IT1227608B - Pressa parziale in un forno di piegatura a gravita' in particolare per la sagomatura di lastre di vetro e simili - Google Patents

Pressa parziale in un forno di piegatura a gravita' in particolare per la sagomatura di lastre di vetro e simili

Info

Publication number
IT1227608B
IT1227608B IT8822950A IT2295088A IT1227608B IT 1227608 B IT1227608 B IT 1227608B IT 8822950 A IT8822950 A IT 8822950A IT 2295088 A IT2295088 A IT 2295088A IT 1227608 B IT1227608 B IT 1227608B
Authority
IT
Italy
Prior art keywords
shaping
similar
glass sheets
gravity bending
partial press
Prior art date
Application number
IT8822950A
Other languages
English (en)
Other versions
IT8822950A0 (it
Inventor
Joseph David Stas
Robert George Frank
James Howard Schwartz
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 IT8822950A0 publication Critical patent/IT8822950A0/it
Application granted granted Critical
Publication of IT1227608B publication Critical patent/IT1227608B/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
    • C03B23/025—Re-forming glass sheets by bending by gravity
    • 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
    • C03B23/025—Re-forming glass sheets by bending by gravity
    • C03B23/0256—Gravity bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
    • 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
    • C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
IT8822950A 1987-12-16 1988-12-14 Pressa parziale in un forno di piegatura a gravita' in particolare per la sagomatura di lastre di vetro e simili IT1227608B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/133,963 US4804397A (en) 1987-12-16 1987-12-16 Partial press in gravity bending furnace and method of use

Publications (2)

Publication Number Publication Date
IT8822950A0 IT8822950A0 (it) 1988-12-14
IT1227608B true IT1227608B (it) 1991-04-22

Family

ID=22461125

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8822950A IT1227608B (it) 1987-12-16 1988-12-14 Pressa parziale in un forno di piegatura a gravita' in particolare per la sagomatura di lastre di vetro e simili

Country Status (6)

Country Link
US (1) US4804397A (it)
JP (1) JPH0794332B2 (it)
KR (1) KR920000641B1 (it)
CA (1) CA1315986C (it)
FR (1) FR2624848A1 (it)
IT (1) IT1227608B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909820A (en) * 1988-02-25 1990-03-20 Asahi Glass Company Ltd. Method of and an apparatus for bending glass plates for a laminated glass
US5049178A (en) * 1989-09-11 1991-09-17 Ppg Industries, Inc. Partial press apparatus and method for glass sheet bending
US5178659A (en) * 1990-03-01 1993-01-12 Asahi Glass Company, Ltd. Method of an apparatus for bend-shaping a glass plate and bending mold used for them
FR2670775B1 (fr) * 1990-12-21 1993-08-06 Saint Gobain Vitrage Int Procede et dispositif d'obtention de feuilles de verre bombees.
FI87920C (fi) * 1991-04-26 1993-03-10 Tamglass Eng Oy Anordning foer boejning av en av kantform understoedd glasskiva
FI90044C (fi) * 1992-02-12 1993-12-27 Tamglass Eng Oy Foerfarande foer boejning och haerdning av glasskiva
FI91522C (fi) * 1992-09-18 1994-07-11 Tamglass Eng Oy Menetelmä ja laite lasilevyjen taivuttamiseksi
FR2709483B1 (fr) * 1993-08-31 1995-10-20 Saint Gobain Vitrage Int Procédé et dispositif pour le bombage de feuilles de verre.
US5669952A (en) 1994-10-14 1997-09-23 Ppg Industries, Inc. Pressure forming of glass sheets
US6076373A (en) * 1997-06-16 2000-06-20 Ppg Industries Ohio, Inc. Apparatus and method for bending glass sheets
US6006549A (en) * 1998-11-12 1999-12-28 Ppg Industries Ohio, Inc. Bending mold having side mounted weight assemblies and method of use thereof
US6561460B2 (en) 2000-08-03 2003-05-13 Ppg Industries Ohio, Inc. Switchable electrochromic devices for use in aircraft transparency windows
WO2002024588A1 (en) * 2000-09-21 2002-03-28 Glasstech, Inc. Articulated forming mold for glass sheets
US6629436B1 (en) 2000-11-03 2003-10-07 Ppg Industries Ohio, Inc. Apparatus for thermal treatment of glass and method and thermally treated glass therefrom
EP2090549A1 (fr) * 2008-01-25 2009-08-19 AGC Flat Glass Europe SA Bombage de feuilles de verre
GB0810001D0 (en) * 2008-06-02 2008-07-09 Pilkington Group Ltd Gravity bending glass sheets
DE102009012018B4 (de) * 2009-03-10 2018-11-22 Schott Ag Verfahren zur Herstellung von abgewinkelten Glaskeramikbauteilen und nach einem solchen Verfahren hergestelltes Glaskeramikbauteil
US8549885B2 (en) * 2011-11-23 2013-10-08 Corning Incorporated Process and system for precision glass sheet bending
US20210188686A1 (en) * 2017-10-19 2021-06-24 Saint-Gobain Glass France Gravity bending of glass in the presence of a radiative counter-skeleton
FR3072669B1 (fr) * 2017-10-19 2022-04-01 Saint Gobain Bombage de verre par gravite en presence d'un contre-squelette radiatif

Family Cites Families (13)

* 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
DE1100238B (de) * 1958-11-06 1961-02-23 Kinon Glas Spiegel Vorrichtung zum Biegen von unterschiedlich gewoelbten Glasscheiben
US3116993A (en) * 1959-02-04 1964-01-07 Pittsburgh Plate Glass Co Glass bending
US3220819A (en) * 1960-03-29 1965-11-30 Shatterproof Glass Corp Hold down device for glass bending mold
US4074996A (en) * 1976-07-28 1978-02-21 Libbey-Owens-Ford Company Method of and apparatus for bending glass sheets
US4262267A (en) * 1979-08-27 1981-04-14 The United States Of America As Represented By The Secretary Of The Navy Performance of metal dehalide dissociation lasers by changed buffer gas composition
US4265650A (en) * 1979-11-02 1981-05-05 Ppg Industries, Inc. Method of bending glass sheets in unison to complicated shapes
JPS595531A (ja) * 1982-06-30 1984-01-12 松下電工株式会社 遅れスイツチの構造
US4501603A (en) * 1983-03-30 1985-02-26 Ppg Industries, Inc. Method and apparatus for shaping glass sheets to complicated shapes
US4496386A (en) * 1984-01-16 1985-01-29 Libbey-Owens-Ford Company Method of and apparatus for bending glass sheets
JPS61183138A (ja) * 1985-02-08 1986-08-15 Nippon Sheet Glass Co Ltd 板ガラスのプレス曲げ成形装置
US4626267A (en) * 1985-09-16 1986-12-02 Ppg Industries, Inc. Method and apparatus to reduce tip curl of a glass sheet on a bending mold
FR2600326B1 (fr) * 1986-06-20 1992-08-28 Saint Gobain Vitrage Procede et dispositif pour le bombage de feuilles de verre

Also Published As

Publication number Publication date
IT8822950A0 (it) 1988-12-14
FR2624848B1 (it) 1994-04-22
KR920000641B1 (ko) 1992-01-20
US4804397A (en) 1989-02-14
CA1315986C (en) 1993-04-13
JPH0794332B2 (ja) 1995-10-11
FR2624848A1 (fr) 1989-06-23
JPH01201039A (ja) 1989-08-14
KR890009778A (ko) 1989-08-04

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971223