Woodworking – Process – Timber harvesting or processing
Patent
1981-05-21
1984-02-21
Bray, W. D.
Woodworking
Process
Timber harvesting or processing
144208B, 144208D, B27L 100
Patent
active
044324030
ABSTRACT:
A procedure and an apparatus for barking timber, wherein the timber is barked by the frictional barking method, and it is pretreated prior to barking in order to render the friction barking more efficient. In the pretreatment the timber is patched, that is partly barked, in that bare patches are produced in the bark of the timber, that is spots from which the bark has been removed, preferably by at least one water jet directed against the bark.
REFERENCES:
patent: 2490165 (1949-12-01), Shaw
patent: 2809683 (1957-10-01), Hoiss
patent: 3272245 (1966-09-01), Dick et al.
Holz (German Journal) Zentralblatt, (1969), Modern Debarkers-Their Technological and Economical Aspects, Holz-Zentralblatt, Stuttgart, 95, 1969, Rah-Und Werkstoff.
Bray W. D.
Kone OY
Smolowitz Martin
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