CN201436426U - Rockwell sealing ring - Google Patents
Rockwell sealing ring Download PDFInfo
- Publication number
- CN201436426U CN201436426U CN200920059488XU CN200920059488U CN201436426U CN 201436426 U CN201436426 U CN 201436426U CN 200920059488X U CN200920059488X U CN 200920059488XU CN 200920059488 U CN200920059488 U CN 200920059488U CN 201436426 U CN201436426 U CN 201436426U
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- Prior art keywords
- ring
- face
- rockwell
- primary seal
- seal circle
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 239000000463 material Substances 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a Rockwell sealing ring, which comprises a main sealing ring and a side sealing ring which are parallel with each other, the connection between the main sealing ring and the side sealing ring is in an embedding mode, the outer circumferential surface of the main sealing ring is provided with a groove, the groove is internally inlayed with an elastic ring, and the inner circumferential surface of the main sealing ring is provided with a sealing main tip. The Rockwell sealing ring has the advantages of simple structure, easy processing, improving the processing efficiency, and reducing the processing cost.
Description
Technical field
The utility model relates in the industrial production, and the sealing technique of running shaft class as used sealed products such as bearing support or speed reducers, is specifically related to a kind of Rockwell sealing ring.
Background technique
The present running shaft backbone sealing ring that generally uses, its shortcoming are to install and replacing needs equipment downtime, and with the installation position complete removal of backbone sealing ring periphery, working strength is big, and efficient is low, and especially removing and installing very of main equipment bothers.Some equipment, the mounting point of backbone sealing ring is little, or has other component to block, the dismounting difficulty.
In addition, some seal ring has adopted the way of seal ring being carried out otch in order to solve the dismounting problem of difficult, but the otch of single subdivision has but brought the problem of leaking, and also has that the subdivision mouth easily misplaces, the problem of integral rigidity difference, therefore, the subdivision technology of seal ring becomes the difficult problem of sealing industry.
The patent No. discloses a kind of dicyclo divided bearing protector with the mechanism of holding tightly for the model utility of " 200620132713.4 "; though the problem that has solved the dismounting difficulty and leaked, as shown in Figure 4, its complex structure; caused the processing complexity, the cost of production height.In addition, as shown in Figure 5, its outer rings cut complexity, adopted the insertion type joint, circumferentially outstanding and insertion part that bloat to both sides and the groove shaped holding part that is complementary with the insertion part that is positioned at the outer shroud the other end constitute this insertion type joint by the edge that is positioned at outer shroud one end, in fact, the kerf of this complexity, be unnecessary, can have caused processed complex like this, processing efficient is low.
The model utility content
The utility model is in order to overcome the deficiency that above prior art exists, the Rockwell sealing ring that provide a kind of simple in structure, easy accessibility, does not leak.
The purpose of this utility model realizes by following technological scheme: this Rockwell sealing ring is characterized in that: comprising the primary seal circle and the secondary seal ring that are parallel to each other, is embedded connection between described primary seal circle and the secondary seal ring; The outer circumferential face of primary seal circle has groove, is inlaid with elastic ring in the groove, and the inner peripheral surface of primary seal circle is provided with the main lip of sealing.
According to the actual conditions needs, the outer circumferential face of described secondary seal ring is provided with 2 road projectioies.
For the sealing effect of enhanced leaktightness master lip, a side end face of described primary seal circle is provided with annular groove, is provided with the spring ring of the sealing effect of enhanced leaktightness master lip in the annular groove.
According to the actual conditions needs, the sectional shape of the annular groove of a side end face of described primary seal circle is a V-arrangement, and the sectional shape of spring ring is a V-arrangement.
In order to solve single subdivision otch leakage problem, described primary seal circle, secondary seal ring and elastic ring have otch, three's otch 20 °～40 ° angles that stagger mutually.
In order to strengthen the hold power of elastic ring to the primary seal circle, described elastic ring is an elasticity O type circle, and with the groove interference fit of the outer circumferential face of primary seal circle, in order to strengthen hold power, Rockwell sealing ring and the axle formation interference fit that be positioned at Rockwell sealing ring of Rockwell sealing ring to the axle that is positioned at it.
Under the many environment of impurity such as dust, the inner peripheral surface of described secondary seal ring is provided with the sealing pair lip.
According to the actual conditions needs, the opposite side end face of described primary seal circle is provided with annular protrusion, and a side end face of secondary seal ring is provided with annular groove, and annular protrusion embeds in the annular groove; Perhaps, the opposite side end face of primary seal circle is provided with annular groove, and a side end face of secondary seal ring is provided with annular protrusion, and annular protrusion embeds in the annular groove; Perhaps, the opposite side end face of primary seal circle is provided with the above annular protrusion in 2 roads or 2 roads or/and annular groove, and a side end face of secondary seal ring is provided with the above annular groove in 2 roads or 2 roads or/and annular protrusion, and the primary seal circle embeds mutually with secondary seal ring and is connected.
According to the actual conditions needs, the sectional shape of the annular protrusion of the opposite side end face of described primary seal circle is trapezoidal, and the annular groove of a side end face of secondary seal ring is a dovetail groove; The groove of the outer circumferential face of primary seal circle is a dovetail groove; The sectional shape of the projection of the outer circumferential face of secondary seal ring is semicircle.
According to the actual conditions needs, described primary seal circle is made by polytetrafluoroethylmaterial material, and secondary seal ring is made by polyurethane material, and elastic ring is made by polyurethane material or rubber material.
In order to strengthen the join strength of primary seal circle and secondary seal ring, it is bonding to apply glue at the chimeric surface of primary seal circle and secondary seal ring as required.
Be equal to substitute mode as some: but the annular protrusion quantity of the opposite side end face of primary seal circle can be together also multiple tracks, and its sectional shape can be trapezoidal, also can be circular arc or rectangle.
Accordingly, but the annular groove quantity of a side end face of secondary seal ring can be together also multiple tracks, and it can be dovetail groove, also can be arc groove or rectangle groove.
But the groove quantity of the outer circumferential face of primary seal circle can be together also multiple tracks, and it can be dovetail groove, also can be arc groove or rectangle groove.
Accordingly, the number of elastic ring can be one also can be a plurality of, and its sectional shape can be circle and also can be rectangle or trapezoidal.
The projection of the outer circumferential face of secondary seal ring can be 1 road, 2 roads or more than 2 roads, its sectional shape can be semicircle and also can be rectangle or trapezoidal.
The preparation method of this Rockwell sealing ring is characterized in that: may further comprise the steps:
(1) makes the primary seal circle by polytetrafluoroethylmaterial material, outer circumferential face at the primary seal circle is offered groove, in groove, inlay elastic ring, the groove interference fit of the outer circumferential face of elastic ring and primary seal circle, elastic ring is made by polyurethane material or rubber material, establishes the main lip of sealing at the inner peripheral surface of primary seal circle, offers the annular groove that sectional shape is a V-arrangement in a side end face of primary seal circle, add the spring ring of the sealing effect of enhanced leaktightness master lip in annular groove, the sectional shape of spring ring is a V-arrangement; Opposite side end face at the primary seal circle processes annular protrusion;
(2) make secondary seal ring by polyurethane material, establish 2 road projectioies, offer the sealing pair lip at the inner peripheral surface of secondary seal ring at the outer circumferential face of secondary seal ring; Side end face at secondary seal ring processes annular groove;
(3) offer otch at primary seal circle, secondary seal ring and elastic ring;
(4) the parallel placement with secondary seal ring of primary seal circle the annular protrusion of the opposite side end face of primary seal circle, is embedded into the annular groove of a side end face of secondary seal ring; Stagger mutually 20 °～40 ° angles of primary seal circle, secondary seal ring and elastic ring three's otch are placed; Rockwell sealing ring forms interference fit with the axle that is positioned at Rockwell sealing ring.
The utility model has following advantage with respect to prior art:
One, this Rockwell sealing ring is simple in structure, and easy processing can improve work efficiency, cuts down finished cost.
Two, this Rockwell sealing ring easy accessibility, good seal performance, each assembly can be replaced separately after wearing and tearing or damaging, and need not a whole set of the replacement.
Three, common requirement dismounting such as replaceable backbone sealing ring of this Rockwell sealing ring global design or folder cloth seal ring operating mode is used.
Four, primary seal circle, secondary seal ring and elastic ring have otch, and three's otch 20 °～40 ° angles that stagger mutually solve single subdivision otch leakage problem, and many otch stagger to place and solved also that single subdivision mouth easily misplaces, the problem of integral rigidity difference.Incision design can directly be installed to this seal ring axle and go up or pull down from axle, need not to dismantle other component, and easy installation and removal is quick, and open design can't influence its sealability.
Five, for the sealing effect of enhanced leaktightness master lip, one side end face of described primary seal circle is provided with annular groove, be provided with the spring ring (can be circular banding spring, also can be V flat spring etc.) of the sealing effect of enhanced leaktightness master lip in the annular groove, but the wearing and tearing of spring ring compensation sealing master lip.
Six, the main lip of sealing is designed to conical surface chamfer design, the design of sealing pair lip can be selected according to working condition requirement, also adopt conical surface chamfer design, in use, ring set is in rotating shaft, seal main lip, interference of sealing pair lip and axle applying, form two loop wires that contact with the rotating shaft of equipment, seal ring and rotating shaft are slidingly matched.
Description of drawings
Fig. 1 is the structural representation of Rockwell sealing ring of the present utility model.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is a kind of sectional view with dicyclo divided bearing protector of the mechanism of holding tightly.
Fig. 5 is the structural representation of the outer rings cut of Fig. 4.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
As Fig. 1, Fig. 2 and Rockwell sealing ring shown in Figure 3, comprise the primary seal circle 1 and the secondary seal ring 2 that are parallel to each other, the opposite side end face of primary seal circle 1 is provided with annular protrusion 3, and a side end face of secondary seal ring 2 is provided with annular groove 4, and annular protrusion 3 embeds in the annular groove 4; The outer circumferential face of primary seal circle 1 has groove 5, is inlaid with elastic ring 6 in the groove 5, and the inner peripheral surface of primary seal circle 1 is provided with the main lip 7 of sealing.
According to the actual conditions needs, the outer circumferential face of secondary seal ring 2 is provided with 2 road projectioies 8.
For the sealing effect of enhanced leaktightness master lip 7, a side end face of primary seal circle 1 is provided with annular groove 9, is provided with the spring ring 10 of the sealing effect of enhanced leaktightness master lip 7 in the annular groove 9.
According to the actual conditions needs, the sectional shape of the annular groove 9 of a side end face of primary seal circle 1 is a V-arrangement, and the sectional shape of spring ring 10 is a V-arrangement.
In order to solve single subdivision otch leakage problem, primary seal circle 1, secondary seal ring 2 and elastic ring 6 have otch 11,12,13, three 's otch 11,12, the 13 30 ° of angles that stagger mutually.
In order to strengthen the power of holding tightly of 6 pairs of primary seal circles 1 of elastic ring, elastic ring 6 is an elasticity O type circle, and with groove 5 interference fit of the outer circumferential face of primary seal circle 1.
Under the many environment of impurity such as dust, the inner peripheral surface of secondary seal ring 2 is provided with sealing pair lip 14.
In order to strengthen hold power, Rockwell sealing ring and the axle formation interference fit that be positioned at Rockwell sealing ring of Rockwell sealing ring to the axle that is positioned at it.
According to the actual conditions needs, the sectional shape of the annular protrusion 3 of the opposite side end face of primary seal circle 1 is trapezoidal, and the annular groove 4 of a side end face of secondary seal ring 2 is a dovetail groove; The groove 5 of the outer circumferential face of primary seal circle 1 is a dovetail groove; The sectional shape of the projection 8 of the outer circumferential face of secondary seal ring 2 is semicircle.
According to the actual conditions needs, primary seal circle 1 is made by polytetrafluoroethylmaterial material, and secondary seal ring 2 is made by polyurethane material, and elastic ring 6 is made by polyurethane material or rubber material.
As shown in Figure 2, the thickness of whole seal ring is 15mm, and the diameter of elastic ring 6 is 3.55mm, and the external diameter of elastic ring 6 and 2 road projectioies 8 equates, is 181 ± 0.2mm, and the internal diameter that seals main lip 7 and sealing pair lip 14 equates, is 149 ± 0.2mm.
Be equal to substitute mode as some: but annular protrusion 3 quantity of the opposite side end face of primary seal circle 1 can be together also multiple tracks, and its sectional shape can be trapezoidal, also can be circular arc or rectangle.
Accordingly, but annular groove 4 quantity of a side end face of secondary seal ring 2 can be together also multiple tracks, and it can be dovetail groove, also can be arc groove or rectangle groove.
But groove 5 quantity of the outer circumferential face of primary seal circle 1 can be together also multiple tracks, and it can be dovetail groove, also can be arc groove or rectangle groove.
Accordingly, the number of elastic ring 6 can be one also can be a plurality of, and its sectional shape can be circle and also can be rectangle or trapezoidal.
The projection 8 of the outer circumferential face of secondary seal ring 2 can be 1 road, 2 roads or more than 2 roads, its sectional shape can be semicircle and also can be rectangle or trapezoidal.
The preparation method of this Rockwell sealing ring may further comprise the steps:
(1) makes primary seal circle 1 by polytetrafluoroethylmaterial material, offer groove 5 at the outer circumferential face of primary seal circle 1, in groove 5, inlay elastic ring 6, the groove interference fit of the outer circumferential face of elastic ring 6 and primary seal circle 1, elastic ring 6 is made by polyurethane material or rubber material, establish the main lip 7 of sealing at the inner peripheral surface of primary seal circle 1, offer the annular groove 9 that sectional shape is a V-arrangement in a side end face of primary seal circle 1, add the spring ring 10 of the sealing effect of enhanced leaktightness master lip 7 in annular groove 9, the sectional shape of spring ring 10 is a V-arrangement; Opposite side end face at primary seal circle 1 processes annular protrusion 3;
(2) make secondary seal ring 2 by polyurethane material, establish 2 road projectioies 8, offer sealing pair lip 14 at the inner peripheral surface of secondary seal ring 2 at the outer circumferential face of secondary seal ring 2; Side end face at secondary seal ring 2 processes annular groove 4;
(3) offer otch 11,12,13 at primary seal circle 1, secondary seal ring 2 and elastic ring 6;
(4) primary seal circle 1 and secondary seal ring 2 parallel placements the annular protrusion 3 of the opposite side end face of primary seal circle 1, are embedded into the annular groove 4 of a side end face of secondary seal ring 2; Stagger mutually 20 °～40 ° angles of primary seal circle 1, secondary seal ring 2 and elastic ring 6 threes' otch 11,12,13 are placed; Rockwell sealing ring forms interference fit with the axle that is positioned at Rockwell sealing ring.
Embodiment 2:
Present embodiment is except that following feature, and is identical with embodiment 1:
The opposite side end face of primary seal circle is provided with annular protrusion and annular groove, and a side end face of secondary seal ring is provided with annular groove and annular protrusion, and the primary seal circle embeds mutually with secondary seal ring and is connected.
Above-mentioned embodiment is a preferred embodiment of the present utility model; can not limit claim of the present utility model; other any change that does not deviate from the technical solution of the utility model and made or other equivalent substitute mode are included within the protection domain of the present utility model.
Claims (10)
1. Rockwell sealing ring, it is characterized in that: comprising the primary seal circle and the secondary seal ring that are parallel to each other, is embedded connection between described primary seal circle and the secondary seal ring; The outer circumferential face of primary seal circle has groove, is inlaid with elastic ring in the groove, and the inner peripheral surface of primary seal circle is provided with the main lip of sealing.
2. Rockwell sealing ring according to claim 1 is characterized in that: the outer circumferential face of described secondary seal ring is provided with 2 road projectioies.
3. Rockwell sealing ring according to claim 1 and 2 is characterized in that: a side end face of described primary seal circle is provided with annular groove, is provided with the spring ring of the sealing effect of enhanced leaktightness master lip in the annular groove.
4. Rockwell sealing ring according to claim 3 is characterized in that: the sectional shape of the annular groove of a side end face of described primary seal circle is a V-arrangement, and the sectional shape of spring ring is a V-arrangement.
5. Rockwell sealing ring according to claim 1 is characterized in that: described primary seal circle, secondary seal ring and elastic ring have otch, three's otch 20 °～40 ° angles that stagger mutually.
6. Rockwell sealing ring according to claim 1 or 5, it is characterized in that: described elastic ring is an elasticity O type circle, and with groove interference fit, Rockwell sealing ring and the axle formation interference fit that is positioned at Rockwell sealing ring of the outer circumferential face of primary seal circle.
7. Rockwell sealing ring according to claim 1 and 2 is characterized in that: the inner peripheral surface of described secondary seal ring is provided with the sealing pair lip.
8. Rockwell sealing ring according to claim 1 and 2 is characterized in that: the opposite side end face of described primary seal circle is provided with annular protrusion, and a side end face of secondary seal ring is provided with annular groove, and annular protrusion embeds in the annular groove; Perhaps, the opposite side end face of primary seal circle is provided with annular groove, and a side end face of secondary seal ring is provided with annular protrusion, and annular protrusion embeds in the annular groove; Perhaps, the opposite side end face of primary seal circle is provided with the above annular protrusion in 2 roads or 2 roads or/and annular groove, and a side end face of secondary seal ring is provided with the above annular groove in 2 roads or 2 roads or/and annular protrusion, and the primary seal circle embeds mutually with secondary seal ring and is connected.
9. Rockwell sealing ring according to claim 8 is characterized in that: the sectional shape of the annular protrusion of the opposite side end face of described primary seal circle is trapezoidal, and the annular groove of a side end face of secondary seal ring is a dovetail groove; The groove of the outer circumferential face of primary seal circle is a dovetail groove; The sectional shape of the projection of the outer circumferential face of secondary seal ring is semicircle.
10. Rockwell sealing ring according to claim 1 is characterized in that: described primary seal circle is made by polytetrafluoroethylmaterial material, and secondary seal ring is made by polyurethane material, and elastic ring is made by polyurethane material or rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920059488XU CN201436426U (en) | 2009-06-30 | 2009-06-30 | Rockwell sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920059488XU CN201436426U (en) | 2009-06-30 | 2009-06-30 | Rockwell sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436426U true CN201436426U (en) | 2010-04-07 |
Family
ID=42372880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920059488XU Expired - Lifetime CN201436426U (en) | 2009-06-30 | 2009-06-30 | Rockwell sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201436426U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858588A (en) * | 2010-04-23 | 2010-10-13 | 海洋王照明科技股份有限公司 | Sealing device for lamp |
| CN102818025A (en) * | 2011-06-08 | 2012-12-12 | 海洋王照明科技股份有限公司 | Sealing structure for rotary shaft and lamp |
| CN103019470A (en) * | 2012-11-30 | 2013-04-03 | 深圳市深越光电技术有限公司 | Infrared touch screen and rectangular outer frame thereof |
| CN103195776A (en) * | 2013-04-22 | 2013-07-10 | 艾志（南京）环保管接技术股份有限公司 | Anchor-shaped connector of oil seal |
| CN103510905A (en) * | 2013-09-27 | 2014-01-15 | 武汉三江航天远方科技有限公司 | Underground stratification testing sampling instrument variable-diameter packing structure |
| CN104930268A (en) * | 2015-04-29 | 2015-09-23 | 中航光电科技股份有限公司 | Sealing ring |
| CN107166040A (en) * | 2017-05-31 | 2017-09-15 | 广州流体密封科技有限公司 | A kind of rotary shaft sealing of cylindrical self sealss |
| CN108417418A (en) * | 2018-05-09 | 2018-08-17 | 浙江工贸职业技术学院 | A kind of electric switch dynamic sealing device |
| CN110332325A (en) * | 2019-07-22 | 2019-10-15 | 上海益鼎石化设备制造有限公司 | A kind of gas control emergency relief valve |
-
2009
- 2009-06-30 CN CN200920059488XU patent/CN201436426U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858588A (en) * | 2010-04-23 | 2010-10-13 | 海洋王照明科技股份有限公司 | Sealing device for lamp |
| CN102818025B (en) * | 2011-06-08 | 2015-04-01 | 海洋王照明科技股份有限公司 | Sealing structure for rotary shaft and lamp |
| CN102818025A (en) * | 2011-06-08 | 2012-12-12 | 海洋王照明科技股份有限公司 | Sealing structure for rotary shaft and lamp |
| CN103019470A (en) * | 2012-11-30 | 2013-04-03 | 深圳市深越光电技术有限公司 | Infrared touch screen and rectangular outer frame thereof |
| CN103019470B (en) * | 2012-11-30 | 2016-02-10 | 深圳市深越光电技术有限公司 | The rectangular outer frame of infrared touch panel and a kind of infrared touch panel |
| CN103195776B (en) * | 2013-04-22 | 2015-04-22 | 艾志工业技术集团有限公司 | Anchor-shaped connector of oil seal |
| CN103195776A (en) * | 2013-04-22 | 2013-07-10 | 艾志（南京）环保管接技术股份有限公司 | Anchor-shaped connector of oil seal |
| CN103510905A (en) * | 2013-09-27 | 2014-01-15 | 武汉三江航天远方科技有限公司 | Underground stratification testing sampling instrument variable-diameter packing structure |
| CN104930268A (en) * | 2015-04-29 | 2015-09-23 | 中航光电科技股份有限公司 | Sealing ring |
| CN104930268B (en) * | 2015-04-29 | 2017-12-08 | 中航光电科技股份有限公司 | A kind of sealing ring |
| CN107166040A (en) * | 2017-05-31 | 2017-09-15 | 广州流体密封科技有限公司 | A kind of rotary shaft sealing of cylindrical self sealss |
| CN108417418A (en) * | 2018-05-09 | 2018-08-17 | 浙江工贸职业技术学院 | A kind of electric switch dynamic sealing device |
| CN110332325A (en) * | 2019-07-22 | 2019-10-15 | 上海益鼎石化设备制造有限公司 | A kind of gas control emergency relief valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU MECHANICAL ENGINEERING RESEARCH INSTITUT Free format text: FORMER NAME: GUANGZHOU INST. OF MACHINERY SCIENCE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510700 Whampoa, Guangdong Province, Mao Road, District No. 828, No. Patentee after: GUANGZHOU MECHANICAL ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Address before: 510700 Whampoa, Guangdong Province, Mao Road, District No. 828, No. Patentee before: Guangzhou Mechanical Engineering Research Institute |
|
| CU03 | Publication of corrected utility model | ||
| CU03 | Publication of corrected utility model |
Correction item: Patentee Correct: Guangzhou Mechanical Engineering Research Institute|510700 Whampoa, Guangdong Province, Mao Road, District No. 828, No. False: Guangzhou Mechanical Engineering Research Institute Co., Ltd.|510700 Whampoa, Guangdong Province, Mao Road, District No. 828, No. Number: 05 Volume: 29 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: GUANGZHOU MECHANICAL ENGINEERING RESEARCH INSTITUTE CO., LTD.:510700 GUANGZHOU, GUANGDONG PROVINCE TO: GUANGZHOU INST. OF MACHINERY SCIENCE:510700 GUANGZHOU, GUANGDONG PROVINCE |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510700 Whampoa, Guangdong Province, Mao Road, District No. 828, No. Patentee after: GUANGZHOU MECHANICAL ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Address before: 510700 Whampoa, Guangdong Province, Mao Road, District No. 828, No. Patentee before: Guangzhou Mechanical Engineering Research Institute |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100407 |