Static structures (e.g. – buildings) – With adjunctive means for assembly or disassembly – Structure includes tool or opening to provide access for a...
Patent
1976-10-14
1978-06-27
Perham, Alfred C.
Static structures (e.g., buildings)
With adjunctive means for assembly or disassembly
Structure includes tool or opening to provide access for a...
52704, E04B 141, E04C 512
Patent
active
040966720
ABSTRACT:
An anchoring arrangement for securing an object to a support structure having an internal cavity includes an anchoring element which extends through an anchoring hole into the internal cavity and includes a hollow anchoring member having a passage at its leading end and a collar mounted on the trailing end of the anchoring member so as to surround the same, which supports the anchoring element in the anchoring hole and closes the anchoring hole around the anchoring member. A bag-shaped limiting member surrounds at least a portion of the anchoring element and defines a compartment therewith, and hardenable material is introduced into the compartment through the interior of the anchoring member and through the passage to fill the compartment and to harden therein in form of a body of hardened material which attaches the anchoring element to the support structure and prevents an extraction thereof from the anchoring hole. The limiting member may be air-permeable but impermeable to the hardenable material to allow for venting of air present in the compartment, and may be of an elastically, preferably non-isotropically, yieldable material. A shielding element is used for guiding the hardenable material toward the passage and for protecting the interior of the anchoring member from contact with the hardenable material. A valve arrangement may be provided which prevents backflow of the hardenable material from the compartment into the interior of the anchoring member upon the termination of the introduction of the hardenable material into the compartment.
REFERENCES:
patent: 1564947 (1925-12-01), Copeman
patent: 2092341 (1937-09-01), DeVries
patent: 2930199 (1960-03-01), Jarund
patent: 3108404 (1963-10-01), Lamb
patent: 3308585 (1967-03-01), Fischer
patent: 3379019 (1968-04-01), Williams
patent: 3532316 (1970-10-01), Mathes
patent: 3566947 (1971-03-01), Jukes
patent: 4001989 (1977-01-01), Fischer
Fischer Artur
Fischer Klaus
Fisher Artur
Perham Alfred C.
Striker Michael J.
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