CS237778B1 - Method of modification of wood - Google Patents
Method of modification of wood Download PDFInfo
- Publication number
- CS237778B1 CS237778B1 CS816821A CS682181A CS237778B1 CS 237778 B1 CS237778 B1 CS 237778B1 CS 816821 A CS816821 A CS 816821A CS 682181 A CS682181 A CS 682181A CS 237778 B1 CS237778 B1 CS 237778B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- wood
- carried out
- ila ila
- modifying agent
- modification
- Prior art date
Links
- 239000002023 wood Substances 0.000 title claims 4
- 238000000034 method Methods 0.000 title claims 3
- 238000012986 modification Methods 0.000 title 1
- 230000004048 modification Effects 0.000 title 1
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 235000010290 biphenyl Nutrition 0.000 claims 1
- 239000004305 biphenyl Substances 0.000 claims 1
- 125000006267 biphenyl group Chemical group 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000005470 impregnation Methods 0.000 claims 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000001291 vacuum drying Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- UGTJLJZQQFGTJD-UHFFFAOYSA-N Carbonylcyanide-3-chlorophenylhydrazone Chemical compound ClC1=CC=CC(NN=C(C#N)C#N)=C1 UGTJLJZQQFGTJD-UHFFFAOYSA-N 0.000 description 1
- 102100037249 Egl nine homolog 1 Human genes 0.000 description 1
- 101710111663 Egl nine homolog 1 Proteins 0.000 description 1
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 1
- 241000921985 Teneria Species 0.000 description 1
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000000136 cloud-point extraction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0278—Processes; Apparatus involving an additional treatment during or after impregnation
- B27K3/0292—Processes; Apparatus involving an additional treatment during or after impregnation for improving fixation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Telescopes (AREA)
Description
ΠβοόρβτβΗΖθ othochtch κ AepeBootípaóaTMBaimeft npoMiim-JI0HHOCTZ, B HaCTHOCTH K CHOCOÓaM nOJiyneHM MOAH^BHHpOBaH-HOft CZHT6TZZ6CKZMZ ΠΟΛΗΜβρβΜΗ ΑΡβΒβΟΖΗΗ. Η3ΒβΟΤβΗ CHOCOÓ MOjm$HmipOBaflfflZ ΛρβΒβΟΗΗΗ HyieM aBTO-KjiaBHOĚ προπζτκζ no cnocoóy "BaKyyM—Α&ΒηβΗζβη c nocjiejtyxnpnyiοτΒβρ^πΒΗΗβΜ zraperzazra b ΑρβΒβοζΗβ npz TepwooópaóoTKe kohΒβΚΤΗΒΗΒΜ ΜΘΤΟΑΟΜ /1/.
HejiocTaTKOM z3BecTHoro cnocoóa ηβληθτολ hcoóxoabmoctbΠρΒΜβΗΘΗΖΛ ΒΗΟΟΚΟΤθΜΠβρΗΤγρΗΚΧ QymZJIBHEtX ΚΗΜβρ, CJIOXHOCTLyjiaBJíHBaHZM tokchhhhx jxeTynzx npoítyKTOB npz cymKe z οτΒβρκΑβζζζ, dojiiinaa αλζτθλβηοοτβ nponecca z cjioshoctb nojiyqeHZHMOAH$EmzpOBaHHO2 ApeB&CZHH 0β3 TpemZH Z KOpOdzeflZff. ΗβΒβοτβζ Tázse cnocoó MOAZ$znzpoBaHza ΑρβΒβοζΗΗ, bkjib-BanqzS ee cynncy nofl BazyyM, nponzray MOAB$mmpywu arearoMz OTBepameHze ero b ApeBeczHe, β κοτοροΜ cynusy z OTBepw-Hze ocynjecTBJíHiOT b cpene χζακογο TenJiOHOCHTeJw npz οοτβτοη-hom AaBJBHZz 40-110 mm ρτ.οτ., πρζζβΜ cyunty ocymecTBjnnoTnpz 40-85°C, a οτΒβρζΑθΗΗβ - npz II0-I40°C (2). ΗβΑΟΟΤβΤΚΟΜ Ζ3ΒΘ0ΤΗ0Γ0 cnocoóa ΗΒΚΗΘΤΟΛ ΗβΟόΧΟΑΖΜΟΟΤΒΠρΖΜΘΗβΗΖΖ &HH ΠρΟΠΖΤΚΖ ΑρβΒβΟΖΗΗ, npeABapzTejn>Ho BHCyHieH-HOĚ K0HB6KTZBHHM CHOCOÓOM £0 BJiaXHOCTZ I0±4$.
Cynnca b mhakom τβιυιοΗοοζτβΛβ b stom cjiyzae HeAonycTZ-Ma, tok zaz nopu z noBcpxHocTB αρθβοοζζη 3aÓHBaiQTCH Tenjio-HOCHTejieM z nocjieAyiomaz nponzrza ΑρβΒβοζκΗ 3aTpyAHeHa. JUx προΒβΑθΗΜ nponecca cymKH zponzraimoS αρθβθοζηη z 237778 3 OTBepatfleHHff nponzTHBamero cocTasa b Heft HeočxojysMO Tua-Teji&HO oTKanaTb Z3 aBTOKnasa nponzTHBawift cocTas, ποεβρχ-hoctb aBTOKJiaBa z zponzTaHHofi ApeBeczHH AonojmzTejiBHO ocy-®ztb ποα BaKyyMOM z tojjbko saTeM bbscth b ββτοκλββ ποαο-rperaft τβΠΛΟΗΟΟΗτβΛΒ. Uocjie 3aBepneHzn nponecca cynncz h ot-BepwHzz τ enjio ho cHTe jíl OTKanzBaeTcn zs ββτοκλβββ z nocjiea-Hzft TmaTejrBHo npoMHBaeTCH boahhm coaobhm pacTBopoM. B cbh-3Z O 3TZM 0Ópa3yeTCH ÓOJndnoe IíOOTHeCTBO ΟΤΟΉΗΗΧ BOA, KOTO-pae HeOÓXOAHMO yTHJIH3HpCBaTB.
IfejIB Ζ300ρβΤβΗΖΗ - ΖΗΤβΗΟΖφΖΚβΙίΖΗ Η $ΉρθΠξβΗΖβ ΠρΟΗβΟ-ca, ΠΟΒΜΠβΗΖβ nponHOCTHUX CBOÉCTB ΑρβΒβΟΖΗΗ. IIocTaBJíeHfíafl nejit αοοτζιώβτοη τθμ, ητο cymKy z προπζτ-Ky προβοαητ β ορβΑθ MOAH$znzpysomero areHTa npz 70-80°C, πρκ·ίθμ β KaaecTBe MOAH$znzpyroniero areHTa nenojiB3yioT otxoa ah-φβΗΜΒΗΟΓΟ npoHSBOACTBa, cynncy ocynjecTBJímoT npn οτητζηθοκομAHBJíeHKH 3,33-8,0 Kila b TeneHze 20-240 mzh, a nponzTKy -npz AaBJíeHHH 0,4-1,0 Míla. ΟΤΧΟΑ ΑίφβΗΗΑΒΗΟΓΟ npOZSBOACTBa npeACTSBJIHeT coóoSCMect AK^eHKJia - 65%, na$TajiZHa - 3%, cepocoAepsamzx cmojiz Apyrzx npzMeceft - 32% c tohkoS njiaBJíeazH 55-63°C. ΠρζΜβρ I. 0ďpa3na ApeBeczHu BJiaxHOCTBB I0±4% 3arpysaBT b asTo-KnaB, co3Aaic>T BaKyyM c οοτητοηηημ AaBJíeHHeM 3,33 Kila, 3a-τθμ BnycKaBT pa3orpeTHft ao 70°C TepMonjiacraHKufi προΑγκτ,KBjraranKftca otxoaom α^Φθηκτιβηογο npoz3BOACTBa He$Tenepepaóa-TUBaioiqeft προΜΗπυιβΗΗΟοτΗ, z BUAepzzBaBT b TeneHze 20 mzhAJih yAQJieHzz BO3Ayxa z BJiara Z3 ApeBeczHH. SaTeM οο3αηβτAaBJíeHze 0,4 MHa z προπζτηβββτ stzm coctheom 30 mzh. Cópa-chbbbt AaBJíeHze, οτκηηζβββτ οοοτββ, κοτοριώ μοκθτ óhtb npz-μθηθη z b AaJiBHe&neM, BurpyzaBT MOAz$znzpoBaHHyx> ApeBeczHy.CoAepzaHze nojizMepa b otípa3qax MOAZ$znzpoBaHHOft ApeBeczHHcocraBHJio 93% no BecoBOMy cnocotíy. ΠρΒΜβρ 2. Oópa3ini ApeBeczHH βλβζηοοτββ 25-30% 3arpyzaBT β hbto—KJiaB, co3AaioT BaKyyM rjiyózHož 4,66 Kila, 3aTeM snycKaroT τβρ-MonjiacTZHHHft npoAyKT npz TeMnepaType 70°C z yasjihiot BO3Ayx 237778 Z BJiary 23 ΑΡβΒβΟΗΗΗ B ΤβΗβΗΗβ 50 MHH. 3aT6M C03AEUOT jtaB-jieHze 2 προπζτηββκτ 3Ty ApeBeczHy npn 0,6 Míla b τθηθηηθ30 mhh. CópacHBasoT naBjreHze, οτκηηηβηκχγ cocTaB, KOTopuS mo-ΧβΤ ÓHTB HCn0JI£30BaH 2 B ,ΙξβΛΒΗβ&ΠβΜ. Co^epzaHZe nOJIHMepa BMO£2$HIÍHpOBafíHOfi ΛρβΒβΟΗΗβ ÓOCTaBHJIO 80$. BnaSHOCTB M0flZ$Z-rmpoBaHHOfl ApeBecHHH onpej(ejsui2 no Μβτοηγ JlHHa z CTapxa, OHa cocTaBHJia 6$. ΠρζΜβρ 3. OTJoraaeTca οτ npzMepoB I, 2 tom, zto zczoízaz bjzuk—hoctl odpaeuoB cocTaBJíHJia 80$, raydzHa BazyyMa npz ysajie-HHZ B03Jiyxa 2 Bjtarz 23 ΛρβΒβΟΗΗΗ - 6,0 kila ΠΡ2 ΒρβΜβΗΗ160 MznyT, TeMnepaTypa TepMonjiacTHZHoro cocTaBa - 75°C,jjaBneHze npz προπΗτκβ - 0,8 Míla. ConepaaHze nojmMepa cocTa-BHHO 60$, BJiaXHOCTB ΜΟ^ξΖφΖΕξΖρΟΒΒΖΗΟΰ ΛρβΒΘΟΗΗΗ - 9$. ΠρζΜβρ 4. OTJonaeTCH οτ npzMepoB 1,2,3 τβΜ, ζτο βοχοληβλ bjewí-hoctb ΛρβΒβοζΗΗ cocTaBJínjia 120$. rjiydHHa BazyyMa npz yna-jieHHz B03,nyxa z bjstz 23 αρθβθοζηη dtuia 8,0 kila, TeMnepa-Typa cocTaBa -ótuia 80°C, λλητθλβηοοτβ yzaneHza B03nyxa zBJiarn 23 ΛρβΒβοζΗΗ - 240 MZHyr, ssaBJíeHze npz προπζτκβ1,0 Míla. ConepxaHze nojiHMepa cocTaBHJio 50$, BJiaxHocTt moaz-$znzpoBaHHoft zpeBeczHH - 12$. 0dpa3QU ΜΟΛΗφΗΠΖρΟΒβΗΗΟβ ΛρβΒΘΟΖΗΗ,ΠΟΛ3ΓΖΘΗΗΗβ Πρβ&Λ3-raeMHM cnocoóoM 2 cnocodoM - προτοτζποΜ, nojcBeprajiz $232-Ko-MexafizzecKZM ζοπητβηζημ, pe3yjo>TaTu κοτορκχ πρζΒβΛβΗΗ bTatínnme.
Tadjizzá $232K0-MexazzzecKze ποκΒ3βτβΛΗ MOOT$znzpoBaHHofi _ _ ΠΡβΒβΟΖΗΗ- ______ _ “HáHMeSoBaSaě :ΠρζΜβρ :~TIpHMep TupmSep ΤΠρζΜβρ ΤΠροτο-noKa3aTeJW : I : 2__ _ : 3__: _ 4 _ : τζπ. _ upeseji npozHooTHnpz cTaTznecKOMH3r2Óe, Míla 143,45 141,25 140,31 138,90 137,93 ΠρβΛΘΛ ΠρΟΖΗΟΟΤΗ npz cxaTZZ biiojil bojiokoh, Míla 73,94 71,60 69,10 68,50 68,74 237778
ΠρΟΛΟΛΧβΗΗβ TadJEHUH
HaEMeHOBaHHe : ΠρπΜβρ : Ilpmep ;HpnMep ’ΠρκΜβρ :Προτο- noKa3aTejw · I ’ 2 · 3 · 4 ' τηπ
JlHHe&Hoe Pastíy-xaHHe 3a 20 cy-TOK, % -TaHreHHHajiBHoe 12,77 — — - 6,02 -pannajiBHoe 6,03 - - - 2,86 BosonorjiameHHe 3a 30 cyTOK, % 32,76 - - - 66,0 3Kcnep0MeHTajii»HHe .namme CBHjteTejr&cTByiOT o tom, htoΜΟΛΗφΗΙίΗρΟΒβΗΗβ ,ζρβΒβΟΗΗΗ ΠρβΛΛΗΓΒβΜΗΜ CIIOCOtíOM Π03Β0ΛΗ-θτ yBejnnHTL· npeaeji npoHHOCTH npn c^aran bojiokoh Ha 29%,a npn cTaTira$CKOM H3ratíe - Ha 8,6%. PastíyxaHHe moah$hhh-poBaHHOŽ no npejyiaraeMOMy cnocotíy ApeBecrau Btnne, ηθμ ynpoTOTuna, BOHonorjiameHHe chhshjiocb.
Mojm$HUHpoBaHne ΛρβΒβοΗΗΗ HpeftnaraeMHM cnocotíow no-3BOJLHeT HHTeHCHtJHHHpOBaTB ΤβΧΗΟΛΟΓΗΗΘΟΚΗΖ ΠρΟΙίβΟΟ Πρ0Η3-BOHCTBa MOflHgWipOBaHHOfi ΗΡθΒβΟΗΗΗ, COKpaTHTI. BpeMH MOOT-$HHHpOBaHHH 3a CH6T B03M0HH0CTH ΠρΗΜβΗβΗΗΗ ΑρβΒβΟΗΗΗ flJIHΜΟΛΗφΗΚΗΠΗΗ C pa3JTHHHO2: Ha^ajIBHOŽ B.naXHOCTBX), ΗΟΚΙΠΟΗβΗΗΗHeotíXOOTMOCTH HCn0JIB30BaHHH B OAHOM ΠρΟΗβΟΟβ ΠρΟΠΗΤΟΗΗΟΓΟCOCTaBa Η TeiUIOHOCHTeJIH, ΗΟΙϋΠΟΗΘΗΗΗ npOMHBKH OÓOpyHOBaHHHnocjie j-caaffloB 3arpy3KH, ycTpaHOHHH npowexyTOHHoro nepeKa-ΗΗΒΒΗΗΗ ΠρΟΠΗΤΟΗΗΟΓΟ COCTaBa, HeotíXOSHMOCTH ΤρΗΒζΣζΗ CO3.Ha-BaTB Ba«yyM, a Taoe 3aM8Hoit προπητοηηογο cocTaBa οτχολομΛΗφβΗΗΛΒΗΟΓΟ Πρ0Η3Β0β0ΤΒΗ, KOTOpHÉ paHee CMHTaJICff Η ΗβΗΜΘΛ ΠρΗΜβΗΘΗΗΗ B HapOHHOM Χ03ΗΖ0ΤΒβ. CHHjKUOTCX 3ΗΒΗ1ΙΤβΛΒ—ho 3Hepro3aTpaTH, Tas Kas npopecc cysuca η προπητκη spese-chhh ocymecTBJíHeTCH npn TeMnepaType 70-80°C. 237778 6 ΦΟΡΜΖΗΑ Μ30ΒΡΕΤΕΗΖΗ
Cnoooó ΜΟΛΗφΗϋΗρΟΒΘΗΗΗ ΛρβΒβΟΗΗΗ, BKJHOHaHIHHft ββcyuucy πολ BaKyyMOM, npomiTKy MosHfJnmipyroinHM areHTOM ηΟΤΒββΧβθΗΗβ ero Β ΛρθΒβΟΗΗβ, 0ΤΛΒΊ8ΠΒΗ#0Η ΤβΜ, ΨΓΟ, CiiejiLK) ηητθηοηΦηκΛιη2 β ynpomenBH nponecca, UOBWieiISiaΠρΟΉΗΟΟΤΗΗΧ CBOÍÍCTB ίφβΒβΟΗΗΗ, CyfflKy Η ΠρΟΠΗΤΚγ ΠρΟΒΟ-Λητ β cpese MOOT$HHHpyEniero areirra npa 70-80°G, πρκΗβΜβ KanecTBe MO£E$zinipynuero arema acnojn>3yiDT οτχολΛΒφβΗΗΛΒΗΟΓο npoB3BOflCTBa, cyuucy ocymecTBJWMT npa da-ΤΗΊβοκοΜ ΛΗΒΛβΗΗΗ 3,33-8,0 Kila b Tenenae 20-240 MHHyr,a nponaŤKy - πρκ λθβλθηηη 0,4 - 1,0 MHa. . MCTOHHHKB ΒΗφορΜΘΠΒΒ, ΠρΗΗΗΤΗβ BO ΒΗΗΜβΗΗΘΠΡΒ 3Κ0ΠθρΤΗ3θ: 1. ΑΒΤοροκοβ οΒΒΛβτβΛΒΟΤΒΟ CCCP Λ 431008, Β27Κ 3/50, 1972. 2. ΑΒΤοροκοβ οβηλθτθλβοτβο CCCP Jí 1038229 no sanB-κθ Jí 2848917/29-15, B27 K 3/02, 1979. 237778 7 AHHOTAUHfl Μ3ΟόρβΤΘΗΗβ OTHOCHTCH K cnocotíy MOAHŤHUHpOBaHHHΑρβΒβΟΗΗΗ.
UeJIB Η300ρβΤβΗΗΗ - ΜΗΤβΗΟΗφΗΙΙΗρΟΒΗΤΒ Η ynpOCTHTBnpouecc, ΠΟΒΗΟΗΤΒ IipOHHOCTHHe CBOÍtCTBa ΑρβΒβΟΗΗΗ.
HejiB AOCTuraeTca cnocodOM, BKJimannHM cyniKy ApeBeCHHH ΠΟΑ BaKyyMOM, nponHTKy ΜΟΑΗφΗΙΒφ/ΙΟΑΗΜ areHTOM HOTBepameinie ero b ΑΡθΒβοΗΗβ, πρκ 3 tom cyiiucy h nponHTKyπροβοαητ b cpeAe MOAH$HiBspyiouiero areHTa πρκ 70-80°C,b KanecTBe MOAH$KimpyKsuero areHTa HcnojiB3yroT otxoa ΑΗφθΗΗΛΒΗΟΓΟ ΠρθΗ3ΒΟΑΟΤΒ3, CyfflKy OCyAeCTBAHTOT ΠρΗ CTS-TunecKOM AaBJíeHHH 3,33-8,0 Kila b Teneraie 20-240 MHHyT,a nponHTKy - npn AaBJíeHHH 0,4-1,0 Mna. 237778
Claims (1)
- 237778 PŘEDMĚT VYNÁLEZU Způeob úpravy dřeva, zahrnující jeho vakuové suSení, impregnaci modifikující látkoua její vytvrzení ve dřevé, vyznačující se tím, že za účelem intenzifikace a zjednodušeníprocesu, zvýSenl.pevnosti dřeva se provádí suSení a impregnace v prostředí modifikujícílátky při 70 až 80 °C, přičemž se jako modifikující látka použije odpad výroby difenylu,suSení se provádí při statickém tlaku 3»33 až 8 kPa po dobu 20 až 240 minut a impregnacese provádí při tlaku 0,4 až 1,0 MPa. Uznáno vynálezem na základč výsledků expertizy, provedené Státním výborem pro vynále-zy a objevy SSSR, Moskva, SU.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU803212801A SU1069996A1 (ru) | 1980-12-16 | 1980-12-16 | Способ модифицировани древесины |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS682181A1 CS682181A1 (en) | 1984-11-19 |
| CS237778B1 true CS237778B1 (en) | 1985-10-16 |
Family
ID=20930001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS816821A CS237778B1 (en) | 1980-12-16 | 1981-09-15 | Method of modification of wood |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS57126605A (cs) |
| BG (1) | BG42721A1 (cs) |
| CS (1) | CS237778B1 (cs) |
| DD (1) | DD230984A3 (cs) |
| FI (1) | FI813936L (cs) |
| SE (1) | SE8107478L (cs) |
| SU (1) | SU1069996A1 (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI94607C (fi) * | 1993-05-28 | 1995-10-10 | Finnforest Oy | Menetelmä puumateriaalin kovettamiseksi |
| RU2474492C1 (ru) * | 2011-07-27 | 2013-02-10 | Мария Игоревна Романенко | Способ модифицирования древесины |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1181246A (en) * | 1967-04-28 | 1970-02-11 | Hager Ab | Improvements in or relating to Methods of Treating Wood |
-
1980
- 1980-12-16 SU SU803212801A patent/SU1069996A1/ru active
-
1981
- 1981-09-12 BG BG8153508A patent/BG42721A1/xx unknown
- 1981-09-15 CS CS816821A patent/CS237778B1/cs unknown
- 1981-09-22 DD DD81233488A patent/DD230984A3/xx not_active IP Right Cessation
- 1981-12-08 FI FI813936A patent/FI813936L/fi not_active Application Discontinuation
- 1981-12-14 SE SE8107478A patent/SE8107478L/xx not_active Application Discontinuation
- 1981-12-16 JP JP56201753A patent/JPS57126605A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BG42721A1 (en) | 1988-02-15 |
| FI813936L (fi) | 1982-06-17 |
| CS682181A1 (en) | 1984-11-19 |
| JPS57126605A (en) | 1982-08-06 |
| SE8107478L (sv) | 1982-06-17 |
| DD230984A3 (de) | 1985-12-18 |
| SU1069996A1 (ru) | 1984-01-30 |
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