CN102631730A - Ejection-type self-destructive syringe - Google Patents
Ejection-type self-destructive syringe Download PDFInfo
- Publication number
- CN102631730A CN102631730A CN2012101347335A CN201210134733A CN102631730A CN 102631730 A CN102631730 A CN 102631730A CN 2012101347335 A CN2012101347335 A CN 2012101347335A CN 201210134733 A CN201210134733 A CN 201210134733A CN 102631730 A CN102631730 A CN 102631730A
- Authority
- CN
- China
- Prior art keywords
- syringe
- injection tube
- needle stand
- self
- needle bed
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 64
- 239000007924 injection Substances 0.000 claims description 64
- 238000007789 sealing Methods 0.000 claims description 19
- 210000002435 tendon Anatomy 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000013011 mating Effects 0.000 abstract 1
- 239000003351 stiffener Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
- A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M2005/3206—Needle or needle hub disconnecting devices forming part of or being attached to the hub or syringe body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/50—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M2005/5006—Having means for destroying the syringe barrel, e.g. by cutting or piercing
Abstract
The invention belongs to the technical field of disposable syringes and particularly relates to an ejection-type self-destructive syringe. The ejection-type self-destructive syringe comprises a syringe cartridge, a syringe rod, a needle bed and a syringe needle fixed on the needle bed, wherein a flowing liquid hole is arranged on the needle bed and is used for communicating the syringe needle and the syringe cartridge, a piston is sleeved on an upper end of the syringe rod, an annular groove is formed on an inner wall of an end part of the syringe cartridge connected with the needle bed, a protruding ridge in clamping mating with the groove is formed on the lower end of the needle bed, and the needle bed on the lower side of the protruding ridge is sleeved a seal ring glued to the inner wall of the syringe cartridge. The invention has the following advantages: according to the invention, the syringe cartridge and the needle bed are clamped and matched with each other; a double ejection self-destructive way is adopted, namely, the syringe rod is ejected out of the needle bed and then the seal ring is ejected, so that a medical worker only needs to apply a smaller force to the syringe rod to enable the syringe to be self-destructive, therefore, the ejection-type self-destructive syringe is reasonable in structure and convenient to operate; a finger rest part of the syringe cartridge is formed of a heart-shaped or apple-shaped stiffener, thus having an attractive appearance, enabling the medical workers to feel good and being suitable for the medical workers.
Description
Technical field
The invention belongs to disposable injector technology field, refer in particular to a kind of self-destruction syringe that ejects.
Background technology
Along with the progress of society, people require increasingly highly to medical treatment, and medical apparatus and instruments is also in continuous innovation with improve, and especially the improvement aspect syringe is greatly improved.At present, plastic injector for temporary use has been able to use widely.General disposable syringe is just discarded after using once, thereby can prevent syringe from reusing and cause viral communication, safer health.But disposable syringe in the market uses trouble, and can not realize complete self-destruction because structural design is comparatively complicated, and production cost is higher, is unfavorable for promoting.
Summary of the invention
The purpose of this invention is to provide the problem that the existing disposable syringe of a kind of customer service exists, propose a kind of reasonable in designly, easy to use and cost is lower, be beneficial to the self-destruction syringe that ejects of popularization.
The objective of the invention is to realize like this: a kind of self-destruction syringe that ejects; Comprise injection tube, injection rod, needle stand and be fixed on the syringe needle on the needle stand; Needle stand is provided with the liquid-through hole that is communicated with syringe needle and injection tube, and the upper end of injection rod is provided with piston, forms annular groove on the end inwall of the injection tube of connection needle stand; The lower end of needle stand forms the convex tendon with described groove snap fit; Be arranged with the sealing ring of being close to the injection tube inwall on the needle stand of convex tendon downside, the middle part of injection rod upper end is provided with columnar projections, and the middle part of columnar projections forms bulge loop; Be connected with movable sleeve on the columnar projections on the bulge loop; Be set with catch on the columnar projections between movable sleeve and the bulge loop, the movable sleeve arranged outside has said piston, and the set inside of piston has when piston stress is out of shape the cavity that supplies injection rod to stretch out top land.
Form on the inwall of the injection tube of above-mentioned groove downside and cooperate spacing upper limit bulge loop with the upper edge of sealing ring.
Form on the inwall of the injection tube of above-mentioned position limiting convex ring downside and cooperate spacing lower limit bulge loop with the lower edge of sealing ring.
The finger holder portion of above-mentioned injection tube lower end forms the reinforcement of heart or apple shape profile.
The present invention compares the outstanding and beneficial technical effects of prior art: the mutual snap fit of injection tube of the present invention and needle stand; And the sealing ring that passes through the needle stand bottom seals; Injection finishes the back only need be certain with injection rod being applied again; Can easily needle stand be ejected injection tube, to realize the self-destruction of syringe; The mode that this device adopts secondary to eject, promptly injection rod ejects needle stand earlier, ejects sealing ring again, and medical personnel only need injection rod is applied less power, just can make the syringe self-destruction, and it is rational in infrastructure, easy and simple to handle; The finger holder portion of injection tube forms the reinforcement that increases the intensity that refers to holder portion, the outline heart or the apple shape of reinforcement, and it is handsome in appearance, and medical personnel use good hand touch; Of the present invention rational in infrastructure, production cost is lower, it is convenient that product uses the back to reclaim, and is easier to promote, and is fit to medical personnel and uses.
Description of drawings
Fig. 1 is each exploded view of the first embodiment of the present invention.
Fig. 2 is the structure diagram of the first embodiment of the present invention.
Fig. 3 is the A place enlarged drawing of Fig. 1.
Fig. 4 is the B place enlarged drawing of Fig. 2.
Sketch map when Fig. 5 is the preparation self-destruction of first embodiment of the invention.
Fig. 6 is the sketch map after Fig. 5 self-destruction.
Fig. 7 is the injection tube of the second embodiment of the present invention and the sketch map of needle stand.
Sketch map when Fig. 8 is second embodiment of the present invention preparation self-destruction.
Fig. 9 and Figure 10 are respectively the C-C view of the injection tube of two kinds of different structures among Fig. 2.
Among the figure: 1, sheath; 2, syringe needle; 3, needle stand; 4, injection tube; 5, sealing ring; 6, piston; 7, movable sleeve; 8, back-up ring; 9, injection rod; 31, convex tendon; 41, refer to holder portion; 42, groove; 43, upper limit bulge loop; 44, sealing ring installation portion; 45, lower limit bulge loop; 46, needle stand installation portion; 61, cavity; 91, columnar projections; 411, reinforcement; 910, bulge loop.
The specific embodiment
The present invention is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-10;
Embodiment 1, shown in Fig. 1-6, and a kind of self-destruction syringe that ejects; Comprise injection tube 4, injection rod 9, needle stand 3 and be fixed on the syringe needle 2 on the needle stand 3; Needle stand 3 is provided with the liquid-through hole that is communicated with syringe needle 2 and injection tube 4, and the upper end of injection rod 9 is provided with piston 6, forms annular groove 42 on the end inwall of the injection tube 4 of connection needle stand 3; The lower end of needle stand 3 forms the convex tendon 31 with described groove 42 snap fit; Be arranged with the sealing ring of being close to injection tube 4 inwalls 5 on the needle stand 3 of convex tendon 31 downsides, when sealing ring 5 had guaranteed injection, medicinal liquid can not ooze out the outside through the fit clearance of needle stand 3 and injection tube 4.
The middle part of above-mentioned injection rod 9 upper ends is provided with columnar projections 91; The middle part of columnar projections 91 forms on the columnar projections 91 on bulge loop 910, the bulge loop 910 and is connected with movable sleeve 7; Be set with catch 8 on the columnar projections 91 between movable sleeve 7 and the bulge loop 910; Movable sleeve 7 arranged outside have said piston 6, and the set inside of piston 6 has when piston 6 stress deformations the injection rod 9 of confession stretch out the cavity 61 at piston 6 tops.
Form on the inwall of the injection tube 4 of above-mentioned groove 42 downsides with the upper edge of sealing ring 5 and cooperate spacing upper limit bulge loop 43.
In the present embodiment, the leading section of injection tube 4 is through-type, and the front and back ends bore is basic identical; Leading section need not directly inwardly to contract and forms the needle stand installation portion, and injection tube processing of the present invention is simple, and molding is easy; And compare traditional injection tube, under equal specification, materials are less; During production in enormous quantities, cost obviously reduces.
Operation principle of the present invention: medical personnel press traditional approach and use this syringe, to injecting liquid drug finish (to state shown in Fig. 5, medicinal liquid is injected fully and finished); At this moment, the lower end of the upper end Contact Seal ring 5 of piston 6 (piston 6 is not out of shape), medical personnel back off syringe from human body; And the syringe needle of syringe 2 aimed at toilet pail, then, with applying certain power to injection rod 9; At this moment, catch 8 stressed relative injection rods 9 move down, and behind the bulge loop 910 at columnar projections 91 middle parts through injection rod 9 upper ends; Injection rod 9 makes movable sleeve 7 ends stretch out piston 6 and holds out against the bottom (when catch 8 did not pass through bulge loop 910, injection rod 9 was gone up top piston 6 and movable sleeve 7 simultaneously through catch 8) at needle stand 3, and movable sleeve 7 is jack-up needle stand 3 upwards; Needle stand 3 breaks away from injection tube 4 (sealing ring 5 maintenance original positions this moment); Reuse is bigger tries hard to recommend injection rod 9 and makes injection rod 9 through piston 6 sealing ring 5 ejected (state as shown in Figure 6) from the upper end of injection tube 4, so far, and the complete self-destruction of syringe.
Like Fig. 9, shown in Figure 10; The finger holder portion 41 of injection tube 4 lower ends forms the reinforcement 411 of heart or apple shape outline; Reinforcement 411 has strengthened the finger of injection tube 4 and has opened up the intensity of portion 41, and makes injection tube 4 have more aesthetic, and feel was better when medical personnel used.
The foregoing description is merely preferred embodiment of the present invention, is not to limit protection scope of the present invention according to this, so: all equivalences of doing according to structure of the present invention, shape, principle change, and all should be covered by within protection scope of the present invention.
Claims (4)
1. one kind ejects self-destruction syringe, comprises injection tube, injection rod, needle stand and is fixed on the syringe needle on the needle stand, and needle stand is provided with the liquid-through hole that is communicated with syringe needle and injection tube; The upper end of injection rod is provided with piston; It is characterized in that: form annular groove on the end inwall of the injection tube of connection needle stand, the lower end of needle stand forms the convex tendon with described groove snap fit, is arranged with the sealing ring of being close to the injection tube inwall on the needle stand of convex tendon downside; The middle part of injection rod upper end is provided with columnar projections; The middle part of columnar projections forms bulge loop, is connected with movable sleeve on the columnar projections on the bulge loop, is set with catch on the columnar projections between movable sleeve and the bulge loop; The movable sleeve arranged outside has said piston, and the set inside of piston has when piston stress is out of shape the cavity that supplies injection rod to stretch out top land.
2. a kind of self-destruction syringe that ejects according to claim 1 is characterized in that: form on the inwall of the injection tube of said groove downside and cooperate spacing upper limit bulge loop with the upper edge of sealing ring.
3. a kind of self-destruction syringe that ejects according to claim 2 is characterized in that: form on the inwall of the injection tube of said position limiting convex ring downside and cooperate spacing lower limit bulge loop with the lower edge of sealing ring.
4. a kind of self-destruction syringe that ejects according to claim 1 is characterized in that: the finger holder portion of said injection tube lower end forms the reinforcement of heart or apple shape profile.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101347335A CN102631730B (en) | 2012-05-03 | 2012-05-03 | Ejection-type self-destructive syringe |
| PCT/CN2013/074837 WO2013163942A1 (en) | 2012-05-03 | 2013-04-27 | Pushout self-destructive syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101347335A CN102631730B (en) | 2012-05-03 | 2012-05-03 | Ejection-type self-destructive syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102631730A true CN102631730A (en) | 2012-08-15 |
| CN102631730B CN102631730B (en) | 2013-07-10 |
Family
ID=46616414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101347335A Expired - Fee Related CN102631730B (en) | 2012-05-03 | 2012-05-03 | Ejection-type self-destructive syringe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102631730B (en) |
| WO (1) | WO2013163942A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163942A1 (en) * | 2012-05-03 | 2013-11-07 | Cai Genshun | Pushout self-destructive syringe |
| CN103550849A (en) * | 2013-10-06 | 2014-02-05 | 蔡根顺 | Novel push-out self-destructive injector |
| KR102277556B1 (en) * | 2020-07-22 | 2021-07-13 | 육영수 | Reuse prevention injection device |
| WO2022019598A1 (en) * | 2020-07-22 | 2022-01-27 | 육영수 | Injection apparatus for preventing reuse |
| US11562364B2 (en) | 2016-12-22 | 2023-01-24 | Nec Corporation | Information processing system, customer identification apparatus, and information processing method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3046459B1 (en) * | 2016-01-06 | 2023-05-12 | Stago Diagnostica | SAMPLING DEVICE |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5814017A (en) * | 1996-07-18 | 1998-09-29 | Safegard Medical Products, Inc. | Single use syringe device |
| CN101036818A (en) * | 2006-03-15 | 2007-09-19 | 许明正 | Disposable syringe |
| CN201061649Y (en) * | 2007-07-10 | 2008-05-21 | 沈海忠 | Core lever for disposal safety type syringe |
| CN102284114A (en) * | 2011-07-15 | 2011-12-21 | 曾花 | Self-destroying injector |
| CN202654501U (en) * | 2012-05-03 | 2013-01-09 | 蔡根顺 | Push-out self-destruction type syringe |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654628B1 (en) * | 1989-11-23 | 1992-02-28 | Patrice Elfandi | INJECTION MATERIAL (SYRINGE AND NEEDLE) UNUSABLE AFTER USE. |
| US5458576A (en) * | 1993-12-22 | 1995-10-17 | Habley Medical Technology Corp. | Safety syringe with retracting needle |
| CN2650779Y (en) * | 2003-11-06 | 2004-10-27 | 林作钱 | Separated self-destructed syringes |
| CN100536950C (en) * | 2006-08-16 | 2009-09-09 | 陈昌慈 | Disposable safety injecting device |
| CN101099876B (en) * | 2007-08-15 | 2012-07-04 | 张亚根 | Active type safety syringe and safety injection needle |
| CN201453770U (en) * | 2009-07-09 | 2010-05-12 | 张亚平 | Safety syringe with separate syringe body and needle |
| CN102631730B (en) * | 2012-05-03 | 2013-07-10 | 蔡根顺 | Ejection-type self-destructive syringe |
-
2012
- 2012-05-03 CN CN2012101347335A patent/CN102631730B/en not_active Expired - Fee Related
-
2013
- 2013-04-27 WO PCT/CN2013/074837 patent/WO2013163942A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5814017A (en) * | 1996-07-18 | 1998-09-29 | Safegard Medical Products, Inc. | Single use syringe device |
| CN101036818A (en) * | 2006-03-15 | 2007-09-19 | 许明正 | Disposable syringe |
| CN201061649Y (en) * | 2007-07-10 | 2008-05-21 | 沈海忠 | Core lever for disposal safety type syringe |
| CN102284114A (en) * | 2011-07-15 | 2011-12-21 | 曾花 | Self-destroying injector |
| CN202654501U (en) * | 2012-05-03 | 2013-01-09 | 蔡根顺 | Push-out self-destruction type syringe |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163942A1 (en) * | 2012-05-03 | 2013-11-07 | Cai Genshun | Pushout self-destructive syringe |
| CN103550849A (en) * | 2013-10-06 | 2014-02-05 | 蔡根顺 | Novel push-out self-destructive injector |
| US11562364B2 (en) | 2016-12-22 | 2023-01-24 | Nec Corporation | Information processing system, customer identification apparatus, and information processing method |
| KR102277556B1 (en) * | 2020-07-22 | 2021-07-13 | 육영수 | Reuse prevention injection device |
| WO2022019598A1 (en) * | 2020-07-22 | 2022-01-27 | 육영수 | Injection apparatus for preventing reuse |
| KR20220012165A (en) * | 2020-07-22 | 2022-02-03 | 육영수 | Reuse prevention injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013163942A1 (en) | 2013-11-07 |
| CN102631730B (en) | 2013-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HE'NAN SHUGUANG JIANSHI MEDICAL EQUIPMENT GROUP CO Free format text: FORMER OWNER: CAI GENSHUN Effective date: 20150423 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 318020 TAIZHOU, ZHEJIANG PROVINCE TO: 462331 LUOHE, HENAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150423 Address after: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee after: Henan Shugang Jianshi Medical Devices Group Co., Ltd. Address before: 318020 Taizhou Province, Huangyan District, the new front street village village, No. 245 Patentee before: Cai Genshun |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160714 Address after: 315500 Zhejiang city of Fenghua province Jiangkou private science and Technology Park (decursivum) Patentee after: Zhejiang Jinyuan Medical Instrument Technology Co., Ltd. Address before: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee before: Henan Shugang Jianshi Medical Devices Group Co., Ltd. |
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Effective date of registration: 20180301 Granted publication date: 20130710 |
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Date of cancellation: 20180607 Granted publication date: 20130710 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180621 Address after: 315500 Fenghua District Private Science and Technology Park in Ningbo, Zhejiang Patentee after: Ningbo Li Long rubber & Plastics Co., Ltd. Address before: 315500 Jiangkou Private Science Park, Fenghua, Zhejiang (Qian Hu) Patentee before: Zhejiang Jinyuan Medical Instrument Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20180809 Address after: 318020 No. 255, Xicheng village, Xicheng street, Huangyan District, Taizhou, Zhejiang Patentee after: Hong Mingwan Address before: 315500 Fenghua District Private Science and Technology Park in Ningbo, Zhejiang Patentee before: Ningbo Li Long rubber & Plastics Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20210503 |