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US 4,226,662 AGranted
Apparatus for treating fibrous boards
AssigneeOwens-Corning Fiberglas Corporation
InventorRalph E. McCort
Life of this patent
Estimating the term…
Abstract
In a method and apparatus for treating a fibrous board, a portion of an edge of the board is cut away, a liquid adhesive is applied to the remaining edge portion, and the liquid is dried to bind the fibers of the remaining edge portion.
Claims4
Apparatus for treating a fibrous board comprising:
- a. means for cutting away a portion of an edge of the board to form a remaining edge portion on the board;
- b. means for applying a facing to said board;
- and,
- c. means for applying a liquid adhesive to the top, side and bottom of said remaining edge portion, said means for applying, comprising a generally block-shaped member having a channel positioned therein for the passage of said remaining edge portion therethrough, said channel having beveled inlet surfaces, a conduit for supplying said liquid adhesive into said channel, and trough-shaped branch conduits adapted to spread said liquid adhesive to all sides of said channel, said branch conduits being positioned in the side, top and bottom, respectively, of said channel.
1 more element
Dependencies are inferred from the claim text.