CA618343A - Mine roof bolt - Google Patents
Mine roof boltInfo
- Publication number
- CA618343A CA618343A CA618343A CA618343DA CA618343A CA 618343 A CA618343 A CA 618343A CA 618343 A CA618343 A CA 618343A CA 618343D A CA618343D A CA 618343DA CA 618343 A CA618343 A CA 618343A
- Authority
- CA
- Canada
- Prior art keywords
- mine roof
- roof bolt
- bolt
- mine
- roof
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA618343T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA618343A true CA618343A (en) | 1961-04-18 |
Family
ID=35860633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA618343A Expired CA618343A (en) | Mine roof bolt |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA618343A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087160A (en) * | 1988-04-12 | 1992-02-11 | American Mining Supply, Inc. | Anchor bolt and expansion shell assembly |
-
0
- CA CA618343A patent/CA618343A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087160A (en) * | 1988-04-12 | 1992-02-11 | American Mining Supply, Inc. | Anchor bolt and expansion shell assembly |
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