CN1217955A - Method of glueing and device therefor - Google Patents
Method of glueing and device therefor Download PDFInfo
- Publication number
- CN1217955A CN1217955A CN98122320A CN98122320A CN1217955A CN 1217955 A CN1217955 A CN 1217955A CN 98122320 A CN98122320 A CN 98122320A CN 98122320 A CN98122320 A CN 98122320A CN 1217955 A CN1217955 A CN 1217955A
- Authority
- CN
- China
- Prior art keywords
- adhesive
- parts
- applicator roll
- equipment
- mane
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
methods of continuous uniform continuous application of adhesive and/or hardener to pieces of material with various height. Method includes continuous supply of material pieces through rolling adhesive-distributing device and continuous application of adhesive and/or hardener to at least one of piece surfaces. In so doing, material pieces are supplied between at least one pressing roller, and one or more rollers applying adhesive and/or hardener to piece surfaces. Pressing roller has a cylinder with flexible bristles. Adhesive and/or hardener is uniformly applied to surface of surfaces of material. This present invention relates to the equipment of said method also.
Description
The present invention relates to a kind of material such as timber, plastics or metal of giving, for example give to be used to make continuous, the even coating adhesive of wooden plate of furniture and/or the method for curing agent with different size.Method of the present invention comprises the surface that adhesive and/or curing agent is coated on continuously, equably the parts that will connect by gummed.The invention still further relates to the used equipment of this method.
Mode by the rotation roller is a kind of common method with at least one surface that adhesive (the following used term " adhesive " of the present invention refers to comprise one or both components of one-package adhesive, two component adhesive, i.e. adhesive and/or hardener component) is coated on parts that will be glued together synchronously.Adhesive can be coated on the upper surface or the lower surface (single-sided adhesive coating) of material that will be glued together, perhaps two surfaces (double-sided adhesive coating).
The roll coater that is respectively applied for the coating of single or double adhesive is a conventional equipment known in the art.As describing in EP-A-0 550 918, the roll coater of single-sided adhesive coating can comprise feed roller, applicator roll and drawout roller, also has shown in Fig. 1 of the present invention.
The drawout roller is used for accurately adjusting the coating weight of adhesive.The surface of applicator roll has groove.For example, if applicator roll has suitable 150g/m
2The groove line, then can regulate adhesive coating weight ± 10g/m by the drawout roller
2Comprise that in addition the adhesive pallet replaces the roll coater of drawout roller.No matter which kind of coating machine is the coating weight of regulating adhesive, all needs to adjust respectively the distance of applicator roll and drawout roller and adhesive pallet.In order to obtain suitable viscose glue dosage, key is correctly to select the groove line of applicator roll.
Need the material of coating adhesive or the varied in thickness between the different parts to be generally pact ± 0.5mm.For adhesive evenly is coated with completely whole surface continuously, key is that material is wanted to contact with applicator roll continuously.This can realize by apply the power that reacts on applicator roll to material.In single-sided adhesive coating operation, this pressure can obtain (latter get along well adhesive contact) by regulating distance between applicator roll and the feed roller, and in two single-sided adhesive coating operations, by regulating the distance between applicator roll and the feed roller.And, concerning the adhesive coating of one type of front, when not using feed roller, according to the position at applicator roll place be the horizontal plane of said roller upper space be positioned at slightly transmission/feed roller horizontal plane above, only can utilize the gravity of parts itself, yet this power is not enough, and when parts pass roll coater, parts will rest in the applicator roll place.At this moment, parts can overturn and/or tilt.
Produce wooden gummed spare, particularly during furniture parts, the plate of many differing heights (or width, in laminated product, when plate is compressed together) is being assembled into integral body glued together.For example production length and width are respectively 600 and the seat support of 500mm.These seat supports may comprise different in width but length is all the 5-15 piece plate of 600mm mutually.The width of seat support is 500mm but can be made by 5-15 piece plate.With these piece of furniture for example by hot pressing, cold pressing or high-speed production lines on glued together.
The lower surface that uses single-sided adhesive to be coated with plate carries out continuous adhesive coating.Plate is placed on the apparatus for feeding of adhesive coating machine, needs facing down of coating adhesive, and its length is along the feedstock direction linear array, and be transported and pass through applicator roll.Because plate has different height and thickness, they also will have different weight, the result, concerning some parts, its shortage in weight with impel on said parts and the applicator roll adhesive continuously, closely contact, to carry out continuously coating adhesive equably in order taking a risk thus, not have the applied adhesive of going up, perhaps be coated with inadequately and be left a part of lower surface.Consequently obtain inhomogeneous or discontinuous adhesive coating weight, and have to lose the quality of large-scale production.Most of parts, particularly wooden materials as material do not have desired shapes, and usually are, are crooked and/or tortuous shape at least some degree, and above problem often occurs.
Therefore, for obtaining evenly continuous adhesive coating, the conventional roll coater that comprises feed roller that can use the above-mentioned type to size very nearly the same as ± material of the different size of 0.5mm carries out continuous adhesive coating.When the size difference is big, and can not use feed roller thus, it is even discontinuous the adhesive crawling to have occurred, and the parts that will glue together tilt to cause to produce the problem of inferior product and a large amount of waste products.Inclination is along the laterally stable inadequately result who causes of required vertical direction parts in the whole adhesive coating operation.The conventional inadequate mode of adhesive coating weight that solves is to improve the height of applicator roll upper space with respect to apparatus for feeding, so that guarantee parts and suitable the contacting of adhesive, and this moment, tilt problem increased thus.In addition, parts also increase in the danger of feedstock direction upset.
Therefore, the invention provides a kind of method and the used equipment of this method, solve the problems referred to above.The method according to this invention can be carried out adhesive and/or curing agent coating uniformly continuously to the parts of differing heights material.This method comprises at least one surface of said parts being sent into roll coater continuously and continuously adhesive and/or curing agent being coated said parts.Material components is used for charging between the adhesive of coating surface and/or the curing agent applicator roll at least one pressure roller and one or several equipment, said pressure roller comprises that one is equipped with the cylinder of flexible mane, thus said adhesive and/or curing agent is uniformly coated on the surface of said material.
Bending when preferred flexible mane can contact with all parts of differing heights material makes adhesive and/or curing agent evenly coat said parts.Equip the suitable width that surpasses the feed material parts of width of the cylinder of flexible mane, provide lateral stability said parts.
The suitable adhesive that uses of the present invention can be selected from urea-formaldehyde adhesive, melamine urea-formaldehyde adhesive, phenolic aldehyde-resorcinol adhesive, polyvinyl acetate based adhesive, emulsion polymerisation isocyanate adhesive and polyurethane binder.
The present invention is required for protection to be used for adhesive and/or curing agent are coated synchronously, evenly, continuously the equipment of the material components that has relative differing heights mutually, comprises feed arrangement, one or several applicator roll that transports said material components and the device that is used for providing adhesive and/or curing agent to each applicator roll.It comprises at least one flexible pressure roller, and this roller comprises the cylinder of equipping flexible mane, wherein is installed into materials device, so that said parts are transported between pressure roller and the applicator roll.
Pressure roller and applicator roll are installed as has certain distance mutually, so that the bending when contacting of the parts of flexible mane and differing heights material, in addition, desired equipment comprises the device of independent adjustment applicator roll (240) and pressure roller speed.
Fig. 1 is the schematic side view that is used for the conventional roll coater of single-sided adhesive coating, its several 100 expression feed rollers of getting the bid, and 110 expression applicator rolls, 120 expression drawout rollers, 130 expression adhesives, last 140 expressions need the parts of coating adhesive.
Fig. 2 is the side view of an embodiment of roll coater of the present invention, and this coating machine is equipped flexible pressure roller 260, drawout roller 250 and the device 210,215 that is used for charging, and material 215 passes in and out said roll coater respectively.
Fig. 3 is the front view of embodiment shown in Figure 2.
Fig. 2 and Fig. 3 represent an embodiment of the presently claimed invention, and the intention of claim scope of the present invention without limits.
For a more detailed description with reference to figure 2 and 3 couples of the present invention.Method of the present invention comprises, adhesive is coated on synchronously on the parts of different size material 200 by roll coater, for example be coated in the wooden plate 205, according to the present invention, said coating machine comprises one or several flexible pressure roller, after this can plate is compressed together, for example form the goods of gummed, as version wood or laminate, perhaps form piece of furniture.
With reference to figure 2, this method realizes in the following manner, the material 200 of needs gummed is offered roll coater of the present invention (being presented at together with conveying arrangement 210,215) as wooden plate, by applicator roll 240 adhesive 290 is coated on the lower surface 207 of material, and takes parts out of roll coater continuously by conveyer belt device 215.Need the material 200 of gummed to send in the roll coater by the conveyer belt device 210 that imports roll coater into.Roll coater of the present invention as shown in Figure 2 comprises applicator roll 240, drawout roller 250 and flexible pressure roller 260, and adhesive 290 provides to the drawout roller.
Subsequently, the parts of material can be centered on the length axes half-twist of each plate, and as shown in Figure 3, also equip an add-in card 209 that does not have coating adhesive, it is contacted with uncoated residue adhesive, coating from the teeth outwards, said parts and add-in card form piece of furniture, subsequently with they by hot pressing, cold pressing or high speed pressing line on compressed together.
The length of plate can be 50cm-4m.
Shown in Fig. 2 and 3, pressure roller 260 of the present invention comprises the cylinder 270 that is equipped with mane 280.
The drawout roller of seeing among Fig. 2 250 can also replace with the adhesive pallet, can select together with the adhesive transfer roller.Therefore drawout roller 250, adhesive pallet or adhesive pallet be together with the adhesive transfer roller, can be used to provide the applicator roll of adhesive and/or curing agent to use with separately one or several respectively.But,, need only the adhesive inlet amount and can obtain suitable adjustment to the restriction that applicator roll provides the device of adhesive not to be subjected to any way.
According to the present invention, the pressure that will react on applicator roll 240 by mane device 280 is applied on each parts that need glue together, and sees as Fig. 3, and a support that is arranged essentially parallel to the parts side also is provided simultaneously.In addition, owing to can preferably the upper surface of applicator roll 240 and the upper surface of conveyer belt 210,215 be arranged on substantially the same plane, thereby avoid and upset.
The speed separately of applicator roll 240 and flexible pressure roller 260 can be adjusted respectively, so that suitable material input is passed through roll coater.Material can be generally about 30m/min for for example about 20-50m/min by the speed of roll coater.Can also be by the position of dancer rools, the position of preferred pressure roller, adjust the distance of applicator roll and flexible pressure roller, so that have suitable distance between the roller, thereby make the required pressure minimum that is applied on the material components, guarantee that the lower surface of parts contacts on applicator roll continuously equably with adhesive.
Aptly, mane should touch certain-length with the parts of minimum, so that said mane is slightly crooked at the upper surface of said parts, a suitable example is, when the conventional roll coater of parts, and half height of pact that mane can imbrication residence novels, anecdotes, etc. spare.
Flexible pressure roller is available commercially, and comprises and can hold the roller brush that the size difference is up to the material of about 100mm, and the highest about 50mm of material height is for suitable.Said roller brush also should be soft and docile, thus do not disobey the people influence the feedstock direction speed of plate with being willing to.The width of said roller brush should make the side stable (referring to Fig. 3) of said parts preferably above the width of advance material components.The suitable diameter of this roller brush for example is about 300mm.The width of preferred roller brush is identical approximately with the width of applicator roll.
The flexible material of roller brush of the present invention can comprise the mane 280 shown in Fig. 2 and 3, for example the mane of being made by polyamide or other plastic material such as polypropylene or spring steel, glass fibre or natural fiber material is installed along the direction that its axis of rotation radially extends basically.The cross section of said mane can be circle, square or rectangle, perhaps other suitable geometry.The diameter of mane can be the about 2.0mm of about 0.1mm-, and its length can be the about 300mm of about 100mm-.As long as have elasticity, do not limit the particular type and the material of used mane.The material of cylinder 270 can be metal or plastic material, as polyethylene.
Suitable roller brush can be made up of the polyamide mane that is installed in the diameter 1.5mm in the tube bank that connects on the cylinder 270, and its axial distribution is the mane that has 7.5mm along the length of said cylinder, between the two adjacent tube banks apart from 10mm.Interval on any direction between the adjacent tube bank can be about 2-10mm.The periphery that centers on the cylinder 270 of external diameter 80mm can be provided with 22 tube banks.
Can select, in other words if desired, the present invention can also be provided with the attachment device that prevents to tilt, as a pair of roller brush that " V " type top end face is arranged to " V " of roll coater outlet side shape, and the perhaps a pair of outermost spring heavy burden of the gummed parts arm that rests in.
Should be understood that embodiment described herein only comprises an applicator roll and a flexible pressure roller, and roll coater of the present invention can also comprise two or more above-mentioned rollers, its quantity can be selected separately.
The adhesive that uses in the wood processing industry can be for used herein, and the example comprises urea-formaldehyde adhesive, melamine urea-formaldehyde adhesive, phenolic aldehyde-resorcinol adhesive, polyvinyl acetate based adhesive, emulsion polymerisation isocyanate adhesive and polyurethane binder.
Should be understood that, the present invention is described with reference to adhesive, except that above-mentioned adhesive, roll coater of the present invention can also be coated on the curing agent in the two component adhesive (being included in previously defined " adhesive ") on the parts separately, and next parts are coated with corresponding adhesive again.Curing agent can be to be used for curing amino resin-based or carboxaldehyde radicals adhesive.Curing agent can also mix with adhesive, and is coated on the parts at this point.
Surfacing with applicator roll of groove line can be any suitable conventional material, and as steel, rubber or plastics, these materials are enough inertia to the special adhesive or the curing agent of coating usefulness.
Except that wooden materials, the material of the parts of coating adhesive of the present invention or curing agent can also be any suitable plasticity or metal material.
Claims (10)
1. give the continuously even coating adhesive of material components (205) of differing heights size and/or the method for curing agent (290), this method comprises at least one surface (207) of said parts being sent into roll coater continuously and continuously adhesive and/or curing agent being coated said parts, it is characterized in that material components is used for charging between the adhesive of coating surface and/or the curing agent applicator roll (240) at least one pressure roller (260) and one or several equipment, said pressure roller comprises that one is equipped with the cylinder (270) of flexible mane (280), thus said adhesive and/or curing agent is uniformly coated on the surface of said material.
2. according to the method for claim 1, the bending when surface that it is characterized in that mane and differing heights material components contacts.
3. according to the method for claim 1 or 2, the width that it is characterized in that equipping the cylinder of flexible mane surpasses the width of material components, makes said parts lateral stability.
4. according to the method for claim 1 or 2, it is characterized in that the speed of applicator roll (240) and pressure roller (260) can be adjusted separately.
5. according to each method of aforementioned claim, it is characterized in that used adhesive is selected from urea-formaldehyde adhesive, melamine urea-formaldehyde adhesive, phenolic aldehyde-resorcinol adhesive, polyvinyl acetate based adhesive, emulsion polymerisation isocyanate adhesive and polyurethane binder.
6. one kind is used for adhesive and/or curing agent synchronous, evenly, coat the equipment of the material components that has relative differing heights mutually continuously, this equipment comprises the feed arrangement (210 that transports said material components, 215), one or several applicator roll (240), with the device that is used for providing adhesive and/or curing agent (290) to each applicator roll, it is characterized in that comprising at least one flexible pressure roller (260), this roller comprises the cylinder (270) of the flexible mane of equipment (280), wherein be installed into materials device, so that said parts are transported between pressure roller and the applicator roll.
7. according to the equipment of claim 6, it is characterized in that pressure roller and applicator roll are installed as and have certain distance mutually, so that the bending when contacting of the parts of flexible mane and differing heights material.
8. according to the equipment of claim 6 or 7, it is characterized in that comprising the device of independent adjustment applicator roll (240) and pressure roller (260) speed.
9. according to the equipment of the arbitrary claim of claim 6-8, it is characterized in that equipping the width that width that the cylinder of flexible mane has surpasses material components, make said parts lateral stability.
10. according to the equipment of the arbitrary claim of claim 6-9, it is characterized in that said mane (280) can hold the said parts of the different size of maximum about 100mm height.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97850161.7 | 1997-11-14 | ||
| EP97850161 | 1997-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1217955A true CN1217955A (en) | 1999-06-02 |
Family
ID=8230966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98122320A Pending CN1217955A (en) | 1997-11-14 | 1998-11-13 | Method of glueing and device therefor |
Country Status (12)
| Country | Link |
|---|---|
| KR (1) | KR19990045175A (en) |
| CN (1) | CN1217955A (en) |
| AU (1) | AU715182B2 (en) |
| EE (1) | EE9800310A (en) |
| ID (1) | ID21289A (en) |
| MY (1) | MY133889A (en) |
| NO (1) | NO985273L (en) |
| NZ (1) | NZ332742A (en) |
| PL (1) | PL329666A1 (en) |
| RU (1) | RU2162750C2 (en) |
| SG (1) | SG78321A1 (en) |
| SK (1) | SK155598A3 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878102A (en) * | 2014-04-16 | 2014-06-25 | 北京美好生活家居用品有限公司 | Direct gluing method for PU film |
| CN102740983B (en) * | 2010-09-22 | 2016-10-12 | 弗里茨层压技术有限公司 | For the device of application of adhesive in the way of not reequiping alternatively |
| CN115772370A (en) * | 2022-11-25 | 2023-03-10 | 福建友谊胶粘带集团有限公司 | Masking double-layer masking tape with lower layer attached and upper layer stripped and preparation method |
| CN115785842A (en) * | 2022-11-25 | 2023-03-14 | 福建友谊胶粘带集团有限公司 | Masking tape with hollow patterns for spraying and preparation method thereof |
| CN116060255A (en) * | 2023-01-31 | 2023-05-05 | 福州大学 | Self-adaptive automatic production line for hollow furniture brackets |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD3560G2 (en) * | 2006-07-25 | 2008-11-30 | Технический университет Молдовы | Process and device for elastic film application onto the bevel gear teeth |
| AT510480B1 (en) * | 2010-10-14 | 2014-03-15 | Rathor Ag | DEVICE FOR APPLYING ADHESIVE |
| MA39373B1 (en) * | 2014-04-07 | 2019-01-31 | Basf Se | Process and apparatus for continuous production of foam core sandwich panels / pure / pure |
| CN113134981A (en) * | 2021-06-04 | 2021-07-20 | 福建万顺运动科技有限公司 | Straight edge rolling edge sealing equipment of inflatable surfboard |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0550918T3 (en) * | 1991-10-03 | 1995-04-24 | Casco Nobel Ab | Method of applying an adhesive |
| CA2096392C (en) * | 1992-05-18 | 1999-12-28 | Lawrence D. Miles | Printer support mechanism and method |
-
1998
- 1998-11-10 SG SG1998004619A patent/SG78321A1/en unknown
- 1998-11-11 KR KR1019980048103A patent/KR19990045175A/en not_active Application Discontinuation
- 1998-11-11 SK SK1555-98A patent/SK155598A3/en unknown
- 1998-11-11 NZ NZ332742A patent/NZ332742A/xx unknown
- 1998-11-11 EE EE9800310A patent/EE9800310A/en unknown
- 1998-11-11 AU AU92337/98A patent/AU715182B2/en not_active Ceased
- 1998-11-12 PL PL98329666A patent/PL329666A1/en unknown
- 1998-11-12 NO NO985273A patent/NO985273L/en not_active Application Discontinuation
- 1998-11-13 RU RU98120459/12A patent/RU2162750C2/en active
- 1998-11-13 CN CN98122320A patent/CN1217955A/en active Pending
- 1998-11-13 MY MYPI98005171A patent/MY133889A/en unknown
- 1998-11-16 ID IDP981496A patent/ID21289A/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102740983B (en) * | 2010-09-22 | 2016-10-12 | 弗里茨层压技术有限公司 | For the device of application of adhesive in the way of not reequiping alternatively |
| CN103878102A (en) * | 2014-04-16 | 2014-06-25 | 北京美好生活家居用品有限公司 | Direct gluing method for PU film |
| CN103878102B (en) * | 2014-04-16 | 2015-12-02 | 北京美好生活家居用品有限公司 | The direct glue spreading method of a kind of PU film |
| CN115772370A (en) * | 2022-11-25 | 2023-03-10 | 福建友谊胶粘带集团有限公司 | Masking double-layer masking tape with lower layer attached and upper layer stripped and preparation method |
| CN115785842A (en) * | 2022-11-25 | 2023-03-14 | 福建友谊胶粘带集团有限公司 | Masking tape with hollow patterns for spraying and preparation method thereof |
| CN116060255A (en) * | 2023-01-31 | 2023-05-05 | 福州大学 | Self-adaptive automatic production line for hollow furniture brackets |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2162750C2 (en) | 2001-02-10 |
| SK155598A3 (en) | 1999-06-11 |
| SG78321A1 (en) | 2001-02-20 |
| MY133889A (en) | 2007-11-30 |
| KR19990045175A (en) | 1999-06-25 |
| NO985273L (en) | 1999-05-18 |
| EE9800310A (en) | 1999-06-15 |
| NZ332742A (en) | 2000-04-28 |
| NO985273D0 (en) | 1998-11-12 |
| AU9233798A (en) | 1999-06-03 |
| ID21289A (en) | 1999-05-20 |
| PL329666A1 (en) | 1999-05-24 |
| AU715182B2 (en) | 2000-01-20 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |