CN110052865B - Hexagonal flange nut fixing device - Google Patents
Hexagonal flange nut fixing device Download PDFInfo
- Publication number
- CN110052865B CN110052865B CN201910484206.9A CN201910484206A CN110052865B CN 110052865 B CN110052865 B CN 110052865B CN 201910484206 A CN201910484206 A CN 201910484206A CN 110052865 B CN110052865 B CN 110052865B
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- CN
- China
- Prior art keywords
- block
- flange nut
- hexagonal flange
- clamp shell
- gap
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a hexagonal flange nut fixing device which comprises a clamp shell, a limiting block, a first cylinder, a cushion block, a stop block, an adjusting bolt, a bushing and a control device, wherein a strip-shaped groove parallel to a central axis is formed in one side plate of the clamp shell, the bushing is fixed in the strip-shaped groove, the limiting block is fixed at the top of an inner cavity of the clamp shell and forms a gap with the side plate where the strip-shaped groove is located, the cushion block is fixed on a bump at the lower end of the gap through the adjusting bolt, the stop block horizontally moves between the limiting block and the cushion block through the first cylinder, a first electromagnet is arranged on the stop block, a first opening communicated with the inner cavity is formed in the bottom end of the clamp shell, the control device is in ferroelectric connection with the first cylinder and the first electromagnet, repeated clamping of the hexagonal flange nut is not needed, the nut can be continuously fixed, and the working efficiency is effectively improved.
Description
[ field of technology ]
The invention relates to the technical field of hexagonal flange nuts, in particular to a hexagonal flange nut fixing device.
[ background Art ]
Hexagonal flange nuts, also known as washer nuts, spline nuts, flange nuts, etc., are mostly used in pipe joints or work pieces where the contact surface of the nut needs to be increased. The main precision requirement of the hexagonal flange nut is the perpendicularity requirement between the axis of the inner screw hole and the flange end face, and the perpendicularity between the flange end face of the hexagonal flange nut and the screw tap is ensured in the tapping process. The common processing method is that a lathe is adopted for tapping, in the working process, a worker clamps the hexagonal peripheral surface of the hexagonal flange nut by using a triangular chuck, and then the hexagonal peripheral surface of the hexagonal flange nut is processed by using a tool rest or a tap arranged on a center, but because the problem of improper clamping easily occurs when the hexagonal peripheral surface of the hexagonal flange nut is clamped by using the triangular chuck, the flange end surface of the hexagonal flange nut and the tap are not vertical, and the axis of an inner screw hole of the hexagonal flange nut is not vertical to the flange end surface, the perpendicularity of a product processed by the method is unstable, and each product is processed, the hexagonal flange nut is required to be clamped again on the chuck, and the processing efficiency is lower.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a hexagonal flange nut fixing device which can continuously fix nuts without repeated clamping of the hexagonal flange nuts and effectively improve the working efficiency.
In order to achieve the above purpose, the invention provides a hexagonal flange nut fixing device, which comprises a clamp shell, a limiting block, a first air cylinder, a cushion block, a stop block, an adjusting bolt, a bushing and a control device, wherein a strip-shaped groove parallel to a central axis is formed in one side plate of the clamp shell, the bushing is fixed in the strip-shaped groove, the limiting block is fixed at the top of an inner cavity of the clamp shell and forms a gap with the side plate where the strip-shaped groove is located, the cushion block is fixed on a bump at the lower end of the gap through the adjusting bolt, the stop block horizontally moves between the limiting block and the cushion block through the first air cylinder, a first electromagnet is arranged on the stop block, a first opening communicated with the inner cavity is formed in the bottom end of the clamp shell, and the control device is connected with the first air cylinder and the first electromagnet.
Preferably, first fixing feet with threaded holes are arranged on two sides of the bottom end of the clamp shell.
Preferably, second electromagnets are arranged in the side plates of the clamp shell at two sides of the bottom end of the strip-shaped groove.
Preferably, the bottom of the clamp shell, which is positioned in the gap, is provided with a lug protruding towards the side plate at the other side, threaded holes which are matched with the adjusting bolts are formed in the lug and the cushion block, and the lug and the cushion block are connected through the adjusting bolts.
Preferably, a plurality of ventilation pipelines are arranged in the limiting block, an insertion pipe communicated with the main way of the ventilation pipelines is arranged at the top end of the limiting block, the insertion pipe is connected with a gas pipe of a gas tank, and the gas tank is electrically connected with the control device.
Preferably, a chip storage groove is formed in one side, close to the strip-shaped groove, of the stop block, second openings are formed in the upper side and the lower side of the chip storage groove respectively, and the first electromagnet is arranged around the chip storage groove.
Preferably, the width of the cushion block is larger than the width of the gap, the width of the gap is larger than the thickness of the flange end of the hexagonal flange nut, and the width of the bushing is matched with the width of the hexagonal end of the hexagonal flange nut.
The invention has the beneficial effects that: according to the invention, a plurality of hexagonal flange nuts are stacked in the clamp shell through the gaps and the strip-shaped grooves, the positions of the nuts before and after machining are limited by the second electromagnet and the stop block, and the first electromagnet is used for giving horizontal acting force to the machined nuts to assist the machined nuts to leave the clamp, so that repeated clamping of the hexagonal flange nuts is not needed, the nuts can be continuously fixed, and the working efficiency is effectively improved; the scrap storage groove is arranged for temporarily storing metal scraps, and the ventilation pipeline is used for conveying gas to remove the metal scraps, so that the blockage in the clamp is avoided; the gap between the cushion block and the limiting block can be controlled through the adjusting bolt according to the size of the hexagonal flange nut, and the width of the strip-shaped groove is adjusted through the bushing, so that the applicability of the clamp is enhanced.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a top view of a hex flange nut securing apparatus of the present invention;
FIG. 2 is a front cross-sectional view of an operative condition of a hex flange nut retainer of the present invention;
fig. 3 is a front cross-sectional view of another operational state of a hexagonal flange nut fixing apparatus of the present invention.
In the figure: 2-hexagonal flange nut fixing device, 21-fixture housing, 211-first fixed foot, 212-second electro-magnet, 213-clearance, 214-bar groove, 215-first opening, 22-stopper, 221-intubate, 222-vent line, 23-first cylinder, 24-cushion, 25-dog, 251-bits storage groove, 2511-second opening, 252-first electro-magnet, 26-adjusting bolt, 27-bush and 5-hexagonal flange nut.
[ detailed description ] of the invention
Referring to fig. 1, 2 and 3, the hexagonal flange nut fixing device of the present invention comprises a fixture housing 21, a limiting block 22, a first cylinder 23, a cushion block 24, a stop block 25, an adjusting bolt 26, a bushing 27 and a control device, wherein a bar-shaped groove 214 parallel to the central axis is arranged on one side plate of the fixture housing 21, the bushing 27 is fixed in the bar-shaped groove 214, the limiting block 22 is fixed on the top of an inner cavity of the fixture housing 21 and forms a gap 213 with the side plate where the bar-shaped groove 214 is located, the cushion block 24 is fixed on a bump at the lower end of the gap 213 through the adjusting bolt 26, the stop block 25 horizontally moves between the limiting block 22 and the cushion block 24 through the first cylinder 23, a first electromagnet 252 is arranged on the stop block 25, a first opening 215 communicated with the inner cavity is arranged at the bottom end of the fixture housing 21, the control device is electrically connected with the first cylinder 23 and the first electromagnet 252, the two sides of the bottom end of the clamp shell 21 are provided with first fixing feet 211 with threaded holes, the side plates of the clamp shell 21 positioned at the two sides of the bottom end of the strip-shaped groove 214 are internally provided with second electromagnets 212, the bottom end of the clamp shell 21 positioned at the gap 213 is provided with a convex block protruding towards the side plate at the other side, the convex block and the cushion block 24 are respectively provided with threaded holes which are matched with the adjusting bolts 26, the convex block and the cushion block 24 are connected through the adjusting bolts 26, the inside of the limiting block 22 is provided with a plurality of ventilation pipelines 222, the top end of the limiting block 22 is provided with a cannula 221 communicated with the total way of the ventilation pipelines 222, the cannula 221 is connected with the air pipe of the air tank, the air tank is electrically connected with a control device, one side of the baffle 25 close to the strip-shaped groove 214 is provided with a chip storage groove 251, the upper side and the lower side of the chip storage groove 251 are respectively provided with second openings 2511, the first electromagnet 252 is arranged around the chip storage groove 251, the width of the cushion block 24 is larger than the width of the gap, the width of the gap is larger than the thickness of the flange end of the hexagonal flange nut 5, and the width of the bushing 27 is matched with the width of the hexagonal end of the hexagonal flange nut 5.
The working process of the invention comprises the following steps:
in the working process of the hexagonal flange nut fixing device, firstly, according to the size of the hexagonal flange nut 5, a proper bushing 27 is fixed in a strip-shaped groove 214, an adjusting bolt 26 is rotated, and the distance between a limiting block 22 and a cushion block 24 is adjusted to be not smaller than the diameter of a flange end. Subsequently, the flange end and the hexagonal end of the hexagonal flange nut 5 are respectively plugged into the fixture housing 21 along the gap 213 and the bar-shaped groove 214, and when the hexagonal flange nut falls, the second electromagnet 212 is electrified to attract the hexagonal flange nut 5 to avoid falling out from the first opening 215 along the inner cavity, and then a plurality of hexagonal flange nuts 5 are stacked in the bar-shaped groove 214 in sequence. Next, the first cylinder 23 pushes the stopper 25 to horizontally move and press the hexagonal flange nut 5 at the lowermost end through the telescopic rod, and the tap is inserted into the central through hole of the hexagonal flange nut 5 from the other side along the hexagonal end to perform tapping, and metal scraps generated during the tapping process are temporarily stored in the scrap storage groove 251 of the stopper 25. After tapping, the first cylinder 23 is restored to the original position through the telescopic rod control stop block 25, in the process, the gas tank conveys gas from the insertion pipe 221 into the limiting block 22, and then metal scraps are blown away from the scrap storage groove 251 along the second opening 2511. When the scraps are removed completely, the first electromagnet 252 is electrified, the second electromagnet 212 is powered off, the tapped hexagonal flange nut 5 is attracted to move towards the side plate at the other end, and then falls off from the first opening 215 along the inner cavity under the action of gravity.
According to the invention, a plurality of hexagonal flange nuts are stacked in the clamp shell through the gaps and the strip-shaped grooves, the positions of the nuts before and after machining are limited by the second electromagnet and the stop block, and the first electromagnet is used for giving horizontal acting force to the machined nuts to assist the machined nuts to leave the clamp, so that repeated clamping of the hexagonal flange nuts is not needed, the nuts can be continuously fixed, and the working efficiency is effectively improved; the scrap storage groove is arranged for temporarily storing metal scraps, and the ventilation pipeline is used for conveying gas to remove the metal scraps, so that the blockage in the clamp is avoided; the gap between the cushion block and the limiting block can be controlled through the adjusting bolt according to the size of the hexagonal flange nut, and the width of the strip-shaped groove is adjusted through the bushing, so that the applicability of the clamp is enhanced.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (5)
1. The utility model provides a hexagonal flange nut fixing device which characterized in that: the nut comprises a clamp shell (21), a limiting block (22), a first air cylinder (23), a cushion block (24), a stop block (25), an adjusting bolt (26), a bushing (27) and a control device, wherein a strip-shaped groove (214) parallel to a central axis is formed in one side plate of the clamp shell (21), the bushing (27) is fixed in the strip-shaped groove (214), the limiting block (22) is fixed at the top of an inner cavity of the clamp shell (21) and forms a gap (213) with the side plate where the strip-shaped groove (214) is located, the cushion block (24) is fixed on a lug at the lower end of the gap (213) through the adjusting bolt (26), the stop block (25) horizontally moves between the limiting block (22) and the cushion block (24) through the first air cylinder (23), a first electromagnet (252) is arranged on the stop block (25), a first opening (215) communicated with the inner cavity is formed in the bottom end of the clamp shell (21), the control device is electrically connected with the first air cylinder (23) and the first electromagnet (252), a gap (213) is formed between the side plates at two sides of the bottom end of the clamp shell (214), a second electromagnet (212) is arranged in the side plate at the bottom end of the groove (214), the gap is larger than the flange (5), the width of the bushing (27) is adapted to the width of the hexagonal end of the hexagonal flange nut (5).
2. A hexagonal flange nut fixing apparatus as claimed in claim 1, wherein: the two sides of the bottom end of the clamp shell (21) are provided with first fixing feet (211) with threaded holes.
3. A hexagonal flange nut fixing apparatus as claimed in claim 1, wherein: the clamp is characterized in that the bottom end of the clamp shell (21) located in the gap (213) is provided with a protruding block protruding towards the side plate on the other side, threaded holes matched with the adjusting bolts (26) are formed in the protruding block and the cushion block (24), and the protruding block and the cushion block (24) are connected through the adjusting bolts (26).
4. A hexagonal flange nut fixing apparatus as claimed in claim 1, wherein: a plurality of ventilation pipelines (222) are arranged in the limiting block (22), an insertion pipe (221) communicated with the total path of the ventilation pipelines (222) is arranged at the top end of the limiting block (22), the insertion pipe (221) is connected with the air pipe of the air tank, and the air tank is electrically connected with the control device.
5. A hexagonal flange nut fixing apparatus as claimed in claim 1, wherein: one side of the stop block (25) close to the strip-shaped groove (214) is provided with a chip storage groove (251), the upper side and the lower side of the chip storage groove (251) are respectively provided with a second opening (2511), and the first electromagnet (252) is arranged around the chip storage groove (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484206.9A CN110052865B (en) | 2019-06-05 | 2019-06-05 | Hexagonal flange nut fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484206.9A CN110052865B (en) | 2019-06-05 | 2019-06-05 | Hexagonal flange nut fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110052865A CN110052865A (en) | 2019-07-26 |
| CN110052865B true CN110052865B (en) | 2023-10-13 |
Family
ID=67325665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910484206.9A Active CN110052865B (en) | 2019-06-05 | 2019-06-05 | Hexagonal flange nut fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110052865B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214843A (en) * | 1990-04-23 | 1993-06-01 | Bromley Keith G | Apparatus for applying tee-nut fasteners to workpieces |
| JP2006116622A (en) * | 2004-10-19 | 2006-05-11 | Sango Co Ltd | Nut feeder |
| KR20110038664A (en) * | 2011-03-25 | 2011-04-14 | 주식회사 삼광 | Insert equipment of nut |
| CN201856010U (en) * | 2010-11-05 | 2011-06-08 | 东风汽车零部件(集团)有限公司 | Bidirectional guiding and automatic tapping device for flange nut |
| CN203380448U (en) * | 2013-07-12 | 2014-01-08 | 河南航天精工制造有限公司 | Tapping tool for flange nut made of high temperature alloy |
| CN203566009U (en) * | 2013-11-20 | 2014-04-30 | 常熟新华远紧固件有限公司 | Self-tapping device for fastening nut |
| CN104400496A (en) * | 2014-11-26 | 2015-03-11 | 河南航天精工制造有限公司 | Flange nut tapping tool |
| CN204321328U (en) * | 2014-11-21 | 2015-05-13 | 福建浔兴拉链科技股份有限公司 | Pull head automatically removing burr equipment |
| CN105798330A (en) * | 2016-05-26 | 2016-07-27 | 黄河科技学院 | Digital controlled lathe capable of conducting automatic loading and suitable for shaft parts |
| CN107900469A (en) * | 2017-12-18 | 2018-04-13 | 温州瑞榕汽车零部件制造有限公司 | A kind of efficiently flange nut chasing bar |
| CN208051005U (en) * | 2018-04-10 | 2018-11-06 | 苏州和合模塑科技有限公司 | A kind of flat thimble process units |
| CN108890354A (en) * | 2018-07-16 | 2018-11-27 | 芜湖辉林奥远自动化科技有限公司 | A kind of idle call copper tube automation charging clamping device |
| CN109048430A (en) * | 2018-10-29 | 2018-12-21 | 嘉兴祥盛汽车配件制造有限公司 | A kind of positioning tool of flange nut drilling equipment |
| CN210010706U (en) * | 2019-06-05 | 2020-02-04 | 海盐三马标准件有限公司 | Hexagonal flange nut fixing device |
-
2019
- 2019-06-05 CN CN201910484206.9A patent/CN110052865B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214843A (en) * | 1990-04-23 | 1993-06-01 | Bromley Keith G | Apparatus for applying tee-nut fasteners to workpieces |
| JP2006116622A (en) * | 2004-10-19 | 2006-05-11 | Sango Co Ltd | Nut feeder |
| CN201856010U (en) * | 2010-11-05 | 2011-06-08 | 东风汽车零部件(集团)有限公司 | Bidirectional guiding and automatic tapping device for flange nut |
| KR20110038664A (en) * | 2011-03-25 | 2011-04-14 | 주식회사 삼광 | Insert equipment of nut |
| CN203380448U (en) * | 2013-07-12 | 2014-01-08 | 河南航天精工制造有限公司 | Tapping tool for flange nut made of high temperature alloy |
| CN203566009U (en) * | 2013-11-20 | 2014-04-30 | 常熟新华远紧固件有限公司 | Self-tapping device for fastening nut |
| CN204321328U (en) * | 2014-11-21 | 2015-05-13 | 福建浔兴拉链科技股份有限公司 | Pull head automatically removing burr equipment |
| CN104400496A (en) * | 2014-11-26 | 2015-03-11 | 河南航天精工制造有限公司 | Flange nut tapping tool |
| CN105798330A (en) * | 2016-05-26 | 2016-07-27 | 黄河科技学院 | Digital controlled lathe capable of conducting automatic loading and suitable for shaft parts |
| CN107900469A (en) * | 2017-12-18 | 2018-04-13 | 温州瑞榕汽车零部件制造有限公司 | A kind of efficiently flange nut chasing bar |
| CN208051005U (en) * | 2018-04-10 | 2018-11-06 | 苏州和合模塑科技有限公司 | A kind of flat thimble process units |
| CN108890354A (en) * | 2018-07-16 | 2018-11-27 | 芜湖辉林奥远自动化科技有限公司 | A kind of idle call copper tube automation charging clamping device |
| CN109048430A (en) * | 2018-10-29 | 2018-12-21 | 嘉兴祥盛汽车配件制造有限公司 | A kind of positioning tool of flange nut drilling equipment |
| CN210010706U (en) * | 2019-06-05 | 2020-02-04 | 海盐三马标准件有限公司 | Hexagonal flange nut fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110052865A (en) | 2019-07-26 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 314300 No.313, Zhenxing Road, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Sanma fastener (Zhejiang) Co.,Ltd. Address before: 314300 Bazi village, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: HAIYAN SANMA STANDARD HARDWARE Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |