CN2273328Y - Automatic-forming device for paper dinnerware - Google Patents
Automatic-forming device for paper dinnerware Download PDFInfo
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- CN2273328Y CN2273328Y CN 96230833 CN96230833U CN2273328Y CN 2273328 Y CN2273328 Y CN 2273328Y CN 96230833 CN96230833 CN 96230833 CN 96230833 U CN96230833 U CN 96230833U CN 2273328 Y CN2273328 Y CN 2273328Y
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- counterdie
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Abstract
The utility model relates to an automatic forming device for paper dinnerware. The utility model comprises a paper pulp lifting mechanism which is composed of a measuring cup, a pulp pressing pipe, a paper pulp lifting gas cylinder, etc., a copy paper forming mechanism which is composed of a copy paper cylinder, a copy paper lower die, a copy paper upper die, etc., a heat pressing forming mechanism which is composed of a heat pressing upper die, a heat pressing lower die, etc., a product taking mechanism which is composed of a blowing and sucking disc, a lifting air cylinder, a slide gas cylinder, etc., a machine frame, a raw material groove, a water return groove, a material preparation groove, a gas-water separator, an electric motor and a stirrer. The utility model has the advantages of compact design and high production capability, and can be used for making paper tableware such as, fast food boxes, bowls, dishes, cups, etc.
Description
The utility model relates to a kind of equipment of making paper table ware, particularly relates to a kind of pulp molding device for automatically molding.
Because a large amount of foam that uses is moulded the system tableware, caused serious " white pollution " in recent years, people begin to seek the substitute products of foam manufacturing system tableware.Paper table ware Yin Qiyi degraded, recyclable utilization, environmentally safe and receiving an acclaim.The demand of paper table ware has been impelled the production of paper table ware former.But existing market is many with the cardboard kitchenware moulding machine, and as Chinese patent paper lunch-box automatic moulding machine (93219789.2), it is raw material that these machines only are suitable for cardboard, raw material availability is not high, the cardboard tableware price height of its production, and cardboard tableware heat insulating ability is poor, is difficult to stack; Produce required paperboard grade (stock) wood pulp and make, a large amount of disafforestations destroy environment; Add the two-sided plastic-coated of cardboard tableware, can not degrade, still there is pollution in environment.
The purpose of this utility model is at the defective of above-mentioned existence, and providing a kind of is raw material with paper pulp, through copying operations such as paper moulding, hot-forming and post processing, makes the automatic forming device of paper table ware.
The technical solution of the utility model realizes by taking following measure:
The utility model comprises frame, plumbing pump, motor, agitator, pulp elevator structure, copies paper shaping mechanism, hot-forming mechanism, goods unloading device and raw material tank, return flume, the groove of getting the raw materials ready, moisture trap and gas control water-supply valve, it is characterized in that:
I. the pulp elevator structure is positioned at the raw material tank top, comprise that measuring cup, paper pulp promote cylinder, slurry blow-off pipe, the measuring cup bottom connects fixed head, the measuring cup top is provided with the upper sealing plate of offering compressed air inlet, slurry blow-off pipe one end stretches into measuring cup, the other end stretches into the groove of getting the raw materials ready, and paper pulp promotes cylinder between measuring cup;
Ii. copying the paper shaping mechanism comprises and copies the paper cylinder, copies the paper counterdie, copies the paper patrix, copy the paper counterdie and be positioned at the paper cylinder bottom portion of copying, die face is established aperture, copy paper cylinder bottom portion and connect vacuum, dewatering and drainage pipe, copy in the paper patrix and establish negative pressure cavity, vacuum, dewatering and drainage pipe are connected with vacuum, dewatering and drainage control system, and negative pressure cavity is connected with vacuum-control(led) system to copy and offers the air-breathing aperture of using on the paper patrix die face;
Iii. hot-forming mechanism comprises hot pressing patrix, hot pressing counterdie, and folder is established electric heating tube in hot pressing counterdie and the hot pressing patrix, establishes the steam discharge chamber in the hot pressing counterdie, and the steam discharge chamber is connected with vacuum, compressed air control system, establishes exhaust hole on the hot pressing lower die face;
Iiii. the goods unloading device comprises that pressure-vaccum dish, goods take out sliding cylinder, goods take out lift cylinder, and the pressure-vaccum dish is fixed on the connecting plate, and the pressure-vaccum dish is connected with vacuum, compressed air control system.
Copy paper counterdie bag and establish woven wire, the woven wire periphery is established slurry resistance plate washer, copies wall liner felt in the paper patrix.Hot pressing counterdie bag is established woven wire.
Copy the paper upper die and lower die, the hot pressing upper die and lower die are identical with the quantity of pressure-vaccum dish, and shape is similar, and configuration quantity is 8-16, is good with even number.
Advantage of the present utility model is:
1. the product of the utility model production is the renewal product of foamed plastics tableware, has enough intensity, grease-proof and waterproof, anti-food acids, alkali, salt, nonpoisonous and tasteless, characteristics such as convenient and practical, inexpensive, be convenient to reclaim or degraded voluntarily with the back discarded object, help the ecological balance, free from environmental pollution;
2. raw material sources are wider, mainly are various straw pulps, and as reed, straw, straw, mao bamboon, bagasse, cotton straw etc., cost is low, and the source is wide;
3. the utility model self forms water circulation system, using water wisely;
4. full-automatic mould moulding, production capacity is big, finished product efficient height, cost is low, and cost of material is than cardboard tableware low 30%;
5. applicable to various paper table ware moulding such as box-like, bowl-shape, dish shapes, once plastic 8-16 only.
Below in conjunction with accompanying drawing the utility model is done the detail explanation: present embodiment is example with the fast food lunch-box
Fig. 1 is the structural representation of a kind of embodiment of the present utility model
Fig. 2 is the structural representation of the pulp elevator structure among Fig. 1
Fig. 3 is the structural representation of copying the paper shaping mechanism among Fig. 1
Fig. 4 is that the A of Fig. 3 is to cross-sectional schematic
Fig. 5 is the plan structure schematic diagram of copying the paper counterdie among Fig. 3
Fig. 6 is the a--a cross-sectional schematic of Fig. 5
Fig. 7 is the elevational schematic view of copying the paper patrix among Fig. 3
Fig. 8 is the b--b cross-sectional schematic of Fig. 7
Fig. 9 is the structural representation of the hot-forming mechanism among Fig. 1
Figure 10 is that the B of Fig. 9 is to schematic diagram
Figure 11 is the schematic top plan view of the hot pressing counterdie among Fig. 9
Figure 12 is the c--c cross-sectional schematic of Figure 11
Figure 13 is the structural representation of the goods unloading device among Fig. 1
Figure 14 is that the C of Figure 13 is to structural representation
1. 2. 3. 4.5. 6. 7. 8. 9. 10. 11. 12. 13. 21. 22. 23. 24. 25. 26. 27. 28. 29. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.、 41. 42. 43. 44. 45. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 71. 72. 73. 74. 75. 76.77. 78. 79.
With reference to the accompanying drawing illustrated embodiment, the utility model embodiment adopts bilateral unit, the public structure of raw material supplying, be 4 tablewares of every unit one-shot forming, promptly every unit has 4 measuring cups (22), copies the upper and lower mould of paper for 4,4 upper and lower moulds of hot pressing, 4 pressure-vaccum dishes (74) configurations, and it is identical to copy paper matrix, hot-die, pressure-vaccum dish (74) shape, disposes complete, can be bowl, box, cup etc., present embodiment is example with the mess tin.
Shown in Figure 2 with reference to Fig. 1, the 12nd, frame, raw material tank (3) is positioned on the frame (12), the employing corrosion resistant plate is made, raw material tank (3) is gone up both sides and is established pulp elevator structure (2) respectively, and return flume (5) is positioned at raw material tank (3) top, and return flume (5) adopts corrosion resistant plate to make, every the moisture trap (4) of minute confession, the water that moisture trap is separated was in drainpipe flows into return flume (5) during the top of return flume (5) was promising.Pulp elevator structure (2) comprises measuring cup (22), promotes cylinder, slurry blow-off pipe (24), measuring cup (22) bottom is fixed head (21), measuring cup (22) is a monolithic construction with fixed head (21), promote and adopt hold-down nut (28) fixing between cylinder (27) and fixed head (21), promote cylinder (27) effect, measuring cup (22) is done upper and lower motion together with fixed head (21).Slurry blow-off pipe (24) one ends stretch in the measuring cup (22), and the other end stretches in the groove of getting the raw materials ready (6).Promoting cylinder (27) and slurry blow-off pipe (24) is fixed on the return flume (5) by fixed support (29).Measuring cup (22) top is upper sealing plate (26), between measuring cup (22) and upper sealing plate (26) sealing gasket (25) is arranged, and makes that measuring cup this moment (22) is a hermetically-sealed construction.Have compressed air inlet (23) on the upper sealing plate (26) on the measuring cup (22), compressed air inlet (23) is connected with compressed air control system.When compressed air enters in the measuring cup (22) from compressed air inlet (23), then the slurry in the measuring cup (22) is pressed in the groove of getting the raw materials ready (6) from slurry blow-off pipe (24).
The groove (6) of getting the raw materials ready adopts corrosion resistant plate to make, its position is higher than raw material tank (3) and copies paper cylinder (36), get the raw materials ready and be provided with gas control water-supply valve (13) between groove (6) and return flume (5), getting the raw materials ready is provided with liquid level regulator in the groove (6), and gas control water-supply valve (13) and liquid level regulator control flow into thin pulp water consumption in the groove (6) of getting the raw materials ready from return flume (5).
Shown in Fig. 1, Fig. 3-8, be provided with frame (12) and copy paper shaping mechanism (7), it comprises copies paper cylinder (36), copies paper counterdie (39), copies paper patrix (34), copies paper patrix lift cylinder (31), copies paper patrix lifting guide pillar (32), copy paper cylinder (36) and join, copy paper cylinder (36) and adopt corrosion resistant plate to make with the grout outlet of groove (6) of getting the raw materials ready.Destroy paper cylinder (36) bottom and be provided with vacuum, dewatering and drainage pipe (40), vacuum, dewatering and drainage pipe (40) are connected with plumbing pump (9), vacuum-control(led) system.Copy paper counterdie (39) and be positioned at the bottom of destroying paper cylinder (36), be installed with negative pressure cavity (43) in the paper patrix (34) with copying copying that paper counterdie (39) fits like a glove, negative pressure cavity (43) is connected with vacuum-control(led) system.Copy paper patrix (34) and copy paper patrix lifting guide pillar (32), copy paper patrix lift cylinder (31) and be connected, copying paper patrix (34) can move up and down under lift cylinder (31) effect, copy paper patrix (34) and copy to be provided with between paper patrix lift cylinder (31) and copy paper patrix locator (33), the adjustment of position makes it to fit like a glove when being used to copy the upper and lower mould matched moulds of paper.Copy and also be provided with slide bar (35) on the paper patrix (34) and copy paper patrix sliding cylinder (37), make that copying paper patrix (34) can make move left and right under sliding cylinder (37) effect on slide bar (35).
Copy to have on paper counterdie (39) face and meet the aperture (41) of copying paper moulding particular requirement, copy paper counterdie (39) cladding woven wire (38), on the woven wire (38) of copying paper counterdie (39) periphery, be provided with slurry resistance plate washer (42), make slurry be evenly distributed by each position requirement of strength of tableware, make to copy paper products solid, firm, simultaneously, periphery is neat, need not die-cut again.
Copy paper patrix (34) interior wall liner one deck wool felt (44), copy and establish air-breathingly with aperture (45) on paper patrix (34) face, guarantee that the vacuum suction and raise process is not hindered to copy paper products.
Shown in Fig. 1, Fig. 3, Fig. 9-12; establish hot-forming mechanism (1) on frame (12), it comprises hot pressing patrix (56), hot pressing counterdie (57), hot pressing patrix lift cylinder (51), hot pressing patrix lifting guide pillar (53), hot pressing counterdie sliding cylinder (62), slides guide rail (60).Hot pressing patrix lift cylinder (51) is fixed on the locating support (54), and an end of hot pressing patrix lifting guide pillar (53) is fixed on the locating support (54) by the guide rod sliding sleeve, and the other end is connected with hot pressing patrix (56).Hot pressing patrix (56) moves up and down with lifting guide pillar (53) under hot pressing patrix lift cylinder (51) effect.Be provided with hot pressing patrix locator (55) between hot pressing patrix (56) and hot pressing patrix lifting guide pillar (53), the position adjustment when being used for matched moulds.Hot pressing counterdie (57) links to each other with hot pressing counterdie sliding cylinder (62), under hot pressing counterdie sliding cylinder (62) effect, makes hot pressing counterdie (57) to make move left and right sliding on the guide rail (62).Hot pressing counterdie (57) bottom is provided with hot pressing counterdie locator (59), the position adjustment when being used for matched moulds.
Be equipped with electric heating tube (58) in hot pressing patrix (56) and the hot pressing counterdie (57), steam discharge chamber (64) is arranged in the hot pressing counterdie (57), steam discharge chamber (64) links to each other with gland steam exhauster (61), gland steam exhauster (61) is connected with vacuum, compressed air control system, have exhaust hole (65) on hot pressing counterdie (57) face, woven wire (63) is arranged above again,, prevent that goods are fried broken the steam that produces is discharged when the hot pressing.
With reference to Fig. 1, Fig. 9, shown in Figure 13 and 14, go up making and settlement product unloading devices (8) in frame (12), it comprises that goods take out lift cylinder (72), goods take out sliding cylinder (79), goods take out lifting guide pillar (73), slide bar (76) and pressure-vaccum dish (74), pressure-vaccum dish (74) is fixed on the connecting plate (71), pressure-vaccum dish (74) and vacuum, compressed air control system is connected, slide bar (76) two ends are fixing by sliding support (75), goods take out sliding cylinder (79) and link to each other with slide block (77), slide block links to each other with elevating mechanism support (78), under sliding cylinder (79) effect, slide block (77) drives elevating mechanism support (78) and make move left and right on slide bar (76).Piston rod, lifting guide pillar (73) that goods take out lift cylinder (72) link to each other with elevating mechanism support (78), take out under lift cylinder (72) effect at goods, cylinder block drives connecting plate (71) and pressure-vaccum dish (74) moves up and down on goods taking-up lifting guide pillars (73).
Its course of work is: mixed raw material is placed in the raw material tank (3), start motor (10), transmission device drive agitator (11) stirring, simultaneously with electric heating tube (58) preheating in the upper and lower mould of hot pressing, start the plumbing pump.Paper pulp promotes cylinder (27) effect, drives fixed head (21) and moves downward (every pulp elevator structure of present embodiment has two measuring cups) together with measuring cup (22).After measuring cup (22) extracts paper pulp, promote cylinder (27) answer with measuring cup and rise.When moving to upper sealing plate (26), measuring cup (22) is sealed naturally by sealing gasket (25).Compressed air enters from the compressed air inlet (23) on the upper sealing plate (26), and slurry is pressed in the groove of getting the raw materials ready (6) from slurry blow-off pipe (24).Flow out gauge water and join the groove of getting the raw materials ready (6) in return flume (5), carry out thin pulp, the thin pulp water is by fluid level controller and gas control water-supply valve (13) control.At this moment, hoisting mechanism repeats to get the material action.
The quantitative slurry that dilution is good is put into from the groove of getting the raw materials ready (6) and is copied paper cylinder (36), is lower than the groove of getting the raw materials ready (6) owing to destroy the position of paper cylinder (36), and slurry enters to copy and forms nature in the paper cylinder (36) and stir.In plumbing pump (9) effect, pulp-water is discharged from vacuum, the dewatering and drainage pipe (40) of destroying paper counterdie (39) bottom, and the water of discharge is squeezed in the return flume (5).Slurry matter is adsorbed on the model of destroying paper counterdie (39) according to the requirement of the different thickness in the product position of setting, and forms and copies paper products.The vacuum-control(led) system effect is to copying the paper products negative pressure, make and copy paper products moisture content and further blot, copy paper patrix lift cylinder (31) effect, copying paper patrix (34) moves downward by destroying paper patrix lifting guide pillar (32) location, make and copy the upper and lower mould matched moulds pressurization of paper, copy paper counterdie (39) effect negative pressure simultaneously, further press suction to copying paper products, the mass dryness fraction of copying paper products is reached about 20%, the water of secondary negative pressure sucking-off sucks moisture trap (4), and flow in the return flume (5), form self water circulation.
Copy paper patrix (34) suction function, the paper products of copying that will copy on the paper counterdie (39) are inhaled thereon, copy paper patrix lift cylinder (31) effect, and inhaling has the paper patrix (34) of copying of copying paper products to move up to original position.At this moment; copy paper patrix sliding cylinder (37) effect; suction has the paper patrix (39) of copying of copying paper products to go up slip at slide bar (35); slide to hot pressing counterdie (57) directly over the time; copy paper patrix lift cylinder (31) effect, copy paper patrix (34) and move downward by destroying paper patrix lifting guide pillar (32) location.
During to hot pressing counterdie (57), copy paper patrix (34) negative pressure and disappear, hot pressing counterdie (57) suction function, the paper products of copying on the paper patrix (34) of copying are inhaled on the hot pressing counterdie (57), meanwhile, copy paper patrix (34) and return, and repeat action earlier.Hot pressing counterdie sliding cylinder (62) effect drives hot pressing counterdie (57) and presses mould (56) direction and move along sliding guide rail (60) thermotropism.Move to hot pressing patrix (56) under the time, hot pressing patrix lift cylinder (51) effect, hot pressing patrix (56) is moved down by hot pressing patrix lifting guide pillar (53) location, the matched moulds compacting, translational speed is controlled by one-way throttle valve (52).Producing producing steam during hot pressing is discharged by the gland steam exhauster (61) that is connected with vacuum, compressed air control system.Hot pressing finishes, and hot pressing patrix (56) is back to apical position.
Goods take out sliding cylinders (79) effect, and drive elevating mechanism support (78) is depressed mould (57) direction by the slide block that is fixed on support (77) at the last thermotropism of slide bar (76) and moved.When pressure-vaccum dish (74) moves on to hot pressing counterdie (57) when top, goods take out lift cylinders (72) effect, and lift cylinder (72) takes out lifting guide pillar (73) the positioning belt plate (71) that is dynamically connected by goods and moves down together with pressure-vaccum dish (74).When pressure-vaccum dish (74) moves on the hot pressing counterdie (57), pressure-vaccum dish (74) negative pressure of vacuum effect, hot pressing counterdie (57) compressed air blows out the paper dinner set product simultaneously, and the paper dinner set product is inhaled on pressure-vaccum dish (74).Goods take out lift cylinder (72) effect, drive pressure-vaccum dish (74) and move up.Goods take out sliding cylinder (79) effect, drive elevating mechanism support, pressure-vaccum dish (74) move left and right, return and put in place, and the pressure-vaccum dish stops negative pressure, give compressed air, and the paper dinner set product is placed in the finished product case.
Claims (5)
1, a kind of paper table ware device for automatically molding, comprise frame (12), plumbing pump (9), motor (10), agitator (11), pulp elevator structure (2), copy paper shaping mechanism (7), hot-forming mechanism (1), goods unloading device (8) and raw material tank (3), return flume (5), the groove of getting the raw materials ready (6), moisture trap (4) and gas control water-supply valve (13), it is characterized in that:
I. pulp elevator structure (2) is positioned at raw material tank (3) top, comprise that measuring cup (22), paper pulp promote cylinder (27), slurry blow-off pipe (24), measuring cup (22) bottom connects fixed head (21), measuring cup (22) top is provided with the upper sealing plate (26) of offering compressed air inlet (23), slurry blow-off pipe (24) one ends stretch into measuring cup (22), and the other end stretches into the groove of getting the raw materials ready (6);
Ii. copying paper shaping mechanism (7) comprises and copies paper cylinder (36), copies paper counterdie (39), copies paper patrix (34), copying paper counterdie (39) is positioned at and destroies paper cylinder (36) bottom, die face is established aperture (41), destroy paper cylinder (36) bottom and connect vacuum, dewatering and drainage pipe (40), copy paper patrix (34) Nei Liu and establish negative pressure cavity (43), copy and offer the air-breathing water hole (45) of using on paper patrix (34) die face;
Iii. hot-forming mechanism (1) comprises hot pressing patrix (56), hot pressing counterdie (57), folder is established electric heating tube (58) in hot pressing counterdie (57) and the hot pressing patrix (56), hot pressing counterdie (57) Nei Liu establishes steam discharge chamber (64), establishes exhaust hole (65) on hot pressing counterdie (57) face;
Iiii. goods unloading device (8) comprises pressure-vaccum dish (74), and pressure-vaccum dish (74) is fixed on the connecting plate (71), and pressure-vaccum dish (74) is connected with vacuum, compressed air control system.
2, paper table ware device for automatically molding according to claim 1, the groove (6) that it is characterized in that getting the raw materials ready are higher than raw material tank (3) and copy paper cylinder (36), and paper pulp promotes cylinder (27) and is positioned between the measuring cup (22).
3, paper table ware device for automatically molding according to claim 1, it is characterized in that copying paper counterdie (39) bag and establish woven wire (38), woven wire (38) periphery is established slurry resistance plate washer (42), destroy paper patrix (34) bottom and establish and copy paper patrix locator (33), copy the interior wall liner felt of paper patrix (34) (44).
4, paper table ware device for automatically molding according to claim 1, it is characterized in that establishing hot pressing patrix locator (55) and hot pressing counterdie locator (59) bottom hot pressing patrix (56) and the hot pressing counterdie (57), hot pressing counterdie (57) bag is established woven wire (38).
5, according to claim 1 or 3 or 4 described paper table ware device for automatically molding, it is characterized in that copying paper upper die and lower die (34,39), hot pressing upper die and lower die (56,57) are identical with the quantity of pressure-vaccum dish (74), and shape is similar, configuration quantity is 8-16, is good with even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96230833 CN2273328Y (en) | 1996-10-08 | 1996-10-08 | Automatic-forming device for paper dinnerware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96230833 CN2273328Y (en) | 1996-10-08 | 1996-10-08 | Automatic-forming device for paper dinnerware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2273328Y true CN2273328Y (en) | 1998-01-28 |
Family
ID=33908164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96230833 Expired - Fee Related CN2273328Y (en) | 1996-10-08 | 1996-10-08 | Automatic-forming device for paper dinnerware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2273328Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476139A (en) * | 2017-08-03 | 2017-12-15 | 福建绿叶机器人科技有限公司 | A kind of string environment protecting tableware production line and preparation method |
| CN107815930A (en) * | 2017-10-18 | 2018-03-20 | 浙江家得宝科技股份有限公司 | A kind of pulp tableware moulding machine and its processing method |
| CN112297396A (en) * | 2020-10-09 | 2021-02-02 | 江苏国力锻压机床有限公司 | Environmental protection organic tableware wet-pressing forming servo pump control system |
| CN112297397A (en) * | 2020-10-09 | 2021-02-02 | 江苏国力锻压机床有限公司 | Wet pressing forming method of environment-friendly organic tableware |
-
1996
- 1996-10-08 CN CN 96230833 patent/CN2273328Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476139A (en) * | 2017-08-03 | 2017-12-15 | 福建绿叶机器人科技有限公司 | A kind of string environment protecting tableware production line and preparation method |
| CN107476139B (en) * | 2017-08-03 | 2023-11-24 | 福建绿叶机器人科技有限公司 | Plant fiber environment-friendly tableware production line and preparation method |
| CN107815930A (en) * | 2017-10-18 | 2018-03-20 | 浙江家得宝科技股份有限公司 | A kind of pulp tableware moulding machine and its processing method |
| CN112297396A (en) * | 2020-10-09 | 2021-02-02 | 江苏国力锻压机床有限公司 | Environmental protection organic tableware wet-pressing forming servo pump control system |
| CN112297397A (en) * | 2020-10-09 | 2021-02-02 | 江苏国力锻压机床有限公司 | Wet pressing forming method of environment-friendly organic tableware |
| CN112297397B (en) * | 2020-10-09 | 2022-04-15 | 江苏扬力液压装备有限公司 | Wet pressing forming method of environment-friendly organic tableware |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |