FR2367576B1 - - Google Patents
Info
- Publication number
- FR2367576B1 FR2367576B1 FR7716229A FR7716229A FR2367576B1 FR 2367576 B1 FR2367576 B1 FR 2367576B1 FR 7716229 A FR7716229 A FR 7716229A FR 7716229 A FR7716229 A FR 7716229A FR 2367576 B1 FR2367576 B1 FR 2367576B1
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers
- B24B3/20—Tapering or chamfering taps or reamers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762645913 DE2645913C3 (en) | 1976-10-12 | 1976-10-12 | Method for rounding the outer edges of the threads at the thread inlet and / or thread outlet of a thread roll |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2367576A1 FR2367576A1 (en) | 1978-05-12 |
FR2367576B1 true FR2367576B1 (en) | 1982-12-10 |
Family
ID=5990225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7716229A Granted FR2367576A1 (en) | 1976-10-12 | 1977-05-20 | Grinding arrangement for chamfering threads - using plastic grinding wheel which gives rounded edges to ground face |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2645913C3 (en) |
FR (1) | FR2367576A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106736890B (en) * | 2016-12-29 | 2018-09-25 | 宿迁学院 | A kind of secondary operation grinding device for die cutter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1855668A (en) * | 1930-07-21 | 1932-04-26 | Roy H Smith | Thread rolling die |
GB646843A (en) * | 1946-01-10 | 1950-11-29 | Lawrence Francis Southwick | Improvements in or relating to tap-grinding fixture |
US2607935A (en) * | 1948-10-09 | 1952-08-26 | English Steel Corp Ltd | Screw threading die and its manufacture |
US3481178A (en) * | 1967-04-10 | 1969-12-02 | Hi Shear Corp | Thread rolling and rolled threaded objects |
US3561297A (en) * | 1967-04-10 | 1971-02-09 | Hi Shear Corp | Method of forming thread rolling die |
DE2046287A1 (en) * | 1970-09-19 | 1972-03-23 | Doerrenberg & Co Praezisionswe | Thread rolling roller |
-
1976
- 1976-10-12 DE DE19762645913 patent/DE2645913C3/en not_active Expired
-
1977
- 1977-05-20 FR FR7716229A patent/FR2367576A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2645913C3 (en) | 1980-09-04 |
FR2367576A1 (en) | 1978-05-12 |
DE2645913A1 (en) | 1978-04-13 |
DE2645913B2 (en) | 1980-01-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |