JPS5327731B1 - - Google Patents

Info

Publication number
JPS5327731B1
JPS5327731B1 JP5965771A JP5965771A JPS5327731B1 JP S5327731 B1 JPS5327731 B1 JP S5327731B1 JP 5965771 A JP5965771 A JP 5965771A JP 5965771 A JP5965771 A JP 5965771A JP S5327731 B1 JPS5327731 B1 JP S5327731B1
Authority
JP
Japan
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
JP5965771A
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 filed Critical
Publication of JPS5327731B1 publication Critical patent/JPS5327731B1/ja
Pending 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (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)
JP5965771A 1970-09-15 1971-08-09 Pending JPS5327731B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7235470A 1970-09-15 1970-09-15

Publications (1)

Publication Number Publication Date
JPS5327731B1 true JPS5327731B1 (ja) 1978-08-10

Family

ID=22107053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5965771A Pending JPS5327731B1 (ja) 1970-09-15 1971-08-09

Country Status (7)

Country Link
US (1) US3730408A (ja)
JP (1) JPS5327731B1 (ja)
BE (1) BE772572A (ja)
CA (1) CA926769A (ja)
DE (1) DE2141587C2 (ja)
FR (1) FR2106521B1 (ja)
GB (1) GB1361802A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319589A1 (fr) * 1975-08-01 1977-02-25 Saint Gobain Obtention d'un vitrage par brisure, suivant une ligne de decoupe, des bordures d'une plaque de verre
US4113162A (en) * 1977-02-09 1978-09-12 Libbey-Owens-Ford Company Method of and apparatus for thermally severing glass
US4196830A (en) * 1978-07-27 1980-04-08 Ppg Industries, Inc. Method of and apparatus for preventing premature severing of scored ribbon edges
US4190184A (en) * 1978-08-23 1980-02-26 Libbey-Owens-Ford Company Method of and apparatus for thermally cutting glass
DE29904994U1 (de) * 1999-03-18 2000-07-27 Scaritec Ag Muenchwilen Vorrichtung zum Schneiden von Hartschaum
US6664503B1 (en) 1999-09-07 2003-12-16 Asahi Glass Company, Ltd. Method for manufacturing a magnetic disk
US6795274B1 (en) 1999-09-07 2004-09-21 Asahi Glass Company, Ltd. Method for manufacturing a substantially circular substrate by utilizing scribing
JP2004217492A (ja) * 2003-01-17 2004-08-05 Murakami Corp ガラス板材の切抜方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US566436A (en) * 1896-08-25 Method of and apparatus for cutting off glass articles
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
US2584851A (en) * 1946-05-23 1952-02-05 Libbey Owens Ford Glass Co Method and apparatus for cutting and breaking glass
US3344968A (en) * 1965-12-02 1967-10-03 Libbey Owens Ford Glass Co Trimming glass sheets
ES362930A1 (es) * 1968-02-28 1970-11-16 Ppg Industries Inc Un metodo de cortar una hoja de vidrio.
US3589883A (en) * 1968-05-28 1971-06-29 Ppg Industries Inc Method and apparatus for thermally fracturing a ribbon of glass
GB1259958A (en) * 1968-11-14 1972-01-12 Pilkington Brothers Ltd Improvements in or relating to the cutting of glass sheets
US3587956A (en) * 1969-05-02 1971-06-28 Libbey Ownens Ford Co Apparatus for cutting glass plates

Also Published As

Publication number Publication date
FR2106521B1 (ja) 1974-09-06
DE2141587A1 (de) 1972-03-16
US3730408A (en) 1973-05-01
CA926769A (en) 1973-05-22
BE772572A (fr) 1972-03-14
DE2141587C2 (de) 1981-09-24
GB1361802A (en) 1974-07-30
FR2106521A1 (ja) 1972-05-05

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