CA1178447A - Deformable vacuum mold for shaping glass sheets - Google Patents

Deformable vacuum mold for shaping glass sheets

Info

Publication number
CA1178447A
CA1178447A CA000411201A CA411201A CA1178447A CA 1178447 A CA1178447 A CA 1178447A CA 000411201 A CA000411201 A CA 000411201A CA 411201 A CA411201 A CA 411201A CA 1178447 A CA1178447 A CA 1178447A
Authority
CA
Canada
Prior art keywords
box
deformable
sheet
flexible
slats
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
CA000411201A
Other languages
English (en)
French (fr)
Inventor
Gordon F. Pereman
John D. Kellar
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.)
PPG Industries Ohio Inc
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
Application granted granted Critical
Publication of CA1178447A publication Critical patent/CA1178447A/en
Expired 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

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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
CA000411201A 1981-10-23 1982-09-10 Deformable vacuum mold for shaping glass sheets Expired CA1178447A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US314,291 1981-10-23
US06/314,291 US4349375A (en) 1980-03-18 1981-10-23 Deformable vacuum mold for shaping glass sheets

Publications (1)

Publication Number Publication Date
CA1178447A true CA1178447A (en) 1984-11-27

Family

ID=23219371

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000411201A Expired CA1178447A (en) 1981-10-23 1982-09-10 Deformable vacuum mold for shaping glass sheets

Country Status (5)

Country Link
US (1) US4349375A (OSRAM)
JP (1) JPS5879833A (OSRAM)
CA (1) CA1178447A (OSRAM)
FR (1) FR2515166B1 (OSRAM)
IT (2) IT1152942B (OSRAM)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430110A (en) 1982-07-28 1984-02-07 Ppg Industries, Inc. Shaping sheets of glass or other deformable material to a compound curvature
US4470835A (en) * 1982-11-15 1984-09-11 Ppg Industries, Inc. Shaping sheets of glass or other deformable material to a complicated curvature
US4483701A (en) * 1983-05-24 1984-11-20 Ppg Industries, Inc. Cooling vacuum holder by suction fluid flow
US4511386A (en) * 1983-05-24 1985-04-16 Ppg Industries, Inc. Deformable vacuum holder used to shape glass sheets
US4483703A (en) * 1983-05-24 1984-11-20 Ppg Industries, Inc. Deformable vacuum holder with helical coil springs for shaping glass
US4483702A (en) * 1983-05-24 1984-11-20 Ppg Industries, Inc. Multiple chamber vacuum holder used to shape glass sheets with means to isolate adjacent vacuum chambers
US4511387A (en) * 1983-05-24 1985-04-16 Ppg Industries, Inc. Vacuum holder with anti-bulging means used to shape glass sheets
US4579577A (en) * 1984-12-21 1986-04-01 Ppg Industries, Inc. Vacuum press mold construction
EP0354001B1 (en) * 1988-08-03 1993-03-31 Nippon Sheet Glass Co. Ltd. Apparatus for bending glass sheet
FI87920C (fi) * 1991-04-26 1993-03-10 Tamglass Eng Oy Anordning foer boejning av en av kantform understoedd glasskiva
FI91522C (fi) * 1992-09-18 1994-07-11 Tamglass Eng Oy Menetelmä ja laite lasilevyjen taivuttamiseksi
US5494546A (en) * 1994-02-18 1996-02-27 Horvath; Steven J. Apparatus and method for applying anti-lacerative film to glass
US5651806A (en) * 1994-12-19 1997-07-29 Ford Motor Company Laminated vacuum form glass mold
US6830712B1 (en) * 2000-08-28 2004-12-14 Johnson & Johnson Vision Care, Inc. Deformable molds and methods for their use in the manufacture of ophthalmic lenses
FR2829721B1 (fr) * 2001-09-18 2007-02-23 Alexandre Udin Dispositif pour la fabrication par thermoformage de voiles a courbure tridimensionnelle
WO2010064083A1 (en) * 2008-07-31 2010-06-10 Mei S.R.L. Procedure and equipment for making glass frames and glass frame obtained therewith
CN101880121B (zh) * 2009-05-05 2012-07-04 福耀集团（上海）汽车玻璃有限公司 一种汽车钢化玻璃不锈钢平板模具
MA47366B1 (fr) * 2017-01-30 2020-10-28 Saint Gobain Procédé destiné au pliage d'une vitre
KR20200078677A (ko) 2017-11-22 2020-07-01 코닝 인코포레이티드 유리 리본들을 성형하기 위한 에지 디렉터들을 포함하는 장치
CN110156308B (zh) * 2019-03-25 2023-09-22 洛阳兰迪玻璃机器股份有限公司 一种反弯钢化玻璃压片装置
CN112454873B (zh) * 2020-11-03 2022-06-24 重庆翰博光电有限公司 一种导光板重压高温烘烤装置

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2131873A (en) * 1934-07-05 1938-10-04 Libbey Owens Ford Glass Co Apparatus for bending glass
US2261033A (en) * 1937-05-29 1941-10-28 Pittsburgh Plate Glass Co Glass bending mold
US2182448A (en) * 1937-11-18 1939-12-05 Libbey Owens Ford Glass Co Apparatus for bending glass sheets
US2442242A (en) * 1945-01-17 1948-05-25 Blue Ridge Glass Corp Bending of glass by pressing on heated molds
BE505637A (OSRAM) * 1950-09-13
US2663974A (en) * 1951-07-23 1953-12-29 Motor Products Corp Apparatus for bending glass sheets
BE539631A (OSRAM) * 1954-07-08
NL236203A (OSRAM) * 1958-02-18
GB1052473A (OSRAM) * 1962-12-03
FR1398897A (fr) * 1964-04-02 1965-05-14 Saint Gobain Procédé de bombage d'une feuille de verre
US3389984A (en) * 1965-02-11 1968-06-25 Pittsburgh Plate Glass Co Glass sheet press bending apparatus with indexed cover over the shaping surface
US3607187A (en) * 1969-01-08 1971-09-21 Permaglass Method and apparatus for reshaping glass sheets
FR2085464B1 (OSRAM) * 1970-04-23 1974-08-09 Saint Gobain Pont A Mousson
US3846104A (en) * 1973-01-10 1974-11-05 Ppg Industries Inc Handling glass sheets for shaping and cooling
US4092141A (en) * 1977-01-03 1978-05-30 Ppg Industries, Inc. Method and apparatus for handling glass sheets for shaping and cooling
US4202681A (en) * 1978-01-25 1980-05-13 Mcmaster Harold Vacuum holder system and method for use in bending glass
US4282026A (en) * 1978-01-25 1981-08-04 Mcmaster Harold Apparatus for bending and tempering glass
US4204854A (en) * 1978-05-01 1980-05-27 Mcmaster Harold Apparatus and method for bending glass sheets
US4187095A (en) * 1978-10-25 1980-02-05 Ppg Industries, Inc. Method and apparatus for handling glass sheets during shaping and cooling
US4197108A (en) * 1978-10-25 1980-04-08 Ppg Industries, Inc. Slotted glass sheet shaping mold
US4221580A (en) * 1978-10-25 1980-09-09 Ppg Industries, Inc. Glass sheet vacuum molding apparatus with uniform release means
US4272274A (en) * 1978-10-25 1981-06-09 Ppg Industries, Inc. Slotted glass sheet shaping mold
US4285715A (en) * 1978-10-25 1981-08-25 Ppg Industries, Inc. Cycle of mold movement while press bending glass sheets
US4233049A (en) * 1979-06-01 1980-11-11 Ppg Industries, Inc. Method and apparatus for shaping glass sheets by drop forming
US4204853A (en) * 1978-11-13 1980-05-27 Ppg Industries, Inc. Glass sheet alignment means and method of using
US4280828A (en) * 1978-11-13 1981-07-28 Ppg Industries, Inc. Shaping glass sheets by drop forming with pressure assist
US4229199A (en) * 1979-05-21 1980-10-21 Ppg Industries, Inc. Shaping glass sheets by drop forming with differential vacuum release
US4229200A (en) * 1979-06-01 1980-10-21 Ppg Industries, Inc. Drop forming glass sheets with auxiliary shaping means
US4227908A (en) * 1979-06-01 1980-10-14 Ppg Industries, Inc. Shaping glass sheets by drop forming with sag control means
US4298368A (en) * 1979-06-01 1981-11-03 Ppg Industries, Inc. Delivering and aligning glass sheets in a bending station
US4252552A (en) * 1979-09-25 1981-02-24 Ppg Industries, Inc. Shaping glass sheets using molds of different shapes
US4277276A (en) * 1980-03-17 1981-07-07 Ppg Industries, Inc. Method and apparatus for shaping glass sheets using deformable vacuum mold
US4297118A (en) * 1980-03-18 1981-10-27 Ppg Industries, Inc. Controlling overheating of vacuum mold used to shape glass sheets

Also Published As

Publication number Publication date
IT8223263V0 (it) 1982-10-22
JPS5879833A (ja) 1983-05-13
IT8223884A1 (it) 1984-04-22
JPS6141854B2 (OSRAM) 1986-09-18
FR2515166B1 (fr) 1985-08-02
IT1152942B (it) 1987-01-14
US4349375A (en) 1982-09-14
IT8223884A0 (it) 1982-10-22
FR2515166A1 (fr) 1983-04-29

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry