Static structures (e.g. – buildings) – Combined
Patent
1977-03-31
1978-10-17
Perham, Alfred C.
Static structures (e.g., buildings)
Combined
52704, 52744, 222 94, E04B 141
Patent
active
041201280
ABSTRACT:
A tubular anchoring member having an interior passage is inserted into an anchoring hole of a support structure. The anchoring member has transverse dimensions smaller than those of the anchoring hole so that a clearance is defined therewith. A ring-shaped cap member surrounds the anchoring member at a trailing end thereof, supports the anchoring member, and closes the open end of the clearance. An aperture formed in the anchoring member communicates the interior passage with the clearance. A guide sleeve is inserted into the interior passage until a closed leading end of the sleeve is located in the vicinity of the aperture. An open trailing end of the sleeve is connected to a collapsible envelope which is subdivided into a plurality of compartments, each containing a different component of a multi-component hardenable binder material. The compartments are brought into communication with each other and, in response to collapsing the envelope, the respective components are intermixed and advanced from the collapsible element through the interior of the guide sleeve to be introduced into the clearance via the aperture. The closed leading end of the guide sleeve is opened by either cutting off such leading end from the remainder of the sleeve or by bursting in response to forces generated during the collapse of the envelope. The intermixed components introduced in the clearance harden therein about the anchoring member and thereby anchor the latter in the anchoring hole.
REFERENCES:
patent: 2023763 (1935-12-01), Hinz
patent: 3248012 (1966-04-01), Adams
patent: 3543966 (1970-12-01), Ryan et al.
patent: 4044512 (1977-08-01), Fischer et al.
Artur Fischer Forschung
Perham Alfred C.
Striker Michael J.
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