CS152703B1 - - Google Patents
Info
- Publication number
- CS152703B1 CS152703B1 CS165872A CS165872A CS152703B1 CS 152703 B1 CS152703 B1 CS 152703B1 CS 165872 A CS165872 A CS 165872A CS 165872 A CS165872 A CS 165872A CS 152703 B1 CS152703 B1 CS 152703B1
- Authority
- CS
- Czechoslovakia
Links
Classifications
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- 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
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- 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
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS165872A CS152703B1 (cs) | 1972-03-13 | 1972-03-13 | |
| DE19732311935 DE2311935A1 (de) | 1972-03-13 | 1973-03-06 | Klemmschraube und verfahren zu deren herstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS165872A CS152703B1 (cs) | 1972-03-13 | 1972-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS152703B1 true CS152703B1 (cs) | 1974-02-22 |
Family
ID=5351497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS165872A CS152703B1 (cs) | 1972-03-13 | 1972-03-13 |
Country Status (2)
| Country | Link |
|---|---|
| CS (1) | CS152703B1 (cs) |
| DE (1) | DE2311935A1 (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147363U (cs) * | 1978-04-04 | 1979-10-13 | ||
| DE4017726C2 (de) * | 1990-06-01 | 1993-12-16 | Kellermann Fa Rudolf | Befestigungsschraube |
| DE102007032918A1 (de) * | 2007-07-12 | 2009-01-15 | Heppe, Andreas, Dipl.-Ing.Prof. | Aussparungs- bzw. nutgebundene und dadurch an festen Flächen variabel positionierbare modifizierte Ankerschraube |
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1972
- 1972-03-13 CS CS165872A patent/CS152703B1/cs unknown
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1973
- 1973-03-06 DE DE19732311935 patent/DE2311935A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2311935A1 (de) | 1973-09-27 |