CN204838211U - Ventilative shock attenuation shoes - Google Patents
Ventilative shock attenuation shoes Download PDFInfo
- Publication number
- CN204838211U CN204838211U CN201520619036.8U CN201520619036U CN204838211U CN 204838211 U CN204838211 U CN 204838211U CN 201520619036 U CN201520619036 U CN 201520619036U CN 204838211 U CN204838211 U CN 204838211U
- Authority
- CN
- China
- Prior art keywords
- layer
- shock
- wear
- absorbing
- breathable
- 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.)
- Expired - Fee Related
Links
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
本实用新型提供了一种透气减震鞋,包括鞋底和鞋面本体,鞋底包括高弹上底和减震下底,减震下底的侧壁设有若干梯形减震孔,减震下底的前脚掌底面设有呈“王”字型的前耐磨底,减震下底的后脚跟底面设有呈“工”字型的后耐磨底,减震下底的底面两侧边缘设有若干间隔分布的U形凹槽;鞋面本体包括上层的透气防水层、中层的竹炭抗菌层和下层的三明治网布层,透气防水层的外表面设有若干凸起条纹,鞋面本体的侧面中部设有TPU皮垫,TPU皮垫上设有若干条形透气孔,鞋面本体的脚跟后端设有TPU后套,TPU后套上设有三角形透气孔,三角形透气孔内设有若干透气小孔。本实用新型的鞋底具有良好的减震、耐磨及防滑功能,其鞋面具有良好的透气、抑菌抗菌功能。
The utility model provides a breathable and shock-absorbing shoe, which comprises a sole and an upper body. The sole includes a high-elastic upper bottom and a shock-absorbing lower bottom. The bottom surface of the forefoot is provided with a front wear-resistant bottom in the shape of a "king", the rear heel bottom of the shock-absorbing bottom is provided with a rear wear-resistant bottom in the shape of "I", and the edges on both sides of the bottom of the shock-absorbing bottom are set. There are several U-shaped grooves distributed at intervals; the upper body includes an upper breathable waterproof layer, a middle bamboo charcoal antibacterial layer and a lower sandwich mesh layer. The outer surface of the breathable waterproof layer is provided with several raised stripes. There is a TPU leather pad in the middle of the side, and there are several strip-shaped ventilation holes on the TPU leather pad. The back end of the heel of the upper body is provided with a TPU back cover, and the TPU back cover is provided with a triangular ventilation hole. Small hole. The shoe sole of the utility model has good shock absorption, wear resistance and anti-skid functions, and its vamp has good ventilation, antibacterial and antibacterial functions.
Description
技术领域technical field
本实用新型涉及一种鞋子,尤其涉及一种透气减震鞋。The utility model relates to a shoe, in particular to a breathable shock-absorbing shoe.
背景技术Background technique
目前,市场上大部分的鞋子为了增强鞋子的透气性能,在鞋面或鞋底设置各种各样的透气孔,在鞋子实用一段时间后,设置透气孔的部位容易出现褶皱或裂纹,穿着不舒适,而如果鞋子的透气性能不佳,不仅穿着不舒适,且还会影响脚部健康,特别是春、夏季,如果鞋子透气性能不良,往往会导致鞋内汗湿,在鞋内产生大量真菌并且产生异味,穿着不舒适,且长时间穿着不利于脚部健康;另外,有的传统布鞋,虽然不用设置透气孔就有透气功能,但鞋面布料较薄,容易变形,且布鞋抗菌抑菌功能较差。At present, in order to enhance the breathability of the shoes, most of the shoes on the market are equipped with various air holes on the upper or the sole. After the shoes are used for a period of time, the parts where the air holes are set are prone to wrinkles or cracks, making it uncomfortable to wear. , and if the air permeability of the shoes is not good, it will not only be uncomfortable to wear, but also affect the health of the feet, especially in spring and summer. Odor is produced, wearing is uncomfortable, and wearing for a long time is not conducive to the health of the feet; in addition, some traditional cloth shoes, although there is no need to set air holes to have a breathable function, but the upper fabric is thin and easy to deform, and the cloth shoes have antibacterial and antibacterial functions poor.
实用新型内容Utility model content
针对现有技术中存在的上述问题,本实用新型所要解决的技术问题在于提供一种透气减震鞋,其鞋底具有良好的减震、耐磨及防滑功能,其鞋面挺括且不易变形,鞋面具有良好的透气、抑菌抗菌功能,穿着舒适。Aiming at the above-mentioned problems existing in the prior art, the technical problem to be solved by the utility model is to provide a kind of breathable shock-absorbing shoes, the sole of which has good shock-absorbing, wear-resistant and anti-slip functions, and the vamp is crisp and not easily deformed. The mask has good air permeability, antibacterial and antibacterial functions, and is comfortable to wear.
本实用新型的技术方案如下:一种透气减震鞋,包括鞋底和鞋面本体,所述鞋底包括高弹上底和减震下底,所述减震下底设有若干个贯穿所述减震下底两侧壁的梯形减震孔,减震下底的前脚掌底面设有呈“王”字型的前耐磨底,减震下底的后脚跟底面设有呈“工”字型的后耐磨底,减震下底的底面两侧边缘设有若干间隔分布的U形凹槽,所述高弹上底紧密复合于所述减震下底的顶部,所述高弹上底上设有鞋面本体,所述鞋面本体包括设于鞋面上层的透气防水层、设于鞋面中层的竹炭抗菌层和设于鞋面下层的三明治网布层,所述透气防水层的外表面设有若干凸起条纹,所述三明治网布层由经编机织造而成,包括密织层、单丝连接层和网孔层,单丝连接层将密织层和网孔层钩织连接;所述鞋面本体的侧面中部设有TPU皮垫,TPU皮垫上设有若干镂空的条形透气孔,所述鞋面本体的脚跟后端设有TPU后套,TPU后套上设有三角形透气孔,该三角形透气孔内设有若干镂空的透气小孔。The technical scheme of the utility model is as follows: a breathable shock-absorbing shoe, including a sole and a vamp body, the sole includes a high-elastic upper bottom and a shock-absorbing lower bottom, and the shock-absorbing lower bottom is provided with several There are trapezoidal shock-absorbing holes on the two side walls of the shock-absorbing bottom. The bottom of the forefoot of the shock-absorbing bottom is provided with a front wear-resistant bottom in the shape of a "king", and the bottom of the rear heel of the shock-absorbing bottom is provided with a "worker" shape. The rear wear-resistant bottom of the shock-absorbing bottom is provided with a number of U-shaped grooves distributed at intervals on both sides of the bottom surface of the shock-absorbing bottom. The high-elastic upper bottom is tightly compounded on the top of the shock-absorbing bottom. The upper body is provided with a vamp body, and the vamp body includes a breathable and waterproof layer on the upper layer of the vamp, a bamboo charcoal antibacterial layer on the middle layer of the vamp, and a sandwich mesh layer on the lower layer of the vamp. The outer surface is provided with several raised stripes, and the sandwich mesh layer is woven by a warp knitting machine, including a densely woven layer, a monofilament connecting layer and a mesh layer, and the monofilament connecting layer hooks the densely woven layer and the mesh layer The middle part of the side of the upper body is provided with a TPU leather pad, and the TPU leather pad is provided with a number of hollowed-out strip air holes. There are triangular ventilation holes, and several hollow ventilation holes are arranged in the triangular ventilation holes.
进一步地,所述前耐磨底的底面设有若干凸起的第一防滑块,第一防滑块底面设有若干间隔分布的第一防滑纹,前耐磨底由TPR材料注塑成型,前耐磨底具有良好的耐磨、防滑功能。Further, the bottom surface of the front wear-resistant bottom is provided with a plurality of raised first anti-slip blocks, and the bottom surface of the first anti-slip blocks is provided with a number of first anti-skid lines distributed at intervals, and the front wear-resistant bottom is injection-molded by TPR material. The grinding bottom has good wear resistance and anti-skid function.
进一步地,所述后耐磨底的底面设有若干凸起的第二防滑块,第二防滑块底面设有若干间隔分布的第二防滑纹,后耐磨底由TPR材料注塑成型,后耐磨底具有良好的耐磨、防滑功能。Further, the bottom surface of the rear wear-resistant bottom is provided with a plurality of raised second anti-slip blocks, and the bottom surface of the second anti-slip blocks is provided with a number of second anti-skid lines distributed at intervals. The grinding bottom has good wear resistance and anti-skid function.
进一步地,所述减震下底的底面中部设有若干凸起的减震块,减震块底面设有若干间隔分布的第三防滑纹,有助于增强减震下底的减震、防滑功能。Further, the middle part of the bottom surface of the shock-absorbing lower bottom is provided with several raised shock-absorbing blocks, and the bottom surface of the shock-absorbing blocks is provided with a number of third anti-skid lines distributed at intervals, which helps to enhance the shock-absorbing and anti-skid properties of the shock-absorbing bottom. Function.
进一步地,所述密织层为密织的平面结构层,所述网孔层为立体的网孔组织结构层,所述单丝连接层为涤纶单丝层,涤纶单丝层将密织层与网孔层钩织连接,三明治网布层具有良好的透气性和适度调节能力,并且耐磨适用,同时对三明治网布层进行防霉抗菌处理,能够抑制细菌的滋生。Further, the densely woven layer is a densely woven plane structure layer, the mesh layer is a three-dimensional mesh structure layer, the monofilament connection layer is a polyester monofilament layer, and the polyester monofilament layer connects the densely woven layer Hooked and connected with the mesh layer, the sandwich mesh layer has good air permeability and moderate adjustment ability, and is wear-resistant and applicable. At the same time, the sandwich mesh layer is treated with anti-mildew and antibacterial treatment, which can inhibit the growth of bacteria.
本实用新型的有益效果是:一种透气减震鞋,其鞋底具有良好的减震、耐磨及防滑功能,其鞋面挺括且不易变形,鞋面具有良好的透气、抑菌抗菌功能,穿着舒适。The beneficial effects of the utility model are: a breathable shock-absorbing shoe, the sole of which has good shock-absorbing, wear-resistant and anti-skid functions, the vamp is crisp and not easily deformed, and the vamp has good breathability, antibacterial and antibacterial functions. comfortable.
附图说明Description of drawings
图1是本实用新型的结构示意图。Fig. 1 is a structural representation of the utility model.
图2是本实用新型的鞋底底面结构示意图。Fig. 2 is a structural schematic diagram of the bottom surface of the shoe sole of the present invention.
图3是本实用新型的鞋面本体结构示意图。Fig. 3 is a schematic diagram of the upper body structure of the utility model.
具体实施方式Detailed ways
以下将结合附图,对本实用新型的优选实施例进行详细说明。Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.
如图1所示,一种透气减震鞋,包括鞋底1和鞋面本体2,所述鞋底1包括高弹上底12和减震下底11,所述高弹上底12一体注塑成型,具有良好的弹性,穿着脚感舒适,所述高弹上底12紧密复合于所述减震下底11的顶部,所述鞋面本体2与高弹上底12的边缘缝合连接,鞋面本体2的侧面中部设有TPU皮垫24,TPU皮垫24上设有若干镂空的间隔分布的条形透气孔241,所述鞋面本体2的脚跟后端设有TPU后套25,TPU后套25上设有三角形透气孔251,该三角形透气孔251内设有若干镂空的透气小孔252,TPU俗称热塑性聚氨酯弹性体橡胶,具有良好的耐磨及弹性性能,上述设置的TPU皮垫24和TPU后套25使得鞋面本体2挺括有型并且不易变形,穿着舒适透气。As shown in Figure 1, a breathable shock-absorbing shoe includes a sole 1 and a vamp body 2, the sole 1 includes a high-elastic upper bottom 12 and a shock-absorbing lower bottom 11, and the high-elastic upper bottom 12 is integrally injection molded, It has good elasticity and is comfortable to wear. The high-elastic upper bottom 12 is tightly compounded on the top of the shock-absorbing lower bottom 11. The upper body 2 is stitched and connected to the edge of the high-elastic upper bottom 12. The upper body 2 is provided with a TPU leather pad 24 in the middle of the side. The TPU leather pad 24 is provided with a number of hollowed-out strip air holes 241 distributed at intervals. 25 is provided with a triangular air hole 251, which is provided with a number of hollow air holes 252 in the triangular air hole 251. TPU is commonly known as thermoplastic polyurethane elastomer rubber, which has good wear resistance and elastic performance. The TPU leather pad 24 and The TPU rear cover 25 makes the vamp body 2 crisp and stylish and not easily deformed, and is comfortable and breathable to wear.
如图1和图2所示,所述减震下底11设有若干个间隔分布的水平横向贯穿所述减震下底11两侧壁的梯形减震孔111,设置的梯形减震孔111具有良好的辅助减震功能,减震下底11的前脚掌底面设有呈“王”字型的前耐磨底13,所述前耐磨底13由TPR材料注塑成型,前耐磨底13的底面设有若干凸起的第一防滑块131,第一防滑块131底面设有若干间隔分布的内凹的第一防滑纹132,前耐磨底13的底面前端还设有若干平行间隔设置的第四防滑纹133,减震下底11的后脚跟底面设有呈“工”字型的后耐磨底14,所述后耐磨底14由TPR材料注塑成型,后耐磨底14的底面设有若干凸起的第二防滑块141,第二防滑块141底面设有若干间隔分布的内凹的第二防滑纹142,TPR材料是一种热塑性橡胶材料,具有良好的减震、耐磨及防滑性能,设置的前耐磨底13和后耐磨底14均具有良好的减震、耐磨及防滑功能;所述减震下底11的底面中部设有四个大小互不相同的间隔分布的凸起的减震块15,减震块15底面设有若干间隔分布的内凹的第三防滑纹151,减震块15与减震下底11一体注塑成型,设置的减震块15有助于增强减震下底11的减震、防滑功能;此外,所述减震下底11的底面两侧边缘设有若干间隔分布的U形凹槽112,该U形凹槽112具有减震、防滑功能,还有排水功能,鞋底1踩到路面积水,可减少水花飞溅。As shown in Figures 1 and 2, the shock-absorbing lower bottom 11 is provided with several trapezoidal shock-absorbing holes 111 distributed horizontally and horizontally through the two side walls of the shock-absorbing lower bottom 11, and the set trapezoidal shock-absorbing holes 111 It has a good auxiliary shock absorption function. The bottom surface of the forefoot bottom of the shock-absorbing bottom 11 is provided with a front wear-resistant bottom 13 in the shape of a "king". The front wear-resistant bottom 13 is injection molded by TPR material, and the front wear-resistant bottom 13 The bottom surface of the bottom is provided with a number of protruding first anti-slip blocks 131, the bottom surface of the first anti-slip block 131 is provided with a number of concave first anti-slip lines 132 distributed at intervals, and the front end of the bottom surface of the front wear-resistant bottom 13 is also provided with several parallel intervals. The fourth anti-slip pattern 133, the rear heel bottom surface of the shock-absorbing lower bottom 11 is provided with a rear wear-resistant bottom 14 in the shape of "I", the rear wear-resistant bottom 14 is injection molded by TPR material, and the rear wear-resistant bottom 14 The bottom surface is provided with a number of raised second anti-slip blocks 141, and the bottom surface of the second anti-slip block 141 is provided with a number of concave second anti-slip lines 142 distributed at intervals. The TPR material is a thermoplastic rubber material, which has good shock absorption and durability. Grinding and anti-skid performance, the front wear-resistant bottom 13 and the rear wear-resistant bottom 14 all have good shock absorption, wear resistance and anti-skid functions; the bottom surface of the shock-absorbing bottom 11 is provided with four different sizes. The raised damping blocks 15 distributed at intervals, the bottom surface of the shock absorbing blocks 15 are provided with a number of concave third anti-skid lines 151 distributed at intervals, the shock absorbing blocks 15 and the shock absorbing lower bottom 11 are integrally injection molded, and the set shock absorbing blocks 15 helps to enhance the shock absorption and anti-skid functions of the shock-absorbing lower bottom 11; in addition, the two sides of the bottom surface of the shock-absorbing lower bottom 11 are provided with several U-shaped grooves 112 distributed at intervals, and the U-shaped grooves 112 have Shock absorption, anti-slip function, and drainage function, the sole 1 can reduce water splash when stepped on the road.
如图1和图3所示,所述鞋面本体2包括设于鞋面上层的透气防水层21、设于鞋面中层的竹炭抗菌层22和设于鞋面下层的三明治网布层23,所述透气防水层21优选采用透气防水面料制成,具有良好的透气防水功能,透气防水层21的外表面设有若干凸起条纹211,设置的凸起条纹211有助于鞋面本体2保持挺括有型,同时有助于增强鞋面本体2的抗皱性能;所述竹炭抗菌层22具有良好的吸湿透气、抑菌抗菌功能;所述三明治网布层23由经编机织造而成,包括密织层231、单丝连接层232和网孔层233,所述密织层231为密织的平面结构层,所述网孔层233为立体的网孔组织结构层,所述单丝连接层232为涤纶单丝层,涤纶单丝层将密织层231与网孔层233钩织连接,三明治网布层23的密织平面,能使三明治网布层23不至于变形太大,加强了三明治网布层23的牢度,三明治网布层23的立体网孔组织结构,使得三明治网布层23透气性更强,并且通过空气流通,面料维持舒适干爽,三明治网布层23的网孔结构,在生产工程中经过了高温定型,当受到外力时,能够顺着力的方向延伸,当拉力减小撤走时,网孔又能恢复到原来的形状,三明治网布层23既能在横、纵向保持一定的延伸率,又不会松弛变形,设置的三明治网布层23具有良好的透气性和适度调节能力,并且耐磨适用,同时对三明治网布层23进行防霉抗菌处理,能够抑制细菌的滋生。As shown in Figures 1 and 3, the vamp body 2 includes a breathable and waterproof layer 21 disposed on the vamp upper, a bamboo charcoal antibacterial layer 22 disposed on the vamp middle layer and a sandwich mesh layer 23 disposed on the vamp lower layer, The air-permeable and waterproof layer 21 is preferably made of a breathable and waterproof fabric, which has a good air-permeable and waterproof function. The outer surface of the air-permeable and waterproof layer 21 is provided with several raised stripes 211, and the arranged raised stripes 211 help the vamp body 2 maintain Stiff and stylish, while helping to enhance the anti-wrinkle performance of the upper body 2; the bamboo charcoal antibacterial layer 22 has good moisture absorption, breathable, antibacterial and antibacterial functions; the sandwich mesh layer 23 is woven by a warp knitting machine, including Densely woven layer 231, monofilament connecting layer 232 and mesh layer 233, described densely woven layer 231 is a densely woven plane structure layer, and described mesh layer 233 is a three-dimensional mesh structure layer, and the monofilament connection Layer 232 is a polyester monofilament layer, and the polyester monofilament layer connects the densely woven layer 231 with the mesh layer 233. The densely woven plane of the sandwich mesh layer 23 can prevent the sandwich mesh layer 23 from deforming too much and strengthen The fastness of the sandwich mesh layer 23 is improved, and the three-dimensional mesh structure of the sandwich mesh layer 23 makes the sandwich mesh layer 23 more breathable, and through air circulation, the fabric remains comfortable and dry, and the mesh of the sandwich mesh layer 23 The pore structure has been shaped at high temperature in the production engineering. When it is subjected to an external force, it can extend along the direction of the force. When the tension is reduced and removed, the mesh can return to its original shape. The sandwich mesh layer 23 can be Maintain a certain elongation rate in the horizontal and vertical directions without loosening and deformation. The sandwich mesh layer 23 provided has good air permeability and moderate adjustment ability, and is suitable for wear resistance. At the same time, the sandwich mesh layer 23 is treated with mildew and antibacterial. Can inhibit the growth of bacteria.
以上仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。The above are only preferred specific implementations of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model are all Should be included in the scope of protection of the present utility model.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520619036.8U CN204838211U (en) | 2015-08-17 | 2015-08-17 | Ventilative shock attenuation shoes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520619036.8U CN204838211U (en) | 2015-08-17 | 2015-08-17 | Ventilative shock attenuation shoes |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204838211U true CN204838211U (en) | 2015-12-09 |
Family
ID=54728827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520619036.8U Expired - Fee Related CN204838211U (en) | 2015-08-17 | 2015-08-17 | Ventilative shock attenuation shoes |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204838211U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107232689A (en) * | 2017-08-02 | 2017-10-10 | 安踏(中国)有限公司 | A kind of footwear and its rear enclosure component |
CN110996707A (en) * | 2017-07-31 | 2020-04-10 | 耐克创新有限合伙公司 | Uppers for articles of footwear |
CN114098217A (en) * | 2021-10-29 | 2022-03-01 | 振扬实业(河源)有限公司 | A thermoplastic elastomer shoe body and its manufacturing method |
-
2015
- 2015-08-17 CN CN201520619036.8U patent/CN204838211U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110996707A (en) * | 2017-07-31 | 2020-04-10 | 耐克创新有限合伙公司 | Uppers for articles of footwear |
CN107232689A (en) * | 2017-08-02 | 2017-10-10 | 安踏(中国)有限公司 | A kind of footwear and its rear enclosure component |
CN107232689B (en) * | 2017-08-02 | 2023-03-24 | 安踏(中国)有限公司 | Shoe and rear sleeve component thereof |
CN114098217A (en) * | 2021-10-29 | 2022-03-01 | 振扬实业(河源)有限公司 | A thermoplastic elastomer shoe body and its manufacturing method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204838232U (en) | High elasticity shock attenuation shoes of breathing freely | |
CN204838211U (en) | Ventilative shock attenuation shoes | |
CN204181059U (en) | With the air-permeable anti-bacterial footwear on lace top layer | |
CN204838234U (en) | Ventilative reflection of light shoes | |
CN201691166U (en) | Sports shoes | |
CN204838233U (en) | Ventilative shoes of shock attenuation antiskid | |
CN204812352U (en) | Luminous shoes with transparent top layer | |
CN218008393U (en) | Sports shoes with it is deodorant ventilative good | |
CN213428650U (en) | Deodorant durable comfortable leather shoe | |
CN203314231U (en) | Ultra-light hollowed-out casual sneakers | |
CN204838253U (en) | Three -dimensional anti -skidding sports shoes | |
CN103637509B (en) | A kind of Odor-resistant dampproof leather shoe | |
CN204861398U (en) | Breathable shoe uppers and contain playshoes of this vamp | |
CN216651465U (en) | Multifunctional detachable general slippers | |
CN219578309U (en) | Antibacterial sock | |
CN203523916U (en) | Easy-to-wear male odor-resistant leather shoe | |
CN203646590U (en) | Deodorant breathable leather shoes | |
CN103637484A (en) | Front-and-back ventilation breathable leather shoe for man | |
CN203646593U (en) | Male breathable leather shoe with both front portion and rear portion resistant to odor | |
CN210539213U (en) | Shoes with replaceable soles | |
CN103637486B (en) | A kind of Front-and-back deodorant breathable leather shoe for man | |
CN205006061U (en) | Can deodorant sports shoes | |
CN205006027U (en) | Can ventilative deodorization sports shoes | |
CN205006037U (en) | Damping sneaker | |
CN103535984B (en) | A kind of deodorization ventilated leather shoe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180817 |
|
CF01 | Termination of patent right due to non-payment of annual fee |