Static structures (e.g. – buildings) – Assembled in situ-type anchor or tie – With feature engaging form
Patent
1993-02-01
1995-04-11
Wilson, Neill R.
Static structures (e.g., buildings)
Assembled in situ-type anchor or tie
With feature engaging form
52704, 411 82, E04B 138, E04C 500, F16B 3902
Patent
active
054046890
ABSTRACT:
An anchor bolt sleeve for sliding over an anchor bolt to create a void therearound when concrete is being poured to secure the anchor bolt in the concrete. The sleeve has a one piece hollow body with a generally cylindrical sidewall joined at each end by a respective endwall. An annular boss extends outwardly from each endwall and has a reduced diameter from that of the body sidewall. A second boss extends outwardly from the center of the first boss and has a smaller diameter than the diameter of the first boss. An inner diameter of each of the bosses is sized to correspond to a predetermined outer diameter of a usual anchor bolt. An alternative embodiment provides a hollow sleeve body having rigid end portions joined by an intermediate section with a collapsible corrugated sidewall. The collapsible sidewall defined by a plurality of corrugations which extend horizontally around the section, enables the axial length of the sleeve to be easily adjusted in the field after being mounted on an anchor bolt.
REFERENCES:
patent: 3500607 (1970-03-01), Wilson
patent: 3867804 (1975-02-01), Wilson
patent: 4117643 (1978-10-01), Lamothe
patent: 4989389 (1991-02-01), Maechtle et al.
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