US93413A - Improvement in modes of making corundum-wheels - Google Patents
Improvement in modes of making corundum-wheels Download PDFInfo
- Publication number
- US93413A US93413A US93413DA US93413A US 93413 A US93413 A US 93413A US 93413D A US93413D A US 93413DA US 93413 A US93413 A US 93413A
- Authority
- US
- United States
- Prior art keywords
- modes
- improvement
- wheels
- making
- corundum
- 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 - Lifetime
Links
- 229910001651 emery Inorganic materials 0.000 description 2
Images
Classifications
-
- 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
- B24D5/12—Cut-off wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
Y UNITED STATES PATENT OFFICE.
A. W. CAI.DER, OF SAN FRANCISCO, CALIFORNIA.
IMPROVEMENT IN MODES OF MAKING COEUNDUM-WI-IEELS.
. Specification forming part of Letters Patent No. 93,413, dated August 10, 1869.
To all 'whom it may concern Bc it known that I, A. W. CALDER, of the city and county of San Francisco, State of center hole, grooved for the purpose of screwing said wheel A upon the arbor or mandrel of the lathe or revolving shaft used for the purpose of revolving the wheel.
What I claim as my invention, and desire to secure byLetters Patent for the same, is
The metallic center placed in the cornndnm or emery wheel, in the manner and for the-purposes substantially as above set forth.
A. W. OALDER.
Witnesses A. IG. WATEEHOUSE, MICHAEL MEAGHER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US93413A true US93413A (en) | 1869-08-10 |
Family
ID=2162890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US93413D Expired - Lifetime US93413A (en) | Improvement in modes of making corundum-wheels |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US93413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3250045A (en) * | 1963-09-26 | 1966-05-10 | Richard T Caserta | Grinding wheel |
-
0
- US US93413D patent/US93413A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3250045A (en) * | 1963-09-26 | 1966-05-10 | Richard T Caserta | Grinding wheel |
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