CN2032936U - Forming machine for wood shaving pressing products - Google Patents
Forming machine for wood shaving pressing products Download PDFInfo
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- CN2032936U CN2032936U CN 88219620 CN88219620U CN2032936U CN 2032936 U CN2032936 U CN 2032936U CN 88219620 CN88219620 CN 88219620 CN 88219620 U CN88219620 U CN 88219620U CN 2032936 U CN2032936 U CN 2032936U
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- 238000003825 pressing Methods 0.000 title claims abstract description 10
- 239000002023 wood Substances 0.000 title abstract description 6
- 230000003028 elevating effect Effects 0.000 claims abstract description 13
- 238000007731 hot pressing Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 38
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a forming machine for wood shaving pressing products. The utility model is electric controlling and full automatic hydraulic equipment of six-phase five service position curve and plane three-dimensional stamped and formed in one piece. The forming machine for wood shaving pressing products is mainly composed of a machine frame, an operating cylinder, a push-out cylinder, a cylinder elevating machinery, an electric control cabinet, a hydraulic station, a mould for hot pressing, etc. The woodenware manufactured product such as furniture, etc can be processed and pressed by a mould once. The source of feed of the woodenware manufactured product is enlarged, the timber utilization rate is enhanced, and the woodenware manufactured product provided with various curved and plane three-dimensional contouring and ridge design patterns can be manufactured.
Description
The utility model relates to the particle moulding product molding machine, more precisely is used for the make-up machine of particle moulding goods such as furniture, door, window.
Present woodenware such as furniture, some are monomer furniture or the composite furnitures that adopts the wooden frame tenon structure, and some is board-like dismountable furniture.Production process need be passed through batching-component processing-loaded down with trivial details technical process such as be connected and installed-paint, and not only needs a large amount of work, also needs a large amount of timber, thereby the cost height, yields poorly, and wooden articles generally can only be made simple straight line, planar design.If produce the wooden articles that has song attractive in appearance, flat and stereo moulding and ridge design pattern, price is just expensive more, is difficult for producing in enormous quantities.Existing particle moulding processing can only be processed the wood shavings flat sheet, or with the three-dimensional contouring of manual equipment processing simple plane, as packing case.Existing technology and equipment can not be finished the goods of the various songs of particle moulding time processing, flat and stereo moulding.
The purpose of this utility model is exactly in order to simplify the manufacturing of wooden articles such as furniture, enlarge the raw material sources of wooden articles, improve timber utilization rate, and produce have multiple song, the wooden articles of flat and stereo moulding and ridge design pattern, a kind of particle moulding product molding machine is provided.
In order to achieve the above object, the utility model is critical piece frame (60), operating cylinder (59), (68), (69), (70), (71), eject oil cylinder (61), oil cylinder lifting (57), electrical control cabinet, Hydraulic Station, hot pressing die, the appropriate combination configuration forms.Operating cylinder is installed in the end face of frame respectively, four sides.Eject oil cylinder and be contained in the bottom surface of frame.
Electrical control cabinet is mainly by motor, travel switch, the time relay; pressure switch, electrothermal relay, limit switch; indicator lamp; combination is disposed and is become main circuit, control circuit, indicating circuit; holding circuit; mainly be for equipment provides power, and operation program is controlled, be configured as electrical control hydraulic drive fully automatic system with the Hydraulic Station combination.
Circuit design has adopted the relay-contactor logic circuit to control, and can satisfy " crawl " and the single bat circulation automatically respectively of each oil cylinder.Automatically during circular flow, oil cylinder is selected three kinds of combining forms for use, there is the 1-3 stage pressure to keep in the mold process, select for use arbitrarily, every stage pressure can be adjusted combination with holding time in the scope of broad, make special equipment enlarge range of application, can adapt to the one-time formed technological requirement of multiple product mold pressing preferably.
The utility model Hydraulic Station is mainly by the high-pressure low-flow oil pump, low pressure and mass flow oil pump high-pressure overflow valve, low pressure relief valve, check valve, three-position four-way valve, two position three-way valve, two position two-way valve, adjustable throttling, the collection flow divider is combined into: high-pressure low-flow loop sets, low pressure and mass flow loop sets, eject the oil cylinder loop sets, five operating cylinder loop sets.Under the control of electric circuit, transferring power makes executing agency move by technological requirement.
Five operating cylinder loop sets, level four side oil cylinders are relatively by dress, by two collection flow divider controls; realized the same moved further of relative cylinder piston; the automatic pressurize of each branch road oil circuit, the bypass off-load, each oil cylinder refluxes; automatic deloading does not have impact; working connection superpressure off-load protection, an oil circuit is protected the power of whole hydraulic system by pressure switch; provide by a high-pressure low-flow pump and a low pressure and mass flow pump, and with the change automatically unloading of operating pressure and conversion automatically.
Hot pressing die is mainly by module, ejecting mechanism, and module is position, back position limiting structure surely, the electrical equipment self-locking protecting device, stock stop combines.Module is installed in top board respectively, and workbench is on the edge mold pressing head.Top board, edge mold pressing head is separately fixed at end face oil cylinder piston bar, on the oil cylinder piston bar of side.With the motion campaign of piston rod, ejecting mechanism and workbench with eject oil cylinder and be connected, under the effect of piston, goods are released the demoulding.Module is position, back position limiting structure surely, has concave, convex on four side modules, and ramp structure when four side form pieces are closed, plays position-limiting action.The electrical equipment self-locking protecting device mainly contains microswitch, control stick, sliding sleeve and combines.Sliding sleeve has ring groove; When control stick was in groove, no power played the self-lock protection effect.Stock stop mainly contains material blocking block, leading screw, sliding sleeve, handwheel and combines.Before adding wood shavings material in the hot pressing die chamber, rotate handwheel earlier, make leading screw drive sliding sleeve and travel forward, promote material blocking block and make on its side that is close to the front and back module, each module is moved again then, makes its mold pressing one-shot forming.This mechanism is provided with purpose, mainly is excessive in order to prevent shavings raw material.The heat medium of the module of hot pressing die can water or steam or oil.
The utility model operating cylinder and eject oil cylinder is separately fixed at the end face of frame, four sides, bottom surface.On the frame, by oil cylinder lifting is housed, this mechanism is by elevating screw below the oil cylinder of side, the lifting screw, and bearing, bearing block, conical gear, casing, gear bush combines.Lifting screw endoporus cooperates with elevating screw, conical gear and axle sleeve are equipped with in the outside, and bearing is contained in the bearing block the inside, and bearing block is fixed on the casing, the axial region of bevel pinion shaft cooperates with gear bush, gear parts and conical gear engagement, bearing holder (housing, cover) is fixed on the casing, and elevating screw connects casing and is fixed on the frame with oil cylinder, with spanner slewing circle bevel gear shaft, elevating screw is risen or decline, drive oil cylinder and module and rise or descend, thereby reach the purpose of adjusting the Center of Pressure.
Utilize the particle moulding product molding machine can produce goods such as furniture, door and window, bucket, can fully utilize timber, enlarge raw material sources, reduce production costs, enhance productivity.Goods can have multiple straight, curve, and song, flat and stereo appearance and ridge design pattern have aesthetic feeling as engraving, and the intensity height is durable, and remarkable economic efficiency and social benefit are arranged.The sofa shell of producing carries out the furniture Mechanics Performance Testing through timber industry system of Nanjing Forestry University according to international standard " ISODP7173 armchair mechanical test method ", the quiet lotus of the chair back, seat support, handrail and shock loading all reach three grades of strength criterions, satisfy the requirement to furniture intensity fully.
Below in conjunction with accompanying drawing an embodiment of the present utility model is described:
Accompanying drawing 1,2: be the sofa shell schematic diagram of particle moulding time processing.
Accompanying drawing 3: be total schematic diagram of the omnipotent compression molding forming machine of MCJ-750 ton.
Accompanying drawing 4: be main circuit diagram.
Accompanying drawing 5,6: be automatically controlled circuit diagram.
Accompanying drawing 7: be electric cyclematics.
Accompanying drawing 8: be the Hydraulic Power Transmission System schematic diagram.
Accompanying drawing 9,10: be sofa shell hot pressing die schematic diagram.
Accompanying drawing 11: be electric self-locking protecting device schematic diagram.
Accompanying drawing 12: be operating cylinder elevating mechanism schematic diagram.
Accompanying drawing 1, accompanying drawing 2 have been described a kind of sofa shell of particle moulding time processing, are by handrail bent, the plane, the backrest of curved surface, and the base on plane combines.
Accompanying drawing 3 has been described make-up machine mainly by frame (60), five operating cylinders (59), and (68), (69), (70), (71) eject oil cylinder (61), the structure and the configuring condition of oil cylinder lifting (57).The maximum working pressure (MWP) 250kg/cm of main frame oil piping system
2, the upper cylinder half closing time is not more than 30 seconds, and the pressure oscillation during the work pressurize is not more than 2kg/cm
2, oily temperature rise value is not more than 60 ℃, and upper cylinder half operating cylinder piston range is 1100mm, and four side operating cylinder piston ranges are 400mm.
Accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 has been described the electric automatic control circuit mainly by main circuit, control circuit, executive circuit, indicating circuit, holding circuit combination configuration forms.
1, main circuit: mainly by two threephase asynchronous 1D(17KW) is used for high-pressure oil pump power, 2D(5.5KW) is used for low pressure fuel pump power.Consider that many woodworking mills power transformer capacity is less, and the capacity of 1D is bigger, thereby has adopted automatic reduced-voltage starting.
2, control circuit: mainly by testing circuit, repeat circuit, the configuration of crawl combination of circuits forms.
1. the electro connecting pressure gauge in the testing circuit detects each cylinder pressure of indication, and gives when selecting pressure reaching, and sends the instruction of carrying out next program.Travel switch is accomplished bit instruction, and the time relay makes to guarantee time delayed signal.
2. the relaying change-over circuit is treated to the instruction that can make the oil cylinder correct operation by the connection combination of auxiliary reclay contact detecting the signal of sending here in the loop.
3. the crawl circuit mainly is made up of button (1DA-13DA).
3, executive circuit: executive component mainly is that the electromagnet DT of each oil circuit valve of control is controlled by the repeat circuit change-over circuit.
4, indicating circuit: establish " automatically " work indication and " crawl " work indication, the power supply indication utilizes the indicator lamp of automatic reduced-voltage starter.
5, holding circuit: air switch mainly decide circuit overloads and short-circuit protection, fuse are done the partial short-circuit protection, and electrothermal relay is made local overload protection, and pressure switch is made the pressure oil overpressure protection, and limit switch is as avoiding offside.
Accompanying drawing 7 has been described the operation program of electrical equipment and how have been controlled.
It is by high-pressure low-flow pump loop sets that accompanying drawing 8 has been described Hydraulic Power Transmission System, and the low pressure and mass flow loop sets ejects the oil cylinder loop sets, and five operating cylinder loop sets combine.
From accompanying drawing 4,5,6,7,8, electric control system has mainly been described, Hydraulic Power Transmission System formulated in combination situation has realized the working procedure that main frame automatically carries out work.
Total lock ZK that at first closes makes two threephase asynchronous 1D(17KW) and 2D(5.5KW) starting, after driving the high and low pressure oil pump and rotating, after appointing the air in idle cycle and the crawl adjustment discharge system, it is electric that (1DT) got, (7DT) simultaneously, (11DT) outage.Two oil pump output oil force the upper cylinder piston descending fast through 3-position 4-way electro-hydraulic reversing valve (13) commutation, when touching (2XK) switch, when just upper module will contact working surface, two kinds of requirements are arranged:
1, upper cylinder stops: (1DT) outage, and (3DT) simultaneously (5DT) must be electric, and fluid enters the main chamber of four side cylinders respectively through reversal valve (13), (15), make four oil cylinder F.F.s.Low pressure relief valve (9) is opened automatically when pressure surpasses the pressure of low pressure fuel pump (6), and low-lift pump is with automatic deloading.Only remaining high-pressure plunger pump (1) fuel feeding of system pressure, four side cylinders are exchanged work into by F.F., and full fashionable when four side cylinder master cavity pressures, operating pressure is 27kg/cm
2, electro connecting pressure gauge (2YB-G), pointer (3YB-G) all touch higher limit instruction (1DT) must be electric, (3DT), (5DT) outage, reversal valve (14), (15) close valve, (13) open, promptly there is the double pump fuel feeding in system, and upper cylinder half has been realized F.F..When upper cylinder half pressure during greater than the output pressure of low-lift pump (6), low pressure relief valve is opened again, the low-lift pump off-load, this moment, the upper cylinder half piston was exchanged work into, and full fashionable when upper cylinder pressure, electro connecting pressure gauge (1YB-G) is when pointer touches higher limit, instruction (1DT) outage, (7DT), (11DT) electric, shrink pointer this moment and return voluntarily to drop to and be about 24kg/cm
2, pressurize time-delay beginning, two oil pump outputs are oily through overflow valve (3), (9) off-load, delay time after 2 minutes two position three way directional control valve (22), (23), (12DT) of (24), (8DT), (9DT) must be electric, (7DT) outage, the low discharge hydraulic oil reversal valve (22) of flowing through, (23), (24), open hydraulic control one-way valve (17), (18), (21), the hydraulic oil in main chamber is through adjustable throttling (25), (26), (27) release.When hydraulic oil drops to operating pressure 18kg/cm
2The time, electro connecting pressure gauge (1YB-G) (2YB-G), (3YB-G), all reaches lower limit, touches electro connecting pressure gauge and sends signal, and instruction (7DT) gets electric, and this moment, each main oil pocket entered secondary pressurize time-delay.Level pressure pressurize 6 minutes.In pressurize time-delay process, drop to operating pressure 18kg/cm as arbitrary oil pocket pressure
2The time, low pressure electro connecting pressure gauge (1YB-D), (2YB-D), (3YB-D) independently send signal respectively and make (1DT), (3DT), (5DT) again, make (7DT) outage simultaneously, reduction voltage loop has obtained the repairing supercharging, has realized that promptly the work pressurize is at 16-18kg/cm
2Technological requirement.This kind phenomenon reaches 6 minutes purpose of time-delay.At first make (12DT), (8DT), (9DT) must be electric, (7DT) outage is unloaded and is pressed onto operating pressure 14kg/cm
2, health pressurize 10 minutes, release again is when last table of (YB-D) touches zero point during pressure, instruction (7DT), (11DT), (12DT), (9DT), (8DT) full outage, make (2DT) simultaneously, (4DT), (6DT) must be electric, each loop oil cylinder piston resets.As (1XK), when (4XK) triggering, (7DT), (11DT) get electric off-load to 0 and press.Make reversal valve in the centre position, a circulation has been finished in work, before beginning second round simultaneously, must make (8XK), after (9XK) touching, just can carry out auto-action again.Need only press (2QA) or (3QA) if continue automatic circulation.
2, upper piston is exchanged work into by F.F., and promptly (2XK) triggers back (3DT), (5DT) must be electric, and (11DT) in former operating position, three loops, five operating cylinders advance with fast speeds simultaneously ...Later working procedure is the same.
3, when not needing the upper cylinder half action, before can making, after, a left side, right cylinder enters automatic circulation separately, and principle is the same.
It is by module (43) that accompanying drawing 9,10,11 has been described the sofa shell hot pressing die; material jacking mechanism (36); module is position, back position limiting structure (35), (37), (38) surely; electric self-locking protecting device (39), (40), (41); stock stop (63), (64), (65), (41) combine.
Module is mainly by air inlet (45), and gas outlet (46), thermal insulation board (47), back of the body modular surface plate (48) combines.
Module surely back position position limiting structure by recessed (37), protruding (35), inclined-plane (38) are formed.Mainly play the extreme position that advances that limits each module.
Electric self-locking protecting device is mainly by microswitch (39), control stick (40), and sliding sleeve (41) combines.When in the annular groove of control stick in sliding sleeve, the entire circuit no power plays the effect of protection equipment.
Stock stop is mainly by material blocking block (63), leading screw (64), and handwheel (65), sliding sleeve (41) combines.Before hot pressing die is reinforced, rotate handwheel earlier screw mandrel drive sliding sleeve is advanced, promote material blocking block and be close on the corresponding module, and then make the module action.Prevent that raw material from leaking outside.
Accompanying drawing 12 has been described the operating cylinder elevating mechanism mainly by elevating screw (49), lifting screw (53), bearing (51), (52), (55), bearing block (54), conical gear (53), bevel pinion shaft (56), casing (67), gear bush (58), operating cylinder (59) combines.Make the upper and lower motion of elevating screw with spanner slewing circle bevel gear shaft (56), it is upper and lower mobile to promote oil cylinder.Reach the purpose of adjusting Mould's Pressure Center.
Claims (10)
1, a kind of particle moulding product molding machine, it is characterized in that it is a kind of six to five station songs, the automatically controlled fully automatic hydraulic equipment of flat and stereo mold pressing one-shot forming, be by critical piece frame, operating cylinder, eject oil cylinder, oil cylinder lifting, electrical control cabinet, Hydraulic Station, hot pressing die and combine, operating cylinder is installed in the end face and four sides of frame respectively, eject the bottom surface of oil cylinder in frame, the elevating mechanism of operating cylinder is contained on the following frame of side oil cylinder.
2; according to the said particle moulding product molding machine of claim 1; it is characterized in that electrical control cabinet is equipped with automatic electrical control system; mainly form: 1. main circuit by five partial circuits; mainly combine by two threephase asynchronous machines; 2. indicating circuit; mainly combine by " automatically " and " crawl " relay indicating light; 3. holding circuit; mainly by electrothermal relay; pressure switch; limit switch combines; 4. executive circuit; electromagnet DT(1DT-13DT by each oil circuit valve of control) combines; 5. control circuit; by repeat circuit (1J-24J); (1XK-9XK is 1ST-6ST) with crawl circuit (1DA-13DA) combination configuration for testing circuit.
3, according to the said particle moulding product molding machine of claim 1, it is characterized in that Hydraulic Station is mainly formed by four loop sets combination configuration: 1. high-pressure low-flow oil pump loop group: (1), (2), (3), (4), (5), 2. low pressure and mass flow loop sets: (6), (7), (8), (9), (10), 3. operating cylinder loop sets, 4. eject the oil cylinder loop sets: (11), (12) combine.
4, according to the said particle moulding product molding machine of claim 1, it is characterized in that operating cylinder is by three three position four-way electromagnetic valves (13), (14), (15), six hydraulic control one-way valves (16), (17), (18), (19), (20), (21), three two position three-way valves (22), (23), (24), three adjustable throttlings (25), (26), (27), five electro connecting pressure gauges (28), (29), (30), (31), (32), two collection flow dividers (33), (34), the combination configuration forms.
5, according to the said particle moulding product molding machine of claim 1; it is characterized in that hot pressing die is mainly by module (43); material jacking mechanism (36); module is position, back position limiting structure (35), (37), (38) surely; electric self-locking protecting device (39), (40), (41), stock stop (63), (64), (65) combine, and module is separately fixed at top board (42); edge mold pressing head (66) is on the workbench (44).
6, according to the said particle moulding product molding machine of claim 5, the module that it is characterized in that hot pressing die is mainly by advancing heat medium mouth (45), go out heat medium mouth (46), thermal insulation board (47), back of the body modular surface plate (48), combine, the heat medium that enters module can be water, steam or oil.
7,, it is characterized in that the back surely position of module position limiting structure is that module groove (37) has boss (35) and the front end in two sides to have inclined-plane (37) and front module inclined-plane (38) to constitute the position limiting structure of four side modules jointly with module rear end, two sides in the back according to claim 5 or 6 said particle moulding product molding machines.
8, according to claim 5 or 6 said particle moulding product molding machines, it is characterized in that stock stop is to be combined by material blocking block (63), sliding sleeve (41), leading screw (64), handwheel (65), stock stop is installed on the bed die.
9, according to claim 5 or 6 said particle moulding product molding machines; it is characterized in that the electrical equipment self-locking protecting device is by microswitch (39); control stick (40), sliding sleeve (41) combine and are installed on the stock stop, and stock stop is installed on the bed die.
10, according to the said particle moulding product molding machine of claim 1, it is characterized in that oil cylinder lifting is by elevating screw (49), lifting screw (53), bearing (51), (52), (55), bearing block (54), conical gear (50), bevel pinion shaft (56), casing (67), gear bush (58), the mechanism that major part is formed, the hole of lifting screw (53) cooperates with elevating screw (49), conical gear (50) and bearing (51) are equipped with in the outside, (52), bearing (51), (52) be contained in the bearing block, bearing block is fixed on the casing, and the axial region of bevel pinion shaft (56) cooperates with geared sleeve, gear parts and conical gear (50) engagement, the elevating screw top connects with oil cylinder (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88219620 CN2032936U (en) | 1988-05-01 | 1988-05-01 | Forming machine for wood shaving pressing products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88219620 CN2032936U (en) | 1988-05-01 | 1988-05-01 | Forming machine for wood shaving pressing products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2032936U true CN2032936U (en) | 1989-02-22 |
Family
ID=4851951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88219620 Withdrawn CN2032936U (en) | 1988-05-01 | 1988-05-01 | Forming machine for wood shaving pressing products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2032936U (en) |
-
1988
- 1988-05-01 CN CN 88219620 patent/CN2032936U/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| 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 |