DE2139221A1 - Verfahren zum thermischen Schneiden von Glas - Google Patents

Verfahren zum thermischen Schneiden von Glas

Info

Publication number
DE2139221A1
DE2139221A1 DE19712139221 DE2139221A DE2139221A1 DE 2139221 A1 DE2139221 A1 DE 2139221A1 DE 19712139221 DE19712139221 DE 19712139221 DE 2139221 A DE2139221 A DE 2139221A DE 2139221 A1 DE2139221 A1 DE 2139221A1
Authority
DE
Germany
Prior art keywords
glass
heat
cutting line
intended cutting
radiation
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.)
Pending
Application number
DE19712139221
Other languages
German (de)
English (en)
Inventor
John Robert Jeanette; Oravitz jun. James Lantry Cheswick; Michalik Edmund Richard West Mifflin; Pa. Dahlberg (V.StA.). C03b 33-08
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 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 DE2139221A1 publication Critical patent/DE2139221A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00Severing cooled glass
    • C03B33/09Severing cooled glass by thermal shock
    • C03B33/091Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00Severing by tearing or breaking
    • Y10T225/10Methods
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00Severing by tearing or breaking
    • Y10T225/10Methods
    • Y10T225/12With preliminary weakening
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00Severing by tearing or breaking
    • Y10T225/30Breaking or tearing apparatus
    • Y10T225/304Including means to apply thermal shock to work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00Severing by tearing or breaking
    • Y10T225/30Breaking or tearing apparatus
    • Y10T225/307Combined with preliminary weakener or with nonbreaking cutter
    • Y10T225/321Preliminary weakener
    • Y10T225/325With means to apply moment of force to weakened work

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DE19712139221 1970-09-15 1971-08-05 Verfahren zum thermischen Schneiden von Glas Pending DE2139221A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7235370A 1970-09-15 1970-09-15

Publications (1)

Publication Number Publication Date
DE2139221A1 true DE2139221A1 (de) 1972-03-16

Family

ID=22107044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712139221 Pending DE2139221A1 (de) 1970-09-15 1971-08-05 Verfahren zum thermischen Schneiden von Glas

Country Status (6)

Country Link
US (1) US3709414A (enExample)
BE (1) BE772571A (enExample)
CA (1) CA957503A (enExample)
DE (1) DE2139221A1 (enExample)
FR (1) FR2106522B1 (enExample)
GB (1) GB1349007A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3326384B2 (ja) * 1998-03-12 2002-09-24 古河電気工業株式会社 半導体ウエハーの劈開方法およびその装置
CN101678510B (zh) * 2007-02-28 2013-10-30 陶瓷技术有限责任公司 用于在沿着分割-或额定断裂线应用非对称的能量输入的情况下制造工件的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1973546A (en) * 1926-11-04 1934-09-11 Arthur E Spinasse Means for and method of separating glass sheets
US1720883A (en) * 1926-11-27 1929-07-16 Bessie L Gregg Apparatus for severing glass or the like
US1777644A (en) * 1928-12-22 1930-10-07 Pittsburgh Plate Glass Co Apparatus for severing glass sheets
US3230338A (en) * 1962-07-02 1966-01-18 Ibm Selective heating apparatus
US3242314A (en) * 1962-07-05 1966-03-22 Aerojet General Co Portable brazing and welding device
DE1244346B (de) * 1964-10-19 1967-07-13 Menzel Gerhard Glasbearbeitung Verfahren zum Schneiden von Glas
US3578936A (en) * 1968-04-23 1971-05-18 Continental Can Co Container body separation utilizing radiation discrimination

Also Published As

Publication number Publication date
BE772571A (fr) 1972-03-14
US3709414A (en) 1973-01-09
FR2106522B1 (enExample) 1977-01-21
GB1349007A (en) 1974-03-27
CA957503A (en) 1974-11-12
FR2106522A1 (enExample) 1972-05-05

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