BR8904034A - EMERALD WHEEL - Google Patents

EMERALD WHEEL

Info

Publication number
BR8904034A
BR8904034A BR898904034A BR8904034A BR8904034A BR 8904034 A BR8904034 A BR 8904034A BR 898904034 A BR898904034 A BR 898904034A BR 8904034 A BR8904034 A BR 8904034A BR 8904034 A BR8904034 A BR 8904034A
Authority
BR
Brazil
Prior art keywords
emerald
wheel
emerald wheel
Prior art date
Application number
BR898904034A
Other languages
Portuguese (pt)
Inventor
John Hay
Carole J Marhoff-Matheny
Brian E Swanson
Original Assignee
Norton Co
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
Priority claimed from US07/236,586 external-priority patent/US4898597A/en
Application filed by Norton Co filed Critical Norton Co
Publication of BR8904034A publication Critical patent/BR8904034A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
BR898904034A 1988-08-25 1989-08-10 EMERALD WHEEL BR8904034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/236,586 US4898597A (en) 1988-08-25 1988-08-25 Frit bonded abrasive wheel

Publications (1)

Publication Number Publication Date
BR8904034A true BR8904034A (en) 1990-03-20

Family

ID=22890111

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904034A BR8904034A (en) 1988-08-25 1989-08-10 EMERALD WHEEL

Country Status (5)

Country Link
KR (1) KR0158869B1 (en)
BR (1) BR8904034A (en)
CA (1) CA1323988C (en)
MX (1) MX166633B (en)
ZA (1) ZA895731B (en)

Also Published As

Publication number Publication date
MX166633B (en) 1993-01-25
ZA895731B (en) 1990-04-25
CA1323988C (en) 1993-11-09
KR0158869B1 (en) 1999-01-15
KR900002897A (en) 1990-03-23

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
ME Request for revocation
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 22/08/2010