CN107264179A - A kind of lightweight wheel hub and its manufacture method - Google Patents
A kind of lightweight wheel hub and its manufacture method Download PDFInfo
- Publication number
- CN107264179A CN107264179A CN201710505162.4A CN201710505162A CN107264179A CN 107264179 A CN107264179 A CN 107264179A CN 201710505162 A CN201710505162 A CN 201710505162A CN 107264179 A CN107264179 A CN 107264179A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- main body
- load
- bearing main
- external decoration
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/06—Disc wheels, i.e. wheels with load-supporting disc body formed by casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/202—Shaping by casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/50—Thermal treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/60—Surface treatment; After treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/60—Surface treatment; After treatment
- B60B2310/622—Shot-peening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
A kind of lightweight wheel hub and its manufacture method, are related to automotive hub and its method field of manufacturing, and wheel hub includes load-bearing main body and external decoration housing, and external decoration housing is arranged in load-bearing main body.Its manufacture method is:Design is optimized to the shape and structure of wheel hub：Do not consider wheel hub outward appearance, design intensity meet require, the load-bearing main body shape of quality most light wheel hub；Load-bearing main body is made by being related to, the face shaping needed by client makes external decoration housing, the two combination is connected.The present invention has simple in construction, easy to use a, appearance looks elegant and light weight, manufacture and replacement cost are cheap, various shapes, personalizable selection space it is big the advantages of.
Description
Technical field
The present invention relates to wheel hub and its method field of manufacturing, say it is a kind of simple in construction, easy to use, appearance looks elegant in detail
And light weight, manufacture and replacement cost are cheap, various shapes, the lightweight wheel hub of personalizable selection and its manufacture method.
Background technology
It is known that wheel hub is the important spare part on automobile, existing decoration, set off vehicle body effect play again carrying and
The effect of transmission, with continuing to develop for automobile industry, for reduction energy consumption, strengthens automobile power, Vehicle mass reduction is gradually
Formation trend.It was found that wheel hub, which often reduces 1kg weight, is equivalent to vehicle body loss of weight 15kg or so, so the lightweight of wheel hub is set
Meter is significant to vehicle lightweight.
Automobile in the market is general just to use the wheel hubs of two kinds of materials of steel and light-duty alloy, steel wheel hub manufacturing cost
It is low, but steel wheel weight is too heavy.Just come in contrast with the aluminium alloy in light-duty alloy, the steel wheel hub of same specification is than aluminium alloy
Wheel hub weight 2kg or so, and outward appearance is not attractive in appearance enough, therefore steel wheel hub is used for least significant end vehicle.Traditional aluminium alloy wheel hub is lightweight,
Good heat dissipation effect, attractive in appearance, corrosion resistance effect are good but all many due to being limited to structure, intensity and technological feasibility etc.
Pin down, it is often necessary to it is attractive in appearance between these restraining factors find balance, with sacrifice wheel aesthetic property come exchange for intensity and
Feasibility is manufactured, so as to largely constrain the aesthetic feeling that moulding should have.And the aluminium alloy wheel hub coating of prior art is easy
Damage, rehabilitation cost are high, and to set off vehicle body, the moulding of aluminium alloy wheel hub typically has particular requirement demand, are made to meet
Type requirement, product weight can not accomplish the design optimized.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, there is provided a kind of simple in construction, easy to use, outward appearance U.S.
See and light weight, manufacture and replacement cost are cheap, various shapes, the lightweight wheel hub of personalizable selection and its manufacture method.
The present invention solves the technical scheme that above-mentioned the deficiencies in the prior art are used：
A kind of lightweight wheel hub, it is characterised in that including load-bearing main body and external decoration housing, external decoration housing, which is fixedly mounted on, to be held
On on the outside of weight main body.
Heretofore described external decoration housing is removably mounted in load-bearing main body through primary and secondary buckle.
Heretofore described external decoration housing is fixedly bonded in load-bearing main body through viscose glue.It can also be connected through screw etc.
Part is connected.
Heretofore described load-bearing main body includes wheel rim, spoke and wheel rim（Its structure is identical with existing wheel hub）, its
The spoke for being characterised by described spoke is the uniform fine strip shape of sectional area, and described wheel rim (outside) place is step-like.
Heretofore described external decoration housing is the arbitrary shape that will can be sheltered from the outside of load-bearing main body.Increase individual
The alternative of property.
Heretofore described external decoration housing includes the spoke package part relative with wheel rim with the spoke of load-bearing main body
With wheel rim casing part, spoke package part and wheel rim casing part are by the outside of load-bearing main body（Completely）Block.
A kind of processing method of lightweight wheel hub, it is characterised in that comprise the following steps：
A, the shape and structure to wheel hub optimize design：Wheel hub outward appearance is not considered, is designed intensity and is met requirement, quality most
The load-bearing main body shape of light wheel hub；
B, the load-bearing main body by the low pressure casting wheel hub technique productions wheel hub outside removing lacquer spraying technique：Including melting-low pressure casting-
Heat treatment-Vehicle Processing-pre-treatment-spray bottom powder；（Spray after the powder of bottom without spray paint.）
C, by customer requirement（Or it is existing）Wheel hub shaping makes external decoration housing, and external decorative shell is surface-treated；（Outside
Decorative shell makes shelly, and material can select ABS/PC plastics, stainless steel part etc., and surface treatment can make common application,
The chromium plating process of double-colored or multicolour effect and current more prevalence.）
D, load-bearing main body and the c that b steps are made walk the external decoration housing being made and are connected through buckle or viscose glue, and lightweight is made
Wheel hub.
Main wheel hub center section, rung sections and window portion to load-bearing main body is designed in present invention a,
Such as：Spoke is made and does stepped at the uniform slice shape of sectional area, wheel rim；Using analysis software to the load-bearing after optimization
Main body does intensive analysis, until intensity meets design requirement.
In sub-buckle and/or box of the outside of heretofore described load-bearing main body provided with plug button, external decoration housing
Place relative with the sub-buckle and/or box of plug button in load-bearing main body is provided with the box and/or sub-buckle that are matched therewith, load-bearing on side
Main body is connected with external decoration housing through plug button.The sub-buckle and box of plug button can be with load-bearing main bodies and external decoration housing one
It is made, can also separately processes, install.
The structure and machining method of the present invention is separately designed and manufactured due to load-bearing main body and external decoration housing, can be full
Manufacture and design mass most light wheel hub on the premise of sufficient intensity requirement, and outward appearance shape not by load-bearing main body（Wheel hub is overall）
The limitation of intensity, can be designed that any shape and pattern for meeting personal requirement, and selection variation, the two combination is connected as one
Body, the change of wheel hub outward appearance is with low cost.The present invention have it is simple in construction, easy to use, appearance looks elegant and light weight, manufacture and
Replacement cost is cheap, the advantages of space that various shapes, personalizable are selected is big.
Brief description of the drawings
Fig. 1 is the structural representation of load-bearing main body in the present invention；
Fig. 2 is the structural representation of China and foreign countries' decorative shell of the present invention；
Fig. 3 is the schematic diagram after load-bearing main body is assembled with external decoration housing.
Embodiment
Lightweight wheel hub as Figure 1-3, including load-bearing main body and external decoration housing, load-bearing main body include wheel rim 3, wheel
Spoke, wheel rim 1, bcad seats, bottom land and valve port, its structure of load-bearing main body spoke identical with existing wheel hub structure, described
Spoke 2 the uniform fine strip shape of sectional area or to be formed through hollow out, under the premise of intensity identical, spoke width is significantly less than existing
There is the spoke width of wheel hub, the described outside of wheel rim 1 is step-like.Described external decoration housing includes the wheel with load-bearing main body
The spoke spoke package part 5 relative with wheel rim and wheel rim casing part 4 and and load-bearing main body（Wheel hub）Center section it is relative
Intermediate case portion, with the relative place of functional hole such as the mounting hole in load-bearing main body, valve port provided with corresponding on external decoration housing
Fabrication hole, spoke package part, wheel rim casing part and intermediate case portion can block in the outside of load-bearing main body completely, also may be used
With partial occlusion, arbitrary shape can be made according to the demand depending on client；Increase the alternative of personalization.External decoration housing
It is fixedly bonded to through viscose glue in load-bearing main body；Load-bearing can also be removably mounted to through the connection member such as primary and secondary buckle or screw
In main body.To prevent external decoration housing from producing skew in vehicle travel process, external decoration case inside is set and load-bearing main body
In bolt hole in the middle part of the pilot pin that the bolt hole of the connecting bolt at middle part is engaged, pilot pin insertion load-bearing main body.
The processing method of above-mentioned lightweight wheel hub, it is characterised in that comprise the following steps：
A, the shape and structure to wheel hub optimize design：Wheel hub outward appearance is not considered, is designed intensity and is met requirement, quality most
The load-bearing main body shape of light wheel hub；Main wheel hub center section, rung sections, rim section and window to load-bearing main body
Part is designed, such as：Spoke is made and does stepped at the uniform slice shape of sectional area, wheel rim；Utilize analysis software
Intensive analysis is done to the load-bearing main body after optimization, until intensity meets design requirement.
B, the load-bearing main body by the low pressure casting wheel hub technique productions wheel hub outside removing lacquer spraying technique：Including melting-low pressure
Casting-heat treatment-Vehicle Processing-pre-treatment-spray bottom powder；Spray after the powder of bottom without spray paint.
C, by customer requirement（Or it is existing）Wheel hub shaping makes external decoration housing, and external decorative shell is carried out at surface
Reason；The material of external decoration housing can select ABS/PC plastics, stainless steel part etc., and surface treatment can make common application, double
The chromium plating process of color or multicolour effect and current more prevalence.
D, load-bearing main body and the c that b steps are made walk the external decoration housing being made and are connected through buckle or viscose glue, are made light
Quantify wheel hub.
Sub-buckle and/or box of the outside of load-bearing main body provided with plug button in the present invention, on external decoration case inside with
The relative place of the sub-buckle and/or box of plug button is provided with the box and/or sub-buckle being matched therewith in load-bearing main body, load-bearing main body with
External decoration housing is connected through plug button.The sub-buckle and box of plug button can be made into integration with load-bearing main body and external decoration housing,
It can also separately process, install.
The structure and machining method of the present invention is separately designed and manufactured due to load-bearing main body and external decoration housing, can be full
Manufacture and design mass most light wheel hub on the premise of sufficient intensity requirement, and outward appearance shape not by load-bearing main body（Wheel hub is overall）
The limitation of intensity, can be designed that any shape and pattern for meeting personal requirement, and selection variation, the two combination is connected as one
Body, the change of wheel hub outward appearance is with low cost.The present invention have it is simple in construction, easy to use, appearance looks elegant and light weight, manufacture and
Replacement cost is cheap, the advantages of space that various shapes, personalizable are selected is big.
The wheel hub specification selected in the present embodiment is 17X7.5J, and existing wheel hub product weight is 11kg, using the present invention
Structure and machining method after, the hub weight that load-bearing main body and external decoration housing assemble is 9kg, and single wheel hub can mitigate
2kg weight.Thus it can see that the present invention can mitigate that 2kg or so is even more more in single hub weight, main engine plants' purchase cost is significantly
Reduction, automobile fuel consumption also can accordingly reduce, and market potential is huge.In addition, the present invention is compared to alloy in the market
Wheel has the advantage that：Becoming different outward appearance more replacing, repair and manufacturing cost it is low, the construction cycle is short, save repeat open molding jig expense,
Solve wheel hub and paint perishable problem etc..
Claims (9)
1. a kind of lightweight wheel hub, it is characterised in that including load-bearing main body and external decoration housing, external decoration housing is fixedly mounted on
On on the outside of load-bearing main body.
2. lightweight wheel hub according to claim 1, it is characterised in that described external decoration housing is removable through primary and secondary buckle
Formula is unloaded in load-bearing main body.
3. lightweight wheel hub according to claim 1, it is characterised in that described external decoration housing is through viscose glue fixed bonding
In load-bearing main body.
4. the lightweight wheel hub according to claim 1 or 2 or 3, described load-bearing main body includes wheel rim, spoke and wheel rim,
It is characterized in that the spoke of described spoke is the uniform fine strip shape of sectional area, to be step-like at described wheel rim.
5. lightweight wheel hub according to claim 4, it is characterised in that heretofore described external decoration housing is can be with
The arbitrary shape that will be sheltered from the outside of load-bearing main body.
6. lightweight wheel hub according to claim 5, it is characterised in that heretofore described external decoration housing include with
The spoke of the load-bearing main body spoke package part relative with wheel rim and wheel rim casing part, spoke package part and wheel rim housing department
Dividing will block on the outside of load-bearing main body.
7. a kind of processing method of lightweight wheel hub, it is characterised in that comprise the following steps：
A, the shape and structure to wheel hub optimize design：Wheel hub outward appearance is not considered, is designed intensity and is met requirement, quality most
The load-bearing main body shape of light wheel hub；
B, the load-bearing main body by the low pressure casting wheel hub technique productions wheel hub outside removing lacquer spraying technique：Including melting-low pressure casting-
Heat treatment-Vehicle Processing-pre-treatment-spray bottom powder；
C, the wheel hub shaping making external decoration housing by customer requirement, external decorative shell are surface-treated；
D, load-bearing main body and the c that b steps are made walk the external decoration housing being made and are connected through buckle or viscose glue, and lightweight is made
Wheel hub.
8. lightweight wheel hub according to claim 7, it is characterised in that the main wheel hub pars intermedia to load-bearing main body in a
Divide, rung sections and window portion are designed, such as：Spoke is made and made at the uniform slice shape of sectional area, wheel rim
It is step-like；Intensive analysis is done to the load-bearing main body after optimization using analysis software, until intensity meets design requirement.
9. lightweight wheel hub according to claim 7, it is characterised in that the outside of described load-bearing main body is provided with grafting
Place relative with the sub-buckle and/or box of plug button in load-bearing main body is provided with the sub-buckle and/or box of button, external decoration case inside
The box and/or sub-buckle being matched therewith, load-bearing main body are connected with external decoration housing through plug button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505162.4A CN107264179A (en) | 2017-06-28 | 2017-06-28 | A kind of lightweight wheel hub and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505162.4A CN107264179A (en) | 2017-06-28 | 2017-06-28 | A kind of lightweight wheel hub and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107264179A true CN107264179A (en) | 2017-10-20 |
Family
ID=60070321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710505162.4A Pending CN107264179A (en) | 2017-06-28 | 2017-06-28 | A kind of lightweight wheel hub and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107264179A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228390A (en) * | 2021-12-29 | 2022-03-25 | 长葛市烁宇机械有限公司 | High lightweight wheel hub of durability |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4013603A1 (en) * | 1989-05-03 | 1991-02-07 | Ulrich Dipl Ing Wahl | Motor cycle wheel made as light alloy casting - arrangement of spokes with U=shaped profiles |
| JP2006199295A (en) * | 2001-09-13 | 2006-08-03 | Topy Ind Ltd | Decorative lightweight alloy wheel |
| JP2006232219A (en) * | 2005-02-28 | 2006-09-07 | Hitachi Metals Ltd | Wheel for vehicle |
| CN1884599A (en) * | 2006-07-05 | 2006-12-27 | 戴祖军 | Magnesium alloy auto hub and its producing method |
| JP2008302854A (en) * | 2007-06-08 | 2008-12-18 | Toyoda Gosei Co Ltd | Vehicle wheel |
| CN101973182A (en) * | 2010-09-17 | 2011-02-16 | 苏竞 | Aluminum alloy hub for super lightweight truck or passenger car and manufacturing method thereof |
| CN103287197A (en) * | 2013-05-29 | 2013-09-11 | 开平市中铝实业有限公司 | Two-piece type light-weight vehicle hub |
| CN103963553A (en) * | 2013-02-04 | 2014-08-06 | 湖北省阳新昂运铝轮有限公司 | Combined aluminum alloy wheel hub |
| CN106274279A (en) * | 2016-08-30 | 2017-01-04 | 山东金马汽车装备科技有限公司 | A kind of aluminium alloy automobile hub and preparation method thereof |
| CN106891668A (en) * | 2017-03-22 | 2017-06-27 | 重庆市超群工业股份有限公司 | A kind of manufacture method of automotive hub and automotive hub |
| CN207207610U (en) * | 2017-06-28 | 2018-04-10 | 威海万丰奥威汽轮有限公司 | A kind of lightweight wheel hub |
-
2017
- 2017-06-28 CN CN201710505162.4A patent/CN107264179A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4013603A1 (en) * | 1989-05-03 | 1991-02-07 | Ulrich Dipl Ing Wahl | Motor cycle wheel made as light alloy casting - arrangement of spokes with U=shaped profiles |
| JP2006199295A (en) * | 2001-09-13 | 2006-08-03 | Topy Ind Ltd | Decorative lightweight alloy wheel |
| JP2006232219A (en) * | 2005-02-28 | 2006-09-07 | Hitachi Metals Ltd | Wheel for vehicle |
| CN1884599A (en) * | 2006-07-05 | 2006-12-27 | 戴祖军 | Magnesium alloy auto hub and its producing method |
| JP2008302854A (en) * | 2007-06-08 | 2008-12-18 | Toyoda Gosei Co Ltd | Vehicle wheel |
| CN101973182A (en) * | 2010-09-17 | 2011-02-16 | 苏竞 | Aluminum alloy hub for super lightweight truck or passenger car and manufacturing method thereof |
| CN103963553A (en) * | 2013-02-04 | 2014-08-06 | 湖北省阳新昂运铝轮有限公司 | Combined aluminum alloy wheel hub |
| CN103287197A (en) * | 2013-05-29 | 2013-09-11 | 开平市中铝实业有限公司 | Two-piece type light-weight vehicle hub |
| CN106274279A (en) * | 2016-08-30 | 2017-01-04 | 山东金马汽车装备科技有限公司 | A kind of aluminium alloy automobile hub and preparation method thereof |
| CN106891668A (en) * | 2017-03-22 | 2017-06-27 | 重庆市超群工业股份有限公司 | A kind of manufacture method of automotive hub and automotive hub |
| CN207207610U (en) * | 2017-06-28 | 2018-04-10 | 威海万丰奥威汽轮有限公司 | A kind of lightweight wheel hub |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228390A (en) * | 2021-12-29 | 2022-03-25 | 长葛市烁宇机械有限公司 | High lightweight wheel hub of durability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202213431U (en) | Wheel and wheel ornament configured for being connected to outside surface of wheel | |
| CN104385847B (en) | A kind of three combined type spinning wheel hubs and manufacture method thereof | |
| US20070290549A1 (en) | Automotive wheel with continuous barrel surface | |
| US20090278398A1 (en) | Adaptable wheel assembly | |
| EP2145708A3 (en) | Method for producing a rim | |
| CN104070918A (en) | Five-spoke large-vent hole steel wheel spoke with high ventilation quantity | |
| CN207207610U (en) | A kind of lightweight wheel hub | |
| CN104801651A (en) | Method of manufacturing gear with double teeth patterns involving forging and two stage cold extrusion process | |
| CN107264179A (en) | A kind of lightweight wheel hub and its manufacture method | |
| CN108810213A (en) | Androgynous plastic housing of a kind of PVD spraying and preparation method thereof | |
| CN202532400U (en) | Lamp arm | |
| CN205800227U (en) | A kind of mould for carbon fibre composite heat cure molding | |
| CN204249722U (en) | Three-member type Motorcycle Aluminum Alloy vacuum wheel rim | |
| CN203780210U (en) | Wheel hub with combined decorative plate | |
| CN207140674U (en) | A kind of iron and aluminium complex type electric car or motorcycle disc-brake wheel hub | |
| CN206605999U (en) | A kind of surface of aluminum alloy hub cosmetic sheet | |
| CN203093606U (en) | Aluminum alloy combined hub | |
| US10183526B1 (en) | Vehicle wheel having a decorative member attached to a base wheel and method of manufacture | |
| CN205395626U (en) | Light -weighted forged aluminum alloy wheel | |
| CN204506333U (en) | A kind of spoke insert structure for aluminum-alloy wheel | |
| CN105546176B (en) | A kind of bilayer tap shell and its processing technology | |
| CN202879150U (en) | Inserted-type aluminum alloy hub | |
| CN201287585Y (en) | Combined motorcycle hub | |
| CN209969505U (en) | Aluminum alloy wheel hub casting mould with adjustable dynamic balance | |
| CN207207604U (en) | A kind of automotive wheel |
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 |