METHOD FOR COMPRESSIVE SHAPE-DRYING OF WOOD
The invention is related to a method and apparatus for compressive shape-drying of wood (1). In the first phase of the method, green wood is compressed to a desired shape simultaneously heating the wood. According to the invention, during the first phase the wood (1) is compressed against gas-permea...
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| creator | KONTINEN, PAAVO VIITANIEMI, PERTTI |
| description | The invention is related to a method and apparatus for compressive shape-drying of wood (1). In the first phase of the method, green wood is compressed to a desired shape simultaneously heating the wood. According to the invention, during the first phase the wood (1) is compressed against gas-permeable surfaces (3, 4) rapidly to a desired and thickness, during the second phase of the compression process, the compression pressure is lowered to a level causing a thickness reduction equal to or greater than the thickness reduction caused by the drying of the wood, and the internal temperature of the wood is lowered with the progress of the compression process.
L'invention concerne un procédé et un dispositif permettant le séchage et la compression pour la mise en forme du bois (1). Dans la première phase dudit procédé, on comprime le bois vert pour lui donner une forme désirée et, simultanément, on le chauffe. Selon l'invention, pendant la première phase de compression, le bois (1) est comprimé entre deux surfaces perméables au gaz (3, 4), rapidement, jusqu'à ce qu'il atteigne une épaisseur finale désirée, et, pendant la seconde phase de compression, la pression de compression est abaissée à un niveau tel que la réduction de l'épaisseur est égale ou supérieure à la réduction de l'épaisseur due au séchage du bois, et la température interne du bois est abaissée au fur et à mesure de l'avancement du processus de compression. |
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L'invention concerne un procédé et un dispositif permettant le séchage et la compression pour la mise en forme du bois (1). Dans la première phase dudit procédé, on comprime le bois vert pour lui donner une forme désirée et, simultanément, on le chauffe. Selon l'invention, pendant la première phase de compression, le bois (1) est comprimé entre deux surfaces perméables au gaz (3, 4), rapidement, jusqu'à ce qu'il atteigne une épaisseur finale désirée, et, pendant la seconde phase de compression, la pression de compression est abaissée à un niveau tel que la réduction de l'épaisseur est égale ou supérieure à la réduction de l'épaisseur due au séchage du bois, et la température interne du bois est abaissée au fur et à mesure de l'avancement du processus de compression.</description><edition>5</edition><language>eng ; fre</language><subject>BLASTING ; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS ; DRYING ; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM ; HEATING ; LIGHTING ; MANUFACTURE OF SPECIFIC WOODEN ARTICLES ; MECHANICAL ENGINEERING ; NAILING OR STAPLING MACHINES IN GENERAL ; PERFORMING OPERATIONS ; PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR ; TRANSPORTING ; WEAPONS ; WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L ; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL</subject><creationdate>1994</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941124&DB=EPODOC&CC=WO&NR=9426485A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941124&DB=EPODOC&CC=WO&NR=9426485A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KONTINEN, PAAVO</creatorcontrib><creatorcontrib>VIITANIEMI, PERTTI</creatorcontrib><title>METHOD FOR COMPRESSIVE SHAPE-DRYING OF WOOD</title><description>The invention is related to a method and apparatus for compressive shape-drying of wood (1). In the first phase of the method, green wood is compressed to a desired shape simultaneously heating the wood. According to the invention, during the first phase the wood (1) is compressed against gas-permeable surfaces (3, 4) rapidly to a desired and thickness, during the second phase of the compression process, the compression pressure is lowered to a level causing a thickness reduction equal to or greater than the thickness reduction caused by the drying of the wood, and the internal temperature of the wood is lowered with the progress of the compression process.
L'invention concerne un procédé et un dispositif permettant le séchage et la compression pour la mise en forme du bois (1). Dans la première phase dudit procédé, on comprime le bois vert pour lui donner une forme désirée et, simultanément, on le chauffe. Selon l'invention, pendant la première phase de compression, le bois (1) est comprimé entre deux surfaces perméables au gaz (3, 4), rapidement, jusqu'à ce qu'il atteigne une épaisseur finale désirée, et, pendant la seconde phase de compression, la pression de compression est abaissée à un niveau tel que la réduction de l'épaisseur est égale ou supérieure à la réduction de l'épaisseur due au séchage du bois, et la température interne du bois est abaissée au fur et à mesure de l'avancement du processus de compression.</description><subject>BLASTING</subject><subject>CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS</subject><subject>DRYING</subject><subject>DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MANUFACTURE OF SPECIFIC WOODEN ARTICLES</subject><subject>MECHANICAL ENGINEERING</subject><subject>NAILING OR STAPLING MACHINES IN GENERAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><subject>WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L</subject><subject>WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND2dQ3x8HdRcPMPUnD29w0Icg0O9gxzVQj2cAxw1XUJivT0c1fwd1MI9_d34WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8eH-liZGZiYWpo6GxkQoAQA0TyS5</recordid><startdate>19941124</startdate><enddate>19941124</enddate><creator>KONTINEN, PAAVO</creator><creator>VIITANIEMI, PERTTI</creator><scope>EVB</scope></search><sort><creationdate>19941124</creationdate><title>METHOD FOR COMPRESSIVE SHAPE-DRYING OF WOOD</title><author>KONTINEN, PAAVO ; VIITANIEMI, PERTTI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO9426485A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1994</creationdate><topic>BLASTING</topic><topic>CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS</topic><topic>DRYING</topic><topic>DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MANUFACTURE OF SPECIFIC WOODEN ARTICLES</topic><topic>MECHANICAL ENGINEERING</topic><topic>NAILING OR STAPLING MACHINES IN GENERAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><topic>WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L</topic><topic>WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>KONTINEN, PAAVO</creatorcontrib><creatorcontrib>VIITANIEMI, PERTTI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KONTINEN, PAAVO</au><au>VIITANIEMI, PERTTI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR COMPRESSIVE SHAPE-DRYING OF WOOD</title><date>1994-11-24</date><risdate>1994</risdate><abstract>The invention is related to a method and apparatus for compressive shape-drying of wood (1). In the first phase of the method, green wood is compressed to a desired shape simultaneously heating the wood. According to the invention, during the first phase the wood (1) is compressed against gas-permeable surfaces (3, 4) rapidly to a desired and thickness, during the second phase of the compression process, the compression pressure is lowered to a level causing a thickness reduction equal to or greater than the thickness reduction caused by the drying of the wood, and the internal temperature of the wood is lowered with the progress of the compression process.
L'invention concerne un procédé et un dispositif permettant le séchage et la compression pour la mise en forme du bois (1). Dans la première phase dudit procédé, on comprime le bois vert pour lui donner une forme désirée et, simultanément, on le chauffe. Selon l'invention, pendant la première phase de compression, le bois (1) est comprimé entre deux surfaces perméables au gaz (3, 4), rapidement, jusqu'à ce qu'il atteigne une épaisseur finale désirée, et, pendant la seconde phase de compression, la pression de compression est abaissée à un niveau tel que la réduction de l'épaisseur est égale ou supérieure à la réduction de l'épaisseur due au séchage du bois, et la température interne du bois est abaissée au fur et à mesure de l'avancement du processus de compression.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM HEATING LIGHTING MANUFACTURE OF SPECIFIC WOODEN ARTICLES MECHANICAL ENGINEERING NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR TRANSPORTING WEAPONS WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL |
| title | METHOD FOR COMPRESSIVE SHAPE-DRYING OF WOOD |
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