Method and apparatus for flattening wood based panels

Details Method and apparatus for flattening wood based panels Method and apparatus for flattening wood based panels

1979-02-08

1981-08-18

Simmons, David A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428172, B32B 328

Patent

active

042846765

ABSTRACT:
This invention relates to a method and an apparatus for flattening wood based panels such as plywood, flake board or fiber board panels, which have an undesirable curvature, due to an imbalanced construction, or due to a certain production process. In particular this invention relates to the flattening of a panel as described in U.S. Pat. No. 3,878,017.

REFERENCES:
patent: 1426028 (1922-08-01), Wright
patent: 1809681 (1931-09-01), Elmendorf
patent: 2695857 (1954-11-01), Lewis et al.
patent: 2708296 (1955-05-01), Soehner
patent: 2830004 (1958-04-01), Lyons

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