EP1039028B1 - Apparatus for manufacturing molded pulpboards - Google Patents
Apparatus for manufacturing molded pulpboards Download PDFInfo
- Publication number
- EP1039028B1 EP1039028B1 EP19990302153 EP99302153A EP1039028B1 EP 1039028 B1 EP1039028 B1 EP 1039028B1 EP 19990302153 EP19990302153 EP 19990302153 EP 99302153 A EP99302153 A EP 99302153A EP 1039028 B1 EP1039028 B1 EP 1039028B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor
- tank
- molded
- pulpboards
- movable seat
- 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.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J7/00—Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould
Definitions
- This invention relates to an apparatus for manufacturing molded paperboards.
- a conventional apparatus 1 for manufacturing molded pulpboards includes a stationary base 11 and a tank 12 disposed on the stationary base 11.
- An upright partition 121 is connected to the bottom of the tank 12 to define two chambers 122, 123 in the tank 12.
- the height of the partition 121 is lower than that of the side walls of the tank 12.
- a pulp supplying device 13 is connected to the tank 12 so that an aqueous waste pulp suspension can be pumped into the tank 12 via a first pipeline 131, and so that the aqueous waste pulp suspension will flow back to the pulp supplying device 13 via a second pipeline 132.
- An actuating cylinder 136 is mounted to the bottom of the tank 12, and has a telescopic rod 133 extending upwardly therefrom and an elongated support base 134 connected to an upper end of the telescopic rod 133.
- the telescopic rod 133 can be driven by the actuating cylinder 136 to move up and down.
- the top face of the support base 134 has a plurality of juxtaposed cover plates 135 fastened thereon.
- Each of the cover plates 135 has a female mold 14 disposed thereon.
- Each of the female molds 14 has a sheet of net member 142 disposed thereon and a plurality of through holes 141 formed in the mold cavities thereof.
- a guide rail 15 is provided above the tank 12, and has an oil-hydraulic cylinder 16 and a vacuum pump 18 provided thereon.
- a plurality of male molds 17 are provided on the bottom face of the guide rail 15, and are connected operatively to the oil-hydraulic cylinder 16 and the vacuum pump 18. Each of the male molds 17 confronts a corresponding one of the female molds 14.
- a conveyor 19 is disposed beside the tank 12 on the stationary base 11 and has a conveying belt 191 and a plurality of spaced carrier plates 192 connected to the conveying belt 191. The downstream portion of the conveyor 19 passes through a drying device 10.
- the actuating cylinder 136 is actuated to drive the telescopic rod 133 to retract, resulting in descent of the support base 134 until the female molds 14 are lower than the top edge of the partition 121.
- the aqueous waste pulp suspension is pumped into the chamber 122 of the tank 12 via the first pipeline 131 by the pulp-supplying device 13 and overflows to the chamber 123.
- the partition 121 permits the aqueous pulp suspension in the tank 12 to flow in a steady state. When the female molds 14 are immersed in the aqueous pulp suspension, the fiber material will precipitate onto the net members 142.
- the male molds 17 with the blanks 2 are then driven to move upwardly to separate from the female molds 14 and to move to and above the carrier plates 192 on the conveyor 19.
- the blanks 2 attached to the male molds 17 drop onto the carrier plates 192 when the vacuum pumps 18 are deactivated.
- the blanks 2 are delivered through the drying device 10 by means of the conveyor 19 and are dried. The final products are thus obtained.
- the conventional apparatus 1 for manufacturing the molded pulpboards suffers from the following disadvantages:
- EP-A-616,076 discloses an apparatus for manufacturing molded pulpboard comprising a molding device arranged at an upstream edge of a belt, and further molding devices arranged at either side of the belt.
- the molding devices each comprise a pulp tank, a mold mounted on a movable support above the tank, such that the mold can move between the tank and the conveyor.
- the conveyor is arranged to convey pulpboards deposited thereon to a dryer.
- US-A-5 656,135 discloses a molding machine having a large number of ports for mounting a variety of molds. The upper and lower molds are exchangeable giving adaptability in mold mounting.
- At least preferred embodiments of the present invention seek to provide an apparatus for manufacturing molded pulpboards that can have a high production yield and speed and that can produce molded pulpboards of different patterns at the same time as compared to the aforementioned conventional apparatus.
- an apparatus for manufacturing molded pulpboards comprises a conveyor, a plurality of molding devices and a drying device.
- the conveyor has two opposite sides and upstream and downstream portions.
- the molding devices are arranged movably adjacent to the opposite sides and the upstream portion of the conveyor.
- Each of the molding devices has a movable seat, a tank disposed on the movable seat, a female mold disposed in the tank, a cantilever support connected to the movable seat in a vertically movable position above the tank, a male mold mounted on the cantilever support, a first driving device for moving the cantilever support toward and away from the tank in order to engage and disengage the female and male molds, a pickup device mounted on the cantilever support and adapted to transfer a molded pulpboard blank formed on the female mold from the female mold to the conveyor, and a pulp supplying device connected detachably to the tank and adapted to supply an aqueous pulp suspension to the tank.
- the drying device is disposed adjacent to the downstream portion of the conveyor, and is adapted to dry the molded pulpboard blank on the conveyor.
- an apparatus 3 for manufacturing molded pulpboards according to the present invention is shown to comprise a plurality of molding devices 4, a conveyor 5 and a drying device 6.
- the molding devices 4 are arranged movably adjacent to the opposite sides and the upstream portion of the conveyor 5 on a stationary base 21.
- the drying device 6 is disposed adjacent to the downstream portion of the conveyor 5 on the stationary base 21.
- Each of the molding devices 4 includes a movable seat 41, a tank 42 disposed on the movable seat 41, a female mold 43 disposed in the tank 42, a cantilever support 44 connected to the movable seat 41 in a vertically movable position above the tank 42, a male mold 45 mounted on the bottom side of the cantilever support 44, a first driving device 46 for moving the cantilever support 44 toward and away from the tank 42 in order to engage and disengage the female and male molds 43, 45, a pickup device 48 mounted on the cantilever support 44 and adapted to transfer a molded pulpboard blank 7 formed on the female mold 43 from the female mold 43 to the conveyor 5, and a pulp supplying device 47 connected detachably to the tank 42 and adapted to supply an aqueous pulp suspension to the tank 42 in a conventional manner.
- the movable seat 41 of each of the molding devices 4 has a guide rail 411 disposed on an upright portion thereof in order to guide the cantilever support 44 to move vertically, and a plurality of casters 412 mounted to the underside of the movable seat 41.
- Each of the tanks 42 has an upright partition 422 connected to the bottom of the tank 42 and dividing the tank 42 into two receiving chambers 423, 424. The height of the partition 422 is lower than that of the side walls of the tank 42.
- Each of the tanks 42 further has an actuating cylinder 426 that is mounted to the bottom thereof, and a telescopic rod 425 that extends upwardly from the actuating cylinder 426 and that is connected to a support base 421 at its upper end.
- Each of the female molds 43 is fastened to the support base 421 and has a sheet of net member 431 disposed thereon.
- the cavities of the female molds 43 have through holes 432 formed therein.
- the pulp-supplying device 47 is connected to the receiving chambers 423, 424 via pipelines 471, 472, respectively.
- Each of the pickup devices 48 includes a second driving device 481 that is disposed on the cantilever support 44 and that is capable of moving the male mold 45 to and back from the conveyor 5, and a vacuum pump 482 that is disposed on the cantilever support 44 and that can exert a suction force on the female mold 43 through the male mold 45.
- the conveyor 5 includes a conveying chain 51 and a sprocket assembly 52 for driving the conveying chain 51.
- the molding devices 4 are moved near the opposite sides and the upstream portion of the conveyor chain 51 of the conveyor 5.
- An aqueous waste pulp suspension is supplied to the pulp supplying devices 47.
- the pulp supplying devices 47 are actuated in order to pump the pulp suspension into the chambers 424 in the tanks 42 through the pipeline 472.
- the pulp suspension in each of the chambers 424 then overflow past a corresponding one of the partitions 422 and into the chamber 423.
- the pulp suspension in the chambers 423 will flow back to the pulp supplying devices 47 via the pipelines 471.
- the partitions 422 permit the pulp suspension in the tanks 42 to flow in a steady state.
- the female molds 45 are immersed in the pulp suspension, and the fiber material will precipitate onto the net members 431 on the female molds 43. Water will be swept out from the bottom of each of the female molds 43 through the through holes 432 when each of the support bases 421 is raised by a corresponding one of the telescopic rods 425.
- the first driving devices 46 are actuated to descend the cantilever supports 44 to permit engagement of each of the male molds 45 and a corresponding one of the female molds 43 in order to form a molded pulpboard blank 7 therebetween, as shown by the phantom lines in Figure 4.
- the vacuum pumps 482 are actuated to exert a suction force onto the molded pulpboard blanks 7 through the male molds 45.
- the first driving devices 46 are actuated again to drive the cantilever supports 44 to move upwardly. As a result, the molded pulpboard blanks 7 are moved upwardly with the male molds 45.
- the second driving devices 481 of the pickup devices 48 are actuated to drive the male molds 45 with the molded pulpboard blanks 7 horizontally to and above the conveying chain 51 of the conveyor 5.
- the vacuum pumps 482 are deactivated to permit the molded pulpboard blanks 7 to separate from the male molds 45 and drop onto the conveying chain 51.
- the molded pulpboard blanks 7 then pass through the drying device 6, and are dried by the same to form the final products.
- the molded pulpboard blanks 7 can be placed on the conveyor 5 in sequence as shown in Figure 3. In this way, the number of the molded pulpboard blanks 7 that are disposed on the conveyor 5 can be increased dramatically.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Description
- This invention relates to an apparatus for manufacturing molded paperboards.
- Referring to Figures 1 and 2, a conventional apparatus 1 for manufacturing molded pulpboards includes a
stationary base 11 and atank 12 disposed on thestationary base 11. Anupright partition 121 is connected to the bottom of thetank 12 to define twochambers tank 12. The height of thepartition 121 is lower than that of the side walls of thetank 12. Apulp supplying device 13 is connected to thetank 12 so that an aqueous waste pulp suspension can be pumped into thetank 12 via afirst pipeline 131, and so that the aqueous waste pulp suspension will flow back to thepulp supplying device 13 via asecond pipeline 132. An actuatingcylinder 136 is mounted to the bottom of thetank 12, and has atelescopic rod 133 extending upwardly therefrom and anelongated support base 134 connected to an upper end of thetelescopic rod 133. Thetelescopic rod 133 can be driven by the actuatingcylinder 136 to move up and down. The top face of thesupport base 134 has a plurality of juxtaposedcover plates 135 fastened thereon. Each of thecover plates 135 has afemale mold 14 disposed thereon. Each of thefemale molds 14 has a sheet ofnet member 142 disposed thereon and a plurality of throughholes 141 formed in the mold cavities thereof. Aguide rail 15 is provided above thetank 12, and has an oil-hydraulic cylinder 16 and avacuum pump 18 provided thereon. A plurality ofmale molds 17 are provided on the bottom face of theguide rail 15, and are connected operatively to the oil-hydraulic cylinder 16 and thevacuum pump 18. Each of themale molds 17 confronts a corresponding one of thefemale molds 14. Aconveyor 19 is disposed beside thetank 12 on thestationary base 11 and has aconveying belt 191 and a plurality of spacedcarrier plates 192 connected to theconveying belt 191. The downstream portion of theconveyor 19 passes through adrying device 10. - In use, the actuating
cylinder 136 is actuated to drive thetelescopic rod 133 to retract, resulting in descent of thesupport base 134 until thefemale molds 14 are lower than the top edge of thepartition 121. The aqueous waste pulp suspension is pumped into thechamber 122 of thetank 12 via thefirst pipeline 131 by the pulp-supplyingdevice 13 and overflows to thechamber 123. Thepartition 121 permits the aqueous pulp suspension in thetank 12 to flow in a steady state. When thefemale molds 14 are immersed in the aqueous pulp suspension, the fiber material will precipitate onto thenet members 142. Water will be swept out from the clearance between thefemale molds 14 and thecover plates 135 through the throughholes 141 when thesupport base 134 is raised by thetelescopic rod 133 that is driven by the actuatingcylinder 136. The aqueous pulp suspension in thechamber 123 flows back into the pulp-supplyingdevice 13 via thesecond pipeline 132. Thereafter, the oil-hydraulic cylinder 16 is actuated to move themale molds 17 over thefemale molds 14 and is then lowered to compress the pulp material precipitated on thenet members 142 of thefemale molds 14 in order to form moldedpulpboard blanks 2. Theblanks 2 are attached to themale molds 17 by means of the suction force of thevacuum pumps 18. Themale molds 17 with theblanks 2 are then driven to move upwardly to separate from thefemale molds 14 and to move to and above thecarrier plates 192 on theconveyor 19. Theblanks 2 attached to themale molds 17 drop onto thecarrier plates 192 when thevacuum pumps 18 are deactivated. Theblanks 2 are delivered through thedrying device 10 by means of theconveyor 19 and are dried. The final products are thus obtained. - However, the conventional apparatus 1 for manufacturing the molded pulpboards suffers from the following disadvantages:
- 1. Since the
through holes 141 in thefemale molds 14 and thenet members 142 on thefemale molds 14 are often blocked by the pulp material, periodical shutdown to remove the pulp material from the throughholes 141 and thenet members 14 is required. Therefore, the production yield of the molded pulpboards is adversely affected. - 2. In a molding step,
few blanks 2 are disposed on a single row ofcarriage plates 192. Theconveyor 19 is then moved forward a predetermined distance and stops for carrying theblanks 2 from themale mold 17 that are to be produced in the next molding step. Therefore, both the production yield and the production speed are low. - 3. Because only one
tank 12 is employed to produce the molded pulpboards, the patterns of themolds -
- EP-A-616,076 discloses an apparatus for manufacturing molded pulpboard comprising a molding device arranged at an upstream edge of a belt, and further molding devices arranged at either side of the belt. The molding devices each comprise a pulp tank, a mold mounted on a movable support above the tank, such that the mold can move between the tank and the conveyor. The conveyor is arranged to convey pulpboards deposited thereon to a dryer.
- US-A-5 656,135 discloses a molding machine having a large number of ports for mounting a variety of molds. The upper and lower molds are exchangeable giving adaptability in mold mounting.
- At least preferred embodiments of the present invention seek to provide an apparatus for manufacturing molded pulpboards that can have a high production yield and speed and that can produce molded pulpboards of different patterns at the same time as compared to the aforementioned conventional apparatus.
- Various aspects of the invention are set out in the accompanying claims.
- According to an embodiment of the present invention, an apparatus for manufacturing molded pulpboards comprises a conveyor, a plurality of molding devices and a drying device. The conveyor has two opposite sides and upstream and downstream portions. The molding devices are arranged movably adjacent to the opposite sides and the upstream portion of the conveyor. Each of the molding devices has a movable seat, a tank disposed on the movable seat, a female mold disposed in the tank, a cantilever support connected to the movable seat in a vertically movable position above the tank, a male mold mounted on the cantilever support, a first driving device for moving the cantilever support toward and away from the tank in order to engage and disengage the female and male molds, a pickup device mounted on the cantilever support and adapted to transfer a molded pulpboard blank formed on the female mold from the female mold to the conveyor, and a pulp supplying device connected detachably to the tank and adapted to supply an aqueous pulp suspension to the tank. The drying device is disposed adjacent to the downstream portion of the conveyor, and is adapted to dry the molded pulpboard blank on the conveyor.
- An embodiment of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
- Figure 1 is a schematic side view of a conventional apparatus for manufacturing molded pulpboards;
- Figure 2 is a top view of the conventional apparatus for manufacturing molded pulpboards of Figure 1;
- Figure 3 is a top view of a preferred embodiment of an apparatus for manufacturing molded pulpboards according to the present invention;
- Figure 4 is a schematic side view illustrating the preferred embodiment of Figure 3 in a first operative position; and
- Figure 5 is a schematic side view illustrating the preferred embodiment of Figure 3 in a second operative position.
-
- Referring to Figures 3 and 4, a preferred embodiment of an apparatus 3 for manufacturing molded pulpboards according to the present invention is shown to comprise a plurality of
molding devices 4, aconveyor 5 and adrying device 6. Themolding devices 4 are arranged movably adjacent to the opposite sides and the upstream portion of theconveyor 5 on astationary base 21. Thedrying device 6 is disposed adjacent to the downstream portion of theconveyor 5 on thestationary base 21. Each of themolding devices 4 includes amovable seat 41, atank 42 disposed on themovable seat 41, afemale mold 43 disposed in thetank 42, acantilever support 44 connected to themovable seat 41 in a vertically movable position above thetank 42, amale mold 45 mounted on the bottom side of thecantilever support 44, afirst driving device 46 for moving thecantilever support 44 toward and away from thetank 42 in order to engage and disengage the female andmale molds pickup device 48 mounted on thecantilever support 44 and adapted to transfer a molded pulpboard blank 7 formed on thefemale mold 43 from thefemale mold 43 to theconveyor 5, and apulp supplying device 47 connected detachably to thetank 42 and adapted to supply an aqueous pulp suspension to thetank 42 in a conventional manner. - The
movable seat 41 of each of themolding devices 4 has aguide rail 411 disposed on an upright portion thereof in order to guide thecantilever support 44 to move vertically, and a plurality ofcasters 412 mounted to the underside of themovable seat 41. Each of thetanks 42 has anupright partition 422 connected to the bottom of thetank 42 and dividing thetank 42 into tworeceiving chambers partition 422 is lower than that of the side walls of thetank 42. Each of thetanks 42 further has an actuatingcylinder 426 that is mounted to the bottom thereof, and atelescopic rod 425 that extends upwardly from the actuatingcylinder 426 and that is connected to asupport base 421 at its upper end. Each of thefemale molds 43 is fastened to thesupport base 421 and has a sheet ofnet member 431 disposed thereon. The cavities of thefemale molds 43 have throughholes 432 formed therein. The pulp-supplyingdevice 47 is connected to the receivingchambers pipelines pickup devices 48 includes asecond driving device 481 that is disposed on thecantilever support 44 and that is capable of moving themale mold 45 to and back from theconveyor 5, and avacuum pump 482 that is disposed on thecantilever support 44 and that can exert a suction force on thefemale mold 43 through themale mold 45. - The
conveyor 5 includes a conveyingchain 51 and asprocket assembly 52 for driving the conveyingchain 51. - Referring to Figures 4 and 5, in use, the
molding devices 4 are moved near the opposite sides and the upstream portion of theconveyor chain 51 of theconveyor 5. An aqueous waste pulp suspension is supplied to thepulp supplying devices 47. Thepulp supplying devices 47 are actuated in order to pump the pulp suspension into thechambers 424 in thetanks 42 through thepipeline 472. The pulp suspension in each of thechambers 424 then overflow past a corresponding one of thepartitions 422 and into thechamber 423. The pulp suspension in thechambers 423 will flow back to thepulp supplying devices 47 via thepipelines 471. Thepartitions 422 permit the pulp suspension in thetanks 42 to flow in a steady state. At this time, thefemale molds 45 are immersed in the pulp suspension, and the fiber material will precipitate onto thenet members 431 on thefemale molds 43. Water will be swept out from the bottom of each of thefemale molds 43 through the throughholes 432 when each of the support bases 421 is raised by a corresponding one of thetelescopic rods 425. Then, thefirst driving devices 46 are actuated to descend the cantilever supports 44 to permit engagement of each of themale molds 45 and a corresponding one of thefemale molds 43 in order to form a molded pulpboard blank 7 therebetween, as shown by the phantom lines in Figure 4. Thereafter, thevacuum pumps 482 are actuated to exert a suction force onto the molded pulpboard blanks 7 through themale molds 45. In the meantime, thefirst driving devices 46 are actuated again to drive the cantilever supports 44 to move upwardly. As a result, the molded pulpboard blanks 7 are moved upwardly with themale molds 45. - Next, with reference to Figure 5, the
second driving devices 481 of thepickup devices 48 are actuated to drive themale molds 45 with the molded pulpboard blanks 7 horizontally to and above the conveyingchain 51 of theconveyor 5. At this time, thevacuum pumps 482 are deactivated to permit the molded pulpboard blanks 7 to separate from themale molds 45 and drop onto the conveyingchain 51. The molded pulpboard blanks 7 then pass through thedrying device 6, and are dried by the same to form the final products. - By controlling the start time of each of the
molding devices 4 with the use of a timer (not shown), the molded pulpboard blanks 7 can be placed on theconveyor 5 in sequence as shown in Figure 3. In this way, the number of the molded pulpboard blanks 7 that are disposed on theconveyor 5 can be increased dramatically. - Advantages of the apparatus for manufacturing molded pulpboards according to at least preferred embodiments of the present invention include:
- 1. The molding devices can be detached individually from a corresponding one of the pulp supplying devices for effecting the cleaning work. At the same time, a spare molding device may be connected to the corresponding one of the pulp supplying devices. Therefore, shutdown of the apparatus can be avoided. Accordingly, the production speed will not be affected adversely.
- 2. Since the number of the molded pulpboard blanks is increased greatly, the production yield can be enhanced.
- 3. The molding devices can be provided individually with female and male molds of different patterns. As such, molded pulpboards of different patterns can be produced at the same time without the need to shut down the apparatus.
-
Claims (3)
- An apparatus for manufacturing molded pulpboards, comprising a conveyor (5) having upstream and downstream portions and two opposite sides each extending between said upstream and downstream portions;
a molding device (4) arranged movably adjacent to said upstream portion of said conveyor (5) and at least one further molding device (4) arranged movably adjacent to said opposite sides, each of said molding devices (4) having a movable seat (41), a tank (42) disposed on said movable seat (41), a female mold (43) disposed in said tank (42), a cantilever support (44) connected to said movable seat (41) in a vertically movable position above said tank (42), a male mold (45) mounted on said cantilever support (44), a first driving device (46) for moving said cantilever support (44) toward and away from said tank (42) in order to engage and disengage said female andmale molds (43, 45), a pickup device (48) mounted on said cantilever support (44) and adapted to transfer a molded pulpboard blank (7) formed on said female mold (43) from said female mold (43) to said conveyor (5), and a pulp supplying device (47) connected detachably to said movable seat (41) and adapted to supply an aqueous pulp suspension to said tank (42); and
a drying device (6) disposed adjacent to said downstream portion of said conveyor (5) and adapted to dry the molded pulpboard blank (7) on said conveyor (5). - The apparatus for manufacturing molded pulpboards as claimed in Claim 1, characterized in that said pickup device (48) of each of said molding devices (4) includes a second driving device (481) for moving said male mold (45) to and back from said conveyor (5), and a vacuum pump (482) connected to said male mold (45) and adapted for attaching the molded pulpboard blank (7) to said male mold (45).
- The apparatus for manufacturing molded pulpboards as claimed in Claim 1, characterized in that said movable seat (41) of each of said molding devices (4) has casters (412) provided thereon.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69908081T DE69908081D1 (en) | 1999-03-19 | 1999-03-19 | Device for producing fiberboard from molded pulp |
EP19990302153 EP1039028B1 (en) | 1999-03-19 | 1999-03-19 | Apparatus for manufacturing molded pulpboards |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19990302153 EP1039028B1 (en) | 1999-03-19 | 1999-03-19 | Apparatus for manufacturing molded pulpboards |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1039028A1 EP1039028A1 (en) | 2000-09-27 |
EP1039028B1 true EP1039028B1 (en) | 2003-05-21 |
Family
ID=8241280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990302153 Expired - Lifetime EP1039028B1 (en) | 1999-03-19 | 1999-03-19 | Apparatus for manufacturing molded pulpboards |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1039028B1 (en) |
DE (1) | DE69908081D1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001159100A (en) * | 1999-11-30 | 2001-06-12 | Korea Recystes Co Ltd | Apparatus for producing pulp molded product |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5656135A (en) * | 1993-02-16 | 1997-08-12 | Moulded Fibre Technology, Inc. | Molded product manufacturing apparatus and methods |
DE9303468U1 (en) * | 1993-03-10 | 1993-05-13 | Vießmann, Hans, Dr., 35088 Battenberg | Dip and suction molding device |
-
1999
- 1999-03-19 DE DE69908081T patent/DE69908081D1/en not_active Expired - Lifetime
- 1999-03-19 EP EP19990302153 patent/EP1039028B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1039028A1 (en) | 2000-09-27 |
DE69908081D1 (en) | 2003-06-26 |
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