FIELD: wood working industry. SUBSTANCE: device has a pressure source in the form of a plate of press 1, punch 2, matrix 3 with core 4 and spacing partition 7, electric heater 5. Spacing partition 7 is made of board impregnated with binder and is laterally corrugated in order to prepare moulding materials, partition 7 being fixed. EFFECT: enhanced efficiency. 1 dwg
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0 |
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Authors
Dates
1995-01-20—Published
1992-07-28—Filed