METHOD TO PRODUCE WOODEN BUSHINGS Russian patent published in 1994 - IPC

Abstract RU 2021893 C1

FIELD: production of bushings of compacted wood with end working surface. SUBSTANCE: right-angled wooden bars are pressed, sawed into two equal pieces with lateral section in the form of rectangular trapezium. Glue is applied on mate surfaces of the wooden pieces and they are assembled into regular octahedral prism. The prism is placed in clamping device. Dried prism is turned on inner and outer surfaces to produce a bushing of proper size. EFFECT: uniform density across thickness of bushing wall. 3 dwg

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RU 2 021 893 C1

Authors

Smol'Jakov A.I.

Galavorjan R.A.

Vinnik N.I.

Dates

1994-10-30—Published

1991-06-03—Filed