US1587317A - Expansion plug - Google Patents
Expansion plug Download PDFInfo
- Publication number
- US1587317A US1587317A US22751A US2275125A US1587317A US 1587317 A US1587317 A US 1587317A US 22751 A US22751 A US 22751A US 2275125 A US2275125 A US 2275125A US 1587317 A US1587317 A US 1587317A
- Authority
- US
- United States
- Prior art keywords
- expansion plug
- plug
- expansion
- 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 - Lifetime
Links
Images
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
- F16B13/12—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like
- F16B13/126—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like fastened by inserting an unthreaded element, e.g. pin or nail
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22751A US1587317A (en) | 1925-04-13 | 1925-04-13 | Expansion plug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22751A US1587317A (en) | 1925-04-13 | 1925-04-13 | Expansion plug |
Publications (1)
Publication Number | Publication Date |
---|---|
US1587317A true US1587317A (en) | 1926-06-01 |
Family
ID=21811245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US22751A Expired - Lifetime US1587317A (en) | 1925-04-13 | 1925-04-13 | Expansion plug |
Country Status (1)
Country | Link |
---|---|
US (1) | US1587317A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2813449A (en) * | 1950-04-05 | 1957-11-19 | Joy Mfg Co | Explosively actuated expanding mine roof fastener |
US4183239A (en) * | 1977-09-14 | 1980-01-15 | Potomac Applied Mechanics, Inc. | Two-piece fastener air hammer |
-
1925
- 1925-04-13 US US22751A patent/US1587317A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2813449A (en) * | 1950-04-05 | 1957-11-19 | Joy Mfg Co | Explosively actuated expanding mine roof fastener |
US4183239A (en) * | 1977-09-14 | 1980-01-15 | Potomac Applied Mechanics, Inc. | Two-piece fastener air hammer |
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