Coating of rigid wood products with thermoplastic polymer
The invention concerns a coating apparatus for coating inflexible board type and predominantly wooden products (1) with a thermoplastic polymer. The coating apparatus comprises an extrusion die (9), which delivers a thermoplastic polymer (T) as a molten coating film (4) onto a product top surface (5...
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| creator | SMAATT, RAUNO SAINIO, MARKKU SOKKA, KASPERI LAIHO, ERKKI LINDSTROEM, HELGE SALMIKUUKKA, TIMO EKMAN, JUSSI HOLMA, PEKKA |
| description | The invention concerns a coating apparatus for coating inflexible board type and predominantly wooden products (1) with a thermoplastic polymer. The coating apparatus comprises an extrusion die (9), which delivers a thermoplastic polymer (T) as a molten coating film (4) onto a product top surface (5y) of the product across a line pressure point (13) at a distance (Q) from the line pressure point, and supporting rolls (18a) and/or supporting rollers (18b) and/or one or more flat blocks (19) establishing a supporting platform (K), as well as a cooling section (15). The cooling section comprises a press belt (3) extending around rolls (20y and 12 or 11 and 12) set at a distance (L2) from each other and running co-directionally with the coatable product's length (L1); and between the rolls at least one cooling block (8) and/or press rolls (18) or press rollers (19), as well as compression elements (17) which are adapted to push at least some of the press rolls or the press rollers or the cooling blocks towards the supporting platform (K) with such a force (F) which generates with the press belt a pressure load (P) between the coating film (4) and the product top surface (5y), thus sustaining their mutual surface contact. |
| format | Patent |
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The coating apparatus comprises an extrusion die (9), which delivers a thermoplastic polymer (T) as a molten coating film (4) onto a product top surface (5y) of the product across a line pressure point (13) at a distance (Q) from the line pressure point, and supporting rolls (18a) and/or supporting rollers (18b) and/or one or more flat blocks (19) establishing a supporting platform (K), as well as a cooling section (15). The cooling section comprises a press belt (3) extending around rolls (20y and 12 or 11 and 12) set at a distance (L2) from each other and running co-directionally with the coatable product's length (L1); and between the rolls at least one cooling block (8) and/or press rolls (18) or press rollers (19), as well as compression elements (17) which are adapted to push at least some of the press rolls or the press rollers or the cooling blocks towards the supporting platform (K) with such a force (F) which generates with the press belt a pressure load (P) between the coating film (4) and the product top surface (5y), thus sustaining their mutual surface contact.</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; PERFORMING OPERATIONS ; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; SPRAYING OR ATOMISING IN GENERAL ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2011</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=20110824&DB=EPODOC&CC=EP&NR=2360016A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110824&DB=EPODOC&CC=EP&NR=2360016A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SMAATT, RAUNO</creatorcontrib><creatorcontrib>SAINIO, MARKKU</creatorcontrib><creatorcontrib>SOKKA, KASPERI</creatorcontrib><creatorcontrib>LAIHO, ERKKI</creatorcontrib><creatorcontrib>LINDSTROEM, HELGE</creatorcontrib><creatorcontrib>SALMIKUUKKA, TIMO</creatorcontrib><creatorcontrib>EKMAN, JUSSI</creatorcontrib><creatorcontrib>HOLMA, PEKKA</creatorcontrib><title>Coating of rigid wood products with thermoplastic polymer</title><description>The invention concerns a coating apparatus for coating inflexible board type and predominantly wooden products (1) with a thermoplastic polymer. 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The coating apparatus comprises an extrusion die (9), which delivers a thermoplastic polymer (T) as a molten coating film (4) onto a product top surface (5y) of the product across a line pressure point (13) at a distance (Q) from the line pressure point, and supporting rolls (18a) and/or supporting rollers (18b) and/or one or more flat blocks (19) establishing a supporting platform (K), as well as a cooling section (15). The cooling section comprises a press belt (3) extending around rolls (20y and 12 or 11 and 12) set at a distance (L2) from each other and running co-directionally with the coatable product's length (L1); and between the rolls at least one cooling block (8) and/or press rolls (18) or press rollers (19), as well as compression elements (17) which are adapted to push at least some of the press rolls or the press rollers or the cooling blocks towards the supporting platform (K) with such a force (F) which generates with the press belt a pressure load (P) between the coating film (4) and the product top surface (5y), thus sustaining their mutual surface contact.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Coating of rigid wood products with thermoplastic polymer |
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