EXPANDABLE PLUGS
United States Patent 3516324
US Patent References:
Expansion anchor assembly
- - 3279301
Combination spacer anchor having a frangible head portion
- - 3094892
Expansion bolt arrangement
- - 3171321
Anchoring socket for screw type fasteners
- - 3213746
Plastic screw anchor
- - 3232163
Expansion anchor assembly
- - 3279301
Combination spacer anchor having a frangible head portion
- - 3094892
Expansion bolt arrangement
- - 3171321
Anchoring socket for screw type fasteners
- - 3213746
Plastic screw anchor
- - 3232163
Inventors:
Berner, Albert
Publication Date:
06/23/1970
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Export Citation:
Assignee:
Berner, Albert
Primary Class:
Other Classes:
411/80.500
International Classes:
F16B13/02; F16B13/12; F16B13/00; F16B13/12
US Patent References:
| 3269251 | Threaded inserts with sliding segmental securing means |
Foreign References:
| NL6505993A | ||||
| FR1332253A | ||||
| BE652838A | ||||
| FR1458166A | ||||
| DE805795C |