NL6709891A - - Google Patents
Info
- Publication number
- NL6709891A NL6709891A NL6709891A NL6709891A NL6709891A NL 6709891 A NL6709891 A NL 6709891A NL 6709891 A NL6709891 A NL 6709891A NL 6709891 A NL6709891 A NL 6709891A NL 6709891 A NL6709891 A NL 6709891A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58615866A | 1966-10-12 | 1966-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6709891A true NL6709891A (de) | 1968-04-16 |
| NL149396B NL149396B (nl) | 1976-05-17 |
Family
ID=24344539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676709891A NL149396B (nl) | 1966-10-12 | 1967-07-17 | Stempel. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3471878A (de) |
| BE (1) | BE702191A (de) |
| DE (1) | DE6609541U (de) |
| GB (1) | GB1205802A (de) |
| NL (1) | NL149396B (de) |
| SE (1) | SE380989B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA728229B (en) * | 1972-11-21 | 1974-03-27 | Utility Prod Ltd | Recess in fastening element head and method of making it |
| DK28092D0 (da) * | 1992-03-03 | 1992-03-03 | Enkotec As | Fremgangsmaade og apparat til fremstilling af et hoved paa et aflangt emne |
| CN107321883B (zh) * | 2017-06-26 | 2024-03-29 | 杭州华光焊接新材料股份有限公司 | 一种金属环片制作模具及用该模具制作金属环片的方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2015878A (en) * | 1932-12-12 | 1935-10-01 | Illinois Tool Works | Coupling and driving device |
| US2151776A (en) * | 1938-01-31 | 1939-03-28 | Bristol Company | Method and apparatus for forming metal screw blanks |
| US2180633A (en) * | 1938-07-19 | 1939-11-21 | Clarence G Holt | Screw head |
| US2238960A (en) * | 1938-09-01 | 1941-04-22 | Waterbury Farrel Foundry Co | Method of producing socketed articles |
| US2716759A (en) * | 1951-07-19 | 1955-09-06 | Nat Screw & Mfg Company | Dies for making headed fasteners |
| US2939160A (en) * | 1957-07-19 | 1960-06-07 | Nat Lock Co | Polygonal bolt head forming punch |
| FR1232468A (fr) * | 1959-04-22 | 1960-10-10 | Gobin Daude | Vis |
| US3166769A (en) * | 1962-02-28 | 1965-01-26 | Illinois Tool Works | Method and apparatus for heading a fastener |
| US3176329A (en) * | 1964-01-08 | 1965-04-06 | South Chester Corp | Method of making partially hollow rivets and similar articles |
| US3324491A (en) * | 1965-02-02 | 1967-06-13 | Illinois Tool Works | Method and apparatus for heading rotary fasteners |
-
1966
- 1966-10-12 US US586158A patent/US3471878A/en not_active Expired - Lifetime
-
1967
- 1967-06-22 SE SE6708981A patent/SE380989B/xx unknown
- 1967-07-17 NL NL676709891A patent/NL149396B/xx unknown
- 1967-08-02 BE BE702191D patent/BE702191A/xx unknown
- 1967-10-09 DE DE6609541U patent/DE6609541U/de not_active Expired
- 1967-10-12 GB GB46526/67A patent/GB1205802A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3471878A (en) | 1969-10-14 |
| DE6609541U (de) | 1972-06-29 |
| BE702191A (de) | 1968-02-02 |
| NL149396B (nl) | 1976-05-17 |
| SE380989B (sv) | 1975-11-24 |
| GB1205802A (en) | 1970-09-16 |