CN219093289U - A pressing device for stamping parts - Google Patents

A pressing device for stamping parts Download PDF

Info

Publication number
CN219093289U
CN219093289U CN202223075521.2U CN202223075521U CN219093289U CN 219093289 U CN219093289 U CN 219093289U CN 202223075521 U CN202223075521 U CN 202223075521U CN 219093289 U CN219093289 U CN 219093289U
Authority
CN
China
Prior art keywords
fixedly connected
fixed frame
pressing device
base
feeding
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
Application number
CN202223075521.2U
Other languages
Chinese (zh)
Inventor
单提利
邵帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Yuheng Sheng Machinery Manufacturing Co ltd
Original Assignee
Qingdao Yuheng Sheng Machinery Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Yuheng Sheng Machinery Manufacturing Co ltd filed Critical Qingdao Yuheng Sheng Machinery Manufacturing Co ltd
Priority to CN202223075521.2U priority Critical patent/CN219093289U/en
Application granted granted Critical
Publication of CN219093289U publication Critical patent/CN219093289U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Press Drives And Press Lines (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)

Abstract

本实用新型公开了一种冲压件压制装置,包括底座,所述底座的上端固定连接有固定架,所述固定架的上端设置有下模具,所述固定架的上端设置有用于对物料进行送料的送料机构,所述送料机构包括固定连接在固定架的上端的两个对称设置的限位板,两个所述限位板的上端面均开设有滑槽,两个所述滑槽内均滑动连接有齿条,两个所述齿条的端部共同固定连接有移动板,所述移动板靠近下模具的一端固定连接有夹具,所述固定架的上端固定连接有两个对称设置的固定块。本实用新型结构合理,通过设置送料机构以及驱动机构,实现自动的送料,该方式相较于传统的人工送料的方式更加便捷,且危险系数低。

Figure 202223075521

The utility model discloses a stamping part pressing device, which comprises a base, the upper end of the base is fixedly connected with a fixed frame, the upper end of the fixed frame is provided with a lower mold, and the upper end of the fixed frame is provided with a The feeding mechanism includes two symmetrically arranged limiting plates fixedly connected to the upper end of the fixed frame, the upper end surfaces of the two limiting plates are provided with chute, and the two chute A rack is slidingly connected, the ends of the two racks are fixedly connected to a moving plate, the end of the moving plate close to the lower mold is fixedly connected to a clamp, and the upper end of the fixed frame is fixedly connected to two symmetrically arranged Fixed block. The utility model has a reasonable structure and realizes automatic material feeding by setting a feeding mechanism and a driving mechanism. Compared with the traditional manual feeding method, this method is more convenient and has a lower risk factor.

Figure 202223075521

Description

一种冲压件压制装置A pressing device for stamping parts

技术领域technical field

本实用新型涉及冲压装置技术领域,尤其涉及一种冲压件压制装置。The utility model relates to the technical field of stamping devices, in particular to a pressing device for stamping parts.

背景技术Background technique

冲压是靠压力机和模具对板材、带材、管材和型材等施加外力,使之产生塑性变形或分离,从而获得所需形状和尺寸的工件(冲压件)的成形加工方法,冲压包括变形工序和分离工序两种,分离工序也称冲裁,其目的是使冲压件沿一定轮廓线从条料上分离,同时保证分离断面的质量要求。Stamping is to rely on presses and molds to apply external force to plates, strips, pipes, and profiles to cause plastic deformation or separation, so as to obtain workpieces (stamping parts) of required shape and size. Stamping includes deformation processes The separation process is also called punching, and its purpose is to separate the stamping parts from the strip along a certain contour line, while ensuring the quality requirements of the separation section.

在对一些较长的板材进行冲压时,可能需要在板材上取较多的冲压件,因此需要连续的在板材的不同位置进行冲压,现有技术中,传统的方式都采用人工送料,即人工向前推动板材移动,但是这样的方式存在着较大的缺陷,如人工送料的精度不够高,影响冲压效果,且人工送料较为费力,同时人工送料还具有一定的危险性,因此本实用新型提出了一种冲压件压制装置。When stamping some longer plates, it may be necessary to take more stamping parts on the plate, so it is necessary to continuously stamp at different positions of the plate. In the prior art, the traditional method uses manual feeding, that is, manual Push the plate forward to move, but there are big defects in this method, such as the accuracy of manual feeding is not high enough, which affects the stamping effect, and manual feeding is more laborious, and at the same time, manual feeding also has certain dangers, so the utility model proposes A pressing device for stamping parts is provided.

实用新型内容Utility model content

本实用新型的目的是为了解决现有技术中存在的缺点,而提出的一种冲压件压制装置,通过设置送料机构以及驱动机构,实现自动的送料,该方式相较于传统的人工送料的方式更加便捷,且危险系数低。The purpose of this utility model is to solve the shortcomings in the prior art, and propose a pressing device for stamping parts. By setting a feeding mechanism and a driving mechanism, automatic feeding is realized. Compared with the traditional manual feeding method More convenient and less risky.

为了实现上述目的,本实用新型采用了如下技术方案:In order to achieve the above object, the utility model adopts the following technical solutions:

一种冲压件压制装置,包括底座,所述底座的上端固定连接有固定架,所述固定架的上端设置有下模具,所述固定架的上端设置有用于对物料进行送料的送料机构,所述送料机构包括固定连接在固定架的上端的两个对称设置的限位板,两个所述限位板的上端面均开设有滑槽,两个所述滑槽内均滑动连接有齿条,两个所述齿条的端部共同固定连接有移动板,所述移动板靠近下模具的一端固定连接有夹具,所述固定架的上端固定连接有两个对称设置的固定块,两个所述固定块之间共同设置有用于对送料机构进行驱动的驱动机构,所述底座的上端还设置有用于对落下的物料进行输送的输送机构。A pressing device for stamping parts, comprising a base, the upper end of the base is fixedly connected with a fixed frame, the upper end of the fixed frame is provided with a lower mold, and the upper end of the fixed frame is provided with a feeding mechanism for feeding materials, the The feeding mechanism includes two symmetrically arranged limiting plates fixedly connected to the upper end of the fixed frame, the upper end surfaces of the two limiting plates are provided with chute, and a rack is slidably connected in the two chute , the ends of the two racks are fixedly connected with a movable plate, the end of the movable plate close to the lower mold is fixedly connected with a clamp, and the upper end of the fixed frame is fixedly connected with two symmetrically arranged fixed blocks, two A driving mechanism for driving the feeding mechanism is jointly arranged between the fixed blocks, and a conveying mechanism for conveying the falling materials is also arranged on the upper end of the base.

优选地,所述驱动机构包括转动连接在两个所述固定块之间的驱动杆,所述驱动杆上固定套接有两个对称设置的不完全齿轮,两个所述不完全齿轮分别与两个齿条相配合。Preferably, the drive mechanism includes a drive rod rotatably connected between the two fixed blocks, and two symmetrically arranged incomplete gears are fixedly sleeved on the drive rod, and the two incomplete gears are respectively connected to The two racks cooperate.

优选地,所述输送机构包括固定连接在底座上端的四个呈矩形分布的固定板,四个所述固定板之间共同设置有传送带。Preferably, the conveying mechanism includes four rectangular fixed plates fixedly connected to the upper end of the base, and a conveyor belt is arranged between the four fixed plates.

优选地,所述固定架的上端固定连接有四个电动推杆,四个所述电动推杆的伸缩端共同固定连接有横板,所述横板的下端设置有与下模具相配合的上模具。Preferably, the upper end of the fixed frame is fixedly connected with four electric push rods, and the telescopic ends of the four electric push rods are jointly fixedly connected with a horizontal plate, and the lower end of the horizontal plate is provided with an upper mold matched with the lower mold. mold.

优选地,所述底座的下端设置有防滑垫,所述防滑垫的材质为橡胶。Preferably, an anti-slip pad is provided at the lower end of the base, and the material of the anti-slip pad is rubber.

优选地,所述下模具内开设有模具槽,所述固定架的上端开设有与模具槽相配合的下料槽。Preferably, a mold groove is opened in the lower mold, and a cutting groove matched with the mold groove is opened at the upper end of the fixing frame.

本实用新型与现有技术相比,其有益效果为:Compared with the prior art, the utility model has the beneficial effects as follows:

1、通过设置送料机构以及驱动机构,冲压时将物料放置到夹具上进行夹持,随后驱动电机的输出轴转动,带动驱动杆以及不完全齿轮转动,在不完全齿轮的作用下,齿条间歇的往前移动,从而带动移动板、夹具以及物料向前推进,实现自动的送料,该方式相较于传统的人工送料的方式更加便捷,且危险系数低。1. By setting the feeding mechanism and the driving mechanism, the material is placed on the fixture for clamping during stamping, and then the output shaft of the drive motor rotates, driving the drive rod and the incomplete gear to rotate. Under the action of the incomplete gear, the rack is intermittent To move forward, so as to drive the moving plate, fixture and material forward, to realize automatic feeding. Compared with the traditional manual feeding method, this method is more convenient and has a lower risk factor.

2、通过设置输送机构,冲压下的冲压件由模具槽以及下料槽落至传送带上,在传送带的作用下将冲压件输送至指定位置,冲压的过程中能够实现自动取料,大大提高工作效率。2. By setting the conveying mechanism, the stamped parts under stamping will fall from the mold groove and the discharge trough to the conveyor belt, and the stamped parts will be transported to the designated position under the action of the conveyor belt, and the automatic material removal can be realized during the stamping process, which greatly improves the work efficiency. efficiency.

附图说明Description of drawings

图1为本实用新型提出的一种冲压件压制装置的结构示意图;Fig. 1 is the structural representation of a kind of stamping part pressing device that the utility model proposes;

图2为图1中的A处结构放大图;Figure 2 is an enlarged view of the structure at A in Figure 1;

图3为本实用新型提出的一种冲压件压制装置的剖视图。Fig. 3 is a cross-sectional view of a pressing device for stamping parts proposed by the present invention.

图中:1底座、2固定板、3传送带、4电动推杆、5横板、6固定架、7移动板、8不完全齿轮、9夹具、10驱动杆、11电机、12下模具、13模具槽、14上模具、15下料槽。In the figure: 1 base, 2 fixed plate, 3 conveyor belt, 4 electric push rod, 5 horizontal plate, 6 fixed frame, 7 moving plate, 8 incomplete gear, 9 fixture, 10 driving rod, 11 motor, 12 lower mold, 13 Mold groove, 14 upper molds, 15 lower troughs.

具体实施方式Detailed ways

为使本实用新型的上述目的、特征和优点能够更加明显易懂,下面结合附图对本实用新型的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本实用新型。但是本实用新型能够以很多不同于在此描述的其它方式来实施,本领域技术人员可以在不违背本实用新型内涵的情况下做类似改进,因此本实用新型不受下面公开的具体实施的限制。In order to make the above purpose, features and advantages of the present utility model more obvious and understandable, the specific implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention. However, the utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below .

参照图1-3,一种冲压件压制装置,包括底座1,底座1的上端固定连接有固定架6,固定架6的上端设置有下模具12,固定架6的上端设置有用于对物料进行送料的送料机构,送料机构包括固定连接在固定架6的上端的两个对称设置的限位板,两个限位板的上端面均开设有滑槽,两个滑槽内均滑动连接有齿条,两个齿条的端部共同固定连接有移动板7,移动板7靠近下模具12的一端固定连接有夹具9,固定架6的上端固定连接有两个对称设置的固定块,固定架6的上端固定连接有四个电动推杆4,四个电动推杆4的伸缩端共同固定连接有横板5,横板5的下端设置有与下模具12相配合的上模具14,底座1的下端设置有防滑垫,防滑垫的材质为橡胶,下模具12内开设有模具槽13,固定架6的上端开设有与模具槽13相配合的下料槽15。Referring to Figures 1-3, a pressing device for stamping parts includes a base 1, the upper end of the base 1 is fixedly connected with a fixed frame 6, the upper end of the fixed frame 6 is provided with a lower mold 12, and the upper end of the fixed frame 6 is provided with a mold for material. The feeding mechanism of feeding, the feeding mechanism includes two symmetrically arranged limiting plates fixedly connected to the upper end of the fixed frame 6, the upper end faces of the two limiting plates are all provided with chute, and there are toothed slidably connected in the two chute. The ends of the two racks are fixedly connected with a movable plate 7, and one end of the movable plate 7 close to the lower mold 12 is fixedly connected with a clamp 9, and the upper end of the fixed frame 6 is fixedly connected with two symmetrically arranged fixed blocks. The upper end of 6 is fixedly connected with four electric push rods 4, and the telescopic ends of the four electric push rods 4 are jointly fixedly connected with a horizontal plate 5, and the lower end of the horizontal plate 5 is provided with an upper mold 14 matched with a lower mold 12, and a base 1 The lower end of is provided with anti-slip pad, and the material of anti-slip pad is rubber, offers mold groove 13 in lower mold 12, and the upper end of fixed mount 6 offers the blanking trough 15 that matches with mold groove 13.

两个固定块之间共同设置有用于对送料机构进行驱动的驱动机构,驱动机构包括转动连接在两个固定块之间的驱动杆10,驱动杆10上固定套接有两个对称设置的不完全齿轮8,两个不完全齿轮8分别与两个齿条相配合。A drive mechanism for driving the feeding mechanism is provided between the two fixed blocks. The drive mechanism includes a drive rod 10 that is rotatably connected between the two fixed blocks. The drive rod 10 is fixedly sleeved with two symmetrically disposed Complete gear 8, two incomplete gears 8 cooperate with two racks respectively.

底座1的上端还设置有用于对落下的物料进行输送的输送机构,输送机构包括固定连接在底座1上端的四个呈矩形分布的固定板2,四个固定板2之间共同设置有传送带3,值得一提的是,冲压的过程中,传送带3启动,冲压下的冲压件由模具槽13以及下料槽15落至传送带3上,在传送带3的作用下将冲压件输送至指定位置,冲压的过程中能够实现自动取料,大大提高工作效率。The upper end of the base 1 is also provided with a conveying mechanism for conveying the falling materials. The conveying mechanism includes four rectangularly distributed fixed plates 2 fixedly connected to the upper end of the base 1, and a conveyor belt 3 is arranged between the four fixed plates 2 It is worth mentioning that during the stamping process, the conveyor belt 3 starts, and the stamped parts under stamping fall from the die groove 13 and the discharge trough 15 to the conveyor belt 3, and the stamped parts are transported to the designated position under the action of the conveyor belt 3. During the stamping process, automatic material retrieving can be realized, which greatly improves work efficiency.

本实用新型使用时,冲压时将物料放置到夹具9上进行夹持,随后驱动电机11的输出轴转动,带动驱动杆10以及不完全齿轮8转动,在不完全齿轮8的作用下,齿条间歇的往前移动,从而带动移动板7、夹具9以及物料向前推进,实现自动的送料,该方式相较于传统的人工送料的方式更加便捷,且危险系数低;When the utility model is used, the material is placed on the fixture 9 for clamping during stamping, and then the output shaft of the drive motor 11 rotates, driving the drive rod 10 and the incomplete gear 8 to rotate, and under the action of the incomplete gear 8, the rack It moves forward intermittently, thereby driving the moving plate 7, the clamp 9 and the material forward to realize automatic feeding. Compared with the traditional manual feeding method, this method is more convenient and has a lower risk factor;

冲压的过程中,传送带3启动,冲压下的冲压件由模具槽13以及下料槽15落至传送带3上,在传送带3的作用下将冲压件输送至指定位置,冲压的过程中能够实现自动取料,大大提高工作效率。During the stamping process, the conveyor belt 3 starts, and the stamped parts under stamping fall from the die groove 13 and the discharge trough 15 to the conveyor belt 3, and the stamping parts are transported to the designated position under the action of the conveyor belt 3. During the stamping process, automatic Retrieving materials, greatly improving work efficiency.

以上所述,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,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1.一种冲压件压制装置,包括底座(1),其特征在于,所述底座(1)的上端固定连接有固定架(6),所述固定架(6)的上端设置有下模具(12),所述固定架(6)的上端设置有用于对物料进行送料的送料机构,所述送料机构包括固定连接在固定架(6)的上端的两个对称设置的限位板,两个所述限位板的上端面均开设有滑槽,两个所述滑槽内均滑动连接有齿条,两个所述齿条的端部共同固定连接有移动板(7),所述移动板(7)靠近下模具(12)的一端固定连接有夹具(9),所述固定架(6)的上端固定连接有两个对称设置的固定块,两个所述固定块之间共同设置有用于对送料机构进行驱动的驱动机构,所述底座(1)的上端还设置有用于对落下的物料进行输送的输送机构。1. A stamping part pressing device, comprising a base (1), is characterized in that the upper end of the base (1) is fixedly connected with a mount (6), and the upper end of the mount (6) is provided with a lower mold ( 12), the upper end of the fixed frame (6) is provided with a feeding mechanism for feeding materials, and the feeding mechanism includes two symmetrically arranged limiting plates fixedly connected to the upper end of the fixed frame (6), two The upper end surfaces of the limiting plates are provided with chute, and racks are slidably connected in the two chutes, and the ends of the two racks are fixedly connected with a moving plate (7). One end of the plate (7) close to the lower mold (12) is fixedly connected with a clamp (9), and the upper end of the fixed frame (6) is fixedly connected with two symmetrically arranged fixed blocks, and the two fixed blocks are jointly arranged There is a driving mechanism for driving the feeding mechanism, and the upper end of the base (1) is also provided with a conveying mechanism for conveying the falling materials. 2.根据权利要求1所述的一种冲压件压制装置,其特征在于,所述驱动机构包括转动连接在两个所述固定块之间的驱动杆(10),所述驱动杆(10)上固定套接有两个对称设置的不完全齿轮(8),两个所述不完全齿轮(8)分别与两个齿条相配合。2. A stamping part pressing device according to claim 1, characterized in that, the drive mechanism comprises a drive rod (10) rotatably connected between the two fixed blocks, and the drive rod (10) The upper fixed sleeve is provided with two symmetrically arranged incomplete gears (8), and the two incomplete gears (8) are matched with two racks respectively. 3.根据权利要求2所述的一种冲压件压制装置,其特征在于,所述输送机构包括固定连接在底座(1)上端的四个呈矩形分布的固定板(2),四个所述固定板(2)之间共同设置有传送带(3)。3. A pressing device for stamping parts according to claim 2, characterized in that, the conveying mechanism comprises four rectangularly distributed fixing plates (2) fixedly connected to the upper end of the base (1), and the four A conveyor belt (3) is jointly arranged between the fixing plates (2). 4.根据权利要求3所述的一种冲压件压制装置,其特征在于,所述固定架(6)的上端固定连接有四个电动推杆(4),四个所述电动推杆(4)的伸缩端共同固定连接有横板(5),所述横板(5)的下端设置有与下模具(12)相配合的上模具(14)。4. A stamping part pressing device according to claim 3, characterized in that, the upper end of the fixed frame (6) is fixedly connected with four electric push rods (4), and the four electric push rods (4) ) are jointly fixedly connected with a horizontal plate (5), and the lower end of the horizontal plate (5) is provided with an upper mold (14) matched with the lower mold (12). 5.根据权利要求4所述的一种冲压件压制装置,其特征在于,所述底座(1)的下端设置有防滑垫,所述防滑垫的材质为橡胶。5. A pressing device for stamping parts according to claim 4, characterized in that, the lower end of the base (1) is provided with an anti-slip pad, and the material of the anti-slip pad is rubber. 6.根据权利要求5所述的一种冲压件压制装置,其特征在于,所述下模具(12)内开设有模具槽(13),所述固定架(6)的上端开设有与模具槽(13)相配合的下料槽(15)。6. A pressing device for stamping parts according to claim 5, characterized in that, a mold groove (13) is opened in the lower mold (12), and a mold groove (13) is opened at the upper end of the fixed frame (6). (13) matching feeding chute (15).
CN202223075521.2U 2022-11-18 2022-11-18 A pressing device for stamping parts Expired - Fee Related CN219093289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223075521.2U CN219093289U (en) 2022-11-18 2022-11-18 A pressing device for stamping parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223075521.2U CN219093289U (en) 2022-11-18 2022-11-18 A pressing device for stamping parts

Publications (1)

Publication Number Publication Date
CN219093289U true CN219093289U (en) 2023-05-30

Family

ID=86427512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223075521.2U Expired - Fee Related CN219093289U (en) 2022-11-18 2022-11-18 A pressing device for stamping parts

Country Status (1)

Country Link
CN (1) CN219093289U (en)

Similar Documents

Publication Publication Date Title
CN116274518B (en) One-step forming device and forming method for bending and cutting corners of letter tray frame
CN219093289U (en) A pressing device for stamping parts
CN220461881U (en) A pushing limit structure and parts stamping equipment
CN220406779U (en) A kind of stamping device for machinery manufacturing
CN221675446U (en) Lithium battery stamping support
CN212472531U (en) A kind of iron filing compression equipment for CNC machining center
CN219503547U (en) Stamping die convenient to unloading
CN211917829U (en) An automatic hydraulic shaping equipment
CN205341714U (en) Safe rapid demoulding's stamping die
CN221434575U (en) Stainless steel sheet continuous stamping forming device
CN219944277U (en) Punching machine is used in metalwork processing that facilitates use
CN118950795A (en) A punching device for punching parts of engineering machinery
CN208195452U (en) A kind of metal plate punching automatic material distributing device
CN210059598U (en) A feeding device for stamping die
CN216236660U (en) A fully automatic optical glass pressing machine
CN217648965U (en) Step-by-step drawing material conductive foam forming machine
CN223097767U (en) Automatic punching equipment
CN110576081A (en) A high-efficiency shaping machine with a fully automatic feeding and discharging device
CN211218209U (en) Workstation is used in hardware processing with adjustable
CN221909314U (en) Stamping processing equipment
CN222175007U (en) Quantitative blanking device for die
CN223802657U (en) Cutting equipment with fixed-distance cutting function for processing transfer plate
CN222754177U (en) Part stamping forming device convenient to get material
CN213261103U (en) Film feeding structure of circuit board die
CN223442417U (en) A production mold for automobile sealing strips

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20230530

CF01 Termination of patent right due to non-payment of annual fee