Manufacture of hog fuel board

Details Manufacture of hog fuel board Manufacture of hog fuel board

1996-06-28

1998-03-10

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264115, 264124, B29C 4302

Patent

active

057258180

ABSTRACT:
A hog fuel board is made by placing a hog fuel matrix with flexible non-sticking layers on outside surfaces between screens in a preheated platen press and pressing the matrix to preset stops and for a predetermined time and pressure to cause adhesives naturally present in the hog fuel to disperse throughout the board. The process requires heating platens higher than used for particle board but avoids using a vacuum press. There is also supplied a hog fuel veneer board with a hog fuel matrix sandwiched between veneer sheets and a lumber product with a hog fuel coating thereon.

REFERENCES:
patent: Re24174 (1956-07-01), Heritage
patent: 2757114 (1956-07-01), Roberts
patent: 3224925 (1965-12-01), Brandts et al.
patent: 3887415 (1975-06-01), Elmendorf et al.
patent: 5017319 (1991-05-01), Shen
patent: 5021122 (1991-06-01), Desrochers et al.
S. Chow; Bark Boards Without Synthetic Resins; Forest Products Journal; Nov. 1975; vol. 25, No. 11; pp. 32-37.

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