NL102769C - - Google Patents
Info
- Publication number
- NL102769C NL102769C NL102769DA NL102769C NL 102769 C NL102769 C NL 102769C NL 102769D A NL102769D A NL 102769DA NL 102769 C NL102769 C NL 102769C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
-
- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Dowels (AREA)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR3025742X | 1957-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL102769C true NL102769C (me) |
Family
ID=9691049
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL226416D NL226416A (me) | 1957-04-19 | ||
NL102769D NL102769C (me) | 1957-04-19 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL226416D NL226416A (me) | 1957-04-19 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3025742A (me) |
BE (1) | BE566098A (me) |
DE (1) | DE1107170B (me) |
LU (1) | LU36003A1 (me) |
NL (2) | NL102769C (me) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683741A (en) * | 1970-04-06 | 1972-08-15 | George H Pete | Mine roof expansion shell assembly |
US4132080A (en) * | 1977-11-07 | 1979-01-02 | Stratabolt Corporation | Resin anchored rock or mine roof bolt anchor mechanism |
CN105840610B (zh) * | 2016-05-11 | 2017-11-07 | 国家电网公司 | 一种膨胀螺栓及其扩孔工具 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA515957A (en) * | 1955-08-23 | B. Dempsey Joseph | Mine roof bolt | |
US529742A (en) * | 1894-11-27 | Nut-lock | ||
US1033447A (en) * | 1912-02-08 | 1912-07-23 | Herbert W Mower | Expansion-bolt. |
US1420532A (en) * | 1920-11-09 | 1922-06-20 | John F Pennewell | Pipe grip |
US1960405A (en) * | 1932-05-20 | 1934-05-29 | Amor George William | Connection or coupling for tubular bodies |
US2028328A (en) * | 1933-08-18 | 1936-01-21 | Bassick Co | Expansion insert or caster socket for tubular legs or the like |
US2207009A (en) * | 1937-07-03 | 1940-07-09 | Hubbard & Co | Fastening or anchoring means for insulator supporting pins |
US2241343A (en) * | 1940-04-04 | 1941-05-06 | Fleaca John | Expansion shell for machine bolts |
GB754482A (en) * | 1953-04-28 | 1956-08-08 | Anciens Ets Lissments Goldenbe | Improvements in and relating to bolt and like anchoring devices |
US2774273A (en) * | 1953-09-30 | 1956-12-18 | Henry N Olson | Anchor bolt having wedge shaped expander member secured thereto |
-
0
- NL NL226416D patent/NL226416A/xx unknown
- LU LU36003D patent/LU36003A1/xx unknown
- BE BE566098D patent/BE566098A/xx unknown
- NL NL102769D patent/NL102769C/xx active
-
1958
- 1958-04-01 DE DEA29170A patent/DE1107170B/de active Pending
- 1958-04-02 US US725838A patent/US3025742A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
LU36003A1 (me) | |
DE1107170B (de) | 1961-05-25 |
US3025742A (en) | 1962-03-20 |
NL226416A (me) | |
BE566098A (me) |