatus and method for high speed lapping with a rotatable abrasive platen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277276A (en) * 1980-03-17 1981-07-07 Ppg Industries, Inc. Method and apparatus for shaping glass sheets using deformable vacuum mold
US4349375A (en) * 1980-03-18 1982-09-14 Ppg Industries, Inc. Deformable vacuum mold for shaping glass sheets
US4297118A (en) * 1980-03-18 1981-10-27 Ppg Industries, Inc. Controlling overheating of vacuum mold used to shape glass sheets
US4430110A (en) * 1982-07-28 1984-02-07 Ppg Industries, Inc. Shaping sheets of glass or other deformable material to a compound curvature

Also Published As

Publication number Publication date
US4483703A (en) 1984-11-20
IT8467521A1 (it) 1985-11-23
FR2546506A1 (fr) 1984-11-30
FR2546506B1 (fr) 1987-02-20
IT8467521A0 (it) 1984-05-23
CA1199796A (en) 1986-01-28
IT8453422V0 (it) 1984-05-23

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