CA936027A - Mine roof bolt assembly - Google Patents

Mine roof bolt assembly

Info

Publication number
CA936027A
CA936027A CA119294A CA119294A CA936027A CA 936027 A CA936027 A CA 936027A CA 119294 A CA119294 A CA 119294A CA 119294 A CA119294 A CA 119294A CA 936027 A CA936027 A CA 936027A
Authority
CA
Canada
Prior art keywords
bolt assembly
mine roof
roof bolt
mine
assembly
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
CA119294A
Other versions
CA119294S (en
Inventor
H. Warner Richard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA119294A priority Critical patent/CA936027A/en
Application granted granted Critical
Publication of CA936027A publication Critical patent/CA936027A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16B13/066—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 fastened by extracting a separate expander-part, actuated by the screw, nail or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CA119294A 1971-07-28 1971-07-28 Mine roof bolt assembly Expired CA936027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA119294A CA936027A (en) 1971-07-28 1971-07-28 Mine roof bolt assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA119294A CA936027A (en) 1971-07-28 1971-07-28 Mine roof bolt assembly

Publications (1)

Publication Number Publication Date
CA936027A true CA936027A (en) 1973-10-30

Family

ID=4090458

Family Applications (1)

Application Number Title Priority Date Filing Date
CA119294A Expired CA936027A (en) 1971-07-28 1971-07-28 Mine roof bolt assembly

Country Status (1)

Country Link
CA (1) CA936027A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753559A (en) * 1984-10-19 1988-06-28 Seneca (St. Catherines) Manufacturing Ltd. Expansion shell
US5087160A (en) * 1988-04-12 1992-02-11 American Mining Supply, Inc. Anchor bolt and expansion shell assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753559A (en) * 1984-10-19 1988-06-28 Seneca (St. Catherines) Manufacturing Ltd. Expansion shell
US5087160A (en) * 1988-04-12 1992-02-11 American Mining Supply, Inc. Anchor bolt and expansion shell assembly

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