JPS573725A - Apparatus for bending flat glass - Google Patents

Apparatus for bending flat glass

Info

Publication number
JPS573725A
JPS573725A JP7445980A JP7445980A JPS573725A JP S573725 A JPS573725 A JP S573725A JP 7445980 A JP7445980 A JP 7445980A JP 7445980 A JP7445980 A JP 7445980A JP S573725 A JPS573725 A JP S573725A
Authority
JP
Japan
Prior art keywords
glass
mold
bent
bending
heated
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
JP7445980A
Other languages
Japanese (ja)
Other versions
JPS595531B2 (en
Inventor
Yukio Matsuyoshi
Takaharu Tone
Masami Nishitani
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.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
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 Central Glass Co Ltd filed Critical Central Glass Co Ltd
Priority to JP7445980A priority Critical patent/JPS595531B2/en
Publication of JPS573725A publication Critical patent/JPS573725A/en
Publication of JPS595531B2 publication Critical patent/JPS595531B2/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
    • C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
    • C03B23/031—Re-forming glass sheets by bending by press-bending between shaping moulds the glass sheets being in a vertical position

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)

Abstract

PURPOSE: To bend a flat glass at a small bending radius without causing the elongation or cracks at the suspended part of the glass, by dividing the bending part of the male mold which supports the bending part of the glass heated at a higher temperature than the other part of the glass.
CONSTITUTION: A flat glass G is heated homogeneously near the softening point as a whole, and the part to be bent is further heated at a temperature higher than that of the other part by several tens degrees. The whole glass is suspended with a suspending device 21, and inserted between the female mold 1 and the male mold 10. The cylinders 9 and 20 are actuated to press the glass G with the molds 1 and 10. The bending part 5 of the female mold is bent around the hinge 4 with the cylinder 8 to press and bend the part under the bending line 2 of the glass G until the glass is made to contact with the slant face 12 of the male mold. The receiving mold part 13 is retreated by the action of the cylinder 19 to separate the slant face 12 from the glass G, and the pressing mold parts 3 and 11 are retreated to separate the bent glass from the molds. By this procedure, a bent glass sheet having accurate dimensions can be produced in high efficiency.
COPYRIGHT: (C)1982,JPO&Japio
JP7445980A 1980-06-02 1980-06-02 flat glass bending device Expired JPS595531B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7445980A JPS595531B2 (en) 1980-06-02 1980-06-02 flat glass bending device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7445980A JPS595531B2 (en) 1980-06-02 1980-06-02 flat glass bending device

Publications (2)

Publication Number Publication Date
JPS573725A true JPS573725A (en) 1982-01-09
JPS595531B2 JPS595531B2 (en) 1984-02-06

Family

ID=13547850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7445980A Expired JPS595531B2 (en) 1980-06-02 1980-06-02 flat glass bending device

Country Status (1)

Country Link
JP (1) JPS595531B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180011814A (en) * 2015-05-27 2018-02-02 필킹톤 그룹 리미티드 METHOD AND APPARATUS FOR FORMING A GLASS SHEET

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0737122B2 (en) * 1985-06-25 1995-04-26 旭硝子株式会社 Bent safety glass
JPS6227228A (en) * 1985-07-29 1987-02-05 Kikkoman Corp Vertical rotary valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180011814A (en) * 2015-05-27 2018-02-02 필킹톤 그룹 리미티드 METHOD AND APPARATUS FOR FORMING A GLASS SHEET
JP2018519231A (en) * 2015-05-27 2018-07-19 ピルキントン グループ リミテッド Method and apparatus for forming glass sheets
US10995029B2 (en) 2015-05-27 2021-05-04 Pilkington Group Limited Method and apparatus for shaping glass sheets

Also Published As

Publication number Publication date
JPS595531B2 (en) 1984-02-06

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