Method for sealing and stripping a concrete form

Details Method for sealing and stripping a concrete form Method for sealing and stripping a concrete form

1972-08-14

1976-02-17

Husar, Francis S.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

249 66A, 264335, 425437, B28B 2190

Patent

active

039392341

ABSTRACT:
A device for sealing the air hole in a concrete form while concrete is poured over the form, including a cap of resilient material having a dome-like top and a cruciform shaft extending from the concave side of the top for reception in the air hole of the form. When the dome is pressed down to form a dimple therein, the fact that the dimple remains indicates that the shaft is firmly seated in the air hole.

REFERENCES:
patent: 3151374 (1964-10-01), Kersten
patent: 3374983 (1968-03-01), Garretson et al.

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