FI93528B - Produktionsförfarande för bygg, konstruktions- och förpackningsmaterial samt anordningar för genomförande av detsamma - Google Patents
Produktionsförfarande för bygg, konstruktions- och förpackningsmaterial samt anordningar för genomförande av detsamma Download PDFInfo
- Publication number
- FI93528B FI93528B FI915772A FI915772A FI93528B FI 93528 B FI93528 B FI 93528B FI 915772 A FI915772 A FI 915772A FI 915772 A FI915772 A FI 915772A FI 93528 B FI93528 B FI 93528B
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- FI
- Finland
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- blank
- binder
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- mixture
- expansion
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- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims abstract 3
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/28—Moulding or pressing characterised by using extrusion presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
- B29B7/92—Wood chips or wood fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249959—Void-containing component is wood or paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249976—Voids specified as closed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249976—Voids specified as closed
- Y10T428/249977—Specified thickness of void-containing component [absolute or relative], numerical cell dimension or density
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Inorganic Insulating Materials (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Gasket Seals (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Organic Insulating Materials (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Laminated Bodies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Making Paper Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- General Factory Administration (AREA)
- Nonwoven Fabrics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Claims (26)
1. Förfarande för framställning av bygg-, struktur-, eller förpackningsmaterial under bildning av formkroppar av 5 vattenfuktigt naturligt fiberhaltigt eller fiberformigt material och bindemedel genom blandning och kompaktering i en snäcksträngsprutningsapparat med anslutande formmunstycke, kännetecknat av att: a) säsom bindemedel utnyttjas ätminstone ett biopoly- 10 mert, naturligt ämne ur ätminstone en av grupperna stärkelse, dextrin, pektin, kollagen, äggvita eller kasein, b) blandningens vattenfuktighet, pä basis av totalmas-san, inställes pä 6 - 25 %, 15 c) i snäcksträngsprutningsapparaten frambringas genom kompaktering och skjuvningsverkan en tryck- och tem-peraturstegring för blandningen tili bindemedlets gelsmältning, d) gelsmälta-blandningen tryckavlastas omedelbart efter 20 sin bildning pä sädant sätt att, under spontan expan sion och ängbildning av den finfördelade fukten, en fiber- och/eller spänformkropp bildas, vilken har en gentemot konventionella sädana kroppar lägre täthet och väsentligt tjockare yta. 25
2. Förfarande enligt krav 1, kännetecknat av att säsom bindemedel insättes stärkelse som företrädesvis ätminstone partiellt är ersatta av stärkelse innehällande växtdelar av ätminstone en av grupperna cerealier, kärnfrukter, spannmäl 30 samt stärkelsehaltiga rötter, knölar och stammar i sönderdelat eller nativt tillständ.
3. Förfarande enligt krav 1 eller 2, kännetecknat av att det fiberhaltiga eller fiberformiga materialet utväljes ur ät- 35 minstone en av grupperna träspän, växtfibrer, cellulosa-material, ätervunna cellulosamaterial, pappersmaterial och ätervunna pappersmaterial. 20 93528
4. Förfarande enligt nägot av kraven 1-3, kännetecknat av att gelsmältablandningen upphettas i strängsprutnings-anordningen genoxn verkan av den där skeende mekaniska päfrest-ningen, skjuvningsverkan och tryckupptagningen tili tempera- 5 turer pä mer än 100eC, och komprimeras tili tryck pä 15 tili 600 bar, speciellt i omrädet 20 tili 250 bar.
5. Förfarande enligt nägot av kraven 1-4, kännetecknat av att vid bildningen av gelsmältan i strängsprutnings- 10 anordningen, blandningen underkastas en specifik mekanisk energiinledning ("SME") av 0,05 tili 0,7 kWh/kg, speciellt 0,1 tili 0,3 kWh/kg.
6. Förfarande enligt nägot av kraven 1-5, kännetecknat 15 av att gelsmältablandningen soin omedelbart lämnar strängsprut- ningsapparaten under innehällande av ett expansionsindex pä ätminstone 1,1, speciellt uppgäende till 2 tili 8, underkastas en spontan tryckavlastning. 20
7. Förfarande enligt nägot av kraven 1-6, kännetecknat av att en blandning med en hait av biopolymert bindemedel uppgäende till 5 tili 85 vikts-%, speciellt 10 tili 50 vikts-%, städse pä basis av torr grundmassa, underkastas sträng-sprutningen med expansion. 25
8. Förfarande enligt nägot av kraven 1-7, kännetecknat av att en blandning med en tillsats av ett med vatten bland-bart flytande expansionsmedel ur en av grupperna alkoholer eller ketoner som vid normaltryck kokar i omrädet 70 tili 30 180eC, underkastas strängsprutningen med expansion.
9. Förfarande enligt nägot av kraven 1-8, kännetecknat av att en blandning med ätminstone ett hydrofoberingsmedel som modifierar bindemedlets stärkelsematerial med avseende pä dess 35 egenskaper, vilket medel är hämtat ur ätminstone en av grupperna naturliska eller syntetiska oljor, vaxer, fetter, hartser, kautschukar, paraffiner, silikoner och plaster, underkastas strängsprutningen med expansion. li: 21 93528
10. Förfarande enligt nägot av kraven 1-9, känneteck-nat av att en blandning med ätminstone ett ätminstone bi-funktionellt modifieringsmedel som är i stand att vid sträng-sprutningsbetingelser frambringa förnätningsbryggor mellan 5 molekyler i det biopolymera bindemedlet, företrädesvis stärkelsemolekyler, underkastas strängsprutningen med expansion, varvid modifieringsmedlet ingär i ätminstone en av grupperna kortkedjiga di- eller polykarbonsyror, di- eller poly(ti)oler ooh deras derivat, tertiära aminogrupper innehäl- 10 lande molekyler samt polyfosforsyror.
11. Förfarande enligt nägot av kraven 1-10, känneteck-nat av att ytan av den vid strängsprutningen bildade strängen av smältagelblandningen innan den lämnar strängsprutningsap- 15 paraten päföres en perifert tillförd beläggningsbildande massa, företrädesvis harts eller lim.
12. Förfarande enligt nägot av kraven 1-11, känneteck-nat av att ytan av den vid strängsprutningen bildade strängen 20 av smältagel-blandningen omedelbart innan den lämnar sträng-sprutningsapparaten företrädesvis före avslutningen av den spontana expansionen, tillföres en beläggning.
13. Förfarande enligt nägot av kraven 1-12, känneteck- 25 nat av att den i strängsprutningsapparaten bildade strängen som spontant expanderar omedelbart efter att ha lämnat ap-paraten, underkastas en expansionsbegränsning för uppnäende av ett önskat tvärsnitt resp. en önskad profil. 30
14. Förfarande enligt nägot av kraven 1-13, känneteck- nat av att strängen under den spontana expansionen, företrädesvis under strängbegränsningen, tillföres resp. förbindes med en ytbeläggning, speciellt beläggningsfolie.
15. Anordning för genomförande av förfarandet enligt nägot av kraven 1-14, innefattande anordningar för sönder-delning och/eller konditionering och/eller förblandning av utgängskomponenterna och anordningar för doserade tillförsel av dem tili en strängsprutningsapparat med ätminstone en form- 93528 22 givande strängsprutningsöppning, kännetecknad av att snäck-strängsprutningsapparaten (2, 20), som har anordningar (10, 11, 12) för en dosering av de i fast tillständ tillförbara, styckeformiga resp. i smä bitar föreliggande utgängs-5 komponenterna, har ett uppströms utdrivningsmunstycket (26, 260) anordnat bearbetningsomräde (204) för partiell tryckav-lastning, för en intern partiell expansion av den blandning som skall bearbetas.
16. Anordning för genomförande av förfarandet enligt nägot av kraven 1-14, resp. anordning enligt krav 15, kännetecknad av att den har en väsentligen omedelbart tili strängsprutningsöppningen (26, 260) anslutande anordning (3, 30) för begränsning av strängens (4, 40) spontanexpansion, 15 innefattande avvalsnings- och/eller medlöpningselement (32, 33, 320, 330) vilka kan bringas tili eller inställas pä den ifrägavarande strängrörelsehastigheten.
17. Anordning enligt krav 15 eller 16, kännetecknad av 20 att strängbegränsningsanordningens (3, 30) avvalsningselement (32, 33) är utförda med valsar (32, 33) vilka har adhesions-reducerande, glatt eller strukturerad yta och vilka väsentligen tvärs svängrörelseriktningen är anordnade eller utformade i motsvarighet tili ett önskat tvärsnitt resp. en 25 önskad profil för den expanderade strängen (4, 40) varvid valsarna är medlöpande eller styrbart drivbara motsvarande svängrörelsehastigheten.
18. Anordning enligt nägot av kraven 15 - 17, känneteck-30 nad av att strängbegränsningsanordningens (30) medlöpningselement (320, 330) är bildade med väsentligen i strängrörel-seriktningen och väsentligen med strängrörelsehastigheten drivbara väggelement som är utformade eller anordnade i motsvarighet tili ett önskat tvärsnitt resp. en önskad profil för 35 den expanderade strängen (40) och vilka är utförda med en adhesionsreducerande, glatt eller strukturerad yta.
19. Anordning enligt nägot av kraven 15 - 18, kännetecknad av att den har ätminstone en anordning (5) för den väsent- II 23 93528 ligen med strängrörelsehastigheten skeende kontinuerliga tillförseln av strängbeläggningsfolier (50) mellan strängytan och strängbegränsningsanordningens (3) avvalsnings- och/eller medlöpningselement (32,33). 5
20. Anordning enligt nägot av kraven 15 - 19, känneteck-nad av att strängsprutningsapparaten (2) har flera i rymdmäs-sig närhet till munstycket (26) i strängsprutningsutrymmets utdrivningsomräde (205) over dess inneromkrets fördelat utmyn- 10 nande tillopp (208) för undertryck tillförbara strängytebeläg-gnings- eller belimningsmedier.
21. Användning av en med ätminstone ett vattenfuktigt naturligt fiberhaltigt eller fiberformigt material och ät- 15 minstone ett bindemedel bildad formkropp säsom byggnads-, möbelbyggnads-, struktur-, isoler-, eller förpacknings-material, kännetecknad av att formkroppen har en väsentligen tät strängyta och är bildad med ätminstone en omedelbart efter en strängsprutning spontant expanderad gelsmältablandning, i 20 vilken partiklar av ett i smä delar föreliggande, fiberhaltigt och/eller fiberformigt biogent högmolekylärt material är anordnade inuti en väsentligen strukturgivande matris son har ett flertal hälrum av smä dimensioner, vilken matris är base-rad pä en efter inverkan av förhöjd temperatur, förhöjt tryck 25 och/eller mekanisk päkänning solidifierad smälta av ett med ätminstone ett biopolymert naturligt material ur ätminstone en av grupperna stärkelser, dextriner, pektiner, kollagener, äggvita eller kaseiner bildat bindemedel, varvid andelen bindemedel uppgär till 5 tili 85 vikts-%, företrädesvis 10 30 tili 50 vikts-%, säsom baserat pä torr grundmassa.
22. Användning av en säsom i kravet 21 angiven formkropp, kännetecknad av att den är erhällen genom ett för-farande enligt nägot av kraven 1-14, för det i kravet 21 35 angivna ändamälet.
23. Användning av en säsom i krav 21 eller 22 angiven formkropp, kännetecknad av att den är framställd med en an- 24 9 3 5 2 8 ordning enligt nägot av kraven 15 - 20, för det i kravet 21 nämnda ändamälet.
24. Användning av en säsom i nägot av kraven 21 - 23 5 angiven formkropp, kännetecknad av att den har väsentligen pä varandra ätskilda med smä dimensioner utförda hälrum och en under totaldensiteten för de densamma uppbyggande icke-gasfor-miga komponenterna liggande densiteten av 0,05 tili 1,0 t/m3, företrädesvis frän 0,1 tili 0,4 t/m3, för det i kravet 21 10 nämnda ändamälet.
25. Användning av en säsom i nägot av kraven 21 - 24 angiven formkropp, kännetecknad av att den har en med ytan av den strängsprutade spontant expanderade strängen förbunden 15 beläggning, för det i kravet 21 nämnda ändamälet.
26. Användning av en säsom i nägot av kraven 21 - 25 angiven, speciellt säsom träspän- resp. flatpressplatta, föreliggande formkropp, kännetecknad av att den vid en 20 materialtjocklek i omrädena 13 - 20 - 25 - 32 - 40 - 50 mm har en böjhällfasthet av ätminstone 14,5, 13,5 , 13, 11, 9,5 och 7 N/mm2, för det i kravet 21 nämnda ändamälet. II.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1392/89A AT393272B (de) | 1989-06-07 | 1989-06-07 | Verfahren zur herstellung von extrudierten, direkt expandierten biopolymerprodukten und holzfaserplatten, verpackungs- und isoliermaterialien |
| AT139289 | 1989-06-07 | ||
| AT9000054 | 1990-06-05 | ||
| PCT/AT1990/000054 WO1990014935A1 (de) | 1989-06-07 | 1990-06-05 | Verfahren zur herstellung von neuen formkörpern, insbesondere für strukturelemente, isolierungen und/oder verpackung, vorrichtung zur durchführung des verfahrens sowie insbesondere danach bzw. damit erhaltener formkörper |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI915772A0 FI915772A0 (sv) | 1991-12-09 |
| FI93528B true FI93528B (sv) | 1995-01-13 |
| FI93528C FI93528C (sv) | 1995-04-25 |
Family
ID=3512878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI915772A FI93528C (sv) | 1989-06-07 | 1991-12-09 | Produktionsförfarande för bygg, konstruktions- och förpackningsmaterial samt anordningar för genomförande av detsamma |
Country Status (22)
| Country | Link |
|---|---|
| US (2) | US5916503A (sv) |
| EP (1) | EP0477203B1 (sv) |
| AT (2) | AT393272B (sv) |
| AU (1) | AU5745490A (sv) |
| BG (1) | BG60480B1 (sv) |
| CA (1) | CA2062789C (sv) |
| CZ (1) | CZ284602B6 (sv) |
| DD (1) | DD297931A5 (sv) |
| DE (1) | DE59002765D1 (sv) |
| DK (1) | DK0477203T3 (sv) |
| ES (1) | ES2044591T3 (sv) |
| FI (1) | FI93528C (sv) |
| GR (1) | GR1000952B (sv) |
| HU (1) | HU218006B (sv) |
| NO (1) | NO305890B1 (sv) |
| PL (1) | PL167417B1 (sv) |
| PT (1) | PT94291A (sv) |
| RU (1) | RU2105776C1 (sv) |
| SK (1) | SK280207B6 (sv) |
| WO (1) | WO1990014935A1 (sv) |
| YU (1) | YU47162B (sv) |
| ZA (1) | ZA904138B (sv) |
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| FR3093456A1 (fr) * | 2019-03-06 | 2020-09-11 | Compagnie Generale Des Etablissements Michelin | Mécanisme de Sortie d’un Mélangeur à Bi-Vis Conique Convergente |
| RU2745895C1 (ru) * | 2020-03-26 | 2021-04-02 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Воронежский государственный университет инженерных технологий" (ФГБОУ ВО "ВГУИТ") | Способ производства биоразлагаемой упаковки из вторичных материальных ресурсов пищевых производств |
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1989
- 1989-06-07 AT AT1392/89A patent/AT393272B/de not_active IP Right Cessation
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1990
- 1990-05-30 ZA ZA904138A patent/ZA904138B/xx unknown
- 1990-06-04 YU YU108690A patent/YU47162B/sh unknown
- 1990-06-05 DD DD90341331A patent/DD297931A5/de not_active IP Right Cessation
- 1990-06-05 RU SU5010787A patent/RU2105776C1/ru not_active IP Right Cessation
- 1990-06-05 HU HU209/90A patent/HU218006B/hu not_active IP Right Cessation
- 1990-06-05 CA CA002062789A patent/CA2062789C/en not_active Expired - Fee Related
- 1990-06-05 DK DK90908156.4T patent/DK0477203T3/da not_active Application Discontinuation
- 1990-06-05 GR GR900100426A patent/GR1000952B/el unknown
- 1990-06-05 US US07/777,350 patent/US5916503A/en not_active Expired - Fee Related
- 1990-06-05 EP EP90908156A patent/EP0477203B1/de not_active Expired - Lifetime
- 1990-06-05 ES ES90908156T patent/ES2044591T3/es not_active Expired - Lifetime
- 1990-06-05 DE DE90908156T patent/DE59002765D1/de not_active Expired - Fee Related
- 1990-06-05 AU AU57454/90A patent/AU5745490A/en not_active Abandoned
- 1990-06-05 AT AT90908156T patent/ATE94456T1/de not_active IP Right Cessation
- 1990-06-05 WO PCT/AT1990/000054 patent/WO1990014935A1/de active IP Right Grant
- 1990-06-06 PT PT94291A patent/PT94291A/pt not_active Application Discontinuation
- 1990-06-06 PL PL90285503A patent/PL167417B1/pl unknown
- 1990-06-07 CZ CS902832A patent/CZ284602B6/cs not_active IP Right Cessation
- 1990-06-07 SK SK2832-90A patent/SK280207B6/sk unknown
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1991
- 1991-12-03 NO NO914747A patent/NO305890B1/no not_active IP Right Cessation
- 1991-12-06 BG BG95583A patent/BG60480B1/bg unknown
- 1991-12-09 FI FI915772A patent/FI93528C/sv active
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Owner name: RETTENBACHER, MARKUS |