NO861494L - MOUNTING OF FINES TO A SUPPORT Laminate. - Google Patents
MOUNTING OF FINES TO A SUPPORT Laminate.Info
- Publication number
- NO861494L NO861494L NO861494A NO861494A NO861494L NO 861494 L NO861494 L NO 861494L NO 861494 A NO861494 A NO 861494A NO 861494 A NO861494 A NO 861494A NO 861494 L NO861494 L NO 861494L
- Authority
- NO
- Norway
- Prior art keywords
- veneer
- heat
- laminate
- support laminate
- pressing
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 claims 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Laminated Bodies (AREA)
- Die Bonding (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Finished Plywoods (AREA)
Description
FESTE AV FINÉR TIL ET STØTTELAMINATATTACHING VENEER TO A SUPPORT LAMINATE
Foreliggende oppfinnelse omhandler en fremgangsmåte for å feste en finérplate til et støttelaminat. I tidligere kjente fremgangsmåter er det anvendt 0,7-1,7 mm tykke finérplater som festes til et støttelaminat. Før festingen tørkes finérplatene og i neste steg limes finérplaten til laminatet. Når en meget tynn finérplate ønskes utføres høvling eller sandblåsing av fineren etter festing av finérplaten til støttelaminatet fordi limingen ikke har vært mulig å utføre med meget tynne finérplater på grunn av at med meget tynne finérplater vil limen trenge gjennom arket inn i forsiden av finéren. Dette er grunnen til at det har vært stort materialtap ved fremgangsmåter ifølge tidligere teknikk. The present invention relates to a method for attaching a veneer sheet to a support laminate. In previously known methods, 0.7-1.7 mm thick veneer sheets are used which are attached to a support laminate. Before fixing, the veneer sheets are dried and in the next step the veneer sheet is glued to the laminate. When a very thin veneer sheet is desired, planing or sandblasting of the veneer is carried out after attaching the veneer sheet to the support laminate because gluing has not been possible with very thin veneer sheets due to the fact that with very thin veneer sheets the glue will penetrate the sheet into the front of the veneer. This is the reason why there has been a large loss of material with methods according to prior art.
Målet for foreliggende oppfinnelse er å eliminere de ovenfor nevnte ulemper ved kjente løsninger for å feste finértreverk til et støttelaminat. The aim of the present invention is to eliminate the above-mentioned disadvantages of known solutions for attaching veneered wood to a support laminate.
Dette oppnås i samsvar med oppfinnelsen ved en metode hvor fuktig meget tynn fortrinnsvis 0,2-0,3 mm tykk finér plasseres på en forlimt overflate av støttelaminatet hvorpå de limes sammen og tørkes ved å bruke varmepressing slik at fuktighetsbufferen som erholdes ved kompresjonen og varmen forhindrer limet fra å trenge opp til forsiden av finéren. This is achieved in accordance with the invention by a method where moist, very thin, preferably 0.2-0.3 mm thick veneer is placed on a pre-glued surface of the support laminate whereupon they are glued together and dried using heat pressing so that the moisture buffer obtained by the compression and the heat prevents the adhesive from penetrating to the face of the veneer.
Ved hjelp av denne fremgangsmåte fremstilles en tynn finérplate uten noe materialtap. Gjennomtrenging av limet til forsiden av finéren forhindres av fuktighetsbufferen som dannes på grunn av den fuktige finéren. Ved varmepressing av finérplaten til støttelaminatet vil limet trenge inn i baksiden av finéren og på grunn av varmen vil det tørke og feste laminatet til finéren. På grunn av fuktigheten i finéren vil fuktighetsbufferen forhindre limet fra å øde-legge forsiden av finéren. Mot slutten av varmepressingen vil varmen også tørke den øvre forside av finéren, men ved dette tidspunkt har limet allerede tørket og vil ikke Using this method, a thin veneer sheet is produced without any loss of material. Penetration of the adhesive to the face of the veneer is prevented by the moisture buffer formed due to the damp veneer. When heat pressing the veneer sheet to the support laminate, the glue will penetrate the back of the veneer and due to the heat it will dry and attach the laminate to the veneer. Due to the moisture in the veneer, the moisture buffer will prevent the glue from destroying the face of the veneer. Towards the end of the hot pressing, the heat will also dry the upper face of the veneer, but by this time the glue has already dried and will not
trenge videre opp til forsiden av finéren.penetrate further up to the front of the veneer.
For å forhindre vanndamp fra å fordampe fra finéren i løpet av varmepressingssteget er det fordelaktig å bruke en hermetisk lukket planpresse. To prevent water vapor from evaporating from the veneer during the heat pressing step, it is advantageous to use a hermetically sealed flat press.
Vanligvis er fuktighetsinnholdet i et nyfelt tre til-strekkelig for å oppnå denønskede fuktighetsbuffer. Hvis treet har tørket på grunn av innvirkning av luft bør finéren fuktes før limsteget. Dette kan oppnås ved foreksempel dypping. Det er også fordelaktig i henhold til oppfinnelsen å transportere finéren fra skjaerestedet til limestedet på en vannpute-transportanordning. Ved en slik transportanordning er friksjonen meget liten og på samme tid vil finéren bli fuktet. Usually, the moisture content in a newly felled tree is sufficient to achieve the desired moisture buffer. If the wood has dried due to the influence of air, the veneer should be moistened before the gluing step. This can be achieved by, for example, dipping. It is also advantageous according to the invention to transport the veneer from the cutting site to the gluing site on a water cushion transport device. With such a transport device, the friction is very small and at the same time the veneer will be moistened.
I henhold til oppfinnelsen kan støttelaminatet være laget av papir, plast, fiberglass vevet eller ikke-vevet, pressfinér, hardt tre, gips eller treverk. According to the invention, the support laminate can be made of paper, plastic, fiberglass woven or non-woven, pressed veneer, hard wood, gypsum or wood.
I henhold til fremgangsmåten ifølge oppfinnelsen oppnås en meget tynn og sterk utseendemessig god finér uten materialtap. Fremgangsmåten er også relativt billig på grunn av de meget få nødvendige steg. Den fremstilte finér reagerer i tillegg meget lite på temperaturforandringer og fuktighets-forandringer på grunn av sin meget lille masse. According to the method according to the invention, a very thin and strong veneer with good appearance is obtained without material loss. The procedure is also relatively inexpensive due to the very few steps required. The manufactured veneer also reacts very little to changes in temperature and humidity due to its very small mass.
Oppfinnelsen beskrives nedenfor i større detalj under hen-visning til de medfølgende tegninger hvor The invention is described below in greater detail with reference to the accompanying drawings where
Fig. 1 er et tverrsnitt av finérplaten,Fig. 1 is a cross-section of the veneer sheet,
Fig. 2-4 viser fremgangsmåte ved bladskjøting ved tverrsnitt, Fig. 2-4 shows the procedure for blade splicing in cross section,
Fig. 5 viser bladskjøten fra forsiden av finéren.Fig. 5 shows the leaf joint from the front of the veneer.
I første steg skjæres finérplaten 3 til en tykkelse på 0,2- 0,3 mm. Hvis de har tørket blir de først fuktet og i neste steg plassert på den forlimte 2 overflate av et støttelami-nat 1. Skjøtene mellom tilstøtende plater av finér kan lages som buttskjøter eller bladskjøter. Dersom buttskjøt-er anvendes skjæres kantene av tilstøtende finér rett og finérkantenee plasseres mot hverandre. Bladskjøter er be-skrevet nedenfor under referanse til figurene 2-4. In the first step, the veneer sheet 3 is cut to a thickness of 0.2-0.3 mm. If they have dried, they are first moistened and in the next step placed on the glued 2 surface of a support laminate 1. The joints between adjacent sheets of veneer can be made as butt joints or leaf joints. If butt joints are used, the edges of adjacent veneers are cut straight and the veneer edges are placed against each other. Leaf joints are described below with reference to figures 2-4.
I fig. 1 er det vist effekten av pressingen 10 og varmen 11. Fuktigheten av finéren går oppover vist med referanse-tall 12. Limet 2 vil trenge inn i de tørre cellene 3' kun i en slik avstand at cellene har tørket. Limet vil ikke trenge inn i toppen av finéren på grunn av fuktighetsbufferen som er oppnådd av den fuktige finéren. På samme tid trenger limet inn i støttelaminatet. In fig. 1 shows the effect of the pressing 10 and the heat 11. The moisture of the veneer increases, shown with reference number 12. The glue 2 will penetrate the dry cells 3' only at such a distance that the cells have dried. The glue will not penetrate the top of the veneer due to the moisture buffer achieved by the damp veneer. At the same time, the adhesive penetrates into the supporting laminate.
I fig. 2-4 er det vist en løsning hvor en bladskjøt anvendes for bladskjøting av finérplater til hverandre under festing av disse til et festelaminat 1. I fig. 2 er det vist hvordan finérplatene 3 og 4 overlapper hverandre. I fig. 3 utføres varmepressing som forklart ovenfor og i fig. 4 fjernes den overlappende del 8 av en av platene. Dette kan utføres foreksempel ved å blåse luft med høyt trykk på den overlappende del av platen hvorved den tørre kanten 8 kan fjernes og en meget god skjøt 9 oppnås. In fig. 2-4 shows a solution where a leaf joint is used for leaf joining of veneer sheets to each other while attaching these to a fixing laminate 1. In fig. 2 shows how the veneer sheets 3 and 4 overlap each other. In fig. 3, heat pressing is carried out as explained above and in fig. 4, the overlapping part 8 of one of the plates is removed. This can be done, for example, by blowing air at high pressure on the overlapping part of the plate, whereby the dry edge 8 can be removed and a very good joint 9 achieved.
I fig. 5 er det vist en løsning hvorved en bladskjøt anvendes med en ikke rettlinjet skjøt 9. Herved følger skjøten 9 fiberene i treverket og skjøten vil være meget naturlig og umerkelig. In fig. 5 shows a solution whereby a blade joint is used with a non-straight line joint 9. Hereby, the joint 9 follows the fibers in the wood and the joint will be very natural and unnoticeable.
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI843270A FI843270A (en) | 1984-08-17 | 1984-08-17 | FOERFARANDE FOER INDUSTRIELLT UTNYTTJANDE AV TILL EN TJOCKLEK AV 0,2-0,3 MM SKURET TRAEFANER. |
Publications (1)
Publication Number | Publication Date |
---|---|
NO861494L true NO861494L (en) | 1986-04-16 |
Family
ID=8519488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO861494A NO861494L (en) | 1984-08-17 | 1986-04-16 | MOUNTING OF FINES TO A SUPPORT Laminate. |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0224486A1 (en) |
AU (1) | AU4724785A (en) |
BR (1) | BR8507230A (en) |
DD (1) | DD238939A5 (en) |
DK (1) | DK166586A (en) |
ES (1) | ES8701013A1 (en) |
FI (1) | FI843270A (en) |
HU (1) | HUT47475A (en) |
NO (1) | NO861494L (en) |
PL (1) | PL255039A1 (en) |
PT (1) | PT80983B (en) |
RO (1) | RO105371B1 (en) |
WO (1) | WO1986001142A1 (en) |
YU (1) | YU132285A (en) |
ZA (1) | ZA856271B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2072593A1 (en) * | 2007-12-18 | 2009-06-24 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | A method for joining moist parts |
DE102009055282B4 (en) * | 2009-12-23 | 2016-01-14 | Danzer Services Schweiz Ag | Made veneer sheet |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1435594A (en) * | 1921-06-16 | 1922-11-14 | Elmendorf Armin | Veneered pulpboard and process of making the same |
DE510833C (en) * | 1929-04-28 | 1930-11-03 | Julius Carl Hofmann | Method for applying a veneer made of vulcanized fiber u. Like. On wood u. Like. And the same for cleaning |
GB356138A (en) * | 1930-03-25 | 1931-08-25 | Laucks I F Inc | An improved process for uniting wood and other surfaces |
GB697746A (en) * | 1950-02-13 | 1953-09-30 | Joshua Marshall | Improvements relating to the manufacture of plywood |
BE537418A (en) * | 1954-05-31 | |||
GB971592A (en) * | 1961-02-08 | |||
US3253970A (en) * | 1962-01-31 | 1966-05-31 | Hawley Products Co | Molding, decorating and finishing die dried fibrous articles |
US3384137A (en) * | 1963-07-08 | 1968-05-21 | Monsanto Co | Hot press plywood |
DE1220993B (en) * | 1964-10-24 | 1966-07-14 | Friz Gmbh Adolf | Method of assembling strips of veneer |
-
1984
- 1984-08-17 FI FI843270A patent/FI843270A/en not_active Application Discontinuation
-
1985
- 1985-08-16 EP EP85904115A patent/EP0224486A1/en not_active Withdrawn
- 1985-08-16 HU HU853632A patent/HUT47475A/en unknown
- 1985-08-16 WO PCT/FI1985/000069 patent/WO1986001142A1/en not_active Application Discontinuation
- 1985-08-16 PL PL25503985A patent/PL255039A1/en unknown
- 1985-08-16 ES ES546206A patent/ES8701013A1/en not_active Expired
- 1985-08-16 BR BR8507230A patent/BR8507230A/en unknown
- 1985-08-16 RO RO127057A patent/RO105371B1/en unknown
- 1985-08-16 AU AU47247/85A patent/AU4724785A/en not_active Abandoned
- 1985-08-19 YU YU01322/85A patent/YU132285A/en unknown
- 1985-08-19 PT PT80983A patent/PT80983B/en unknown
- 1985-08-19 ZA ZA856271A patent/ZA856271B/en unknown
- 1985-08-19 DD DD85279814A patent/DD238939A5/en unknown
-
1986
- 1986-04-11 DK DK166586A patent/DK166586A/en not_active IP Right Cessation
- 1986-04-16 NO NO861494A patent/NO861494L/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA856271B (en) | 1986-04-30 |
HUT47475A (en) | 1989-03-28 |
YU132285A (en) | 1988-04-30 |
PT80983B (en) | 1986-12-09 |
RO105371B1 (en) | 1994-09-20 |
FI843270A (en) | 1986-02-18 |
WO1986001142A1 (en) | 1986-02-27 |
PT80983A (en) | 1985-09-01 |
FI843270A0 (en) | 1984-08-17 |
PL255039A1 (en) | 1986-07-01 |
AU4724785A (en) | 1986-03-07 |
BR8507230A (en) | 1987-08-04 |
ES546206A0 (en) | 1986-11-16 |
DK166586D0 (en) | 1986-04-11 |
DD238939A5 (en) | 1986-09-10 |
ES8701013A1 (en) | 1986-11-16 |
DK166586A (en) | 1986-04-11 |
EP0224486A1 (en) | 1987-06-10 |
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