JPS4922253B1 - - Google Patents

Info

Publication number
JPS4922253B1
JPS4922253B1 JP43014684A JP1468468A JPS4922253B1 JP S4922253 B1 JPS4922253 B1 JP S4922253B1 JP 43014684 A JP43014684 A JP 43014684A JP 1468468 A JP1468468 A JP 1468468A JP S4922253 B1 JPS4922253 B1 JP S4922253B1
Authority
JP
Japan
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.)
Pending
Application number
JP43014684A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4922253B1 publication Critical patent/JPS4922253B1/ja
Pending 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
    • E21D21/0086—Bearing plates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/918—Threadless nut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955—Locked bolthead or nut
    • Y10S411/956—Automatic base clutch
    • Y10S411/96—Friction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Dowels (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
JP43014684A 1967-03-08 1968-03-08 Pending JPS4922253B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA671331 1967-03-08

Publications (1)

Publication Number Publication Date
JPS4922253B1 true JPS4922253B1 (en) 1974-06-07

Family

ID=25561071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43014684A Pending JPS4922253B1 (en) 1967-03-08 1968-03-08

Country Status (4)

Country Link
US (1) US3464308A (en)
JP (1) JPS4922253B1 (en)
FR (1) FR1556669A (en)
GB (1) GB1192694A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873134A (en) * 1973-01-04 1975-03-25 Michael Sammaritano Apparatus for joining preformed conduits
DE3618486C1 (en) * 1985-07-19 1987-08-06 United Carr Gmbh Trw Plastic part for holding a threaded bolt
FR2641295B1 (en) * 1989-01-03 1991-12-13 Flourens Bruno METHOD AND DEVICE FOR ANCHORING THE SUPPORT SCALES OF AN ARMORED WALL
WO1995028572A1 (en) * 1994-04-13 1995-10-26 John Prosper Cullen Threaded device
AUPM722194A0 (en) * 1994-08-02 1994-08-25 Ani Corporation Limited, The Bearer plate
JPH08105413A (en) * 1994-10-05 1996-04-23 Alpine Electron Inc Structure for threadably attaching male screw to plate
DE10038615A1 (en) * 2000-08-08 2002-02-21 Fischer Artur Werke Gmbh expansion anchor
US6682268B2 (en) * 2000-09-01 2004-01-27 Earl Products, Inc. Method and apparatus for secondary roof support in an underground mine
US6705813B2 (en) * 2002-02-07 2004-03-16 Pierre P. Schwab Snap disc device
CA2431351C (en) * 2002-06-07 2008-01-22 Jennmar Corporation Square embossed roof and rib plate
FR2892474B1 (en) * 2005-10-26 2007-12-28 Legris Sa NON-AGGRESSIVE ANCHOR WASHER
NO20082012L (en) * 2008-04-28 2009-10-29 Dynamic Rock Support As Surface mounting plate for rock bolt.
CH708809B1 (en) * 2013-11-01 2018-03-29 Geobrugg Ag Protective net installation, in particular for a slope protection, with a protective net, as well as an associated claw plate.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2383164A (en) * 1944-02-24 1945-08-21 Grote Mfg Company Mechanical nut
US2748594A (en) * 1952-11-04 1956-06-05 Lukens Steel Co Roof bolt
US2754717A (en) * 1953-02-11 1956-07-17 United Carr Fastener Corp Resilient, threadless sheet metal fastener for use with threadless studs
US2822712A (en) * 1954-07-06 1958-02-11 Tinnerman Products Inc Fastening device
US3215024A (en) * 1957-07-11 1965-11-02 Huck Mfg Co Fastener
US3226934A (en) * 1961-05-16 1966-01-04 C I M Consultants Ltd Rock bolts

Also Published As

Publication number Publication date
FR1556669A (en) 1969-02-07
US3464308A (en) 1969-09-02
GB1192694A (en) 1970-05-20

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