WO1997049531A2 - Method for manufacturing bamboo chips and bamboo wool, as well as product manufactured from bamboo chips and/or bamboo wool - Google Patents
Method for manufacturing bamboo chips and bamboo wool, as well as product manufactured from bamboo chips and/or bamboo wool Download PDFInfo
- Publication number
- WO1997049531A2 WO1997049531A2 PCT/NL1997/000364 NL9700364W WO9749531A2 WO 1997049531 A2 WO1997049531 A2 WO 1997049531A2 NL 9700364 W NL9700364 W NL 9700364W WO 9749531 A2 WO9749531 A2 WO 9749531A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bamboo
- wool
- chips
- culms
- bamboo chips
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like
- B27L11/04—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like of wood wool
-
- 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
-
- 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
- B27N5/00—Manufacture of non-flat articles
Definitions
- the invention concerns a method for manufacturing bamboo chips, comprising the steps of roughly splitting lengthwise bamboo culms and thereafter finely chipping the roughly splitted bamboo.
- bamboo chips may be used as a basic material for the manufacturing of furniture or building elements.
- Use of bamboo in stead of wood has a number of great advantages. For instance, it is generaly known that bamboo fibres are as strong as steel. Further bamboo grows with great vitality in relatively poor soils all year long, and it is possible to permanently crop from it. This process can be sustained for very long periods of time. Properly managed bamboo plantations can give way to a long term sustainable economic activity that is not harmful to the environment, otherwise as in the case of wood plantations. The productivity of the plant is very high, so there is no need for great extensions of mono cultivation.
- bamboo fibres require far less energy to be extracted, as compared with wood fibres.
- the main advantage of bamboo is the high quality of bamboo fibres, which are wider and longer than hardwood fibres, fact from where superior quality products can be achieved using the procedures described above. A method as descibed in the opening paragraph is known from document
- EP 0666 155 A 1 A disadvantage of this known method is that the quality of the bamboo chips is not optimum.
- the method according to the present invention is characterized in that, before roughly splitting the bamboo culms first the bamboo culms are peeled. It has been appeared that the material of the peel is of worse quality than that of the culms. By removing the peel from the bamboo culms before further processing the culms into bamboo chips, the quality of the bamboo chips will be improved.
- the peeling of takes preferably place by bringing the bamboo culms on and/or between rotatings rolls provided with knifes or sharp projections.
- the splitting takes preferably place by driving a conical bar through the hollow bamboo culm. It has been appeared that by this method the bamboo culms split at a great number of places equally distributed along the circumference, so that the desired result is obtained in a simple manner.
- An embodiment of the method according to the invention is characterized in that, before roughly splitting the bamboo culms the nodes are removed from the bamboo culms. It also has been appeared that the material of the nodes is of worse quality than that of the culms. By also removing the nodes from the bamboo culms before further processing the culms into bamboo chips, the quality of the bamboo chips will be improved further.
- the removal of the nodes takes preferably place by sawing or cutting through the bamboo culms at each side of or at the place of a node.
- the chips are preferably washed.
- the washing takes preferably place by washing with a borax solution of 1 to 5 %, more preferably with a borax solution of 3 %.
- the invention further concerns a method for manufacturing bamboo wool, whereby first bamboo culms are chipped into bamboo chips.
- bamboo wool has approved to be very suitable for use as raw material for the manufacturing of boards and profiles.
- the method for manufacturing bamboo wool according to the present invention is characterized in that, the bamboo chips are softened and hammered.
- the bamboo chips used for this method are preferably manufactured by the aforesaid method according to the present invention.
- the softening of bamboo chips takes preferably place by adding steam to the bamboo chips.
- the hammering takes preferably place by introducing the bamboo chips in a rotating drum containing balls. By this step the final wool structure will be obtained.
- the adding of steam takes place during the aforesaid hammering process by injecting the steam into the drum. By this the softening process will progress better and faster.
- the invention further concerns a method of manufacturing a product from bamboo chips and/or bamboo wool.
- the bamboo chips and or bamboo wool used for manufacturing products are preferably obtained by the above described methods according to the present invention.
- the method for manufacturing products according to the present invention is characterized in that, the bamboo chips and/or wool are dried and after drying glue is added and the mixture is pressed in a mould.
- the bamboo chips and/or wool are preferably dried to a humidity of between 5 to 20%, more preferably to a humidity of between 10 to 12%.
- the glue is Urea Formaldehyde and the glue is added in a proportion between 3 to 30% by weight, more preferably between 5 to 20% by weight, depending on the desired strength of the product.
- the mixture of glue and bamboo chips and/or wool is preferably pressed at a pressure of 10 to 20 Mpa, more preferably at a pressure of about 15 Mpa, for the polymerization of the glue.
- the mixture of glue and bamboo chips and/or wool is heated at a temperature between 80 and 120 degrees Celcius. preferably between 90 and 110 degrees Celcius.
- the invention further concerns bamboo chips and wool and products manufactured according to the above described methods.
- the invention will be elucidated more fully below by means of drawings in which examples of the methods and products according to the invention are shown. Herein shows:
- Figure 1 a part of a cut off bamboo culm
- Figure 2 the sawing through of the bamboo culm
- Figure 3 the peeling of the bamboo culm
- Figure 4 the roughly splitting of the bamboo culm
- Figure 6 products manufactured from bamboo
- Figure 7 the processing of bamboo chips into bamboo wool; and Figure 8 a product manufactured from bamboo wool.
- Figure 1 shows a cutted trough bamboo culm 1.
- the bamboo culms are hollow and have nodes 3 at distances from each other in the lenghtwise direction.
- the culms have bamboo fibres 5 which extend in the lengthwise direction of the bamboo culm.
- the bamboo culms are proposed to be brought for production when ripe and before the process of drying starts.
- the culms are harvested preferably between three and four and a half years old. Preferably those are used that have a culm diameter of 10 cm and above and wall thickness of 6 mm and above.
- the bamboo culms 1 are sawed into pieces of more or less equal lengths by means of a circular saw 7 with vertical movement.
- the bamboo culms 1 are moved intermittent under the saw 7 by rolls 9 . During this process also the nodes 3 are removed by sawing through the culms close to and at each side of a node or at the place of a node.
- the second step comprises the elimination of the external cuticular 11 of the bamboo culm 1.
- the peel is eliminated, as is shown in figure 3, by high speed rotation of rolls 13 provided with knifes or sharp projections (not shown in the figure) on which the bamboo culm 1 is brought to rest.
- the peeling will take only a few seconds in this way.
- the culms are ready for further processing, but they must keep their natural humidity content.
- the third step comprises the splitting of the culms, as is shown in figure 4.
- This operation is carried out by introducing a slightly conical bar (not shown in the figure) inside the bamboo culm 1.
- the conical bar hereby introduces radial forces on the wall of the bamboo culm (see arrows in the figure) by which the culm splits in a number of longitudinal pieces 15.
- these longitudinal pieces 15 are inserted in a machine 17, which process them into small bamboo chips 19 in a known manner, see figure 5.
- These bamboo chips 19 are preferably of a maximum size of 3 mm, and are the raw basic material for the manufacturing of boards 21 and solid profiles 23, see figure 6. After this the bamboo chips are washed with a 3% borax solution to get rid of impurities and for preservation purposes.
- the bamboo chips may be processed first to bamboo wool, which wool then may be used as a basic material.
- bamboo chips 23 preferably of a length between 1 and 3 cm, are inserted in a rotating drum 25 containing steel balls 27. as shown in figure 7.
- steam 29 is injected. This is a process of softening, in order to free the small fibres from the surrounding biomass, mainly lignins.
- the bamboo fibres are thereafter separated by further washing and screening, from where a sort of wool is produced.
- the bamboo chips and/or bamboo wool are dried to a humidity content of between 10 to 12%. After drying the bamboo chips and/or bamboo wool are mixed with an agglutinant. Urea Formaldehyde, in a proportion between 5 to 20% by weight depending on the desired strength. After this the mixture is mold pressed, under conditions that depend on the specification of the final desired product. For instance at a pressure of 15 MPa and a temperature between 90 to 100 degrees Celsius and during a time of 5 minutes. By this way, a medium density bamboo board is produced, to desired dimensions, as is shown in figure 6. Depending on the final use of the product, several glue types can be used, and the type of glue defines whether hot or cold pressing will be necessary. In any case, the mixture is set in molds and processed.
- FIG. 8 shows such a building profile 31. Because of their strength bamboo wool can also be used to manufacture reinforcement profiles, like bars 33 as is shown in figure 8. It will be apparent that profiles with many different cross-sections can be obtained in this way.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU31943/97A AU3194397A (en) | 1996-06-27 | 1997-06-27 | Method for manufacturing bamboo chips and bamboo wool, as well as product manufactured from bamboo chips and/or bamboo wool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1003451 | 1996-06-27 | ||
NL1003451A NL1003451C1 (en) | 1996-06-27 | 1996-06-27 | Method for manufacturing bamboo chips and bamboo wool, as well as a product made from bamboo wool and / or bamboo chips. |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997049531A2 true WO1997049531A2 (en) | 1997-12-31 |
WO1997049531A3 WO1997049531A3 (en) | 1998-04-09 |
Family
ID=19763094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL1997/000364 WO1997049531A2 (en) | 1996-06-27 | 1997-06-27 | Method for manufacturing bamboo chips and bamboo wool, as well as product manufactured from bamboo chips and/or bamboo wool |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3194397A (en) |
NL (1) | NL1003451C1 (en) |
WO (1) | WO1997049531A2 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000054947A1 (en) * | 1999-03-17 | 2000-09-21 | Handay Sendayung | A method for producing sheet or board of bamboo trees fibers |
CN1068820C (en) * | 1998-04-02 | 2001-07-25 | 程丰原 | Making method of bamboo blind blades |
WO2002012397A2 (en) * | 2000-08-10 | 2002-02-14 | Masonite Corporation | Fibrous composite articles and method of making the same |
CN108818805A (en) * | 2018-08-20 | 2018-11-16 | 童双喜 | A kind of production technology for building bamboo frame plate |
CN110127657A (en) * | 2019-06-17 | 2019-08-16 | 陈贞辉 | A kind of preparation method of the energy conversion catalyst based on vegetable material |
WO2020065503A3 (en) * | 2018-09-24 | 2020-05-14 | Dalrymple Smith Terrot | Natural plant fibre based construction products and their manufacture, and construction methods using the products |
CN111185981A (en) * | 2019-12-26 | 2020-05-22 | 湖州南浔利开木制品厂 | Bamboo softening device for processing steam type bamboo floor |
CN112223458A (en) * | 2020-09-23 | 2021-01-15 | 曾新和 | Automatic broken piece of mao bamboo shreds equipment |
CN112248151A (en) * | 2020-09-23 | 2021-01-22 | 曾新和 | Bamboo article processing lines |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2002326C2 (en) * | 2008-07-28 | 2010-01-29 | Moso Internat B V | Method for manufacturing a strand woven bamboo product. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1713683A (en) * | 1927-11-28 | 1929-05-21 | Wensel Theodor | Method of treating long-grained fibrous materials |
GB1126493A (en) * | 1964-07-22 | 1968-09-05 | Boothe Miller Robert | Sugarcane processing |
WO1996009921A1 (en) * | 1994-09-29 | 1996-04-04 | Shui Fong Chan | Structural board |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04151202A (en) * | 1990-10-15 | 1992-05-25 | Giken Naisou:Kk | Manufacture of odorless dry distilled bamboo |
JPH05239791A (en) * | 1992-02-25 | 1993-09-17 | Tootaru In:Kk | Paper comprising bamboo material as raw material |
JP2502903B2 (en) * | 1992-12-22 | 1996-05-29 | 芙蓉工業株式会社 | Bamboo particle board manufacturing method |
-
1996
- 1996-06-27 NL NL1003451A patent/NL1003451C1/en not_active IP Right Cessation
-
1997
- 1997-06-27 AU AU31943/97A patent/AU3194397A/en not_active Abandoned
- 1997-06-27 WO PCT/NL1997/000364 patent/WO1997049531A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1713683A (en) * | 1927-11-28 | 1929-05-21 | Wensel Theodor | Method of treating long-grained fibrous materials |
GB1126493A (en) * | 1964-07-22 | 1968-09-05 | Boothe Miller Robert | Sugarcane processing |
WO1996009921A1 (en) * | 1994-09-29 | 1996-04-04 | Shui Fong Chan | Structural board |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 016, no. 438 (M-1309), 11 September 1992 & JP 04 151202 A (GIKEN NAISOU:KK), 25 May 1992, * |
PATENT ABSTRACTS OF JAPAN vol. 017, no. 708 (C-1147), 24 December 1993 & JP 05 239791 A (TOOTARU IN:KK), 17 September 1993, * |
PATENT ABSTRACTS OF JAPAN vol. 095, no. 001, 28 February 1995 & JP 06 293008 A (FUYO KOGYO KK), 21 October 1994, * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1068820C (en) * | 1998-04-02 | 2001-07-25 | 程丰原 | Making method of bamboo blind blades |
WO2000054947A1 (en) * | 1999-03-17 | 2000-09-21 | Handay Sendayung | A method for producing sheet or board of bamboo trees fibers |
WO2002012397A2 (en) * | 2000-08-10 | 2002-02-14 | Masonite Corporation | Fibrous composite articles and method of making the same |
WO2002012397A3 (en) * | 2000-08-10 | 2002-05-30 | Masonite Corp | Fibrous composite articles and method of making the same |
US6841231B1 (en) | 2000-08-10 | 2005-01-11 | Masonite Corporation | Fibrous composite article and method of making the same |
CN1326941C (en) * | 2000-08-10 | 2007-07-18 | 梅森奈特公司 | Fibrous composite articles and method of making the same |
US7413692B2 (en) * | 2000-08-10 | 2008-08-19 | Masonite Corporation | Fibrous composite articles and method of making the same |
CN108818805B (en) * | 2018-08-20 | 2020-11-24 | 童双喜 | Production process of building bamboo frame plate |
CN108818805A (en) * | 2018-08-20 | 2018-11-16 | 童双喜 | A kind of production technology for building bamboo frame plate |
WO2020065503A3 (en) * | 2018-09-24 | 2020-05-14 | Dalrymple Smith Terrot | Natural plant fibre based construction products and their manufacture, and construction methods using the products |
CN110127657A (en) * | 2019-06-17 | 2019-08-16 | 陈贞辉 | A kind of preparation method of the energy conversion catalyst based on vegetable material |
CN111185981A (en) * | 2019-12-26 | 2020-05-22 | 湖州南浔利开木制品厂 | Bamboo softening device for processing steam type bamboo floor |
CN111185981B (en) * | 2019-12-26 | 2021-08-13 | 浏阳市恒生竹业有限公司 | Bamboo softening device for processing steam type bamboo floor |
CN112223458A (en) * | 2020-09-23 | 2021-01-15 | 曾新和 | Automatic broken piece of mao bamboo shreds equipment |
CN112248151A (en) * | 2020-09-23 | 2021-01-22 | 曾新和 | Bamboo article processing lines |
CN112223458B (en) * | 2020-09-23 | 2021-12-03 | 曾新和 | Automatic broken piece of mao bamboo shreds equipment |
Also Published As
Publication number | Publication date |
---|---|
NL1003451C1 (en) | 1998-01-07 |
AU3194397A (en) | 1998-01-14 |
WO1997049531A3 (en) | 1998-04-09 |
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