CS234002B2 - Šroub s klenutou hákovou hlavou - Google Patents
Šroub s klenutou hákovou hlavou Download PDFInfo
- Publication number
- CS234002B2 CS234002B2 CS725264A CS526472A CS234002B2 CS 234002 B2 CS234002 B2 CS 234002B2 CS 725264 A CS725264 A CS 725264A CS 526472 A CS526472 A CS 526472A CS 234002 B2 CS234002 B2 CS 234002B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- head
- screw
- shaft
- nose
- transition
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
-
- 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)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Connection Of Plates (AREA)
- Body Structure For Vehicles (AREA)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712142547 DE2142547C (de) | 1971-08-25 | Hakenkopfschraube zur Verbindung der sich überlappenden Enden von rinnenförmigen Ausbauprofilen, insbesondere des Streckenausbaus unter Tage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS234002B2 true CS234002B2 (cs) | 1985-03-14 |
Family
ID=5817735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS725264A CS234002B2 (cs) | 1971-08-25 | 1972-07-25 | Šroub s klenutou hákovou hlavou |
Country Status (5)
| Country | Link |
|---|---|
| CS (1) | CS234002B2 (pl) |
| DE (1) | DE2142547B1 (pl) |
| PL (1) | PL76032B1 (pl) |
| SU (1) | SU615874A3 (pl) |
| YU (1) | YU33991B (pl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2711818C3 (de) * | 1977-03-18 | 1981-07-16 | Ruhrkohle Ag, 4300 Essen | Spannverbindung für ineinandergelegte Enden aneinander anschließender Rinnenprofile von strählernen Streckenausbaurahmen |
| DE3504319C1 (de) * | 1985-02-08 | 1985-09-05 | Hoesch Ag, 4600 Dortmund | Hakenkopfschraube fuer die Klemmlaschenverbindung von Rinnenprofilsegmenten |
-
1971
- 1971-08-25 DE DE19712142547D patent/DE2142547B1/de active Pending
-
1972
- 1972-07-20 YU YU1891/72A patent/YU33991B/xx unknown
- 1972-07-25 CS CS725264A patent/CS234002B2/cs unknown
- 1972-08-16 SU SU721822576A patent/SU615874A3/ru active
- 1972-08-23 PL PL1972157415A patent/PL76032B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL76032B1 (pl) | 1975-02-28 |
| YU33991B (en) | 1978-09-08 |
| SU615874A3 (ru) | 1978-07-15 |
| DE2142547B1 (de) | 1972-07-06 |
| YU189172A (en) | 1978-02-28 |
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