Concrete panel construction and mold

Details Concrete panel construction and mold Concrete panel construction and mold

1995-01-10

1997-09-16

Warden, Robert J.

Static molds

Including means to adjust mold volume during molding

249111, 249155, 249160, 249165, 249167, 249168, 249170, 249189, 425156, B28B 700

Patent

active

056671920

ABSTRACT:
A mold especially adapted for forming precast, waffle-shaped concrete panels employs a one-piece mold body of flexible plastic sheet material to which rigid side rails are secured by tongue and groove longitudinal joints. The mold may be rapidly stripped and reset due to a hinge action provided by partial sides of the flexible body to which the rigid side rails are joined. The side rails and other structural features provide a simple mold structure that may be readily and efficiently employed for on-site production of panels. The configuration of the side rails and associated joints facilitates the replacement of a wornout mold body. A cover may be placed over the mold body while the concrete cures and automatically lifted therefrom after a predetermined time to allow the concrete to cool. Recess formers and connector covers for the panels are provided for appearance and security.

REFERENCES:
patent: 1598797 (1926-09-01), Wood
patent: 2560783 (1951-07-01), Scott
patent: 3173175 (1965-03-01), Lemelson
patent: 4181286 (1980-01-01), Van Doren
patent: 4817911 (1989-04-01), Infanti

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