METHOD OF MAKING SLABS， PLATES AND OTHER ARTICLES FROM PIECES OF BIRCH BARK
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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FIELD: woodworking industry. SUBSTANCE: group of inventions relates to the manufacture of articles made from pieces of birch bark. From pieces of birch bark， outer layer is removed， cut to size correspondingly to area of article， at least partially impregnated with an adhesive composition， then bedding and hardening under pressure to form laminated article processed mechanically. Birch bark dust is added to the adhesive composition as filler. Obtained panels or plates are used as facing material in wet rooms. Obtained prismatic or spherical articles are used as handles. EFFECT: higher strength of produced articles. 11 cl， 1 dwg
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
