CN105065406B - Riveted structure, riveting die set, riveting process and air-conditioning - Google Patents
Riveted structure, riveting die set, riveting process and air-conditioning Download PDFInfo
- Publication number
- CN105065406B CN105065406B CN201510486719.5A CN201510486719A CN105065406B CN 105065406 B CN105065406 B CN 105065406B CN 201510486719 A CN201510486719 A CN 201510486719A CN 105065406 B CN105065406 B CN 105065406B
- Authority
- CN
- China
- Prior art keywords
- flange
- support member
- riveted structure
- bolt
- riveting
- 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
- 238000004378 air conditioning Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 4
- 230000000750 progressive effect Effects 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- -1 zinc-aluminum-magnesium Chemical compound 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/06—Solid rivets made in one piece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Insertion Pins And Rivets (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of riveted structure, riveting die set, riveting process and air-conditioning, belongs to air-conditioning manufacture field, is designed to solve the problems such as existing riveted structure processing efficiency is low.Riveted structure of the present invention includes bolt and support member, and the lateral surface of the flange of bolt and the surface of support member are closed on and in same planes.Riveting die set of the present invention includes upper die and lower die, and upper mould is internally provided with the cavity for accommodating screw rod；Forming cavity of the end formed with indent of lower mould, forming cavity are crowded around by rib, groove and bottom surface and formed；Rib outside from bottom surface tilts.Riveted structure of the present invention can guarantee that compressor rubber cushion can installation that is horizontal positioned, facilitating compressor；Without punching in advance, it need not also shift to an earlier date the beading on support member sheet material, it is high in machining efficiency, the surface nondestructive of support member sheet material is hindered；Progressive die inner bolt automation feeding and riveting process can be achieved, drastically increase production efficiency.
Description
Technical field
The present invention relates to air-conditioning manufacture field, more particularly to a kind of riveted structure, the riveting for forming above-mentioned riveted structure
Mould is connect, the riveting process of above-mentioned riveted structure is formed using above-mentioned riveting die set and includes the air-conditioning of the riveted structure.
Background technology
Compressor is the chief component of outdoor machine of air-conditioner, and compressor needs to use bolt in outdoor machine of air-conditioner chassis assembly
Fixed mode is installed.
Existing compression machine bolt clinching method needs the first beading on sheet metal component (support member) and rushes bolt hole in advance, afterwards
Bolt is put into bolt hole again, drives mold to carry out bolt flange riveting using punch press, sheet metal component (branch will be bolted to
Support member) on.Mainly include following defects：1st, processing step is more, and installation effectiveness is low；2nd, the knot after bolt flange between sheet metal component
Conjunction portion of material is less, and the separating force of riveting rear bolt and sheet metal component is smaller, does not reach mechanical property requirements；3rd, to sheet metal component table
Surface layer damage is serious.
The content of the invention
It is an object of the invention to propose a kind of riveting knot high in machining efficiency, undamaged to support member plate surface
Structure.
Another object of the present invention is to propose a kind of riveting die set for being used to form above-mentioned riveted structure.
Another object of the present invention is to propose a kind of riveting work that above-mentioned riveted structure is formed using above-mentioned riveting die set
Skill.
The present invention's a further object is the air-conditioning for proposing that a kind of production efficiency is high.
For up to this purpose, on the one hand, the present invention uses following technical scheme：
A kind of riveted structure, including bolt and support member, the table of the lateral surface of the flange of the bolt and the support member
Face near and be in same plane.
Particularly, formed with connecting hole on the support member, connecting hole edge is between the flange and flange；It is described
Connection bore edges are supported or opposed from the direction inclination or bending of the flange.
Further, the section of the flange is V-shaped, and the connection bore edges are at least partially situated at the V-arrangement of the flange
In structure.
Particularly, it is provided with lug boss on the flange.
Particularly, it is provided with depressed part on the flange.
Particularly, inclined-plane is provided with the flange, the inclined-plane is located at the medial surface of the flange.
Particularly, zn-ni alloy depositses are provided with the outside of the bolt.
On the other hand, the present invention uses following technical scheme：
A kind of riveting die set for being used to form above-mentioned riveted structure, including upper die and lower die, the upper mould are internally provided with
For accommodating the cavity of screw rod；Forming cavity of the end formed with indent of the lower mould, the forming cavity is by rib, groove and bottom
Crowd around to be formed in face；Rib outside from the bottom surface tilts.
Preferably, it is provided with Oil residue recuperation hole in the lower mould.
Another further aspect, the present invention use following technical scheme：
A kind of riveting process that above-mentioned riveted structure is formed using above-mentioned riveting die set, the riveting process include following steps
Suddenly：
Step 1, support member is placed on lower mould, makes position alignment forming cavity to be installed；
Step 2, screw body is placed in the cavity of upper mould, the lateral surface of flange is connected on the end face of the upper mould；
Step 3, to the upper mould apply pressure, make bolt tail penetrate the support member；
Step 4, the bolt tail curl into flange in the forming cavity, and the flange wraps up at least part of company
Connect bore edges.
Further aspect, the present invention use following technical scheme：
A kind of air-conditioning, include above-mentioned riveted structure in the air-conditioning.
Riveted structure bolt flange lateral surface of the present invention closes on support surface and in same plane, ensures compression
Machine rubber cushion can installation that is horizontal positioned, facilitating compressor；Without punching in advance, it need not also shift to an earlier date the beading on support member sheet material,
It is high in machining efficiency, the surface nondestructive of support member sheet material is hindered；Progressive die inner bolt automation feeding and riveting process, pole can be achieved
The earth improves production efficiency.
The upper mould of riveting die set of the present invention is internally provided with the cavity for accommodating screw rod, can directly be stamped and formed out bolt
With the connection of support member, without punching in advance, the beading on support member sheet material need not be shifted to an earlier date, operating efficiency is high.
Include above-mentioned riveted structure in air-conditioning of the present invention, realize galvanized sheet, aluminium plating zinc plate and plating zinc-aluminum-magnesium steel plate
Application in air-conditioner base plate, it is applied widely.
Brief description of the drawings
Fig. 1 is the sectional view for the riveted structure that the preferred embodiment of the present invention one provides；
Fig. 2 is the half sectional view for the lower mould that the preferred embodiment of the present invention one provides；
Fig. 3 is the view of riveting front bolt, mould and support member that the preferred embodiment of the present invention one provides；
Fig. 4 is the half sectional view for the bolt that the preferred embodiment of the present invention one provides；
Fig. 5 is the left view for the bolt that the preferred embodiment of the present invention one provides.
In figure mark for：
1st, bolt；2nd, support member；3rd, upper mould；4th, lower mould；11st, flange；12nd, flange；13rd, bolt tail；14th, screw rod；21、
Surface；22nd, bore edges are connected；31st, cavity；32nd, holding screw；41st, forming cavity；42nd, Oil residue recuperation hole；111st, lateral surface；
112nd, lug boss；113rd, depressed part；114th, inclined-plane；115th, medial surface；131st, afterbody cavity；411st, rib；412nd, groove；413、
Bottom surface.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment one：
This preferred embodiment provides a kind of riveted structure.As shown in figure 1, including bolt 1 and support member 2, the flange of bolt 1
11 lateral surface 111 closes on the surface 21 of support member 2 and in same plane.
As shown in Figures 2 and 3, upper mould 3 and lower mould 4 are included for forming the riveting die set of the riveted structure, inside upper mould 3
It is provided with the cavity 31 for accommodating screw rod 14 and the holding screw 32 for standing screw 14；The end of lower mould 4 is formed with interior
Recessed forming cavity 41, forming cavity 41 are crowded around and formed by rib 411, groove 412 and bottom surface 413；Rib 411 is outer from bottom surface 413
Roll oblique.Oil residue recuperation hole 42 is provided with lower mould 4, for reclaiming the lubricating oil between mould and the sheet material of support member 2.
The riveting process of the riveted structure is formed using the riveting die set, is comprised the steps：
Step 1, support member 2 is placed on lower mould 4, makes position alignment forming cavity 41 to be installed.
Step 2, the screw rod 14 for fixing compressor rubber cushion is placed in the cavity 31 of upper mould 3, the outside of flange 11
Face 111 is connected on the end face of mould 3.Now bolt tail 13 is directed at the position to be installed on support member 2, and preparation utilizes bolt
Afterbody 13 breaks through the sheet material of support member 2, realizes installation.
Step 3, upward mould 3 apply pressure, make bolt tail 13 penetrate support member 2.
Step 4, bolt tail 13 curl into flange 12 in forming cavity 41, and flange 12 wraps up at least part of connecting hole
Edge 22.Specifically, rib 411, groove 412 and bottom surface 413 extrude that portion that bolt tail 13 breaks through the sheet material of support member 2 jointly
Divide material curling；The sheet material of support member 2 broken through is retained in afterbody cavity 131, connects the V that flange 12 is involved at bore edges 22
In shape structure.
After the mould and corresponding technique, the lateral surface of obtained riveted structure is flat, the i.e. flange of bolt 1
11 lateral surface 111 is in same plane with the surface 21 of support member 2, without punching in advance, also without in advance in support member 2
Beading on sheet material, it is high in machining efficiency, the surface nondestructive of the sheet material of support member 2 is hindered；Progressive die inner bolt automation feeding can be achieved
And riveting process, drastically increase production efficiency.
Formed with connecting hole on support member 2, connection bore edges 22 are between flange 11 and flange 12；Connect bore edges 22
To away from the inclination of the direction of flange 11 or bending.
The section of flange 12 is V-shaped, and connection bore edges 22 are at least partially situated in the v-shaped structure of flange 12, contact surface
Product is bigger, and the riveted structure of formation is more firm, increases the non-porous puncture rivet force including maximum ejecting force and extrusion pressure
Learn performance, junction favorable anti-corrosion effect.
As shown in Figure 4 and Figure 5, lug boss 112 is provided with flange 11, can be to the sheet material of support member 2 in installation process
Extruded, compressed.Depressed part 113 is provided with flange 11, can be by the sheet material at connection bore edges 22 in installation process
Squeeze into depressed part 113, improve the moment of torsion between bolt 1 and the sheet material of support member 2, riveted structure is more firm.
Inclined-plane 114 is provided with flange 11, inclined-plane 114 is located at the medial surface 115 of flange 11.Wherein, the inclined-plane 114 can
To be that plane can also be cambered surface.Inclined-plane 114 is advantageous to bolt 1 and the sheet material of support member 2 is punctured, and makes the sheet material quilt of support member 2
The material energy arc transition at position is punctured in forming cavity 41.That is, the sheet material portions of support member 2 being in contact with inclined-plane 114 can be more
Squeeze into well in forming cavity 41, ensure that the surface 21 of the sheet material of support member 2 is concordant with the lateral surface 111 of flange 11, be advantageous to compress
Machine rubber cushion it is horizontal positioned.
The outside of bolt 1 is provided with zn-ni alloy depositses, there is provided the antiseptic property of bolt 1.Common galvanized bolt 120h
Salt spray test gives birth to red rust, and this bolt 1 gives birth to red rust in 700h or so salt spray tests, i.e. is improved in the salt spray test life red rust time
500%.
Preferred embodiment two：
This preferred embodiment provides a kind of riveted structure, its structure, processing mold and processing technology and preferred embodiment
One is essentially identical.The riveted structure includes bolt and support member, the lateral surface of the flange of bolt and the surface of support member close on and
In same plane.
Difference is：The concrete structure of flange is unlimited, and whether bolt forms the concrete shape of flange and flange not
Limit, can guarantee that the fastness of riveted structure.
Preferred embodiment three：
This preferred embodiment provides a kind of air-conditioning.Include the riveted structure of preferred embodiment one or two in the air-conditioning,
Realize galvanized sheet, aluminium plating zinc plate and plating zinc-aluminum-magnesium steel plate (the plating zinc-aluminum-magnesium mainly less than or equal to 2mm exempts from spray coating steel plates)
Application in air-conditioner base plate, air-conditioner base plate compression machine bolt can disposable riveting molding, without carrying out follow-up plastic-spraying processing, section
Can environmental protection.
Pay attention to, the technical principle that above are only presently preferred embodiments of the present invention and used.Those skilled in the art can manage
Solution, the invention is not restricted to specific embodiment described here, can carry out various obvious changes for a person skilled in the art
Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although being entered by above example to the present invention
Go and be described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept,
Other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (8)
1. a kind of riveted structure, including bolt (1) and support member (2), it is characterised in that the flange (11) of the bolt (1)
The surface (21) of lateral surface (111) and the support member (2) is closed on and in same plane；
Inclined-plane (114) is provided with the flange (11), the inclined-plane (114) is located at the medial surface of the flange (11)
(115)；
Zn-ni alloy depositses are provided with the outside of the bolt (1).
2. riveted structure according to claim 1, it is characterised in that formed with connecting hole, connection on the support member (2)
Bore edges (22) are between the flange (11) and flange (12)；The connection bore edges (22) are to away from the flange (11)
Direction tilt or bending.
3. riveted structure according to claim 2, it is characterised in that the section of the flange (12) is V-shaped, the connection
Bore edges (22) are at least partially situated in the v-shaped structure of the flange (12).
4. riveted structure according to any one of claims 1 to 3, it is characterised in that be provided with the flange (11) convex
Rise portion (112).
5. riveted structure according to any one of claims 1 to 3, it is characterised in that be provided with the flange (11) recessed
Fall into portion (113).
6. a kind of riveting die set for being used to form the riveted structure as described in claim 1 to 5 is any, including upper mould (3) and lower mould
(4), it is characterised in that the upper mould (3) is internally provided with the cavity (31) for accommodating screw rod (14)；The lower mould (4)
Forming cavity (41) of the end formed with indent, the forming cavity (41) are crowded around by rib (411), groove (412) and bottom surface (413)
Formed；The rib (411) outside from the bottom surface (413) tilts；Oil residue recuperation hole is provided with the lower mould (4)
(42)。
A kind of 7. riveting that the riveted structure as described in claim 1 to 5 is any is formed using riveting die set as claimed in claim 6
Technique, it is characterised in that the riveting process comprises the steps：
Step 1, support member (2) is placed on lower mould (4), makes position alignment forming cavity (41) to be installed；
Step 2, screw rod (14) body is placed in the cavity (31) of upper mould (3), the lateral surface (111) of flange (11) is connected to institute
On the end face for stating mould (3)；
Step 3, to the upper mould (3) apply pressure, make bolt tail (13) penetrate the support member (2)；
Step 4, the bolt tail (13) curl into flange (12), flange (12) parcel in the forming cavity (41)
At least part of connection bore edges (22).
8. a kind of air-conditioning, it is characterised in that include the riveted structure any just like claim 1 to 5 in the air-conditioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486719.5A CN105065406B (en) | 2015-08-07 | 2015-08-07 | Riveted structure, riveting die set, riveting process and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486719.5A CN105065406B (en) | 2015-08-07 | 2015-08-07 | Riveted structure, riveting die set, riveting process and air-conditioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065406A CN105065406A (en) | 2015-11-18 |
| CN105065406B true CN105065406B (en) | 2017-12-12 |
Family
ID=54494877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486719.5A Expired - Fee Related CN105065406B (en) | 2015-08-07 | 2015-08-07 | Riveted structure, riveting die set, riveting process and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065406B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015251A (en) * | 2016-07-29 | 2016-10-12 | 奇瑞新能源汽车技术有限公司 | Bonding bolt structure for total aluminum white body of electric automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4555838A (en) * | 1983-03-28 | 1985-12-03 | Multifastener Corp. | Method of installing self-attaching fasteners |
| US5868535A (en) * | 1997-08-04 | 1999-02-09 | Multifastener Corporation | Self-riveting fastening element |
| ES2184718T3 (en) * | 1999-07-09 | 2003-04-16 | Profil Verbindungstechnik Gmbh | FUNCTIONAL ELEMENT, METHOD FOR FIXING IN A METAL PLATE PART AND ASSEMBLY ELEMENT. |
| US20030101566A1 (en) * | 2001-12-05 | 2003-06-05 | Ladouceur Harold A. | Self-piercing element, method of attachment and die member |
| DE102013217640A1 (en) * | 2013-09-04 | 2015-03-05 | Profil Verbindungstechnik Gmbh & Co. Kg | Method of attaching a fastener to a workpiece, combining a disk with a die and die |
| CN205013473U (en) * | 2015-08-07 | 2016-02-03 | 珠海格力电器股份有限公司 | Riveted structure, riveting mould and air conditioner |
-
2015
- 2015-08-07 CN CN201510486719.5A patent/CN105065406B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105065406A (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102784841B (en) | Combined type precision sheet metal stamping and riveting mould | |
| CN205013473U (en) | Riveted structure, riveting mould and air conditioner | |
| CN107900234B (en) | Friction rivet-free connection method for slider type female die of lightweight plate | |
| CN102240772B (en) | Forming method of single elbow crankshaft forgings | |
| CN202411248U (en) | Rivetless riveting assembly | |
| CN101695727A (en) | Stamping technology for integral door frame of heavy truck | |
| CN101433934B (en) | Riveting method | |
| CN101691003A (en) | Machining process of bent cross beams of heavy truck frames | |
| CN101162036B (en) | Steel automobile wheel counterbalance and manufacturing technique thereof | |
| CN105065406B (en) | Riveted structure, riveting die set, riveting process and air-conditioning | |
| CN102430687A (en) | Double-end pressure riveting method, riveting pin and pressure riveting device | |
| CN101979889A (en) | Lining machining method | |
| CN205887841U (en) | Wheel hub is flaring turn -ups mould for shaping | |
| CN101875086A (en) | Riveting method | |
| CN101947621B (en) | Forged coupler yoke frame shaping die | |
| KR20210115531A (en) | Compression punch with insert replacement structure | |
| CN203448537U (en) | Die for preventing hole flanging cracking | |
| CN103423270B (en) | Self-punching rivet | |
| CN205599777U (en) | Hole flanging mould punches a hole | |
| CN201720381U (en) | Forging coupler tail frame shaping film | |
| CN102527894A (en) | Roll-forging blank making method for G2500 crankshaft | |
| CN200958548Y (en) | Steel wheel balancing block of automobile | |
| CN215467548U (en) | Aluminum alloy flanging die structure | |
| CN108556559A (en) | A kind of entirety adhesive wheel balance weight and its moulding process | |
| CN217665866U (en) | Special-shaped punch suitable for shaft sleeve flanging riveting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |