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US 5,513,444 AGranted
Method and device for drying of timber
OwnerAnna-Karin Lindberginventor
Life of this patent
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OwnerAnna-Karin Lindberginventor
Estimating the term…
A device for drying timber in the form of elongated wood pieces, such as boards or planks, comprises one or more drying rooms and means for introducing dry in-take air into the drying room and evacuate more moist exhaust air therefrom. Several sets of spacing elements are arranged in an individual drying room, said elements being spaced from each other and delimiting a plurality of separate compartments in the drying room. The spacing elements are movable, for instance rotatable, so as to be adjustable between a first position, in which the width of the individual compartment is larger than the thickness of the wood pieces to enable unobstructed in-feed thereof into the compartment, and a second position, in which the width of the compartment has been reduced so far that the spacing elements in two adjacent sets contact and clamp the wood pieces so as to counteract deformation thereof during drying.
A method for drying timber, comprising treatment of elongated wood pieces, with dry warm air during storage thereof in a drying room (2, 3) and maintaining individual wood pieces (14) having a thickness, a length, and a width, separated from each other during the drying by means of upright, vertical, spacing elements (16, 16') engaged within the drying room for repeated use without replacement, characterized in that the wood pieces (14) are fed edgewise down into upright, vertically directed, compartments (17) having a width defined by the spacing elements (16, 16') by means of a conveyor (10), present above each compartment of the compartments so as to form a layer of said wood pieces perpendicular to a base of said drying room in each said compartment, said layer comprising the wood pieces abutting each other along longitudinal edges thereof.
A device for drying timber in the form of elongated wood pieces, comprising one or several drying rooms, (2, 3) and means (4, 5) to introduce relatively dry and warm intake air into the drying rooms and evacuate more moist and colder exhaust air out therefrom, several sets of elongated, upright, vertical spacing elements (16, 16') being engaged within each drying room of said drying rooms (2, 3) for repeated use without replacement, said sets being separated relative to each other and said spacing elements defining a plurality of separate compartments (17) in the drying rooms, characterized in that the spacing elements (16, 16') define upright, vertical, compartments (17), above which a conveyor (10) for feeding the wood pieces to each compartment of said compartments is arranged so as to form a layer of said wood pieces perpendicular to a base of said drying rooms, said layer comprising the wood pieces abutting each other along longitudinal edges thereof.
Dependencies are inferred from the claim text.