DE68905986T2 - Verfahren und Vorrichtung zum Pressbiegen unter Verwendung von Druckgas. - Google Patents

Verfahren und Vorrichtung zum Pressbiegen unter Verwendung von Druckgas.

Info

Publication number
DE68905986T2
DE68905986T2 DE89117229T DE68905986T DE68905986T2 DE 68905986 T2 DE68905986 T2 DE 68905986T2 DE 89117229 T DE89117229 T DE 89117229T DE 68905986 T DE68905986 T DE 68905986T DE 68905986 T2 DE68905986 T2 DE 68905986T2
Authority
DE
Germany
Prior art keywords
compressed gas
press bending
bending
press
compressed
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 - Fee Related
Application number
DE89117229T
Other languages
English (en)
Other versions
DE68905986D1 (de
Inventor
Joseph John Fisher
Thomas Jonah Reese
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 DE68905986D1 publication Critical patent/DE68905986D1/de
Publication of DE68905986T2 publication Critical patent/DE68905986T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
    • C03B23/0305—Press-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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
    • C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
    • C03B29/08—Glass sheets
DE89117229T 1988-09-26 1989-09-18 Verfahren und Vorrichtung zum Pressbiegen unter Verwendung von Druckgas. Expired - Fee Related DE68905986T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/248,679 US4894080A (en) 1988-09-26 1988-09-26 In-lehr glass sheet press bending using pressurized gas

Publications (2)

Publication Number Publication Date
DE68905986D1 DE68905986D1 (de) 1993-05-19
DE68905986T2 true DE68905986T2 (de) 1993-10-28

Family

ID=22940200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89117229T Expired - Fee Related DE68905986T2 (de) 1988-09-26 1989-09-18 Verfahren und Vorrichtung zum Pressbiegen unter Verwendung von Druckgas.

Country Status (4)

Country Link
US (1) US4894080A (de)
EP (1) EP0361263B1 (de)
CA (1) CA1328740C (de)
DE (1) DE68905986T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431895A3 (en) * 1989-12-05 1991-08-21 Nippon Sheet Glass Co. Ltd. Method of and apparatus for bending and tempering sheet glass
JPH0764575B2 (ja) * 1990-01-11 1995-07-12 日本板硝子株式会社 板ガラスのプレス曲げ方法及び装置
EP0445672B1 (de) * 1990-03-01 1997-06-11 Asahi Glass Company Ltd. Verfahren und Vorrichtung zum Formen einer Glasscheibe durch Biegen und dafür benutzte Biegematrize
US5492843A (en) * 1993-07-31 1996-02-20 Semiconductor Energy Laboratory Co., Ltd. Method of fabricating semiconductor device and method of processing substrate
GB9416893D0 (en) * 1994-08-20 1994-10-12 Triplex Safety Glass Co Heating and bending glass sheets
US5669952A (en) 1994-10-14 1997-09-23 Ppg Industries, Inc. Pressure forming of glass sheets
JPH10117815A (ja) * 1996-08-30 1998-05-12 Ykk Corp 面ファスナー帯およびその製造方法
US6076373A (en) * 1997-06-16 2000-06-20 Ppg Industries Ohio, Inc. Apparatus and method for bending glass sheets
DE10105200A1 (de) * 2001-02-06 2002-08-14 Saint Gobain Verfahren und Vorrichtung zum paarweisen Biegen von Glasscheiben
EP1550639A1 (de) * 2003-12-26 2005-07-06 Asahi Glass Company, Limited Verfahren und Vorrichtung zum Biegen von Glasscheiben
US7459199B2 (en) * 2004-01-29 2008-12-02 Ppg Industries Ohio, Inc. Method of and apparatus for strengthening edges of one or more glass sheets
US20150232367A1 (en) * 2014-02-18 2015-08-20 Corning Incorporated Press bending mold cloth change system and method
CA2994359C (en) * 2016-01-28 2020-01-07 Gunther Schall Positive pressure-supported glass bending method and device suitable therefor
US20190263708A1 (en) * 2016-06-07 2019-08-29 Corning Incorporated Methods for manufacturing three-dimensional laminate glass articles
WO2018122767A1 (en) * 2016-12-30 2018-07-05 Agp America S.A. Method and apparatus for bending thin glass
WO2021086566A1 (en) * 2019-10-30 2021-05-06 Corning Incorporated Methods and systems for press bending two or more plies of glass

Family Cites Families (20)

* 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
US2123552A (en) * 1936-11-19 1938-07-12 Rohm & Haas Apparatus for shaping thermoplastic sheets
BE505637A (de) * 1950-09-13
US3068672A (en) * 1958-02-17 1962-12-18 Pittsburgh Plate Glass Co Apparatus for bending sheet glass
US3208839A (en) * 1961-02-27 1965-09-28 Corning Glass Works Method of shaping a glass article
US3408173A (en) * 1965-01-29 1968-10-29 Libbey Owens Ford Glass Co Method of and apparatus for bending and tempering glass sheets
US3582454A (en) * 1968-11-04 1971-06-01 Corning Glass Works Glass article forming and trimming
US3682613A (en) * 1970-10-15 1972-08-08 Ppg Industries Inc Apparatus for press bending glass sheets
US3976462A (en) * 1975-03-10 1976-08-24 Ppg Industries, Inc. Method and apparatus for bending glass sheets
US4092141A (en) * 1977-01-03 1978-05-30 Ppg Industries, Inc. Method and apparatus for handling glass sheets for shaping and cooling
US4290796A (en) * 1979-11-02 1981-09-22 Ppg Industries, Inc. Mold alignment means for glass sheet shaping apparatus
US4260409A (en) * 1979-11-02 1981-04-07 Ppg Industries, Inc. Attaching flexible cover to mold for shaping glass
US4272275A (en) * 1979-11-02 1981-06-09 Ppg Industries, Inc. Aligning glass sheets on an outline mold prior to transfer to shaping mold
US4265650A (en) * 1979-11-02 1981-05-05 Ppg Industries, Inc. Method of bending glass sheets in unison to complicated shapes
US4260408A (en) * 1979-11-02 1981-04-07 Ppg Industries, Inc. Use of speed changes during cycling of a shaping mold
US4274858A (en) * 1980-01-28 1981-06-23 Ppg Industries, Inc. Molds for press bending glass sheets
US4305746A (en) * 1980-05-01 1981-12-15 Libbey-Owens-Ford Company Method of and apparatus for bending glass sheets
US4356018A (en) * 1981-09-04 1982-10-26 Mcmaster Harold Method and apparatus for deep bending glass sheets
US4597789A (en) * 1985-08-12 1986-07-01 Ppg Industries, Inc. Tungsten alloy bending mold inserts
US4756735A (en) * 1987-07-24 1988-07-12 Ppg Industries, Inc. In-lehr press bending

Also Published As

Publication number Publication date
DE68905986D1 (de) 1993-05-19
US4894080A (en) 1990-01-16
EP0361263A3 (en) 1990-10-10
EP0361263A2 (de) 1990-04-04
EP0361263B1 (de) 1993-04-14
CA1328740C (en) 1994-04-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PPG INDUSTRIES OHIO, INC., CLEVELAND, OHIO, US

8339 Ceased/non-payment of the annual fee