SU469591A1 - Plywood manufacturing method - Google Patents
Plywood manufacturing methodInfo
- Publication number
- SU469591A1 SU469591A1 SU1937568A SU1937568A SU469591A1 SU 469591 A1 SU469591 A1 SU 469591A1 SU 1937568 A SU1937568 A SU 1937568A SU 1937568 A SU1937568 A SU 1937568A SU 469591 A1 SU469591 A1 SU 469591A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- plywood manufacturing
- plywood
- spike
- moisture
- hydraulic binder
- Prior art date
Links
Landscapes
- Veneer Processing And Manufacture Of Plywood (AREA)
Description
при влажности, превышающей точку насыщени волокна, и поэтому он не имеет гофристости , в нем почти отсутствуют трещины.when the moisture exceeds the saturation point of the fiber, and therefore it has no corrugation, there are almost no cracks.
Предмет изобретени Subject invention
1. Способ изготовлени фанеры путем набора многослойного пакета из предварительно намазанных св зующим листов щпона с последующим гор чим прессованием, отличающийс тем, что, с целью повыщени сортности фанеры путем использовани щпона меньших толщин, нижний и верхний листы шпона берут с влажностью свыше 30%, нанос т на их внутренние поверхности порошкообразное гидравлическое св зующее, например1. A method of making plywood by assembling a multi-layered stack of pre-coated binder sheets of the spike with subsequent hot pressing, characterized in that, in order to increase the grade of plywood by using a spone of lesser thickness, the lower and upper sheets of veneer are taken with humidity above 30%, a powdered hydraulic binder is applied to their inner surfaces, for example
портландекий цемент, между ними укладывают слой щпона с влажностью не выше 8%, предварительно обработанный гидрофильным составом, например, смесью карбамидного кле с поливинилацетатной эмульсией, а гор чее прессование осуществл ют при 100- 170°С и давлении 15-25 кг/см.portland cement, between them lay a layer of shpon with moisture not higher than 8%, pretreated with hydrophilic composition, for example, a mixture of urea glue with polyvinyl acetate emulsion, and hot pressing is carried out at 100-170 ° C and pressure 15-25 kg / cm.
2.Способ 1ПО 1П. 2, отличающейс тем, что гидравлическое св зующее нанос т на поверхность щпона методом напылени .2. Method 1PO 1P. 2, characterized in that the hydraulic binder is sprayed onto the surface of the spike.
3.Способ по пп. 1, 2, отличающийс тем, что гидравлическое св зующее нанос т на поверхность щпона в количестве 25-100 г/м склеиваемой поверхности из расчета 1 г цемента на 1 % влаги, подлежащей удалению из 1 м шпона наружных слоев фанеры.3. Method according to paragraphs. 1, 2, characterized in that the hydraulic binder is applied to the surface of the spike in an amount of 25-100 g / m of the bonding surface at the rate of 1 g of cement per 1% of moisture to be removed from 1 m of veneer outer plywood layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1937568A SU469591A1 (en) | 1973-07-03 | 1973-07-03 | Plywood manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1937568A SU469591A1 (en) | 1973-07-03 | 1973-07-03 | Plywood manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU469591A1 true SU469591A1 (en) | 1975-05-05 |
Family
ID=20558122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1937568A SU469591A1 (en) | 1973-07-03 | 1973-07-03 | Plywood manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU469591A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4239577A (en) | 1979-04-09 | 1980-12-16 | Champion International Corporation | High moisture wood laminating process |
-
1973
- 1973-07-03 SU SU1937568A patent/SU469591A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4239577A (en) | 1979-04-09 | 1980-12-16 | Champion International Corporation | High moisture wood laminating process |
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