CA2004428A1 - Cintrage assiste par courroie - Google Patents

Cintrage assiste par courroie

Info

Publication number
CA2004428A1
CA2004428A1 CA2004428A CA2004428A CA2004428A1 CA 2004428 A1 CA2004428 A1 CA 2004428A1 CA 2004428 A CA2004428 A CA 2004428A CA 2004428 A CA2004428 A CA 2004428A CA 2004428 A1 CA2004428 A1 CA 2004428A1
Authority
CA
Canada
Prior art keywords
glass sheet
belt
press face
press bending
supported
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.)
Granted
Application number
CA2004428A
Other languages
English (en)
Other versions
CA2004428C (fr
Inventor
Stephen Jeffrey Schultz
Terry Lee Wolfe
Richard Eugene Wilhelm
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
Publication of CA2004428A1 publication Critical patent/CA2004428A1/fr
Application granted granted Critical
Publication of CA2004428C publication Critical patent/CA2004428C/fr
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

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)
CA002004428A 1988-12-22 1989-12-01 Cintrage assiste par courroie Expired - Fee Related CA2004428C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/288,348 US4904294A (en) 1988-12-22 1988-12-22 Belt assisted press bending
US07/288,348 1988-12-22

Publications (2)

Publication Number Publication Date
CA2004428A1 true CA2004428A1 (fr) 1990-06-22
CA2004428C CA2004428C (fr) 1994-11-08

Family

ID=23106718

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002004428A Expired - Fee Related CA2004428C (fr) 1988-12-22 1989-12-01 Cintrage assiste par courroie

Country Status (5)

Country Link
US (1) US4904294A (fr)
EP (1) EP0374691B1 (fr)
JP (1) JP2677329B2 (fr)
CA (1) CA2004428C (fr)
DE (1) DE68918819T2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104086C1 (fr) * 1991-02-11 1992-02-20 Vegla Vereinigte Glaswerke Gmbh, 5100 Aachen, De
JPH0737326B2 (ja) * 1991-07-02 1995-04-26 富東電子工業株式会社 電子機器用カバーガラスの製造方法
US5401286A (en) * 1993-11-12 1995-03-28 Ppg Industries, Inc. Method and apparatus for shaping sheets
CA2151620C (fr) * 1994-07-15 1999-08-24 Ppg Industries Ohio, Inc. Presse a moule flexible
DE19643935C2 (de) * 1996-10-31 1998-10-08 Sekurit Saint Gobain Deutsch Verfahren und Vorrichtung zum schrittweisen Biegen von Glasscheiben
TW546261B (en) 1997-11-06 2003-08-11 Nippon Sheet Glass Co Ltd Method and apparatus for producing bent glass sheet
JP4373612B2 (ja) 1998-12-03 2009-11-25 日本板硝子株式会社 曲げガラス板の製造方法および製造装置
JP2000290029A (ja) 1999-04-01 2000-10-17 Nippon Sheet Glass Co Ltd ガラス板成形用ベルトおよびこのベルトを用いた曲げガラス板の製造方法
MY126647A (en) 1999-07-23 2006-10-31 Nippon Sheet Glass Co Ltd Curved glass sheet for vehicle window
JP2003160346A (ja) * 2001-11-22 2003-06-03 Murakami Corp ガラス基板の曲面成形方法
KR100949152B1 (ko) * 2007-11-23 2010-03-25 삼성코닝정밀유리 주식회사 유리 기판 레이저 절단 장치

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2223124A (en) * 1938-07-19 1940-11-26 Pittsburgh Plate Glass Co Method and apparatus for bending and case hardening glass sheets
DE1075293B (de) * 1954-07-08 1960-02-11 Compagme de Samt Gobam Paris Vorrichtung zum Wölben von Glassch-i ben
NL301271A (fr) * 1962-12-03
FR1398897A (fr) * 1964-04-02 1965-05-14 Saint Gobain Procédé de bombage d'une feuille de verre
GB1149702A (en) * 1966-11-16 1969-04-23 Ppg Industries Inc Apparatus for shaping glass sheets
US3806330A (en) * 1968-03-26 1974-04-23 Saint Gobain Apparatus for treatment of glass sheets
US4318728A (en) * 1979-08-27 1982-03-09 Ppg Industries, Inc. Double link arrangement for press bending molds and method of press shaping glass sheets
US4483703A (en) * 1983-05-24 1984-11-20 Ppg Industries, Inc. Deformable vacuum holder with helical coil springs for shaping glass
US4526605A (en) * 1983-09-15 1985-07-02 Ppg Industries, Inc. Vacuum mold for shaping glass sheets
US4579577A (en) * 1984-12-21 1986-04-01 Ppg Industries, Inc. Vacuum press mold construction
US4666496A (en) * 1985-12-06 1987-05-19 Ppg Industries, Inc. Shuttling support frame for vacuum pickup
US4662925A (en) * 1985-12-09 1987-05-05 Ppg Industries, Inc. Horizontal press bending of heat softened glass sheets
US4666492A (en) * 1985-12-11 1987-05-19 Ppg Industries, Inc. Method and apparatus for shaping glass sheets
US4666493A (en) * 1985-12-19 1987-05-19 Ppg Industries, Inc. Sheet positioning system
US4743285A (en) * 1986-07-30 1988-05-10 Shatterproof Glass Corp. Glass bending apparatus with retractable belts and method for using same
US4767437A (en) * 1987-03-25 1988-08-30 Ppg Industries, Inc. Horizontal press bending using a splitting vacuum/pressure pickup

Also Published As

Publication number Publication date
EP0374691A2 (fr) 1990-06-27
CA2004428C (fr) 1994-11-08
EP0374691A3 (fr) 1991-06-12
US4904294A (en) 1990-02-27
EP0374691B1 (fr) 1994-10-12
DE68918819T2 (de) 1995-03-30
JPH02221133A (ja) 1990-09-04
JP2677329B2 (ja) 1997-11-17
DE68918819D1 (de) 1994-11-17

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed