CA957503A - Directional control for thermal severing of glass - Google Patents

Directional control for thermal severing of glass

Info

Publication number
CA957503A
CA957503A CA112,447A CA112447A CA957503A CA 957503 A CA957503 A CA 957503A CA 112447 A CA112447 A CA 112447A CA 957503 A CA957503 A CA 957503A
Authority
CA
Canada
Prior art keywords
glass
directional control
thermal severing
severing
thermal
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
Application number
CA112,447A
Other languages
English (en)
Inventor
Edmund R. Michalik
John R. Dahlberg
James L. Oravitz (Jr.)
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
Application granted granted Critical
Publication of CA957503A publication Critical patent/CA957503A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/09—Severing cooled glass by thermal shock
    • C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/10—Methods
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/10—Methods
    • Y10T225/12—With preliminary weakening
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/304—Including means to apply thermal shock to work
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/307—Combined with preliminary weakener or with nonbreaking cutter
    • Y10T225/321—Preliminary weakener
    • Y10T225/325—With 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)
CA112,447A 1970-09-15 1971-05-07 Directional control for thermal severing of glass Expired CA957503A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA957503A true CA957503A (en) 1974-11-12

Family

ID=22107044

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,447A Expired CA957503A (en) 1970-09-15 1971-05-07 Directional control for thermal severing of glass

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
FR2106522A1 (enExample) 1972-05-05
DE2139221A1 (de) 1972-03-16

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