Static molds – Miscellaneous mold adjuncts – In situ construction engineering or building type
Patent
1986-03-18
1987-02-03
Woo, Jay H.
Static molds
Miscellaneous mold adjuncts
In situ construction engineering or building type
249 41, 249 42, 249217, E04G 1706
Patent
active
046404902
ABSTRACT:
A compound washer, for use with cylindrical concrete form tie rods having plural spaced flattened portions, that may be positioned by slidable motion along the tie rod and releasably maintained on a particular flattened portion against further lineal displacement. The washer provides a larger truncated conical body that threadedly engages and carries within its forward portion a fastening collar engaged on the flattened portion of a tie rod. The washer provides an elongate shape to create an indentation concrete to allow sub-surface breaking of a tie rod beneath a formed concrete surface.
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Bergman Keith S.
Housel James C.
Woo Jay H.
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