Concrete form structure

Details Concrete form structure Concrete form structure

1978-11-16

1980-07-08

Arnold, Donald J.

Static molds

Mold element

In situ construction engineering or building type

249 38, 249 43, 249 44, 249 45, E04G 1108

Patent

active

042113857

ABSTRACT:
The specification discloses concrete forms each including a plurality of rectangular panels secured edgewise together by connectors. Each connector includes a pair of half sleeves secured in a pair of grooves in the edges of the panels, and a cupped head of a connector sleeve wedges the half sleeves together to hold the panels in edgewise abutment. A nut screwed on the connector sleeve draws the cupped head into wedging engagement with the half sleeves. Tie rods extend through the connector sleeves. The panels include wood framing having plywood faces and filled with foamed plastic.

REFERENCES:
patent: 2014080 (1935-09-01), Colt
patent: 2526529 (1950-10-01), Arrighini et al.
patent: 3123887 (1964-03-01), Boettner
patent: 3141224 (1964-07-01), Gates
patent: 3385555 (1968-05-01), Williams
patent: 3438161 (1969-04-01), Koch
patent: 3687411 (1972-08-01), Frazier
patent: 3767158 (1973-10-01), Mikus
patent: 4030694 (1977-06-01), Schimmel

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