CN109513829A - A kind of motor housing shaping mould structure - Google Patents
A kind of motor housing shaping mould structure Download PDFInfo
- Publication number
- CN109513829A CN109513829A CN201811238894.2A CN201811238894A CN109513829A CN 109513829 A CN109513829 A CN 109513829A CN 201811238894 A CN201811238894 A CN 201811238894A CN 109513829 A CN109513829 A CN 109513829A
- Authority
- CN
- China
- Prior art keywords
- fixed plate
- shaping
- fixedly connected
- die holder
- die
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of motor housing shaping mould structures, including upper die holder and lower die holder, the upper die holder bottom is fixedly connected with upper padding plate, side of the fixed plate far from upper padding plate and the position of left side outer wall is provided with back-pressure bar, fixed plate bottom middle position slidably connects ejector, the ejector bottom is fixedly connected with correcting die, ejector top center position, which is fixedly connected with, makes bar, the lower bolster is fixedly connected with lower stripper far from the side of upper male mould fixed plate, the lower die holder is located at the whole lower section of back-pressure bar and is provided with mandril, the lower stripper middle position is provided with shaping terrace die, the shaping terrace die middle position is provided with transmission rod, the present invention relates to motor housing shaping mould technical fields.So that production efficiency and product quality is greatly improved, defective products is greatly reduced and scraps the cost for reducing the manufacturing, has effectively saved resource for enterprise and has created value.
Description
Technical field
The present invention relates to motor housing shaping mould technical field, specially a kind of motor housing shaping mould structure.
Background technique
Requirement of the compound machine end cap to size is very high, first has to guarantee the internal diameter of bearing chamber and the internal diameter of seam allowance
Size, while the requirement of the concentricity of the internal diameter of bearing chamber and seam allowance internal diameter is very high, needs to guarantee within 0.06, concentricity
Precision directly affects running noise and the temperature rise of motor assembly, and how to control the precision of compound machine casing is to guarantee that motor is total
At a key point of quality.
Previous motor case is very unstable due to the unreasonable concentricity for leading to product of molding structure and technique arrangement
Requirement fixed and that concentricity 0.06 on drawing is not achieved always, and due to being needed when molding the shape of oral area together
Drawing comes out, thus it is difficult on de- material, often occur after occurring card mold and de- material during de- material after forming
The case where depressed deformation.
Existing compound machine end cap not can guarantee the same of bearing chamber and bearing chamber and seam allowance internal diameter during molding
Axis degree precision size, and after molding structure cannot very effective de- material so as to cause deformation of products, cause the report of product
Useless rate is very high.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of motor housing shaping mould structure, solves existing
Compound machine end cap not can guarantee the coaxial accuracy size of bearing chamber and bearing chamber and seam allowance internal diameter during molding, and
And after molding structure cannot very effective de- material so as to cause deformation of products, cause the scrappage of product is very high to ask
Topic.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of motor housing sizing die is signed an undertaking
Structure, including upper die holder and lower die holder, the upper die holder bottom are fixedly connected with upper padding plate, the upper padding plate far from upper die holder one
Side is fixedly connected with fixed plate, side of the fixed plate far from upper padding plate and the position of left side outer wall is provided with back-pressure
Bar, fixed plate bottom middle position slidably connect ejector, and the ejector bottom is fixedly connected with correcting die, institute
It states ejector top center position and is fixedly connected with dozen bar, the bar inner surface middle position of beating is provided with upper mold compression bar, described
Fixed plate is fixedly connected with concave template far from the side of upper padding plate, is fixedly connected with lower punch fixed plate at the top of the lower die holder,
The lower punch fixed plate is fixedly connected with upper male mould fixed plate far from the side of lower die holder, and the upper male mould fixed plate is far under
The side of punch retainer fixed plate is fixedly connected with lower bolster, and side of the lower bolster far from upper male mould fixed plate is fixed to be connected
It is connected to lower stripper, the lower die holder is located at the whole lower section of back-pressure bar and is provided with mandril, and the lower stripper middle position is provided with
Shaping terrace die, the shaping terrace die outer surface are provided with discharging shaping piece, and the shaping terrace die middle position is provided with transmission rod,
The shaping terrace die bottom is located at power transmission rod outer surface and is fixedly connected with punch-pin, the punch-pin be located on the left of transmission rod be provided with it is convex
Die holder.
Preferably, the back-pressure bar extends through concave template, lower stripper, lower bolster and upper male mould fixed plate and extends to
Upper male mould fixed plate middle position, the back-pressure bar and concave template, lower stripper, lower bolster and the sliding of upper male mould fixed plate connect
It connects.
Preferably, the correcting die outer surface is slidably connected with fixed plate, and the correcting die is being located at shaping terrace die just
Top.
Preferably, the bar of beating extends through fixed plate, upper padding plate and upper die holder and extends at the top of upper die holder, described to beat
Rod outer surface is slidably connected with fixed plate, upper padding plate and upper die holder.
Preferably, the mandril extends through lower die holder, lower punch fixed plate and upper male mould fixed plate and extends to convex
Mould fixed plate middle position, the mandril outer surface are slidably connected with lower die holder, lower punch fixed plate and upper male mould fixed plate.
Preferably, the back-pressure bar is located at right above mandril, and the mandril mutually agrees with back-pressure bar.
Preferably, the shaping terrace die outer surface is slidably connected with discharging shaping piece, discharging shaping piece outer surface with
Lower stripper is slidably connected.
Preferably, the punch-pin outer surface is fixedly connected with upper male mould fixed plate.
Preferably, the convex mould base through punch-pin and extends to discharging shaping piece inner cavity, and it is whole that the convex mould base is located at discharging
One end of shape part inner cavity is fixedly connected with shaping terrace die.
Preferably, the transmission rod through shaping terrace die, lower bolster and punch-pin and extends to male bottom, the transmission rod
Top is located at correcting die inner cavity.
(3) beneficial effect
The present invention provides a kind of motor housing shaping mould structure, have it is following the utility model has the advantages that
The present invention is fixedly connected with upper padding plate by upper die holder bottom, and upper padding plate is fixedly connected far from the side of upper die holder
There is a fixed plate, side of the fixed plate far from upper padding plate and the position of left side outer wall is provided with back-pressure bar, in fixed plate bottom
Between position slidably connect ejector, ejector bottom is fixedly connected with correcting die, and ejector top center position is fixed to be connected
It is connected to and makes bar, beat bar inner surface middle position and be provided with upper mold compression bar, fixed plate is fixedly connected with recessed far from the side of upper padding plate
Template, lower die holder top are fixedly connected with lower punch fixed plate, and lower punch fixed plate is fixedly connected with far from the side of lower die holder
Upper male mould fixed plate, upper male mould fixed plate are fixedly connected with lower bolster, lower bolster far from the side of lower punch fixed plate fixed plate
Side far from upper male mould fixed plate is fixedly connected with lower stripper, and lower die holder is located at the whole lower section of back-pressure bar and is provided with mandril, under
Stripper plate middle position is provided with shaping terrace die, and shaping terrace die outer surface is provided with discharging shaping piece, shaping terrace die middle position
It is provided with transmission rod, shaping terrace die bottom is located at power transmission rod outer surface and is fixedly connected with punch-pin, and punch-pin, which is located on the left of transmission rod, to be set
It is equipped with convex mould base, so that production efficiency and product quality are greatly improved, defective products is greatly reduced and scraps reduction life
The cost of manufacture is produced, effectively resource has been saved for enterprise and has created value.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
In figure: 1- upper die holder, 2- upper padding plate, 3- fixed plate, 4- back-pressure bar, 5- concave template, 6- lower stripper, 7- underlay
Plate, 8- upper male mould fixed plate, 9- mandril, 10- lower punch fixed plate, 11- lower die holder, 12- transmission rod, 13- convex mould base, 14- are convex
Mould, 15- discharging shaping piece, 16- shaping terrace die, 17- correcting die, 18- ejector, 19- make bar, 20- upper mold compression bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of motor housing shaping mould structure, including upper die holder 1
With lower die holder 11,1 bottom of upper die holder is fixedly connected with upper padding plate 2, and upper padding plate 2 is fixedly connected with far from the side of upper die holder 1
Fixed board 3, side of the fixed plate 3 far from upper padding plate 2 and is provided with back-pressure bar 4 close to the position of left side outer wall, in 3 bottom of fixed plate
Between position slidably connect ejector 18,18 bottom of ejector is fixedly connected with correcting die 17,18 top center of ejector position
It sets to be fixedly connected with and makes bar 19, beat 19 inner surface middle position of bar and be provided with upper mold compression bar 20, fixed plate 3 is far from upper padding plate 2
Side is fixedly connected with concave template 5, and lower punch fixed plate 10 is fixedly connected at the top of lower die holder 11, and lower punch fixed plate 10 is separate
The side of lower die holder 11 is fixedly connected with upper male mould fixed plate 8, and upper male mould fixed plate 8 is far from 10 fixed plate of lower punch fixed plate
Side is fixedly connected with lower bolster 7, and lower bolster 7 is fixedly connected with lower stripper 6, lower die far from the side of upper male mould fixed plate 8
Seat 11 is located at the whole lower section of back-pressure bar 4 and is provided with mandril 9, and 6 middle position of lower stripper is provided with shaping terrace die 16, shaping terrace die 16
Outer surface is provided with discharging shaping piece 15, and 16 middle position of shaping terrace die is provided with transmission rod 12, and 16 bottom of shaping terrace die is located at
12 outer surface of transmission rod is fixedly connected with punch-pin 14, and punch-pin 14, which is located on the left of transmission rod 12, is provided with convex mould base 13.
Back-pressure bar 4 extends through concave template 5, lower stripper 6, lower bolster 7 and upper male mould fixed plate 8 and extends to upper male mould
8 middle position of fixed plate, back-pressure bar 4 are slidably connected with concave template 5, lower stripper 6, lower bolster 7 and upper male mould fixed plate 8.
17 outer surface of correcting die is slidably connected with fixed plate 3, and correcting die 17 is located at right above shaping terrace die 16.
It makes bar 19 to extend through fixed plate 3, upper padding plate 2 and upper die holder 1 and extend to 1 top of upper die holder, beats 19 appearance of bar
Face is slidably connected with fixed plate 3, upper padding plate 2 and upper die holder 1.
Mandril 9 extends through lower die holder 11, lower punch fixed plate 10 and upper male mould fixed plate 8 and extends to upper male mould and fixes
8 middle position of plate, 9 outer surface of mandril are slidably connected with lower die holder 11, lower punch fixed plate 10 and upper male mould fixed plate 8.
Back-pressure bar 4 is located at right above mandril 9, and mandril 9 mutually agrees with back-pressure bar 4.
16 outer surface of shaping terrace die is slidably connected with discharging shaping piece 15,15 outer surface of discharging shaping piece and lower stripper 6
It is slidably connected.
14 outer surface of punch-pin is fixedly connected with upper male mould fixed plate 8.
Convex mould base 13 is through punch-pin 14 and extends to 15 inner cavity of discharging shaping piece, and convex mould base 13 is located in discharging shaping piece 15
One end of chamber is fixedly connected with shaping terrace die 16.
Transmission rod 12 is through shaping terrace die 16, lower bolster 7 and punch-pin 14 and extends to 14 bottom of punch-pin, 12 top of transmission rod
Positioned at 17 inner cavity of correcting die.
So that production efficiency and product quality are greatly improved, defective products is greatly reduced and scraps reduction production system
The cost made effectively has saved resource and has created value for enterprise.
In use, the top shoe downlink of stamping equipment, drives upper die holder 1, upper padding plate 2, fixed plate 3, back-pressure bar 4, cavity plate
5 downlink of plate, back-pressure bar 4 contact mandril 9 and depress mandril 9, and mandril 9 retreats lower stripper 6 and discharging shaping piece 15 with once
Decline.Product is effectively positioned on shaping terrace die 16, and shaping terrace die 16 under the effect of 12 volume of transmission rod is floated higher than punch-pin
14, such product can effectively enter shaping terrace die 16 and be positioned.Stamping equipment continues traveling downwardly, and ejector 18 is making bar 19
Product is pressed into shaping terrace die 16 under the pressure-plate-force effect of application and is continued traveling downwardly, punch-pin 14 carries out the bearing chamber of product whole
Shape.The step above rear forming orchid and shaping under the action of shaping terrace die 16 in place of lower stripper 6 and discharging shaping piece 15
Seam allowance internal diameter, it is ensured that the precision of seam allowance internal diameter and the concentricity size relative to bearing chamber.
After the completion of shaping, press machine uplink drives upper mold to retract, and product is whole in shaping terrace die 16 and lower stripper 6, discharging
Rise under the action of shape part 15.The material returned power of lower die, which is lower air cushion, acts on lower stripper 6 and discharging shaping piece 15 by mandril 9
Above, by product, separation is realized in discharging to transmission rod 12 from shaping terrace die 16 under the action of the spring.Product in lower stripper 6 and
Continue de- material under the action of discharging shaping piece 15 and be detached from shaping terrace die 16, stamping equipment continues uplink, and the effective de- material of product goes out
Come and float on above lower stripper 6, upper mold compression bar 20, which pushes down product, ensures that product will not takeoff in the moment of de- material, stamping equipment
Uplink is carried out, an impulse stroke effectively terminates.Product will be transferred to next station by robotic to be continued
Punch forming.
For the precision for guaranteeing bearing chamber internal diameter, punch-pin 14 when trimmer shell bearing chamber using inner support technique,
The circularity and id tolerance of bearing chamber are ensured, while shaping terrace die 16 is also designed to several sections of different sizes, to ensure
Coaxial accuracy requirement of the id tolerance and seam allowance internal diameter of seam allowance relative to bearing chamber.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By the sentence " element limited including one, it is not excluded that including
There is also other identical elements in the process, method, article or equipment of element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of motor housing shaping mould structure, including upper die holder (1) and lower die holder (11), it is characterised in that: the upper mold
Seat (1) bottom is fixedly connected with upper padding plate (2), and the upper padding plate (2) is fixedly connected with fixed plate far from the side of upper die holder (1)
(3), it side of the fixed plate (3) far from upper padding plate (2) and is provided with back-pressure bar (4) close to the position of left side outer wall, it is described
Fixed plate (3) bottom middle position slidably connects ejector (18), and it is recessed that ejector (18) bottom is fixedly connected with shaping
Mould (17), ejector (18) the top center position, which is fixedly connected with, beats bar (19), described to beat bar (19) inner surface interposition
It installs and is equipped with upper mold compression bar (20), the fixed plate (3) is fixedly connected with concave template (5) far from the side of upper padding plate (2), described
It is fixedly connected with lower punch fixed plate (10) at the top of lower die holder (11), the lower punch fixed plate (10) is far from lower die holder (11)
Side is fixedly connected with upper male mould fixed plate (8), and the upper male mould fixed plate (8) is far from lower punch fixed plate (10) fixed plate
Side is fixedly connected with lower bolster (7), and the lower bolster (7) is fixedly connected with lower de- far from the side of upper male mould fixed plate (8)
Flitch (6), the lower die holder (11) are located at back-pressure bar (4) whole lower section and are provided with mandril (9), lower stripper (6) interposition
It installs and is equipped with shaping terrace die (16), shaping terrace die (16) outer surface is provided with discharging shaping piece (15), the shaping terrace die
(16) middle position is provided with transmission rod (12), and shaping terrace die (16) bottom is located at transmission rod (12) outer surface and is fixedly connected
Have punch-pin (14), the punch-pin (14), which is located on the left of transmission rod (12), is provided with convex mould base (13).
2. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: the back-pressure bar (4) point
Concave template (5), lower stripper (6), lower bolster (7) and upper male mould fixed plate (8) and upper male mould fixed plate (8) Guan Chuan not be extended to
Middle position, the back-pressure bar (4) and concave template (5), lower stripper (6), lower bolster (7) and upper male mould fixed plate (8) are slided
Connection.
3. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: the correcting die (17)
Outer surface is slidably connected with fixed plate (3), and the correcting die (17) is located at right above shaping terrace die (16).
4. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: described to beat bar (19) respectively
Through fixed plate (3), upper padding plate (2) and upper die holder (1) and extend at the top of upper die holder (1), it is described beat bar (19) outer surface with
Fixed plate (3), upper padding plate (2) and upper die holder (1) are slidably connected.
5. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: the mandril (9) is respectively
Through lower die holder (11), lower punch fixed plate (10) and upper male mould fixed plate (8) and extend to upper male mould fixed plate (8) interposition
It sets, mandril (9) outer surface is slidably connected with lower die holder (11), lower punch fixed plate (10) and upper male mould fixed plate (8).
6. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: back-pressure bar (4) position
Right above mandril (9), the mandril (9) is mutually agreed with back-pressure bar (4).
7. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: the shaping terrace die (16)
Outer surface is slidably connected with discharging shaping piece (15), and discharging shaping piece (15) outer surface is slidably connected with lower stripper (6).
8. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: punch-pin (14) appearance
Face is fixedly connected with upper male mould fixed plate (8).
9. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: the convex mould base (13) is passed through
It wears punch-pin (14) and extends to discharging shaping piece (15) inner cavity, the convex mould base (13) is located at the one of discharging shaping piece (15) inner cavity
End is fixedly connected with shaping terrace die (16).
10. a kind of motor housing shaping mould structure according to claim 1, it is characterised in that: the transmission rod (12)
Through shaping terrace die (16), lower bolster (7) and punch-pin (14) and punch-pin (14) bottom is extended to, transmission rod (12) the top position
In correcting die (17) inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238894.2A CN109513829A (en) | 2018-10-23 | 2018-10-23 | A kind of motor housing shaping mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238894.2A CN109513829A (en) | 2018-10-23 | 2018-10-23 | A kind of motor housing shaping mould structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109513829A true CN109513829A (en) | 2019-03-26 |
Family
ID=65772358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811238894.2A Withdrawn CN109513829A (en) | 2018-10-23 | 2018-10-23 | A kind of motor housing shaping mould structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109513829A (en) |
-
2018
- 2018-10-23 CN CN201811238894.2A patent/CN109513829A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102728720A (en) | Punching composite die | |
| CN105964808A (en) | Die for automobile rear seat supporting plate assembly part | |
| CN203316564U (en) | Flexible blanking die | |
| CN102728719A (en) | Composite cold punching die | |
| CN102728718B (en) | Cold punching compound mould | |
| CN205926806U (en) | Mould of car rear seat backup pad assembly part | |
| CN204524019U (en) | Shaft-cup shaping dies | |
| CN202779391U (en) | Blanking forming device | |
| CN107052147A (en) | Tooth sychronisation is taken out in engine oil box punching | |
| CN107649586B (en) | It is a kind of for circular cone involucrum shaping dies and its manufacturing process of circular cone involucrum | |
| CN206366606U (en) | Buckle forming mould in a kind of stainless steel battery cover | |
| CN209109987U (en) | A kind of motor housing shaping mould structure | |
| CN109513829A (en) | A kind of motor housing shaping mould structure | |
| CN107335768B (en) | The small gear ring radial direction wedge pressure mould of combination gear | |
| CN214161117U (en) | Mould of blade circle on area material | |
| CN213436957U (en) | Processing device for manufacturing radial marks of fasteners | |
| CN104492966A (en) | Punching composite die | |
| CN214161123U (en) | Mould for drawing deep convex hull on arc convex hull | |
| CN110076269B (en) | Die device for processing shoe last positioning pin and processing method thereof | |
| CN209664101U (en) | A kind of split type fastener trimming composable mold | |
| CN109967620B (en) | Trimming combined die for fastener and production process thereof | |
| CN207013538U (en) | Tooth sychronisation is taken out in engine oil box punching | |
| CN211707896U (en) | Stamping die | |
| CN207709775U (en) | A kind of processing mold of rivet | |
| CN206882595U (en) | Beam-like part diel with anti-rebound drawing bank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190326 |