FR2321981B1 - - Google Patents
Info
- Publication number
- FR2321981B1 FR2321981B1 FR7526310A FR7526310A FR2321981B1 FR 2321981 B1 FR2321981 B1 FR 2321981B1 FR 7526310 A FR7526310 A FR 7526310A FR 7526310 A FR7526310 A FR 7526310A FR 2321981 B1 FR2321981 B1 FR 2321981B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
- B24D9/04—Rigid drums for carrying flexible material
- B24D9/06—Rigid drums for carrying flexible material able to be stripped-off from a built-in delivery spool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7526310A FR2321981A1 (fr) | 1975-08-26 | 1975-08-26 | Perfectionnement aux roues de polissage |
| GB33729/76A GB1529005A (en) | 1975-08-26 | 1976-08-13 | Polishing wheels |
| US05/715,284 US4070798A (en) | 1975-08-26 | 1976-08-18 | Polishing wheels |
| NL7609373A NL7609373A (nl) | 1975-08-26 | 1976-08-23 | Polijstwiel. |
| DE19762638139 DE2638139A1 (de) | 1975-08-26 | 1976-08-25 | Polierrad |
| DK382976A DK382976A (da) | 1975-08-26 | 1976-08-25 | Slibehjul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7526310A FR2321981A1 (fr) | 1975-08-26 | 1975-08-26 | Perfectionnement aux roues de polissage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2321981A1 FR2321981A1 (fr) | 1977-03-25 |
| FR2321981B1 true FR2321981B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-16 |
Family
ID=9159362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7526310A Granted FR2321981A1 (fr) | 1975-08-26 | 1975-08-26 | Perfectionnement aux roues de polissage |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541348C1 (de) * | 1985-07-18 | 1987-01-02 | Gerd Eisenblaetter | Faecherstirnschleifscheibe |
| US4991361A (en) * | 1989-11-16 | 1991-02-12 | Minnesota Mining And Manufacturing Company | Cylinder hone |
| GB2277118B (en) * | 1993-04-16 | 1996-01-03 | William Edmund Carroll | Tool |
| JP2832138B2 (ja) * | 1993-09-30 | 1998-12-02 | 信越半導体株式会社 | ウェーハ外周部の研磨装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US352988A (en) * | 1886-11-23 | bridqman | ||
| US564587A (en) * | 1896-07-28 | Sandpapering-machine | ||
| US1284786A (en) * | 1918-07-20 | 1918-11-12 | Alfred Safka | Lapping-head. |
| US2102745A (en) * | 1936-08-24 | 1937-12-21 | Merwin F Read | Abrasive pad |
| US2465225A (en) * | 1946-02-27 | 1949-03-22 | Goodrich Co B F | Polishing wheel |
| US2751727A (en) * | 1953-08-28 | 1956-06-26 | Leavitt Machine Co | Grinding head and grinding surface therefor |
| US2767526A (en) * | 1954-04-26 | 1956-10-23 | John O Moran | Resilient pressure finger for a sanding machine |
| GB870588A (en) * | 1956-09-10 | 1961-06-14 | Russell Shears Ltd | Grinding, polishing, abrading or the like wheel |
-
1975
- 1975-08-26 FR FR7526310A patent/FR2321981A1/fr active Granted
-
1976
- 1976-08-13 GB GB33729/76A patent/GB1529005A/en not_active Expired
- 1976-08-18 US US05/715,284 patent/US4070798A/en not_active Expired - Lifetime
- 1976-08-23 NL NL7609373A patent/NL7609373A/xx not_active Application Discontinuation
- 1976-08-25 DE DE19762638139 patent/DE2638139A1/de not_active Withdrawn
- 1976-08-25 DK DK382976A patent/DK382976A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2638139A1 (de) | 1977-03-10 |
| NL7609373A (nl) | 1977-03-01 |
| DK382976A (da) | 1977-02-27 |
| US4070798A (en) | 1978-01-31 |
| GB1529005A (en) | 1978-10-18 |
| FR2321981A1 (fr) | 1977-03-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |