Multi-purpose concrete formwork structural member with novel fac

Details Multi-purpose concrete formwork structural member with novel fac Multi-purpose concrete formwork structural member with novel fac

1976-06-21

1978-01-31

Purser, Ernest R.

Static structures (e.g., buildings)

Shaft or openwork, axially extensible

52729, 249 24, E04G 2504

Patent

active

040708454

ABSTRACT:
A multi-purpose, extruded metal, joist-like, structural member which is designed for use in connection with concrete formwork, the member being generally of I-beam configuration and having associated therewith novel facilities whereby its effective length may beextended in small increments or it may be spliced to adjacent similar members by utilizing either lumber or novel extruded metal extension members of special design.

REFERENCES:
patent: 1821020 (1931-09-01), Mensforth
patent: 2851747 (1958-09-01), Rolen
patent: 3221461 (1965-12-01), Grunfeld
patent: 3325957 (1965-06-01), Demeules

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