Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Arched – domed – or vertical-cylindrical structure
Patent
1997-01-31
1999-09-14
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Forming structural installations in situ
Arched, domed, or vertical-cylindrical structure
264 35, 264275, 264278, 264279, E04B 116
Patent
active
059519240
ABSTRACT:
A method of forming an opening in a concrete structure. The method includes providing reinforcement wire for reinforcing the concrete structure. First and second bodies are attached to the reinforcement wire at a selected location so that the first and second bodies are on opposite sides of the reinforcement wire. The concrete structure is formed over the reinforcement wire. The first and second bodies are removed from the concrete structure to expose the opening.
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