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
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL102769C publication Critical patent/NL102769C/xx

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)
NL102769D 1957-04-19 NL102769C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR3025742X 1957-04-19

Publications (1)

Publication Number Publication Date
NL102769C true NL102769C (xx)

Family

ID=9691049

Family Applications (2)

Application Number Title Priority Date Filing Date
NL226416D NL226416A (xx) 1957-04-19
NL102769D NL102769C (xx) 1957-04-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL226416D NL226416A (xx) 1957-04-19

Country Status (5)

Country Link
US (1) US3025742A (xx)
BE (1) BE566098A (xx)
DE (1) DE1107170B (xx)
LU (1) LU36003A1 (xx)
NL (2) NL102769C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US529742A (en) * 1894-11-27 Nut-lock
CA515957A (en) * 1955-08-23 B. Dempsey Joseph Mine roof bolt
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

Also Published As

Publication number Publication date
BE566098A (xx)
NL226416A (xx)
LU36003A1 (xx)
DE1107170B (de) 1961-05-25
US3025742A (en) 1962-03-20

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