BE354385A - - Google Patents
Info
- Publication number
- BE354385A BE354385A BE354385DA BE354385A BE 354385 A BE354385 A BE 354385A BE 354385D A BE354385D A BE 354385DA BE 354385 A BE354385 A BE 354385A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2508527A GB301580A (en) | 1927-09-23 | 1927-09-23 | Improvements in and relating to screw heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE354385A true BE354385A (en:Method) |
Family
ID=10221946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE354385D BE354385A (en:Method) | 1927-09-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE354385A (en:Method) |
| FR (1) | FR660859A (en:Method) |
| GB (1) | GB301580A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2098693B (en) * | 1981-03-30 | 1984-09-12 | Isotech Consultants Inc | Screw driving socket and a punch for forming the socket |
| CN103790916A (zh) * | 2014-02-20 | 2014-05-14 | 陈文丽 | 一种螺丝 |
-
0
- BE BE354385D patent/BE354385A/xx unknown
-
1927
- 1927-09-23 GB GB2508527A patent/GB301580A/en not_active Expired
-
1928
- 1928-09-22 FR FR660859D patent/FR660859A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB301580A (en) | 1928-12-06 |
| FR660859A (fr) | 1929-07-18 |