|5198236||Apparatus for forming structural components from dry wood fiber furnish|
An improved apparatus for dry forming adhesive coated wood fibers in an airstream in a particular mold apparatus. The invention permits the manufacture of a mat of differing cross-sectional shapes but of uniform density. The invention includes the advanta...
|4753713||Apparatus for forming uniform density structural fiberboard|
A sculptured structural fiberboard product is formed using a mold that includes porous forming areas which, in one embodiment, are porous forming mandrels movably mounted on the mold, and liquid impervious thimbles which removably cover the porous areas. ...
|3971689||Method for producing deckle-free edges and windows in molded fiber products|
Apparatus and method for forming deckle-free edges and windows in molded fiber products such as cartons, trays and the like, said apparatus comprising a forming mold equipped with non-porous block-out ridge and/or patch members to define the periphery and...