JPH0432772B2 - - Google Patents

Info

Publication number
JPH0432772B2
JPH0432772B2 JP59267058A JP26705884A JPH0432772B2 JP H0432772 B2 JPH0432772 B2 JP H0432772B2 JP 59267058 A JP59267058 A JP 59267058A JP 26705884 A JP26705884 A JP 26705884A JP H0432772 B2 JPH0432772 B2 JP H0432772B2
Authority
JP
Japan
Prior art keywords
glass
temperature
nozzle
gob
controlled
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 - Lifetime
Application number
JP59267058A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61146721A (ja
Inventor
Hiroaki Ueda
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP26705884A priority Critical patent/JPS61146721A/ja
Publication of JPS61146721A publication Critical patent/JPS61146721A/ja
Publication of JPH0432772B2 publication Critical patent/JPH0432772B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/14—Transferring molten glass or gobs to glass blowing or pressing machines
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/08—Feeder spouts, e.g. gob feeders
    • C03B7/094—Means for heating, cooling or insulation
    • C03B7/096—Means for heating, cooling or insulation for heating
    • C03B7/098—Means for heating, cooling or insulation for heating electric
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/10—Cutting-off or severing the glass flow with the aid of knives or scissors or non-contacting cutting means, e.g. a gas jet; Construction of the blades used
    • C03B7/12—Cutting-off or severing a free-hanging glass stream, e.g. by the combination of gravity and surface tension forces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
JP26705884A 1984-12-18 1984-12-18 ガラスゴブの製造方法およびガラスゴブの製造装置 Granted JPS61146721A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26705884A JPS61146721A (ja) 1984-12-18 1984-12-18 ガラスゴブの製造方法およびガラスゴブの製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26705884A JPS61146721A (ja) 1984-12-18 1984-12-18 ガラスゴブの製造方法およびガラスゴブの製造装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP9036189A Division JPH01308840A (ja) 1989-04-10 1989-04-10 ガラスレンズの製造方法およびガラスレンズの製造装置

Publications (2)

Publication Number Publication Date
JPS61146721A JPS61146721A (ja) 1986-07-04
JPH0432772B2 true JPH0432772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-06-01

Family

ID=17439445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26705884A Granted JPS61146721A (ja) 1984-12-18 1984-12-18 ガラスゴブの製造方法およびガラスゴブの製造装置

Country Status (1)

Country Link
JP (1) JPS61146721A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087279A (en) * 1989-07-14 1992-02-11 Matsushita Electric Industrial Co., Ltd. Method of producing optical glass element and production apparatus using this method
JPH0661701B2 (ja) * 1989-07-28 1994-08-17 オリンパス光学工業株式会社 ガラス光学素子の成形方法
US6251813B1 (en) 1998-04-28 2001-06-26 Hoya Corporation Optical glass and its use
DE102005046556B4 (de) * 2005-09-28 2009-04-09 Schott Ag Verfahren und Vorrichtung zur Herstellung von optischen Komponenten für Abbildungsoptiken aus der Schmelze
JPWO2010150571A1 (ja) * 2009-06-26 2012-12-10 コニカミノルタアドバンストレイヤー株式会社 光学素子の製造方法及び装置
JP5565265B2 (ja) 2010-10-22 2014-08-06 コニカミノルタ株式会社 ガラス成形体の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109518A (en) * 1977-03-05 1978-09-25 Ihara Chikuro Kougiyou Kk Production of small glass sphere

Also Published As

Publication number Publication date
JPS61146721A (ja) 1986-07-04

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Legal Events

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