CN2791441Y - Pneumatic grease gun capable of using grease ball and bulk grease - Google Patents
Pneumatic grease gun capable of using grease ball and bulk grease Download PDFInfo
- Publication number
- CN2791441Y CN2791441Y CN 200520019504 CN200520019504U CN2791441Y CN 2791441 Y CN2791441 Y CN 2791441Y CN 200520019504 CN200520019504 CN 200520019504 CN 200520019504 U CN200520019504 U CN 200520019504U CN 2791441 Y CN2791441 Y CN 2791441Y
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- fat
- grease
- gun barrel
- bullet
- bucket
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- Expired - Fee Related
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Abstract
The utility model relates to a pneumatic grease gun which can use a grease ball and can also use bulk grease, and the utility model is a grease filling tool. A traditional spring grease pushing grease gun has many disadvantages in use, such as, difficult spring pulling, difficult grease filling, frequent grease stop, gun blocking, serious wasting and pollution, etc. Accordingly, the Chinese patent ZL99216411.7 and the Chinese patent 90206714.1 respectively provides a new grease gun and a grease ball which eliminate some of the disadvantages and have the disadvantages of complicated structure, high cost, etc., just a grease ball can be used and bulk grease can not be used. A pneumatic grease gun of the utility model forms enclosed space in an oil pipe system of the grease gun, and grease is propelled by pneumatic pressure; as the utility model uses a novel grease propelling piston, a novel grease ball and a grease collection and filling device, the structure of the grease gun is made to be simple, and the use is convenient; in addition, the grease gun can use a grease ball and can also use bulk grease.
Description
Affiliated technical field
A kind of air pressure fat rifle that can use the consistent lubricant bullet can use fat in bulk again is a kind of grease adding instrument.
Background technique
Traditional manual spring pushes away the fat grease gun, a lot of drawbacks are arranged in use, seriously polluted as extension spring effort, dress fat difficulty, waste, when installing consistent lubricant additional, easily form air mass greatly in the consistent lubricant, sneak into reasons such as impurity and spring thrust deficiency, often occur disconnected fat, stifled rifle phenomenon during greasing; And the pressure that remaining consistent lubricant is subjected to spring for a long time in the gun barrel can be separated out machine oil and caused rotten and severe contamination of consistent lubricant or the like ...
For this reason, " the grease bullet " that " a kind of novel grease gun " that Chinese patent ZL99216411.7 provides and Chinese patent 90206714.1 provide, though eliminated more above-mentioned drawbacks, but still have complex structure, product cost height, and can only use the lubricating grease bullet, can not the lower deficiencys such as fat in bulk of user cost.
Summary of the invention
The purpose of this utility model is to provide that a kind of structure is simpler, work is more reliable, it is easier to use, and product cost is lower, can not only use the lubricating grease bullet, also can use the air pressure of fat in bulk to push away fat fat rifle.
The purpose of this utility model is achieved through the following technical solutions:
Fat cylinder upper end-hole at the pump housing is established a step hole, adorn " O " type cushion rubber in the hole, cushion rubber aperture and plunger diameter coupling are interference fit, and plunger can slide in the hole smoothly, the cushion rubber external diameter is same as the step hole aperture, and obstruction of installing in step hole is stopped up external diameter and become drive fit with the step hole internal diameter, and obstruction is pressed on " O " type circle, stop up endoporus and become movingly with plunger.
The fat pump housing is threaded with the gun barrel employing, and oil resistant glue seal washer of between installing, the packing ring endoporus communicates with pump housing fat hole, for guaranteeing to realize sealing, washer outer diameter should be greater than the gun barrel external diameter, for this reason, root at pump housing tapped hole processes a circle groove, and in fact the groove position is exactly the Gewindefreistiche position, packing ring is installed in the groove, establish the highly identical boss of inside and outside two circles on the exterior edge face of packing ring, the external diameter of outer ring boss is slightly less than the gun barrel internal diameter, and offers the groove of circle " V " tee section on boss, the channel bottom diameter is same as fat bullet front end bore, so that fat bullet front end location.The inner ring boss then is provided with along packing ring center hole periphery, offers a depot fat groove in fat pump housing tapped hole bottom surface, and its width is identical with the fat hole diameter, and along external diameter, its long axis is parallel with plunger axis less than fat bullet front port for its length.
Two-sided leather bucket of oil resistant glue of installing in gun barrel, two leather cups are horn-like, the piston stage casing is cylindrical, its periphery is provided with multiple tracks rib ring, rib ring external diameter and two leather cup mouths all are suitable interference fit with gun barrel internal diameter coupling along external diameter, make leather cup can with the sturdy sealing of gun barrel inwall, can slide smoothly along barrel again, leather cup length should suit, and prevents upset in service.
When using the fat rifle, for preventing that dosing consistent lubricant in bulk in gun barrel big air mass occurs, disconnected fat phenomenon appears when causing greasing, and the utility model is provided with supporting consistent lubricant and adopts the dress device, adopting the dress device has a cylindrical depot fat bucket, and the outer bilateral symmetry of bucket is provided with two axial inclines.Bung has a step hole along the place, its aperture and gun barrel external diameter are complementary, and can block to be sitting on the gun barrel.Outside center portion is provided with a keyhole stake at the bucket end, bilateral symmetry is provided with two keyways in the hole, be inserted with bilateral symmetry in the hole and be provided with the push rod of key bar, push rod can be movable smoothly up and down in keyhole, the push rod upper end adopts drive fit that circular pressure handle is housed, and the end of push rod in the depot fat bucket adopts drive fit that platen is housed, and adopts drive fit that oil resistant rubber bowl is housed on the platen, leather cup and depot fat bucket coupling are interference fit, and can slide smoothly in bucket.
When in gun barrel, dosing fat in bulk, earlier gun barrel is screwed off from the pump housing, and will push away the fat piston and place gun barrel front end and gun barrel mouth, again the gun barrel front end upwards is erected on the supporting surface, hand-heldly then adopt the depot fat bucket of adorning device and press to consistent lubricant in bulk along concordant.Along with consistent lubricant progresses into the depot fat bucket, leather cup, push rod also rise thereupon, after consistent lubricant is filled in the bucket, hand-held push rod pressure handle, with depot fat bucket 1～2 week of rotation, incline will separating barrel week consistent lubricant, can mention and adopt the dress device, again the depot fat bucket is seated on the gun barrel, press down pressure handle then, by leather cup consistent lubricant is pushed gun barrel, push away fat and finish, the depot fat tube was rotated counterclockwise for 1～2 week, can take off the depot fat bucket, so repeatable operation is 2～3 times, gun barrel can be filled it up with consistent lubricant.It is not only efficient and convenient to adopt dress fat like this, and can make consistent lubricant fit closely knitly with pushing away the fat piston, does not have big air mass in the consistent lubricant.Before gun barrel is loaded onto the pump housing, unidirectional outlet valve in the pump housing must be filled consistent lubricant (this work should be finished by factory) to the oil circuit between the seal washer center hole before the fat rifle dispatches from the factory.Then the gun barrel appropriateness is tightened on the fat pump housing, make itself and rubber cushion driving fit, like this, push away to gun barrel at the unidirectional fuel tap of the pump housing between the oil circuit of fat piston and will form a confined space, when the stretch-draw depression bar, owing to can produce negative pressure in the fat cylinder, air pressure will promote the fat piston consistent lubricant is sent into the fat cylinder, when receiving moulded rod, the consistent lubricant in the fat cylinder will pump, can the normal running greasing.
If use the lubricating grease bullet, then should bonnet be set at the fat gun back end, bonnet adopts with Gun tube for supplying lubricant and is threaded, bonnet end face center is provided with vent, bonnet end face inwall is provided with one in front and one in back inside and outside two circle grooves, be equipped with in the forward outer ring groove O-ring seal and with the gun barrel rear port along joining, be equipped with in the inner ring groove after leaning on O-ring seal and with lubricating grease bullet rear port along joining, the height difference of two seal ring end faces equals the height difference of fat bullet and gun barrel.The lubricating grease bullet front port supporting with the utility model is identical along " V " shape channel bottom diameter on the seal rubber pad in the diameter and the pump housing.The bottom of fat bullet be barrel-shaped in the plug bottom, be provided with multiple tracks rib ring bottom cylindrical wall week outward, rib ring external diameter and barrel diameter coupling is interference fit and can slip smoothly in stack shell, the length of fat bullet is longer than the length of gun barrel, the discrepancy in elevation be 5～6 millimeters more suitable., then fat bullet front end is aimed at gun barrel and directly pack into along having filled lubricating grease to fat bullet bottom front end from fat bullet front port, appropriateness screws bonnet again, then two cushion rubbers on the bonnet respectively with gun barrel and cylinder driving fit simultaneously.Confined space will be formed at the unidirectional fuel tap of the pump housing between the oil circuit of fat bullet bottom like this, then the depression bar greasing can be pulled.Fat bullet bottom in the utility model both can play the packing effect, also can play the effect that pushes away the fat piston.
Need to prove that if special-purpose consistent lubricant in bulk, bonnet can be established in the gun barrel rear end, also can not establish bonnet, bonnet only rises dustproof and beauty function, the flexible connection that can adopt screw thread, seizing type that is connected of bonnet and gun barrel; Also can adopt the fixedly connected of drive fit, adhesives.If special grease bullet, because the not contact lubricated fat of gun barrel and do not bear the brute spring effect, so gun barrel just can adopt TPO ordinary resin material to make, and gun barrel and the pump housing can adopt the flexible connection of thread type, also can adopt fixed connections such as bonding.
The beneficial effects of the utility model are that the fat rifle is simple in structure, cost is low, can not only use the consistent lubricant bullet, can also use the lower lubricating grease in bulk of price, and adopt efficient and convenient, the no air mass of dress consistent lubricant, can ensure fat rifle proper functioning.The fat cylinder need not higher-strength, and cylinder can be made with low-intensity material, and programmable comparatively frivolous, can significantly reduce the cylinder cost, when the special-purpose grease bullet, that gun barrel can adopt is in light weight, price is low, easy processing, and is difficult for making because of the TPO ordinary resin material that collision is out of shape.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified
Fig. 1 is the vertical section structure figure of the utility model embodiment one fat rifle
Fig. 2 is vertical part surface structural drawing and the resin tapping schematic representation that the utility model embodiment one consistent lubricant is adopted the dress device
Fig. 3 is that consistent lubricant is adopted the left view of dress device and the schematic representation of dress during fat in gun barrel
Fig. 4 is the utility model embodiment two vertical section structure figure
1. depression bars, 2. cushion rubbers stop up 3. oil resistant glue "O"-rings, 4. plungers, 5. fat cylinders, the 6. unidirectional fuel tap steel ball 7. fat pump housings 8. pump housing grease storage grooves 9. oil resistant glue seal washers 10. gun barrels 11. lubricating grease 12. fat holes 13. leather buckets 14. bonnets 15. gun barrel O-ring seals 16. cylinder O-ring seals 17. consistent lubricant containers 18. depot fat buckets 19. inclines 20. leather cups 21. platens 22. keyhole stakes 23. push rods 24. key bars 25. pressure handles 26. fat bullets 27. polymer gun barrels 28. fat bullet bottoms among the figure
Embodiment
Fig. 1 is the sectional view of the utility model embodiment one fat rifle
In the port of fat cylinder (5), establish a step hole among the figure, an installing oil resistant glue round section joint ring (3) in the hole, its aperture and plunger (4) coupling is interference fit, and plunger can be free to slide in the hole, stop up (2) and become drive fit with the step hole of fat cylinder (5), stop up (2) mouthful edge and be pressed on the cushion rubber (3), the endoporus of obstruction and plunger coupling are for movingly.
Bottom surface at the pump housing (7) tapped hole offers grease storage groove (8), and groove width is same as the bore of fat hole (12), and flute length is less than fat cylinder neck external diameter, and the long axis direction of groove is parallel to plunger axis.
The pump housing (7) adopts with gun barrel (10) and is threaded, be provided with oil resistant glue seal washer (9) between the two, packing ring periphery and pump housing Gewindefreistiche wall phase are pasted, the exterior edge face of packing ring is provided with inside and outside two circle boss, the external diameter of outer ring boss is slightly less than the groove that offers circle " V " tee section on gun barrel internal diameter and the boss, the channel bottom diameter is same as fat cylinder front port along diameter, and the inner ring boss is provided with along packing ring center hole periphery.
A two-sided leather bucket of oil resistant glue (13) is housed in the gun barrel, the two ends leather cup is horn-like, and the piston stage casing is cylindrical, and its periphery is provided with multiple tracks rib ring, rib ring external diameter and two leather cup mouths all are interference fit with gun barrel internal diameter coupling along external diameter, and piston can slide in gun barrel smoothly.
To coat consistent lubricant on plunger (4) surface and fat cylinder (5) inwall, and to the oil circuit of packing ring (9) center hole, fill up lubricating grease (11) (this work should be finished by factory) before the fat rifle dispatches from the factory at unidirectional fuel tap steel ball (6).
Gun barrel adopts with bonnet (14) and is threaded, bonnet end face center is provided with vent, bonnet end face inwall is provided with one in front and one in back inside and outside two circle grooves, be equipped with in the forward outer ring groove gun barrel O-ring seal (15) and with the gun barrel rear port along joining, be equipped with in the inner ring groove after leaning on cylinder O-ring seal (16) and with the cylinder rear port along joining.Two seal ring end face height difference equal the height difference of fat bullet and gun barrel.
Fig. 2 adopts the vertical section structure figure of dress device and gets the fat schematic representation for the utility model embodiment one consistent lubricant
Among the figure, in the mouth edge of depot fat bucket (18) step hole is set, the aperture becomes movingly with gun barrel (10) external diameter, the depot fat bucket can be blocked be sitting on the gun barrel.Depot fat bucket internal diameter is slightly less than the gun barrel internal diameter, depot fat bucket outer wall is arranged with two inclines (19), the outstanding keyhole stake (22) in center portion outside at the bottom of the bucket, symmetry is offered two keyways on its inner hole wall, the bilateral symmetry of push rod (23) is provided with two key bars (24), key bar and push rod and keyhole can slide in keyhole smoothly for movingly.The push rod upper end adopts drive fit that circular pressure handle (25) is housed, uniform many grooves in pressure handle border, the push rod lower end is stretched in the depot fat bucket and is adopted drive fit that platen (21) is housed, platen is provided with a circle groove, oil resistant rubber bowl (20) just is installed in the groove and center hole of platen, leather cup (20) external diameter and depot fat bucket (18) internal diameter coupling are interference fit, and can slide smoothly in bucket.
When using consistent lubricant to adopt the dress device, hand-held depot fat bucket upper end, be pressed to the lubricating grease in the container (17), along with consistent lubricant progresses in the depot fat bucket, leather cup, push rod and pressure handle rise thereupon, till joining at the bottom of platen (21) and the depot fat bucket bucket, then pressure handle (25) are rotated several weeks, incline (19) just can separate bucket week consistent lubricant, can hold pressure handle and will adopt the proposition of dress device.
In gun barrel during stuffing; as shown in Figure 4; vertically be placed on gun barrel on the supporting surface; leather bucket (13) is placed the Kou Yanchu of gun barrel (10); again depot fat bucket (18) card is sitting in the mouth of gun barrel (10) along last; press down pressure handle (25) consistent lubricant then and promptly be pressed into gun barrel; contact with keyhole stake (22) until pressure handle, at this moment, leather cup (20) mouthful along with depot fat bucket (18) internal orifice along concordant; all be pressed into consistent lubricant in the bucket in the gun barrel; and then pressure handle (25) is rotated counterclockwise several weeks, can mention and adopt the dress device, so repetitive operation; push the gun barrel rear port to along the place until the leather bucket that will be in the gun barrel front end (13); gun barrel can be loaded onto the greasing of the fat pump housing, adopt the dress consistent lubricant with this device, can not only guarantee does not have big air mass in the consistent lubricant; and simple and convenient, reduce and pollute and waste.
Certainly also can adopt other implements in gun barrel, to install consistent lubricant in bulk additional, as long as dress is real.
If use the lubricating grease bullet, should earlier gun barrel bonnet (14) be screwed off, fat bullet loam cake is taken down, again fat bullet front end is aimed at gun barrel and directly pack into, appropriateness screws bonnet then, makes its sealing, gets final product greasing.
Fig. 4 is the utility model embodiment two a sectional view
The situation that present embodiment is described when being the utility model special grease bullet, among the figure, embodiment two with embodiment one difference is:
The pump housing (7) and polymer gun barrel (27) adopt and are threaded (also can adopt bonding etc. fixedly connected), do not establish leather bucket (13) in the gun barrel, and all the other structures all are same as embodiment one.Technical requirements to supporting fat bullet is: fat bullet (26) is by loam cake, the tube neck, the tube shoulder, stack shell, bottom and lubricating grease constitute, the tube neck, stack shell is cylindrical, the tube neck is thinner slightly than stack shell, the tube shoulder is truncated cone, bottom is barrel-shaped interior plug bottom, the tube eck is along filling consistent lubricant in the cylinder to bottom, a round platform is given prominence in bottom (28) bottom surface, the round platform front end is cylindrical, its external diameter is less than tube neck internal diameter, it highly is same as a neck height, and the round platform rear end is a truncated cone, and its peripheral dimension is measure-alike with tube shoulder circular cone interior week of part, bottom (28) rear portion is cylindrical, its wall week is provided with multiple tracks rib ring, and rib ring external diameter and fat bullet (26) barrel diameter coupling are interference fit, and bottom can slide in cylinder smoothly.
When using the fat bullet, fat bullet loam cake is removed, fat bullet front end is aimed at the gun barrel gun barrel of directly packing into, appropriateness screws bonnet again, makes its sealing, can pull the depression bar greasing.Greasing finishes, and the gun barrel bonnet is screwed off, and hand-held cylinder rear port can be pulled out brass along rotating several weeks.
Claims (5)
1. the air pressure fat rifle that can use the consistent lubricant bullet can use fat in bulk again is a kind of grease adding instrument, it is by depression bar (1), plunger (4), fat cylinder (5), the pump housing (7), seal washer (9), gun barrel (10), leather bucket (13) and bonnet (14) constitute, it is characterized in that, the port of fat pump (5) is provided with step hole, " O " shape cushion rubber (3) is housed in the hole, " O " circle internal diameter becomes interference fit with plunger diameter, but plunger can slide in the hole smoothly, stop up (2) and become drive fit with step hole, obstruction is pressed on " O " type circle, offer grease storage groove (8) in the pump housing (7) tapped hole bottom surface, groove width is same as the bore of fat hole, flute length is less than fat cylinder neck external diameter, the long axis direction of groove is parallel to plunger axis, the external diameter of seal washer (9) is greater than the external diameter of gun barrel (10), its periphery is pasted mutually with the pump housing (7) Gewindefreistiche inwall, the packing ring exterior edge face is provided with the highly identical boss of inside and outside two circles, outer ring boss external diameter is slightly less than the internal diameter of gun barrel (10), and on boss, offer the groove of " V " tee section, the channel bottom diameter is same as fat bullet (26) tube eck footpath, the inner ring boss is provided with along packing ring center hole periphery, two-sided leather bucket (13) is housed in the gun barrel (10), two leather cups are horn-like, the piston middle part is cylindrical, its periphery is provided with multiple tracks rib ring, rib ring external diameter and two leather cup mouths all are interference fit with gun barrel internal diameter coupling along external diameter, and piston can slide in gun barrel smoothly, the end face center of gun barrel bonnet (14) is provided with vent, on bonnet end face inwall, be provided with one in front and one in back inside and outside two circle grooves, gun barrel seal ring (15) is housed in the forward outer ring groove, cylinder seal ring (16) is housed in the inner ring groove after leaning on, and two seal ring end face height difference equal the height difference of fat bullet and gun barrel.
2. a kind of air pressure fat rifle that can use the lubricating grease bullet can use fat in bulk again according to claim 1, it is characterized in that being provided with supporting consistent lubricant bullet (26), the fat bullet is by loam cake, the tube neck, the tube shoulder, stack shell, bottom (28) and consistent lubricant (11) constitute, the tube neck, stack shell is cylindrical, the tube neck is thinner slightly than stack shell, the tube shoulder is truncated cone, bottom (28) is barrel-shaped interior plug bottom, a round boss is given prominence in the bottom bottom surface, the boss front end is cylindrical, its external diameter is less than fat cylinder neck internal diameter, height is identical with the tube neck, the boss rear portion is a truncated cone, and its peripheral dimension is measure-alike with tube shoulder circular cone interior week of part, and bottom (28) rear portion is cylindrical, its periphery is provided with multiple tracks rib ring, the barrel diameter coupling of rib ring external diameter and fat bullet (26) also can be slided in cylinder smoothly for interference fit, and along fill lubricating grease to the cylinder of bottom front end, fat bullet length is greater than gun barrel length at the tube eck.
3. a kind of air pressure fat rifle that can use the lubricating grease bullet can use fat in bulk again according to claim 1, it is characterized in that, be provided with special-purpose consistent lubricant and adopt the dress device, it is by depot fat bucket (18), incline (19), leather cup (20), platen (21) push rod (23) and pressure handle (25) are formed, be provided with step hole in the mouth edge of depot fat bucket (18), its internal diameter becomes movingly with the external diameter of gun barrel (10), the internal diameter of depot fat bucket (18) is slightly less than the gun barrel internal diameter, bucket the outstanding keyhole stake (22) in center portion at the end, offer two keyways on its inner hole wall, the outer wall of push rod (23) is arranged with two key bars (24), push rod (23) and key bar become movingly with keyhole, push rod (23) termination adopts drive fit to be equiped with platen (21), platen is provided with a circle groove, leather cup (20) just is installed in groove and the platen center hole, leather cup (20) external diameter and depot fat bucket (18) internal diameter coupling are interference fit, and can in bucket, slide smoothly, push rod (23) upper end adopts drive fit to be equiped with pressure handle (25), and pressure handle wall week is evenly equipped with many grooves.
4. a kind of air pressure fat rifle that can use the lubricating grease bullet can use fat in bulk again according to claim 1 is characterized in that if special-purpose consistent lubricant in bulk, bonnet (14) can not established in gun barrel (10) rear end.
5. a kind of air pressure fat rifle that can use the lubricating grease bullet can use fat in bulk again according to claim 1, it is characterized in that, if special grease bullet, Gun tube for supplying lubricant can be made with common polyolefin material, and polymer gun barrel (19) can adopt the activity that is threaded to connect with the pump housing (7), also can adopt the fixedly connected of bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019504 CN2791441Y (en) | 2005-05-05 | 2005-05-05 | Pneumatic grease gun capable of using grease ball and bulk grease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019504 CN2791441Y (en) | 2005-05-05 | 2005-05-05 | Pneumatic grease gun capable of using grease ball and bulk grease |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791441Y true CN2791441Y (en) | 2006-06-28 |
Family
ID=36807510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520019504 Expired - Fee Related CN2791441Y (en) | 2005-05-05 | 2005-05-05 | Pneumatic grease gun capable of using grease ball and bulk grease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791441Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113795701A (en) * | 2019-05-24 | 2021-12-14 | 三菱电机大楼技术服务株式会社 | Lubricant discharging pump |
-
2005
- 2005-05-05 CN CN 200520019504 patent/CN2791441Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113795701A (en) * | 2019-05-24 | 2021-12-14 | 三菱电机大楼技术服务株式会社 | Lubricant discharging pump |
| CN113795701B (en) * | 2019-05-24 | 2023-02-17 | 三菱电机大楼技术服务株式会社 | Lubricant discharging pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |