EP1824650A2 - Verbundbauteil aus flachsfaserst[ngeln - Google Patents
Verbundbauteil aus flachsfaserst[ngelnInfo
- Publication number
- EP1824650A2 EP1824650A2 EP05826428A EP05826428A EP1824650A2 EP 1824650 A2 EP1824650 A2 EP 1824650A2 EP 05826428 A EP05826428 A EP 05826428A EP 05826428 A EP05826428 A EP 05826428A EP 1824650 A2 EP1824650 A2 EP 1824650A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stem
- carrier material
- composite
- sections
- composite component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 241000208202 Linaceae Species 0.000 title abstract description 17
- 235000004431 Linum usitatissimum Nutrition 0.000 title abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000012876 carrier material Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 239000011265 semifinished product Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 238000003306 harvesting Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- B27N1/00—Pretreatment of moulding material
-
- 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
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- 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
- B27N3/06—Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
Definitions
- the invention relates to a composite component of Flachsfaserstängeln, a process for its preparation and a corresponding device.
- Natural fiber composites (hereinafter composite components) are well known in the art.
- the main criterion for use here is a favorable crash behavior, a relatively low density, relatively good heat resistance for the component manufacturing process, low abrasiveness of the fibers and a CO 2 - neutrality in the context of thermal disposal.
- DE 19 732 077 A1 describes a process for the treatment and processing of renewable raw materials.
- pretreatment of the renewable raw materials should be omitted and the use of plants as a whole and in the still green state.
- the core idea of this application is the use of the plant's own ingredients as a binder for the actual component production, whereby the plant is to be utilized as a whole.
- Targeted use of the natural fibers for reinforcement purposes is not taken into account, so that an application for loaded components is eliminated.
- the object of the invention in the creation of a composite component of fiber plant stems of flax, as well as embodiments of apparatus for producing the composite component, which consists of untreated, unroasted, field dry flat stems.
- the objective here is to minimize the technical and technological effort by existing harvesting technology is used, the flax fiber stalks should be used in its entirety and so the treatment costs can be significantly reduced, as well as a costly field roasting eliminates the stem processing only to increase the surface Crushing is realized and existing manufacturing facilities can be used for component manufacturing.
- a significant cost reduction for the fiber stiffener reinforced composite component can be achieved.
- the Flachsfaserstängel be stored with conventional harvesting equipment in parallel position for field drying and, if necessary, turned around, are recovered with a baler to round bales for further processing also in parallel position from the field, with a baler also in parallel position from Field salvaged and so provided for further processing become.
- the removal of root components and seed capsules takes place after the round bale has been unrolled with a conventional device.
- the stems in parallel position are cut into defined stalk sections, preferably 1 to 15 cm in length.
- these shortened stem sections are squeezed on the surface via a crimping shear mill so that neither the fiber structure is damaged nor a detachment of individual stem constituents from the fiber is effected.
- the thus prepared stem sections are then preferably sprinkled onto a support structure, in particular while maintaining the fiber orientation and tied technically to sheet semi-finished or fed directly after sprinkling the component production by means of pressing technology.
- FIG. 1 the preparation of the flat-stem sections are shown in FIG. 1, and the production of the semi-finished products according to the invention for corresponding composite components is shown in FIG.
- the flax fiber stems are provided in bales with parallel rod layer 1 for further processing.
- transport rollers 3 are arranged for transport support.
- Root and seed capsule ingredients are preferably derived for further processing from the processing process, so that only stems with approximately homogeneous length are further processed.
- These stems are then cut with separating knives 5 in about 1 to 15 cm large stalk sections 6, which are fed via a conveyor belt 4 for further processing a buffer tank 7.
- a technical solution concept for the processing of whole stems of the flax plant is conceived, which can be realized using available harvesting technology as well as known harvesting processes.
- the entire plant stems can be processed without the usual field roasting with reduced field rest periods, whereby a significantly higher crop yield is achieved, the stem-based fiber structure can be completely preserved and at the same time considerable processing costs can be saved.
- stem sections 6 For further processing of the stem sections 6, they are fed in a precisely metered manner via a spreading device 8 to a squeezing device 10.
- a squeezing device 10 About the squeezing device 10 is a targeted surface modification of the stem sections 6 to ensure in the subsequent processing that optimal integration into appropriate matrix systems is possible by the surface is broken by the squeezing, but only so far that all plant components are preserved and fiber damage not respectively. Only then can a very high degree of utilization of plant stems be achieved.
- After crushing the stem sections 6, these are sprinkled onto a lower substrate 9, in particular while maintaining the fiber orientation, before an upper substrate 11 is applied over the stem mat 15.
- the fixation of the stem mat 15 can be carried out both by using sewing technology principles of the fixing device 12, but it can also be used according to prior binder for solidification of the stem mat 15 appropriate binder.
- the storage is done either in a semi-finished roll 13 or in the form of stacked flat blanks. All other stages of processing up to component production can be carried out in a known manner.
- the composite component comprises a stem mat 15 of field-side untreated, unroasted, field dry and crushed Flachsfaserstängel- sections 6 in random distribution or orderly alignment substantially between a lower substrate 9 and an upper substrate 11th
- the stem portions 6 of the composite component are not present in these in loose form, but are bonded to an upper and lower substrate 9, 11.
- Particularly preferred materials for incorporation of the stem sections 6 are polyolefins, in particular polyethylene and / or Polypropylene, polyester or mixtures thereof. Alternative materials can also be used.
- the plant fiber stalk sections 6 can be made of any material, it is particularly preferred for the purposes of the present invention that the fiber stalk sections 6 contain flax fibers.
- the stem sections 6 consist of flax fibers.
- the weight ratio of the carrier material 9, 11 to the stem portions 6 can be varied within wide limits.
- a composite component which contains 45 to 85% by weight of the stalk sections is particularly preferred.
- Stem sections 6 with a length of 1 to 15 cm, in particular 3 to 10 cm, are within the meaning of the present invention.
- the composite component according to the invention which consists essentially of fixed stem sections 6, further surface layers, such as decorative layers and optionally additional material components such as natural fiber, polyester, viscose nonwovens, with PP , PE, PA coated cover layers and support materials, which are incorporated by the structuring tool or applied.
- a further embodiment of the present invention comprises a method for producing components according to the invention.
- the method thus defined is characterized in that one (a) untreated, unroasted, field dry, root and seed component-free flax fiber stalks are shortened into defined stalk sections 6 and pretreated by means of a squeeze / shear mill,
- a further embodiment of the present invention comprises an apparatus for producing composite components defined above.
- This device comprises a tool with correspondingly arranged separating tools 2, which free flax fiber stems from root and seed components, separating knives 5 for producing stalk sections 6 at a variable distance, squeezing devices 10, depositing devices with transport rollers 3 for a lower carrier material 9, in particular while maintaining the fiber orientation below the squeezing device 10, scatterers 8 for sprinkling the stem portions 6 on the lower substrate 9, fixing 12 for fixing the stem portions 6 on the lower substrate 9, transport 16 to transport the with the with the
- Stem sections 6 provided lower substrate 9 to a Pressure roller pair 14, transport means 16 for depositing the upper substrate 11 on the provided with stem sections 6 lower substrate 9 and for transport to Andschreibwalzencru 14 and winding means for producing a semi-finished roll 13 and / or a punching device for producing a flat blank.
- the squeezing device 10 comprises structured counter-rotating pairs of rollers 17, which are arranged to each other adjustable in terms of the process gap as well as in their speed and also the speed.
- a further preferred device of the present invention is characterized by an additional device for the completion of the composite components following the fixing device 12.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410060741 DE102004060741A1 (de) | 2004-12-15 | 2004-12-15 | Verbundbauteil aus Pflanzenfaserstängeln |
| PCT/EP2005/056686 WO2006063975A2 (de) | 2004-12-15 | 2005-12-12 | Verbundbauteil aus flachsfaserstängeln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1824650A2 true EP1824650A2 (de) | 2007-08-29 |
| EP1824650B1 EP1824650B1 (de) | 2015-08-12 |
Family
ID=35871141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05826428.4A Ceased EP1824650B1 (de) | 2004-12-15 | 2005-12-12 | Verfahren und vorrichtung zur herstellung von verbundbauteilen aus flachsfaserstängeln und hergestellte verbundbauteile |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1824650B1 (de) |
| DE (1) | DE102004060741A1 (de) |
| WO (1) | WO2006063975A2 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007019849B3 (de) * | 2007-04-25 | 2008-09-04 | Carmen Hock-Heyl | Verfahren zur Herstellung einer eigenstabilen Werkstoffplatte |
| EP1932643A3 (de) * | 2006-12-11 | 2009-01-21 | Hock-Heyl Carmen | Verfahren zur Herstellung eines verleimbaren Werkstoffes aus Faserpflanzen und daraus hergestellte Werkstoffplatten |
| DE202008006895U1 (de) | 2008-05-19 | 2008-07-24 | Perick Management Gmbh | Verbundstruktur |
| DE102008046770A1 (de) | 2008-09-11 | 2010-03-18 | Polytec Automotive Gmbh & Co. Kg | Direktcompoundieren von Naturfasern |
| WO2013127733A1 (de) * | 2012-02-29 | 2013-09-06 | Johnson Controls Interiors Gmbh & Co. Kg | Verfahren zur herstellung eines mattenförmigen halbzeugs aus naturfaser und verwendung eines mattenförmigen halbzeugs |
| CN118682868B (zh) * | 2024-07-24 | 2025-12-26 | 上海康拜环保设备有限公司 | 一种收割机机载式棉秆脱粒装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1143415A (en) * | 1965-05-21 | 1969-02-19 | Unilin | Process for the production of panels or boards from flax fibers and/or wood chips |
| DE3602381A1 (de) * | 1986-01-28 | 1987-07-30 | Guenter Ikemann | Verfahren zur herstellung von platten- oder blockfoermigen bauelementen aus bei der getreideernte anfallenden strohmaterialien |
| DK162535C (da) * | 1989-11-30 | 1992-03-30 | Dansk Hoerindustri As | Hoerfiberfiltplade |
| DE9314552U1 (de) * | 1993-09-25 | 1994-01-05 | Gröpper, Inge, 59065 Hamm | Verbundwerkstoff aus Fasern oder Halmen |
| US5730830A (en) * | 1995-12-26 | 1998-03-24 | Haddonfield Management Co. Ltd. | Fiber panel manufacturing method and apparatus |
| DE19618271C2 (de) * | 1996-05-07 | 1999-10-28 | Edmund Zimmermann | Verfahren zur Herstellung von Formkörpern aus fasrigen Pflanzenteilen und/oder Naturfasern und entsprechende Formkörper |
| DE19732077A1 (de) * | 1997-07-25 | 1999-01-28 | Boettcher Silvio | Verfahren zur Behandlung und Verarbeitung von nachwachsenden Rohstoffen |
| DE19744988A1 (de) * | 1997-10-13 | 1999-04-15 | Ilse Schoettle | Verfahren zur Herstellung von flächigen Halbzeugen aus Flachs |
| DE19810862C2 (de) * | 1998-03-13 | 2002-07-18 | Alsen Ag | Dämmplatte aus Stroh und Verfahren zur Herstellung |
| DE19822485A1 (de) * | 1998-05-19 | 1999-11-25 | Kvaerner Panel Sys Gmbh | Verfahren zum Herstellen von Formkörpern |
-
2004
- 2004-12-15 DE DE200410060741 patent/DE102004060741A1/de not_active Withdrawn
-
2005
- 2005-12-12 WO PCT/EP2005/056686 patent/WO2006063975A2/de not_active Ceased
- 2005-12-12 EP EP05826428.4A patent/EP1824650B1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006063975A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006063975A2 (de) | 2006-06-22 |
| WO2006063975A3 (de) | 2006-08-03 |
| DE102004060741A1 (de) | 2006-06-29 |
| EP1824650B1 (de) | 2015-08-12 |
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