CA955219A - Glass cutting using a direct-current torque motor - Google Patents

Glass cutting using a direct-current torque motor

Info

Publication number
CA955219A
CA955219A CA120,912A CA120912A CA955219A CA 955219 A CA955219 A CA 955219A CA 120912 A CA120912 A CA 120912A CA 955219 A CA955219 A CA 955219A
Authority
CA
Canada
Prior art keywords
direct
torque motor
glass cutting
current torque
current
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
CA120,912A
Other versions
CA120912S (en
Inventor
David A. Bier
Edward W. Curtze
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 CA955219A publication Critical patent/CA955219A/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
    • C03B33/10—Glass-cutting tools, e.g. scoring tools

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)
CA120,912A 1970-08-31 1971-08-19 Glass cutting using a direct-current torque motor Expired CA955219A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6830570A 1970-08-31 1970-08-31
US12838471A 1971-03-26 1971-03-26

Publications (1)

Publication Number Publication Date
CA955219A true CA955219A (en) 1974-09-24

Family

ID=26748827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,912A Expired CA955219A (en) 1970-08-31 1971-08-19 Glass cutting using a direct-current torque motor

Country Status (5)

Country Link
BE (1) BE771930A (en)
CA (1) CA955219A (en)
DE (2) DE7132752U (en)
FR (1) FR2103627B1 (en)
GB (1) GB1339141A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505389A (en) * 1975-12-05 1978-03-30 Pilkington Brothers Ltd Apparatus for cutting or scoring sheet material
US4098155A (en) * 1976-09-17 1978-07-04 The Fletcher-Terry Company Self-compensating scoring head
US8051681B2 (en) 2007-05-09 2011-11-08 Corning Incorporated Constant force scoring device and method for using same

Also Published As

Publication number Publication date
FR2103627B1 (en) 1976-09-03
GB1339141A (en) 1973-11-28
DE2142932A1 (en) 1972-03-09
DE2142932C3 (en) 1974-05-16
BE771930A (en) 1972-02-29
DE7132752U (en) 1975-04-10
FR2103627A1 (en) 1972-04-14
DE2142932B2 (en) 1973-10-04

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