Removable, collapsible bulkhead assembly

Details Removable, collapsible bulkhead assembly Removable, collapsible bulkhead assembly

1988-04-11

1988-11-22

Woo, Jay H.

Static molds

In situ construction engineering type or building type-mold...

Forming road, side walk, or curb in situ

249 84, 249112, 249131, 2492191, 404 48, 404 74, 404 87, E01C 1950

Patent

active

047860260

ABSTRACT:
A collapsible concrete bulkhead is insertable into a framework. The bulkhead has a pivotable divider plate which is located juxtaposition to a bulkhead plate and moves laterally thereof to reside in an offset base portion of the framework. The bulkhead assembly forms separate concrete sections when concrete is poured into the framework and forms a gap when the bulkhead assembly is removed. Optionally, a liner can be inserted adjacent to the bulkhead assembly and the bulkhead assembly removed before full cure of the concrete so that the concrete fills the void left by the bulkhead with the liner separating the concrete sections.

REFERENCES:
patent: 1037907 (1912-09-01), Heltzel
patent: 1124327 (1915-01-01), Park
patent: 1644584 (1927-10-01), Heltzel
patent: 1803719 (1931-05-01), Miller
patent: 2359214 (1944-09-01), George
patent: 2610381 (1952-09-01), Rosati et al.
patent: 2626444 (1953-01-01), Wolf et al.
patent: 3069138 (1962-12-01), Darby
patent: 3823910 (1974-07-01), Crosier
patent: 4266750 (1981-05-01), Gallizia
patent: 4533111 (1985-08-01), Cousin

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