FR811955A - Perfectionnements aux boulons et autres dispositifs analogues d'ancrage ou de scellement - Google Patents

Perfectionnements aux boulons et autres dispositifs analogues d'ancrage ou de scellement

Info

Publication number
FR811955A
FR811955A FR811955DA FR811955A FR 811955 A FR811955 A FR 811955A FR 811955D A FR811955D A FR 811955DA FR 811955 A FR811955 A FR 811955A
Authority
FR
France
Prior art keywords
bolts
sealing devices
similar anchoring
anchoring
similar
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NAT LEAD CO
NL Industries Inc
Original Assignee
NAT LEAD CO
NL Industries Inc
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.)
Filing date
Publication date
Application filed by NAT LEAD CO, NL Industries Inc filed Critical NAT LEAD CO
Application granted granted Critical
Publication of FR811955A publication Critical patent/FR811955A/fr
Expired legal-status Critical Current

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
    • E21D21/008—Anchoring or tensioning means
    • 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
    • F16B13/08—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 with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0858—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 with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with an expansible sleeve or dowel body driven against a tapered or spherical expander plug

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)
  • Gasket Seals (AREA)
  • Dowels (AREA)
FR811955D 1935-12-20 1936-10-21 Perfectionnements aux boulons et autres dispositifs analogues d'ancrage ou de scellement Expired FR811955A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55320A US2120279A (en) 1935-12-20 1935-12-20 Bolt anchor

Publications (1)

Publication Number Publication Date
FR811955A true FR811955A (fr) 1937-04-27

Family

ID=21997074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811955D Expired FR811955A (fr) 1935-12-20 1936-10-21 Perfectionnements aux boulons et autres dispositifs analogues d'ancrage ou de scellement

Country Status (3)

Country Link
US (1) US2120279A (fr)
FR (1) FR811955A (fr)
GB (1) GB477061A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3730211A1 (de) * 1987-09-09 1989-03-23 Fischer Artur Werke Gmbh Spreizduebel

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139730A (en) * 1955-02-17 1964-07-07 Chester I Williams Rock anchor
US3194106A (en) * 1957-10-31 1965-07-13 Olympic Screw & Rivet Corp Blind rivet assembly
US3381567A (en) * 1966-05-09 1968-05-07 Torque Tension Bolt Company Pr Mine roof bolt
US3716092A (en) * 1970-04-14 1973-02-13 Illinois Tool Works Panel insert and method of installation
DE2828497A1 (de) * 1978-06-29 1980-01-17 Fischer Artur Dr H C Schlagspreizduebel aus metall
US4493344A (en) * 1983-04-13 1985-01-15 Cherne Industries, Inc. Mechanical plug device
DE3445713A1 (de) * 1984-12-14 1986-06-19 Hilti Ag, Schaan Spreizanker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3730211A1 (de) * 1987-09-09 1989-03-23 Fischer Artur Werke Gmbh Spreizduebel

Also Published As

Publication number Publication date
US2120279A (en) 1938-06-14
GB477061A (en) 1937-12-21

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