CN213172255U - Crude oil dewaxing device for extracting and processing rice bran oil - Google Patents
Crude oil dewaxing device for extracting and processing rice bran oil Download PDFInfo
- Publication number
- CN213172255U CN213172255U CN202021720517.5U CN202021720517U CN213172255U CN 213172255 U CN213172255 U CN 213172255U CN 202021720517 U CN202021720517 U CN 202021720517U CN 213172255 U CN213172255 U CN 213172255U
- Authority
- CN
- China
- Prior art keywords
- box
- dewaxing
- box body
- rice bran
- crude oil
- 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.)
- Active
Links
- 235000019774 Rice Bran oil Nutrition 0.000 title claims abstract description 22
- 239000008165 rice bran oil Substances 0.000 title claims abstract description 22
- 239000010779 crude oil Substances 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 239000001993 wax Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 9
- 235000019198 oils Nutrition 0.000 description 9
- 241000209094 Oryza Species 0.000 description 7
- 235000007164 Oryza sativa Nutrition 0.000 description 7
- 235000009566 rice Nutrition 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 1
- GJJVAFUKOBZPCB-UHFFFAOYSA-N 2-methyl-2-(4,8,12-trimethyltrideca-3,7,11-trienyl)-3,4-dihydrochromen-6-ol Chemical compound OC1=CC=C2OC(CCC=C(C)CCC=C(C)CCC=C(C)C)(C)CCC2=C1 GJJVAFUKOBZPCB-UHFFFAOYSA-N 0.000 description 1
- BHEOSNUKNHRBNM-UHFFFAOYSA-N Tetramethylsqualene Natural products CC(=C)C(C)CCC(=C)C(C)CCC(C)=CCCC=C(C)CCC(C)C(=C)CCC(C)C(C)=C BHEOSNUKNHRBNM-UHFFFAOYSA-N 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- -1 compound lipid Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N dodecahydrosqualene Natural products CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229940031439 squalene Drugs 0.000 description 1
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 1
- 229930003802 tocotrienol Natural products 0.000 description 1
- 239000011731 tocotrienol Substances 0.000 description 1
- 235000019148 tocotrienols Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
Images
Landscapes
- Fats And Perfumes (AREA)
Abstract
The utility model provides a crude oil dewaxing device for rice bran oil extraction processing, the power distribution box comprises a box body, dewaxing box and solid fixed ring, the embedded hopper that is provided with in box upper end middle part, be connected with a pair of support slide bar between box inside upside left end and the right-hand member, dewaxing box front end and rear end all are provided with a plurality of parallel sliding sleeves, the dewaxing box supports the slide bar through parallel sliding sleeve sliding connection, support the slide bar middle part and be provided with the shovel wax module, dewaxing box bottom is provided with the filter, box inside left end is provided with the back-push reset module, box inside right-hand member is provided with horizontal power module, dewaxing box left end and rear end downside all are provided with a plurality of; this device carries out preliminary filtration through the filter, and can prevent to block up and influence filtering speed and quality, has avoided artifical frequent clearance and the change to the filter, improves filtering speed, further filters through straining wax net reciprocating sieve material, filters more thoroughly, and the filter effect is better, and work efficiency is higher, and practices thrift the energy consumption.
Description
Technical Field
The utility model relates to a grain and oil processing equipment technical field especially relates to a crude oil dewaxing device that is used for rice bran oil to draw processing.
Background
The rice bran oil is rice bran which is a byproduct obtained in the rice processing process and is prepared by a squeezing method or a leaching method, edible rice bran is already published in developed countries such as the United states at present, similar products are invented in China, namely, the rice bran oil is prepared by precisely grinding and separating non-beneficial substances and beneficial nutrient substances in the rice bran in a clean production workshop by using a modern food processing precise grinding technology, the rice bran can be classified into feed-grade rice bran and food-grade rice bran by the separation technology, the fatty acid composition of the rice bran oil is balanced, the rice bran oil contains dozens of natural bioactive components such as rich compound lipid, phospholipid, tocotrienol, squalene, phytosterol and oryzanol, and the content of unsaturated fatty acid is more than 80%. The rice bran oil is special and precious healthy edible oil. Is a good oil material for preparing nutritional oil, blend oil, frying oil and food raw materials, and dewaxing is an important part in the processing of the nutritional oil, the blend oil, the frying oil and the food raw materials.
At present, the existing dewaxing treatment is usually single filtration and separation, the oil and wax separation is not thorough, and the separated wax easily blocks a filter component, so that the filter speed and the effect are reduced sharply, the manual work is needed to perform frequent cleaning and replacement, the time and the labor are wasted, the working efficiency is low, and the filter quality is low. In order to solve the problems, the application provides a crude oil dewaxing device for extracting and processing rice bran oil.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a crude oil dewaxing device for rice bran oil draws processing, this device carries out preliminary filtration through the filter, and can prevent to block up and influence filter speed and quality, has avoided artifical frequent clearance and the change to the filter, improves filter speed, further filters through wax filtering net reciprocating sieve material, filters more thoroughly, and the filter effect is better, and work efficiency is higher, and practices thrift the energy consumption.
(II) technical scheme
In order to solve the problems, the utility model provides a crude oil dewaxing device for extracting and processing rice bran oil, which comprises a box body, a dewaxing box and a fixed ring, wherein a hopper is embedded in the middle part of the upper end of the box body, a pair of supporting slide bars is connected between the left end and the right end of the upper side in the box body, a plurality of parallel slide sleeves are respectively arranged at the front end and the rear end of the dewaxing box body, the dewaxing box is connected with the supporting slide bars through the parallel slide sleeves in a sliding way, a paraffin shoveling module is arranged at the middle part of the supporting slide bars, a filter plate is arranged at the bottom end of the dewaxing box body, a reverse pushing reset module is arranged at the left end of the box body, a horizontal power module is arranged at the right end in the box body, a plurality of jacking blocks are respectively arranged at the lower sides of the left end and the rear end of the dewaxing box body, a plurality of upper and lower, the lower end of the fixing ring is provided with a wax filtering net, and the left side and the right side of the upper end of the fixing ring are both rotatably connected with rollers through supporting rods.
Preferably, a discharging pipe is arranged in the middle of the lower end of the hopper, and an electric control valve is arranged in the middle of the discharging pipe.
Preferably, the wax shoveling module comprises a fixing frame and a scraper, the fixing frame is arranged in the middle of the supporting sliding rod, the lower end of the fixing frame is connected with the scraper through a hanging rod, the scraper extends into the dewaxing box, and the lower end of the scraper is connected with the filter plate in a sliding mode.
Preferably, the reverse-pushing reset module comprises a fixed box, a reset spring and a push rod, the push rod is slidably connected inside the fixed box, the left end of the push rod is connected with the reset spring, and the right end of the push rod penetrates through the fixed box and extends out of the fixed box.
Preferably, horizontal power module includes a spacing section of thick bamboo, ejector pin, motor, carousel and rocker, and a spacing section of thick bamboo lower extreme passes through the horizontal pole and connects the box, and spacing section of thick bamboo middle part sliding connection has the ejector pin, and the motor passes through the inside left end of motor frame connection box, and the motor front end is connected with the carousel through the motor shaft, and the carousel front end edge rotates and is connected with the rocker, and the rocker other end rotates and connects the ejector pin.
Preferably, the bottom end in the box body is provided with a material collecting box, the upper side of the right end of the box body is provided with a switch group, and the switch group is electrically connected with the motor and the electric control valve.
The above technical scheme of the utility model has following profitable technological effect: when the device works, crude oil to be processed is directly poured into the hopper, slowly falls at a constant speed through the blanking pipe, primary filtering is carried out through the filter plate, meanwhile, the motor drives the turntable to rotate, so that the ejector rod is driven to move left and right along the limiting cylinder through the rocker, the dewaxing box is driven to move left, when the ejector rod moves right, the reset spring drives the ejector rod to move right through the push rod, the circular reciprocating motion is realized, the filtering speed is improved, the scraper plate is kept still under the action of the fixing frame, wax blocked on the filter plate is pushed to the left and right sides of the dewaxing box through the scraper plate when the filter plate moves left and right, the filtering speed and the filtering quality are prevented from being influenced by the blockage, the working efficiency is higher, frequent cleaning and replacement of the filter plate by manpower are avoided, the burden of staff is reduced, then raw materials fall into the wax filtering net for further filtering and then fall into the material receiving box, after the kicking block breaks away from, buffer spring drives solid fixed ring and resets, can make from this strain the wax net and carry out the reciprocating sieve material and filter, and the filter effect is better, and work efficiency is higher, and practices thrift the energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of a crude oil dewaxing device for rice bran oil extraction and processing provided by the utility model.
Fig. 2 is an enlarged view of a crude oil dewaxing device A for rice bran oil extraction and processing provided by the utility model.
Fig. 3 is a top view of the dewaxing box in the crude oil dewaxing device for rice bran oil extraction and processing provided by the utility model.
Reference numerals: 1. a box body; 2. a hopper; 3. a discharging pipe; 4. supporting the sliding rod; 5. dewaxing the box; 6. a filter plate; 7. a fixed mount; 8. a squeegee; 9. a fixing box; 10. a return spring; 11. a push rod; 12. a limiting cylinder; 13. a top rod; 14. a motor; 15. a turntable; 16. a rocker; 17. a top block; 18. a column; 19. a fixing ring; 20. an upper sliding sleeve and a lower sliding sleeve; 21. a buffer spring; 22. filtering wax net; 23. a roller; 24. a material receiving box; 25. and a switch group.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in figures 1-3, the crude oil dewaxing device for extracting and processing rice bran oil provided by the utility model comprises a box body 1, the dewaxing box comprises a dewaxing box 5 and a fixing ring 19, a hopper 2 is embedded in the middle of the upper end of a box body 1, a discharging pipe 3 is arranged in the middle of the lower end of the hopper 2, an electric control valve is arranged in the middle of the discharging pipe 3, a pair of supporting slide bars 4 are connected between the left end and the right end of the upper side in the box body 1, a plurality of parallel slide sleeves are arranged at the front end and the rear end of the dewaxing box 5, the dewaxing box 5 is connected with the supporting slide bars 4 through the parallel slide sleeves in a sliding mode, a dewaxing module is arranged in the middle of the supporting slide bars 4, a filter plate 6 is arranged at the bottom end of the dewaxing box 5, the dewaxing module comprises a fixing frame 7 and a scraper plate 8, a fixing frame 7 is arranged in the middle of the supporting slide;
the left end in the box body 1 is provided with a reverse-thrust reset module, the reverse-thrust reset module comprises a fixing box 9, a reset spring 10 and a push rod 11, the push rod 11 is connected in the fixing box 9 in a sliding mode, the left end of the push rod 11 is connected with the reset spring 10, the right end of the push rod 11 penetrates through the fixing box 9 and extends out of the fixing box 9, the horizontal power module is arranged at the right end in the box body 1 and comprises a limiting barrel 12, a push rod 13, a motor 14, a rotary table 15 and a rocker 16, the lower end of the limiting barrel 12 is connected with the box body 1 through a cross rod, the middle of the limiting barrel 12 is connected with the push rod 13 in a sliding mode, the motor 14 is connected with the left end in the box body 1 through a motor frame, the front end of;
the left end and the rear end of the dewaxing box 5 are provided with a plurality of ejector blocks 17, the left side and the right side of the bottom end in the box body 1 are provided with a plurality of upright posts 18, the left end and the right end of a fixing ring 19 are provided with a plurality of upper and lower sliding sleeves 20, the fixing ring 19 is connected with the upright posts 18 through the upper and lower sliding sleeves 20, the upright posts 18 and the positions on the upper and lower sides of the upper and lower sliding sleeves 20 are sleeved with buffer springs 21, the lower end of the fixing ring 19 is provided with a wax filtering net 22, the left side and the right side of the upper end of the fixing ring 19 are rotatably connected with rollers 23 through supporting rods, the bottom end in the box body 1 is;
when the automatic wax removing device works, crude oil to be processed is directly poured into the hopper 2, the electric control valve is opened to enable the crude oil to slowly fall into the dewaxing box 5 at a constant speed through the discharging pipe 3, primary filtering is carried out through the filter plate 6, meanwhile, the motor 14 drives the rotary disc 15 to rotate, so that the ejector rod 13 is driven to move left and right along the limiting cylinder 12 through the rocker 16 to drive the dewaxing box 5 to move left, when the ejector rod 13 moves right, the reset spring 10 drives the ejector rod 11 to move right, the filtering speed is improved in a circulating reciprocating mode, the scraper 8 is kept still under the action of the fixing frame 7, when the filter plate 6 moves left and right, wax blocked on the filter plate 6 is pushed to the left side and the right side of the dewaxing box 5 through the scraper 8, the filtering speed and the filtering quality are prevented from being influenced by blocking, the working efficiency is higher;
then the raw materials fall into and strain wax net 22 and carry out further filtration and fall into receiving box 24 and be convenient for collect after, and filter more thoroughly, and it moves down solid fixed ring 19 through kicking block 17 push down running roller 23 drive when removing about the box 5 to take off wax simultaneously, and kicking block 17 breaks away from the back, and buffer spring 21 drives solid fixed ring 19 and resets, can make from this strain wax net 22 carry out the reciprocating sieve material and filter, and the filter effect is better, and work efficiency is higher, and practices thrift the energy consumption.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A crude oil dewaxing device for extracting and processing rice bran oil is characterized by comprising a box body (1), a dewaxing box (5) and a fixing ring (19); the middle part of the upper end of the box body (1) is embedded with a hopper (2), a pair of supporting slide bars (4) is connected between the left end and the right end of the inner upside of the box body (1), the front end and the rear end of the dewaxing box (5) are respectively provided with a plurality of parallel sliding sleeves, the dewaxing box (5) is connected with the supporting slide bars (4) through the parallel sliding sleeves in a sliding way, the middle part of the supporting slide bars (4) is provided with a wax shoveling module, the bottom end of the dewaxing box (5) is provided with a filter plate (6), the left end of the inner part of the box body (1) is provided with a reverse thrust reset module, the right end of the inner part of the box body (1) is provided with a horizontal power module, the left end and the rear end of the dewaxing box (5) are respectively provided with a plurality of jacking blocks (17), the left side and the right side of the inner bottom of the box body, the upright post (18) is provided with buffer springs (21) at the upper side and the lower side of the upper sliding sleeve (20), the lower end of the fixing ring (19) is provided with a wax filtering net (22), and the left side and the right side of the upper end of the fixing ring (19) are rotatably connected with rollers (23) through supporting rods.
2. The crude oil dewaxing device for rice bran oil extraction and processing as claimed in claim 1, wherein a feed pipe (3) is arranged in the middle of the lower end of the hopper (2), and an electric control valve is arranged in the middle of the feed pipe (3).
3. The crude oil dewaxing device for rice bran oil extraction and processing according to claim 1, wherein the wax shoveling module comprises a fixed frame (7) and a scraper (8), the fixed frame (7) is arranged in the middle of the support slide bar (4), the scraper (8) is connected to the lower end of the fixed frame (7) through a hanging rod, the scraper (8) extends into the dewaxing box (5), and the lower end of the scraper (8) is slidably connected with the filter plate (6).
4. The crude oil dewaxing device for rice bran oil extraction and processing according to claim 1, wherein the reverse thrust return module comprises a fixing box (9), a return spring (10) and a push rod (11), the push rod (11) is slidably connected inside the fixing box (9), the return spring (10) is connected to the left end of the push rod (11), and the right end of the push rod (11) penetrates through the fixing box (9) and extends out of the fixing box (9).
5. The crude oil dewaxing device for rice bran oil extraction and processing as claimed in claim 1, wherein the horizontal power module comprises a limiting cylinder (12), a mandril (13), a motor (14), a rotary table (15) and a rocker (16), the lower end of the limiting cylinder (12) is connected with the box body (1) through a cross rod, the middle part of the limiting cylinder (12) is connected with the mandril (13) in a sliding manner, the motor (14) is connected with the left end inside the box body (1) through a motor frame, the front end of the motor (14) is connected with the rotary table (15) through a motor shaft, the front end edge of the rotary table (15) is connected with the rocker (16) in a rotating manner, and the other end of.
6. The crude oil dewaxing device for rice bran oil extraction and processing as claimed in claim 1, wherein a material receiving box (24) is arranged at the bottom end of the interior of the box body (1), a switch group (25) is arranged on the upper side of the right end of the box body (1), and the switch group (25) is electrically connected with the motor (14) and the electric control valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021720517.5U CN213172255U (en) | 2020-08-18 | 2020-08-18 | Crude oil dewaxing device for extracting and processing rice bran oil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021720517.5U CN213172255U (en) | 2020-08-18 | 2020-08-18 | Crude oil dewaxing device for extracting and processing rice bran oil |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213172255U true CN213172255U (en) | 2021-05-11 |
Family
ID=75765772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021720517.5U Active CN213172255U (en) | 2020-08-18 | 2020-08-18 | Crude oil dewaxing device for extracting and processing rice bran oil |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213172255U (en) |
-
2020
- 2020-08-18 CN CN202021720517.5U patent/CN213172255U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205868783U (en) | Fruit sorting device with high -efficient cleaning function | |
CN204232232U (en) | A kind of rotary and centrifugal type soya bean cleaning machine | |
CN113951520B (en) | Production device for Chinese yam pulp beverage | |
CN205868763U (en) | Quick sorting unit of fruit size | |
CN213172255U (en) | Crude oil dewaxing device for extracting and processing rice bran oil | |
CN211415299U (en) | Cutting device for crystallization nucleus | |
CN112106913A (en) | Abalone juice extraction equipment and technology | |
CN107114455A (en) | Oppress sampling device | |
CN111468299A (en) | Corn seed screening machine | |
CN110800471A (en) | Quick rapeseed stripping machine for agricultural production and processing | |
CN212139206U (en) | Egg shell removing machine for removing shell of cooked egg | |
CN114181776A (en) | Seed oil preparation facilities of strong fragrance type tea processing of deodorization | |
CN209753418U (en) | Impurity removing device for processing oil tea | |
CN205473639U (en) | Refined sesame seed oil oil catcher is prepared to " water is for method " | |
CN213357499U (en) | Siraitia grosvenorii spice extracting and paste collecting device | |
CN221311398U (en) | Equipment is selected to raw materials for oil tea tree oil extraction | |
CN206371457U (en) | A kind of efficient draining device of navel orange | |
CN213274899U (en) | Sampling device for extracting food ingredients | |
CN214103109U (en) | Pulp and kernel separator | |
CN213835236U (en) | Oil residue separator is used in tea-seed oil production | |
CN114766557B (en) | Intelligent tea production equipment and processing method | |
CN217888630U (en) | A high-efficient tea foam separator for tealeaves production | |
CN220611190U (en) | Pretreatment device for rapeseed processing | |
CN217989981U (en) | Disintegrating slag separating device for green tea production | |
CN216965343U (en) | Radish screening and separating device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhang Wenhan Assignor: GAO'AN QINGHE OIL CO.,LTD. Contract record no.: X2023980047196 Denomination of utility model: A crude oil dewaxing device for rice bran oil extraction and processing Granted publication date: 20210511 License type: Common License Record date: 20231115 |
|
EE01 | Entry into force of recordation of patent licensing contract |