CN104089767B - Fresh-keeping box cover snap close strength tester - Google Patents
Fresh-keeping box cover snap close strength tester Download PDFInfo
- Publication number
- CN104089767B CN104089767B CN201410344858.XA CN201410344858A CN104089767B CN 104089767 B CN104089767 B CN 104089767B CN 201410344858 A CN201410344858 A CN 201410344858A CN 104089767 B CN104089767 B CN 104089767B
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- Prior art keywords
- snap close
- box cover
- slide block
- guide rail
- insulating body
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Packages (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
nullThe invention discloses a kind of fresh-keeping box cover snap close strength tester，The support that it is installed in including thermal-insulating body and thermal-insulating body，By driven by motor one turntable rotation on described support，In the bottom of described support, the rail brackets with the first line slideway is installed，The top of head rod is arranged on described rotating disk with eccentric，Being connected with the first guide rail slide block in line slideway of head rod，First guide rail slide block also one end with the second connecting rod is connected，The other end of described second connecting rod is connected with box cover clamper，Two the second line slideways are fixed in bottom in described thermal-insulating body，Described in every width, the outside of the second line slideway is respectively equipped with the second guide rail slide block，The pull bar of tensile force of belt sensor is arranged by stud connection respectively at the top of each described second guide rail slide block，The other end of each described pull bar is connected to snap close clamper，Described snap close clamper is held and mounted on the lid snap close at the box cover two ends in described box cover clamper respectively；Use said structure, it is achieved that the snap close intensity conveniently detecting crisper end cap and the effect of the snap close intensity detection standard that can make crisper end cap.
Description
Technical field
The present invention relates to a kind of strength tester, particularly relate to a kind of fresh-keeping box cover snap close strength tester.
Background technology
At present, glass preservation box and plastic preserving box have been widely used, and use crisper to preserve food, can extend storage life and the freshness date of food.But the damage of crisper is the most at first from the beginning of the snap close of fresh-keeping box cover ruptures, the standard that the snap close of fresh-keeping box cover is the most unified so far and detection equipment.Use artificial bending inspection snap close intensity time some manufacturing enterprise is indivedual, but major part enterprise is then the most verified.During artificial bending survey fees, laborious, poor reproducibility, randomness are big, can only qualitative can not be quantitative.
Summary of the invention
It is an object of the invention to provide a kind of convenient detection crisper end cap snap close intensity and can be as the fresh-keeping box cover snap close strength tester of the snap close intensity detection standard of crisper end cap.
nullThe technical scheme is that a kind of fresh-keeping box cover snap close strength tester，It includes thermal-insulating body 1，It is characterized in that: be provided with support 2 at the middle part of described thermal-insulating body，The top of described support 2 is provided with motor 4，Described motor 4 drives rotating disk 6 to rotate by the reductor 5 being connected，In the bottom of described support 2, the rail brackets 3 with the first line slideway 7 is installed，It is provided with the first guide rail slide block 8 in described first line slideway 7，The described top of the first guide rail slide block 8 is connected with one end of head rod 9，Eccentric being arranged on described rotating disk 6 of the other end of described head rod 9，One end of bottom second connecting rod 10 adjustable with of described first guide rail slide block 8 is connected，The other end of described second connecting rod 10 is connected with box cover clamper 11，Two the second line slideways 19 are fixed in described thermal-insulating body 1 and in the bottom of described thermal-insulating body 1，Described in every width, the outside of the second line slideway 19 is respectively equipped with the second guide rail slide block 16，The pull bar of tensile force of belt sensor 13 is arranged by stud connection respectively at the top of each described second guide rail slide block 16，The other end of each described pull bar is connected to snap close clamper 12，The lid snap close 15 at box cover 14 two ends that described snap close clamper 12 is held and mounted in described box cover clamper 11 respectively，Described in every width, the inner side of the second line slideway 19 is respectively equipped with fixing slide block 17，The outside of each described fixing slide block 17 is respectively equipped with spring assembly 18.
Technical scheme can also is that the inside bottom at described second line slideway 19 is respectively equipped with guide rail pitch adjustment part 20.
Technical scheme can also is that the terminal position at described second guide rail slide block 16 is provided with flexible number counter 21 and the pulling force display window being connected with described pulling force sensor 13.
Technical scheme can also is that and is additionally provided with semiconductor cooler 22 on the sidewall of described thermal-insulating body 1.
Technical scheme can also is that and is also equipped with temperature sensor 23 and illuminating lamp 24 on the sidewall of described thermal-insulating body 1.
Technical scheme can also is that be provided with snap close fractures Automatic stop switch in the bending place of described snap close 15.
nullThe invention has the beneficial effects as follows by being provided with support 2 at the middle part of described thermal-insulating body，The top of described support 2 is provided with motor 4，Described motor 4 drives rotating disk 6 to rotate by the reductor 5 being connected，In the bottom of described support 2, the rail brackets 3 with the first line slideway 7 is installed，It is provided with the first guide rail slide block 8 in described first line slideway 7，The described top of the first guide rail slide block 8 is connected with one end of head rod 9，Eccentric being arranged on described rotating disk 6 of the other end of described head rod 9，One end of bottom second connecting rod 10 adjustable with of described first guide rail slide block 8 is connected，The other end of described second connecting rod 10 is connected with box cover clamper 11，Two the second line slideways 19 are fixed in described thermal-insulating body 1 and in the bottom of described thermal-insulating body 1，Described in every width, the outside of the second line slideway 19 is respectively equipped with the second guide rail slide block 16，The pull bar of tensile force of belt sensor 13 is arranged by stud connection respectively at the top of each described second guide rail slide block 16，The other end of each described pull bar is connected to snap close clamper 12，The lid snap close 15 at box cover 14 two ends that described snap close clamper 12 is held and mounted in described box cover clamper 11 respectively，Described in every width, the inner side of the second line slideway 19 is respectively equipped with fixing slide block 17，The outside of each described fixing slide block 17 is respectively equipped with spring assembly 18；During detection, head rod 9 is gone to lowest part by the rotation first passing through rotating disk 6, then crisper lid 14 is fixed with box cover clamper 11, by snap close clamper 12, the snap close 15 of crisper end cap 14 is clamped again, regulation guide rail pitch adjustment part 20, two ends in the middle part of the second line slideway 19 are allowed to rise certain altitude, make two ends, outside height identical and fix, again rotating disk 6 is rotated and forward head rod 9 to highest point, the length of regulation adjustable length connecting rod 10, allow snap close 15, snap close clamper 12 and pulling force sensor 13 are in close to vertical direction, regulation can fix slide block 17 and the position of spring assembly 18, maximum stretching force size suffered by the most adjustable snap close.By semiconductor cooler 22, the temperature of thermal-insulating body 1 is kept a certain relative constancy, start motor 4 and drive rotating disk 6 to rotate by the reductor 5 being connected, rotation along with rotating disk 6, the first guide rail slide block about 8 is driven to move along a straight line by head rod 9, thus drive box cover 14 to do and up and down reciprocatingly move along a straight line, second guide rail slide block 16 does left and right linear reciprocating motion simultaneously, and snap close 15 is then constantly by bending with pulling action and recording bending number of times by flexible number counter 21.So, it is achieved that the snap close intensity conveniently detecting crisper end cap and the effect of the snap close intensity detection standard that can make crisper end cap.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
Fig. 2 is the head rod 9 highest point structural representation in Fig. 1
Fig. 1, in 21, thermal-insulating body, 2, support, 3, rail brackets, 4, motor, 5, reductor, 6, rotating disk, 7, first line slideway, 8, first guide rail slide block, 9, head rod, 10, second connecting rod, 11, box cover clamper, 12, snap close clamper, 13, pulling force sensor, 14, crisper end cap, 15, snap close, 16, second guide rail slide block, 17, fixing slide block, 18, spring assembly, 19, second line slideway, 20, guide rail pitch adjustment part, 21, flexible number counter, 22, semiconductor cooler, 23, temperature sensor, 24, illuminating lamp.
Detailed description of the invention
nullAccording to Fig. 1、Shown in 2，The present invention relates to a kind of fresh-keeping box cover snap close strength tester，It includes thermal-insulating body 1，The sidewall of described thermal-insulating body 1 is provided with semiconductor cooler 22，The sidewall of described thermal-insulating body 1 is also equipped with temperature sensor 23 and illuminating lamp 24，It is provided with support 2 at the middle part of described thermal-insulating body，The top of described support 2 is provided with motor 4，Described motor 4 drives rotating disk 6 to rotate by the reductor 5 being connected，In the bottom of described support 2, the rail brackets 3 with the first line slideway 7 is installed，It is provided with the first guide rail slide block 8 in described first line slideway 7，The described top of the first guide rail slide block 8 is connected with one end of head rod 9，Eccentric being arranged on described rotating disk 6 of the other end of described head rod 9，One end of bottom second connecting rod 10 adjustable with of described first guide rail slide block 8 is connected，The other end of described second connecting rod 10 is connected with box cover clamper 11，Two the second line slideways 19 are fixed in described thermal-insulating body 1 and in the bottom of described thermal-insulating body 1，Inside bottom at described second line slideway 19 is respectively equipped with guide rail pitch adjustment part 20，Described in every width, the outside of the second line slideway 19 is respectively equipped with the second guide rail slide block 16，Terminal position at described second guide rail slide block 16 is provided with flexible number counter 21 and the pulling force display window being connected with described pulling force sensor 13，The pull bar of tensile force of belt sensor 13 is arranged by stud connection respectively at the top of each described second guide rail slide block 16，The other end of each described pull bar is connected to snap close clamper 12，The lid snap close 15 at box cover 14 two ends that described snap close clamper 12 is held and mounted in described box cover clamper 11 respectively，It is also equipped with snap close to fracture Automatic stop switch in the bending place of described snap close 15，Described in every width, the inner side of the second line slideway 19 is respectively equipped with fixing slide block 17，The outside of each described fixing slide block 17 is respectively equipped with spring assembly 18；During detection, head rod 9 is gone to lowest part by the rotation first passing through rotating disk 6, then crisper lid 14 is fixed with box cover clamper 11, by snap close clamper 12, the snap close 15 of crisper end cap 14 is clamped again, regulation guide rail pitch adjustment part 20, this guide rail pitch adjustment part 20 can be expansion screw or screw, two ends in the middle part of the second line slideway 19 are allowed to rise certain altitude, make two ends, outside height identical and fix, again rotating disk 6 is rotated and forward head rod 9 to highest point, the length of regulation adjustable length connecting rod 10, allow snap close 15, snap close clamper 12 and pulling force sensor 13 are in close to vertical direction, regulation can fix slide block 17 and the position of spring assembly 18, maximum stretching force size suffered by the most adjustable snap close.By semiconductor cooler 22, the temperature of thermal-insulating body 1 is kept a certain relative constancy, start motor 4 and drive rotating disk 6 to rotate by the reductor 5 being connected, rotation along with rotating disk 6, the first guide rail slide block about 8 is driven to move along a straight line by head rod 9, thus drive box cover 14 to do and up and down reciprocatingly move along a straight line, second guide rail slide block 16 does left and right linear reciprocating motion simultaneously, snap close 15 is then constantly by bending with pulling action and recording bending number of times by flexible number counter 21, until arbitrary snap close 15 ruptures, on it arrange snap close fracture Automatic stop switch close.So, it is achieved that the snap close intensity conveniently detecting crisper end cap and the effect of the snap close intensity detection standard that can make crisper end cap.
Claims (6)
- null1. a fresh-keeping box cover snap close strength tester，It includes thermal-insulating body (1)，It is characterized in that: be provided with support (2) at the middle part of described thermal-insulating body，The top of described support (2) is provided with motor (4)，Described motor (4) drives rotating disk (6) to rotate by the reductor (5) being connected，Rail brackets (3) with the first line slideway (7) is installed in the bottom of described support (2)，It is provided with the first guide rail slide block (8) in described first line slideway (7)，The top of described first guide rail slide block (8) is connected with one end of head rod (9)，Eccentric being arranged on described rotating disk (6) of the other end of described head rod (9)，One end of bottom second connecting rod (10) adjustable with of described first guide rail slide block (8) is connected，The other end of described second connecting rod (10) is connected with box cover clamper (11)，Two secondary second line slideways (19) are fixed in described thermal-insulating body (1) and in the bottom of described thermal-insulating body (1)，The outside of every secondary described second line slideway (19) is respectively equipped with the second guide rail slide block (16)，The pull bar of tensile force of belt sensor (13) is arranged by stud connection respectively at the top of each described second guide rail slide block (16)，The other end of each described pull bar is connected to snap close clamper (12)，Described snap close clamper (12) is held and mounted on the lid snap close (15) at box cover (14) two ends in described box cover clamper (11) respectively，The inner side of every secondary described second line slideway (19) is respectively equipped with fixing slide block (17)，The outside of each described fixing slide block (17) is respectively equipped with spring assembly (18).
- Fresh-keeping box cover snap close strength tester the most according to claim 1, it is characterised in that: the inside bottom described second line slideway (19) is respectively equipped with guide rail pitch adjustment part (20).
- Fresh-keeping box cover snap close strength tester the most according to claim 1 and 2, it is characterised in that: the terminal position described second guide rail slide block (16) is provided with flexible number counter (21) and the pulling force display window being connected with described pulling force sensor (13).
- Fresh-keeping box cover snap close strength tester the most according to claim 3, it is characterised in that: on the sidewall of described thermal-insulating body (1), it is additionally provided with semiconductor cooler (22).
- Fresh-keeping box cover snap close strength tester the most according to claim 4, it is characterised in that: on the sidewall of described thermal-insulating body (1), it is also equipped with temperature sensor (23) and illuminating lamp (24).
- Fresh-keeping box cover snap close strength tester the most according to claim 3, it is characterised in that: snap close is installed in the bending place of described snap close (15) and fractures Automatic stop switch.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344858.XA CN104089767B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover snap close strength tester |
| CN201610524152.0A CN106197976B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover latches strength tester |
| CN201610524181.7A CN106053044B (en) | 2014-07-18 | 2014-07-18 | A kind of fresh-keeping box cover lock strength tester |
| CN201610526896.6A CN106197978B (en) | 2014-07-18 | 2014-07-18 | A kind of crisper end cap lock strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344858.XA CN104089767B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover snap close strength tester |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610524181.7A Division CN106053044B (en) | 2014-07-18 | 2014-07-18 | A kind of fresh-keeping box cover lock strength tester |
| CN201610524152.0A Division CN106197976B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover latches strength tester |
| CN201610526896.6A Division CN106197978B (en) | 2014-07-18 | 2014-07-18 | A kind of crisper end cap lock strength tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089767A CN104089767A (en) | 2014-10-08 |
| CN104089767B true CN104089767B (en) | 2016-08-24 |
Family
ID=51637505
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410344858.XA Active CN104089767B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover snap close strength tester |
| CN201610526896.6A Active CN106197978B (en) | 2014-07-18 | 2014-07-18 | A kind of crisper end cap lock strength tester |
| CN201610524152.0A Active CN106197976B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover latches strength tester |
| CN201610524181.7A Active CN106053044B (en) | 2014-07-18 | 2014-07-18 | A kind of fresh-keeping box cover lock strength tester |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610526896.6A Active CN106197978B (en) | 2014-07-18 | 2014-07-18 | A kind of crisper end cap lock strength tester |
| CN201610524152.0A Active CN106197976B (en) | 2014-07-18 | 2014-07-18 | Fresh-keeping box cover latches strength tester |
| CN201610524181.7A Active CN106053044B (en) | 2014-07-18 | 2014-07-18 | A kind of fresh-keeping box cover lock strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN104089767B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687942B (en) * | 2015-08-29 | 2019-04-16 | 新昌县鑫鹏机械有限公司 | The test method of crisper end cap lock strength tester |
| CN108896423B (en) * | 2018-07-25 | 2020-11-03 | 河北养元智汇饮品股份有限公司 | Packing box strength detection device and detection method thereof |
| CN109374453B (en) * | 2018-11-30 | 2021-01-22 | 温州市龙湾海伦五金厂 | Lock torsion fatigue testing machine |
| CN111487039B (en) * | 2020-04-26 | 2022-02-22 | 上海聚阔自动化设备有限公司 | Automobile lamp detection device |
| CN115541211B (en) * | 2022-09-21 | 2023-08-29 | 哈尔滨远驰航空装备有限公司 | Tool for latch endurance test |
| CN115597972B (en) * | 2022-11-16 | 2023-02-17 | 苏州博大永旺新材股份有限公司 | Tensile strength detection equipment for packaging plastic boxes |
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| CN101556213A (en) * | 2008-04-08 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Mechanical life test device |
| CN202075119U (en) * | 2011-03-31 | 2011-12-14 | 奇瑞汽车股份有限公司 | Synchronous pressure load test device of seat belt lock and dead bolt |
| CN202974641U (en) * | 2012-12-03 | 2013-06-05 | 广州华德汽车弹簧有限公司 | Flat spring fatigue test device |
| CN202994439U (en) * | 2012-11-17 | 2013-06-12 | 无锡忻润汽车安全系统有限公司 | Endurance testing device for pull bar of car-door lock |
| CN103575603A (en) * | 2013-11-12 | 2014-02-12 | 山东曜晖太阳能有限公司 | Tester for testing strength of buckles of preservation box end cover |
| CN204027810U (en) * | 2014-07-18 | 2014-12-17 | 梁廷英 | Fresh-keeping box cover snap close strength tester |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2864650Y (en) * | 2006-01-17 | 2007-01-31 | 德信润通通讯科技(北京)有限公司 | Simulation lid-flip machine |
| KR101245172B1 (en) * | 2011-10-13 | 2013-03-19 | (주) 코스텍 | Durability test apparatus for push-push latch |
| CN203534919U (en) * | 2013-11-12 | 2014-04-09 | 山东曜晖太阳能有限公司 | Intensity tester for end cover latch of preservation box |
-
2014
- 2014-07-18 CN CN201410344858.XA patent/CN104089767B/en active Active
- 2014-07-18 CN CN201610526896.6A patent/CN106197978B/en active Active
- 2014-07-18 CN CN201610524152.0A patent/CN106197976B/en active Active
- 2014-07-18 CN CN201610524181.7A patent/CN106053044B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556213A (en) * | 2008-04-08 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Mechanical life test device |
| CN202075119U (en) * | 2011-03-31 | 2011-12-14 | 奇瑞汽车股份有限公司 | Synchronous pressure load test device of seat belt lock and dead bolt |
| CN202994439U (en) * | 2012-11-17 | 2013-06-12 | 无锡忻润汽车安全系统有限公司 | Endurance testing device for pull bar of car-door lock |
| CN202974641U (en) * | 2012-12-03 | 2013-06-05 | 广州华德汽车弹簧有限公司 | Flat spring fatigue test device |
| CN103575603A (en) * | 2013-11-12 | 2014-02-12 | 山东曜晖太阳能有限公司 | Tester for testing strength of buckles of preservation box end cover |
| CN204027810U (en) * | 2014-07-18 | 2014-12-17 | 梁廷英 | Fresh-keeping box cover snap close strength tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106197976A (en) | 2016-12-07 |
| CN106197978A (en) | 2016-12-07 |
| CN106053044B (en) | 2018-11-23 |
| CN106197976B (en) | 2018-08-14 |
| CN106197978B (en) | 2018-08-17 |
| CN104089767A (en) | 2014-10-08 |
| CN106053044A (en) | 2016-10-26 |
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Effective date of registration: 20210813 Address after: 273500, 500m southwest of Liuzhuang village, Chengqian Town, wrinkly City, Jining City, Shandong Province Patentee after: Shandong Mencius ecological agriculture Limited by Share Ltd. Address before: 272199 physics section, No. 1 middle school, Yanzhou District, Yanzhou, Jining, Shandong Patentee before: Liang Tingying |
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Effective date of registration: 20211206 Address after: 273500 Xinqi International Plaza, 3367 Chongyi Road, Zoucheng City, Jining City, Shandong Province Patentee after: Shandong Xinqi Industrial Group Trading Co.,Ltd. Address before: 273500, 500m southwest of Liuzhuang village, Chengqian Town, wrinkly City, Jining City, Shandong Province Patentee before: Shandong Mencius ecological agriculture Limited by Share Ltd. |
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Denomination of invention: Lock strength tester for fresh-keeping box cover Effective date of registration: 20211208 Granted publication date: 20160824 Pledgee: Zou Cheng Branch of industrial and Commercial Bank of China Ltd. Pledgor: Shandong Xinqi Industrial Group Trading Co.,Ltd. Registration number: Y2021980014188 |