FR2229216A6 - Abrasive disc inverted W section - outer wing has reinforced outwardly thicker tapering abrasive block - Google Patents

Abrasive disc inverted W section - outer wing has reinforced outwardly thicker tapering abrasive block

Info

Publication number
FR2229216A6
FR2229216A6 FR7316577A FR7316577A FR2229216A6 FR 2229216 A6 FR2229216 A6 FR 2229216A6 FR 7316577 A FR7316577 A FR 7316577A FR 7316577 A FR7316577 A FR 7316577A FR 2229216 A6 FR2229216 A6 FR 2229216A6
Authority
FR
France
Prior art keywords
abrasive
block
section
tapering
outer wing
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
FR7316577A
Other languages
French (fr)
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.)
SPAM FR
Original Assignee
SPAM FR
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 SPAM FR filed Critical SPAM FR
Priority to FR7316577A priority Critical patent/FR2229216A6/en
Priority to DE2324616A priority patent/DE2324616A1/en
Priority to US360802A priority patent/US3889430A/en
Priority to IT68432/73A priority patent/IT985919B/en
Application granted granted Critical
Publication of FR2229216A6 publication Critical patent/FR2229216A6/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece
    • B24D7/04—Wheels in one piece with reinforcing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • B24D5/04—Wheels in one piece with reinforcing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

Abrasive disc, e.g. accessory to portable electric drill comprises circular centrally apertured membrane 50 of inverted flat W in diametrical cross section: the wings 51, 52 inclined to the horizontal at say 10 deg. and embodying on the outer limbs 52 an outwardly thickening taper sections abrasive block 53. The block 53, composed of abrasive particles and binder bonds to dove tailed annular projecting rings 54 on the membrane and esp. into an annular peripherally adjacent groove 55. Glass fibre rings 53, 56 also reinforce the block in this area. Keys and reinforcement resist centrifugal and tangential forces.
FR7316577A 1972-05-17 1973-05-08 Abrasive disc inverted W section - outer wing has reinforced outwardly thicker tapering abrasive block Expired FR2229216A6 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7316577A FR2229216A6 (en) 1973-05-08 1973-05-08 Abrasive disc inverted W section - outer wing has reinforced outwardly thicker tapering abrasive block
DE2324616A DE2324616A1 (en) 1972-05-17 1973-05-16 GRINDING TOOLS
US360802A US3889430A (en) 1972-05-17 1973-05-16 Abrasive tools
IT68432/73A IT985919B (en) 1972-05-17 1973-05-17 ABRASIVE TOOLS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7316577A FR2229216A6 (en) 1973-05-08 1973-05-08 Abrasive disc inverted W section - outer wing has reinforced outwardly thicker tapering abrasive block

Publications (1)

Publication Number Publication Date
FR2229216A6 true FR2229216A6 (en) 1974-12-06

Family

ID=9118975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7316577A Expired FR2229216A6 (en) 1972-05-17 1973-05-08 Abrasive disc inverted W section - outer wing has reinforced outwardly thicker tapering abrasive block

Country Status (1)

Country Link
FR (1) FR2229216A6 (en)

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