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US 5,791,103 AGranted
Pouring buck
AssigneePlyco Corporation
InventorsDavid W. Coolman, Eugene Sawyer
Life of this patent
Estimating the term…
Abstract
The window buck is made of extruded irregular shapes consisting of a combination of cellulose and polymer compounded specifically to be used in connection with building walls of poured concrete. The combination desirably is a mixture of approximately 70% cellulose and approximately 30% polymer. The cellulose is preferably sawdust, and the polymer preferably is polyethylene.
Claims5
A pouring buck comprising:
- at least four sections, each said section having at least two flanges extending outward from an outside surface;
- each said section being fabricated from a material having a combination of cellulose and polymer;
- each said flange having a slot formed therein;
- an insert being inserted into a slot in each said section, said sections being firmly joined together;
- and
- at least one pouring buck being included in a structural wall of poured concrete.
3 more elements
Dependencies are inferred from the claim text.