CN203430050U - Pipe clamp, arm support and pump truck - Google Patents
Pipe clamp, arm support and pump truck Download PDFInfo
- Publication number
- CN203430050U CN203430050U CN201320563453.6U CN201320563453U CN203430050U CN 203430050 U CN203430050 U CN 203430050U CN 201320563453 U CN201320563453 U CN 201320563453U CN 203430050 U CN203430050 U CN 203430050U
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- pipe clamp
- rigid
- pipe
- material conveying
- clamp
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Abstract
The utility model relates to an engineering machine tool technical field discloses a pipe clamp, cantilever crane and pump truck. The pipe clamps comprise a rigid lower pipe clamp and a rigid upper pipe clamp which are hinged, and the surfaces of the rigid lower pipe clamp and the rigid upper pipe clamp, which are contacted with the material conveying pipe, are respectively provided with a lower elastic pad and an upper elastic pad; and the connecting piece fixedly connects the rigid lower pipe clamp and the rigid upper pipe clamp which are used for clamping the material conveying pipe, so that the fixing reliability of the pipe clamp on the material conveying pipe is improved, and the stability and the safety reliability of the arm support device in the pumping process of the pump truck are further improved.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a pipe clamp, cantilever crane and pump truck.
Background
At present, a single pipe clamp is one of the most common material conveying pipe fixing devices in an arm support of a pump truck, the single pipe clamp is adopted to facilitate the fixing, assembling, positioning and replacing of the material conveying pipe on the pump truck, particularly, the maintenance and replacement of the material conveying pipe are greatly facilitated on an operation site, the workload of workers is effectively reduced, and the labor intensity is effectively reduced.
As shown in fig. 1 and 2, the conventional single pipe clamp structure generally includes: a lower pipe clamp 5 and an upper pipe clamp 6, wherein the lower pipe clamp 5 is usually made of steel casting, and a first end of the lower pipe clamp 5 is provided with an open slot 12; the upper pipe clamp 6 is formed by welding thin steel strips, and a first end of the upper pipe clamp 6 is hinged with the bolt 4; the second end of the upper pipe clamp 6 is hinged with the second end of the lower pipe clamp 5, the bolt 4 is inserted into the open slot 12, and the material conveying pipe in the single pipe clamp is locked or loosened by the upper pipe clamp 6 and the lower pipe clamp 5 through screwing or loosening the locking nut 31 sleeved on the bolt 4.
The defect that prior art exists lies in, at the in-process of pump truck pump sending, single pipe clamp is strikeed in the vibration of material conveying pipe, probably causes the upper tube clamp to burst apart extremely, or makes the condition that lower tube clamp crackle or even fracture appear, and then leads to the life of single pipe clamp to shorten, has reduced the pipe clamp and to the fixed reliability of material conveying pipe to influence the stability and the fail safe nature of cantilever crane device, especially when using this single pipe clamp on the big square pump truck of long cantilever crane, this kind of condition is changeed and takes place.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pipe clamp, cantilever crane and pump truck for improve the pipe clamp and to the fixed reliability of material conveying pipe, and then improve the stability and the fail safe nature of pump truck pumping process in cantilever crane.
The utility model discloses a pipe clamp, which comprises a rigid lower pipe clamp and a rigid upper pipe clamp which are hinged with each other, wherein the surfaces of the rigid lower pipe clamp and the rigid upper pipe clamp, which are contacted with a material conveying pipe, are respectively provided with a lower elastic pad and an upper elastic pad;
and the connecting piece is used for fixedly connecting the rigid lower pipe clamp and the rigid upper pipe clamp which are used for clamping the material conveying pipe.
The utility model provides an among the technical scheme, the surface that pipe clamp and material conveying pipe contacted has lower cushion and last cushion respectively on rigidity bottom tube clamp and the rigidity, at pump truck pumping process, material conveying pipe and pipe clamp can receive impact vibration, because the cushion can absorb the impact vibration of material conveying pipe better, play the buffering effect, the impact vibration that pipe clamp and rigidity bottom tube clamp received on the rigidity has alleviateed effectively, the guard action has been played to the pipe clamp, and simultaneously, the pipe clamp has improved the intensity of top tube clamp effectively on the rigidity, the shock resistance of pipe clamp has further been improved, the fixed reliability of pipe clamp to the material conveying pipe has been improved, and then the stability and the fail safe nature of cantilever crane have been improved.
Preferably, the rigid lower pipe clamp is provided with an open groove, the rigid upper pipe clamp is provided with a threaded connecting part which is positioned in the open groove and extends out of the open groove, and the connecting piece is a nut which is in threaded connection with the threaded connecting part;
or, rigidity low tube anchor clamps have the open slot, pipe clamp has in the rigidity and is located the open slot just stretches out the coupling part of open slot, the pinhole has been seted up to the coupling part, the connecting piece is for passing the round pin axle of pinhole.
The tightness between the pipe clamp and the material conveying pipe can be adjusted by adopting the threaded connection of the threads and the nut, so that the stability of the pipe clamp for fixing the material conveying pipe is improved; the rigid lower pipe clamp and the rigid upper pipe clamp which are used for clamping the material conveying pipe are fixedly connected by matching the pin shaft and the pin hole, so that the installation of the pipe clamps is more convenient and simpler.
Preferably, the rigid lower pipe clamp is provided with a bulge facing away from the rigid upper pipe clamp at the tail end position of the open slot.
The bulge can effectively prevent the gasket and the nut from falling off due to the impact vibration of the pipe clamp on the material conveying pipe, thereby effectively improving the reliability of the pipe clamp on the fixation of the material conveying pipe,
preferably, the rigid lower pipe clamp is provided with at least one reinforcing rib along the circumferential direction, and a fillet is arranged between every two adjacent reinforcing ribs, so that the strength and the vibration resistance of the rigid lower pipe clamp are effectively improved, the fixing reliability of the pipe clamp is effectively improved when the rigid lower pipe clamp is subjected to impact vibration of a material conveying pipe, and the safety and the reliability of the arm support are further improved; the fillet can effectively reduce stress concentration when the rigid lower pipe clamp is subjected to impact vibration, so that the occurrence of cracks and even breakage of the rigid lower pipe clamp is effectively reduced.
Preferably, the upper elastic pad is an elastic sleeve coated on the rigid upper pipe clamp, and the lower elastic pad is coated on the contact surface and two side surfaces of the rigid lower pipe clamp, so that the reliability of the rigid upper pipe clamp and the rigid lower pipe clamp respectively jointed with the upper elastic pad and the lower elastic pad is effectively improved.
Preferably, the lower elastic pad is provided with a seaming groove, and the edge of the part of the rigid lower pipe clamp clamping the material conveying pipe is embedded into the seaming groove. The edge of the part of the rigid lower pipe clamp for clamping the material conveying pipe is embedded into the seaming groove, so that the lower elastic pad is reliably attached to the rigid lower pipe clamp, and the reliability of the pipe clamp for fixing the material conveying pipe is improved.
Preferably, the rigid upper pipe clamp is a forged steel piece, and the rigid lower pipe clamp is a cast steel piece.
The forged steel has good strength and toughness, so that the service life and reliability of the pipe clamp can be greatly improved, the pipe clamp is simple to process and low in cost, has good universality and interchangeability, and effectively reduces the production cost of the pipe clamp; because the cast steel has higher strength and better shock resistance, the reliability of the pipe clamp for fixing the material conveying pipe can be effectively improved, the safety and reliability of the arm support device are further improved, and meanwhile, the cast rigid lower pipe clamp has lower cost and effectively reduces the production cost of the pipe clamp.
Preferably, the parts of the rigid upper pipe clamp and the rigid lower pipe clamp for clamping the material conveying pipe respectively are of flat structures, so that the contact area between the pipe clamps and the material conveying pipe is effectively increased, and when the pipe clamps are impacted by the material conveying pipe, the stress on the contact parts of the pipe clamps is effectively reduced, the service life of the pipe clamps is prolonged, and the reliability of the pipe clamps for fixing the material conveying pipe is improved.
The arm support comprises an arm support body, a material conveying pipe and the pipe clamp in any one of the technical schemes, wherein the material conveying pipe is fixed on the arm support body through the pipe clamp. As the pipe clamp has the technical effects, the arm support with the pipe clamp also has corresponding technical effects.
A pump truck comprises the arm support in the technical scheme. As the arm support has the technical effects, the pump truck with the arm support also has corresponding technical effects.
Drawings
FIG. 1 is a schematic front view of a conventional single tube clamp;
FIG. 2 is a schematic top view of a conventional single tube clamp;
fig. 3 is a schematic perspective view of an embodiment of the pipe clamp of the present invention;
fig. 4 is a schematic front view of another embodiment of the pipe clamp of the present invention;
FIG. 5 is a schematic cross-sectional view of an embodiment of the upper rigid pipe clamp and the upper elastic pad of the pipe clamp of the present invention;
FIG. 6 is a schematic cross-sectional view of an embodiment A-A of the upper rigid pipe clamp and the upper elastic pad of the present invention;
FIG. 7 is a schematic cross-sectional view of an embodiment of a rigid lower tube clamp and a lower elastic pad of the tube clamp of the present invention;
fig. 8 is a schematic cross-sectional view of an embodiment B-B of the rigid lower tube clamp and the lower elastic pad of the tube clamp of the present invention.
Reference numerals:
1-rigid lower pipe clamp 11-open slot
12-lower elastic cushion 13-reinforcing rib
121-undercut groove 14-projection
2-rigid Upper pipe clip 21-Upper elastic pad
22-threaded connection 3-connection
31-locknut 32-locknut
4-bolt 5-lower pipe clamp
6-Upper pipe clamp
Detailed Description
In order to improve stability and fail safe nature of the cantilever crane among the pump truck pumping process, the embodiment of the utility model provides a pipe clamp, cantilever crane and pump truck. Compared with the prior art, the surfaces of the rigid lower pipe clamp and the rigid upper pipe clamp, which are contacted with the material conveying pipe, are respectively provided with the lower elastic pad and the upper elastic pad, in the pumping process of the pump truck, the material conveying pipe and the pipe clamp can be impacted and vibrated, and the elastic pads can better absorb the impact vibration of the material conveying pipe, so that the buffering effect is achieved, the impact vibration borne by the rigid upper pipe clamp and the rigid lower pipe clamp is effectively reduced, the pipe clamp is protected, meanwhile, the strength of the upper pipe clamp is effectively improved by the rigid upper pipe clamp, the impact resistance of the pipe clamp is further improved, the reliability of the pipe clamp for fixing the material conveying pipe is improved, and further, the stability and the safety reliability of the arm support in the pumping process of the pump truck are improved.
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 3 and fig. 4, and as shown in fig. 5 and fig. 7, wherein, fig. 5 is the schematic sectional structure diagram of an embodiment of the upper rigid pipe clamp and the upper elastic pad in the pipe clamp of the present invention, and fig. 7 is the schematic sectional structure diagram of an embodiment of the lower rigid pipe clamp and the lower elastic pad in the pipe clamp of the present invention, an embodiment of the present invention provides a pipe clamp, including:
the device comprises a rigid lower pipe clamp 1 and a rigid upper pipe clamp 2 which are hinged, wherein the surfaces of the rigid lower pipe clamp 1 and the rigid upper pipe clamp 2, which are contacted with a material conveying pipe, are respectively provided with a lower elastic pad 12 and an upper elastic pad 21;
and the connecting piece 3 is used for fixedly connecting the rigid lower pipe clamp 1 and the rigid upper pipe clamp 2 which are used for clamping the material conveying pipe.
When the pipe clamp is used, the rigid upper pipe clamp 2 or the rigid lower pipe clamp 1 is fixed on the arm support body, the connecting piece 3 is detached, the rigid upper pipe clamp 2 is separated from the fixed connecting part of the rigid lower pipe clamp 1, the rigid upper pipe clamp 2 rotates around the hinged part of the rigid upper pipe clamp 2 and the rigid lower pipe clamp 1 to be opened, the material conveying pipe is clamped in, the rigid upper pipe clamp 2 rotates in the opposite direction, the rigid upper pipe clamp 2 is fixedly connected with the rigid lower pipe clamp 1 through the connecting piece 3, and the material conveying pipe is fixed by the pipe clamp.
In the pumping process of the pump truck, impact and vibration can be generated on the material conveying pipe, the elastic pad is in contact with the material conveying pipe, and the elastic pad can better absorb the impact vibration of the material conveying pipe to play a role in buffering, so that the impact vibration borne by the rigid upper pipe clamp 2 and the rigid lower pipe clamp 1 is effectively reduced, and the pipe clamps, the material conveying pipe and the arm support are protected; the rigid upper pipe clamp 2 can effectively improve the impact strength of the upper pipe clamp, further improve the impact resistance of the pipe clamp, and further improve the stability and the safety reliability of the arm support in the pumping process of the pump truck.
Meanwhile, due to the elasticity and the friction of the elastic pad, the elastic pad is in surface contact with the material conveying pipe, the surface fitting degree between the pipe clamp and the material conveying pipe is enhanced, the contact area between the pipe clamp and the material conveying pipe is increased, the stress on the material conveying pipe, the rigid upper pipe clamp 2 and the rigid lower pipe clamp 1 is uniform, the stress concentration is reduced, the sliding or rotating condition of the material conveying pipe when the material conveying pipe is vibrated is effectively improved, and the stability of the pipe clamp for fixing the material conveying pipe is improved. The elastic pad may be made of various materials, such as rubber, polyurethane, etc., and is not limited herein.
In order to make the installation of the pipe clamp more convenient and simpler, adjust the tightness between the pipe clamp and the material conveying pipe and improve the stability of the pipe clamp for fixing the material conveying pipe, as shown in fig. 3, the embodiment preferably adopts that the rigid lower pipe clamp 1 is provided with an open slot 11, the rigid upper pipe clamp 2 is provided with a threaded connection part 22 which is positioned in the open slot 11 and extends out of the open slot 11, and the connecting piece 3 is a nut in threaded connection with the threaded connection part 22.
The threaded connection part 22 of the upper rigid pipe clamp 2 is clamped into the open slot 11 from the side surface of the opening for limiting, after the material conveying pipe is clamped into the pipe clamp, the threaded connection part 22 is sequentially sleeved with a gasket and a nut, and the nut is screwed down to fix the material conveying pipe. The form of the open slot is various, and in the embodiment, a U-shaped slot is adopted.
Since the impact vibration of the material conveying pipe may loosen the nut during the pumping process of the pump truck, in order to improve the reliability of the pipe clamp fixing the material conveying pipe, the nut comprises a locking nut 31 and a locknut 32 which are in threaded connection with the threaded connection part 22. The locking nut 31 is screwed up to fix the material conveying pipe, the locking nut 32 prevents looseness of connection between the locking nut 31 and the threaded connection part, and safety and reliability of the pipe clamp for fixing the material conveying pipe in the pumping process of the pump truck are effectively improved.
Above embodiment does the utility model discloses an embodiment of preferred, of course, the realization with centre gripping material conveying pipe the mode of connection can also be adopted with rigidity bottom tube clamp and rigidity top tube clamp fixed: the rigid lower pipe clamp 1 is provided with an open slot, the rigid upper pipe clamp 2 is provided with a connecting part which is positioned in the open slot 11 and extends out of the open slot 11, the connecting part is provided with a pin hole, and the connecting piece 3 is a pin shaft penetrating through the pin hole.
Further, in order to improve the reliability of the fixing of the pipe clamp to the material conveying pipe, referring to fig. 3, the present invention preferably provides the pipe clamp, wherein the rigid lower pipe clamp 1 is provided with a protrusion 14 facing away from the rigid upper pipe clamp 2 at the end position of the open slot 11. The bulge 14 can effectively prevent the gasket and the nut from falling off due to impact vibration of the pipe clamp on the material conveying pipe during the pumping process of the pump truck.
In order to further improve the strength of the rigid lower pipe clamp 1, a fillet is arranged between every two adjacent reinforcing ribs 13, as shown in the embodiment shown in fig. 8, the rigid lower pipe clamp 1 is provided with at least one reinforcing rib 13 along the circumferential direction, and a fillet transition is adopted between the two reinforcing ribs 13, so that the stress concentration of the rigid lower pipe clamp 1 when the rigid lower pipe clamp is subjected to impact vibration can be effectively reduced, the vibration resistance of the rigid lower pipe clamp 1 is improved, the reliability of pipe clamp fixation is effectively improved when the rigid lower pipe clamp is subjected to impact vibration of a material conveying pipe, and the safety and reliability of the boom device are further improved.
In the embodiment shown in fig. 6, the upper resilient pad 21 is a resilient sleeve wrapped around the rigid upper pipe clamp 2. The elastic sleeve is coated on the rigid upper pipe clamp, so that the reliability of the attachment of the rigid upper pipe clamp and the elastic sleeve is effectively improved.
As shown in fig. 8, in the embodiment, the lower elastic pad 12 covers the contact surface and two side surfaces of the rigid lower pipe clamp 1, the lower elastic pad has various structures, which can completely cover the rigid lower pipe clamp 1 and can also cover the rigid lower pipe clamp 1 on three sides, and for the rigid lower pipe clamp with a special-shaped structure, the lower elastic pad adopts a three-side covering structure, which can more reliably attach the rigid upper pipe clamp to the elastic pad, and effectively improve the reliability of attachment of the rigid upper pipe clamp to the elastic pad.
As shown in fig. 8, the lower elastic pad 12 has a seaming groove 121, and the edge of the portion of the rigid lower pipe clamp 1 clamping the material conveying pipe is embedded in the seaming groove 121, so that the lower elastic pad 12 is reliably attached to the rigid lower pipe clamp 1, and the relative movement between the lower elastic pad 12 and the rigid lower pipe clamp 1 is effectively prevented, thereby improving the reliability of the pipe clamp fixing the material conveying pipe.
In the embodiment provided by the present invention, the rigid upper pipe clamp 2 is a forged steel part, and the rigid lower pipe clamp 1 is a cast steel part. The rigid upper pipe clamp 2 formed by forging the round steel has the advantages that as the forged steel has good strength and toughness, the service life and reliability of the pipe clamp can be greatly improved, the processing is simple, the cost is low, the universality and interchangeability are good, and the production cost of the pipe clamp is effectively reduced; the cast steel cast rigid lower pipe clamp 1 has higher strength and better shock resistance, so that the reliability of the pipe clamp for fixing a material conveying pipe can be effectively improved, the safety and reliability of the arm support device are further improved, and the cast rigid lower pipe clamp 1 has lower cost, so that the production cost of the pipe clamp is effectively reduced. Of course, the rigid lower pipe clamp 1 can also be formed by welding cast steel.
In order to increase the contact area between the pipe clamp and the material conveying pipe, as shown in the embodiment of fig. 3 and combined with fig. 6 and 8, the parts of the rigid upper pipe clamp 2 and the rigid lower pipe clamp 1, which respectively clamp the material conveying pipe, are flat structures, so that the contact area between the pipe clamp and the material conveying pipe is effectively increased, and when the pipe clamp is impacted by the material conveying pipe, the stress on the contact part of the pipe clamp is effectively reduced, thereby prolonging the service life of the pipe clamp and improving the reliability of the pipe clamp in fixing the material conveying pipe.
Based on the pipe clamp that provides in the above-mentioned embodiment, the utility model also provides a cantilever crane, this cantilever crane includes the cantilever crane body, material conveying pipe to and any above-mentioned embodiment the pipe clamp, material conveying pipe passes through on the pipe clamp is fixed in the cantilever crane body, because this cantilever crane has adopted the pipe clamp in the above-mentioned embodiment, so the beneficial effect of this cantilever crane please refer to above-mentioned embodiment.
Based on the cantilever crane that provides in the above-mentioned embodiment, the utility model also provides a pump truck, this pump truck include above-mentioned embodiment the cantilever crane, because this pump truck has adopted the cantilever crane in the above-mentioned embodiment, so the beneficial effect of this pump truck please refer to above-mentioned embodiment.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A pipe clamp, comprising:
the device comprises a rigid lower pipe clamp (1) and a rigid upper pipe clamp (2) which are hinged with each other, wherein the surfaces of the rigid lower pipe clamp (1) and the rigid upper pipe clamp (2) which are contacted with a material conveying pipe are respectively provided with a lower elastic pad (12) and an upper elastic pad (21);
and the connecting piece (3) is used for fixedly connecting the rigid lower pipe clamp (1) and the rigid upper pipe clamp (2) which are used for clamping the material conveying pipe.
2. Pipe clamp according to claim 1,
the rigid lower pipe clamp (1) is provided with an open groove (11), the rigid upper pipe clamp (2) is provided with a threaded connecting part (22) which is positioned in the open groove (11) and extends out of the open groove (11), and the connecting piece (3) is a nut in threaded connection with the threaded connecting part (22);
or,
rigid lower tube clamp (1) has open slot (11), pipe clamp (2) have on the rigidity and are located open slot (11) and stretch out the coupling part of open slot (11), the coupling part has the pinhole, connecting piece (3) are for passing the round pin axle of pinhole.
3. Pipe clamp according to claim 2, characterized in that the rigid lower pipe clamp (1) has a projection (14) facing away from the rigid upper pipe clamp (2) in the end position of the opening groove (11).
4. Pipe clamp according to claim 1, characterized in that the rigid lower pipe clamp (1) has at least one reinforcement rib (13) in the circumferential direction, with rounded corners between every two adjacent reinforcement ribs (13).
5. Pipe clamp according to claim 1, characterized in that the upper elastic pad (21) is an elastic sleeve covering the rigid upper pipe clamp (2) and the lower elastic pad (12) covers the contact surface and both sides of the rigid lower pipe clamp (1).
6. Pipe clamp according to claim 5, characterized in that the lower elastic pad (12) has a beading groove (121), the edge of the part of the rigid lower pipe clamp (1) holding the material conveying pipe fitting into the beading groove (121).
7. Pipe clamp according to claim 1, characterized in that the rigid upper pipe clamp (2) is a forged steel part and the rigid lower pipe clamp (1) is a cast steel part.
8. Pipe clamp according to claim 1, characterized in that the parts of the upper rigid pipe clamp (2) and the lower rigid pipe clamp (1) that respectively clamp the material conveying pipe are of flat construction.
9. An arm support, characterized by comprising: the pipe clamp comprises a boom body, a material conveying pipe and the pipe clamp according to any one of claims 1-8, wherein the material conveying pipe is fixed on the boom body through the pipe clamp.
10. A pump truck comprising an arm support according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563453.6U CN203430050U (en) | 2013-09-11 | 2013-09-11 | Pipe clamp, arm support and pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563453.6U CN203430050U (en) | 2013-09-11 | 2013-09-11 | Pipe clamp, arm support and pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430050U true CN203430050U (en) | 2014-02-12 |
Family
ID=50059098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563453.6U Expired - Lifetime CN203430050U (en) | 2013-09-11 | 2013-09-11 | Pipe clamp, arm support and pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219463A (en) * | 2019-07-02 | 2019-09-10 | 南京工业职业技术学院 | A kind of concreting bracket |
| CN111411775A (en) * | 2020-03-26 | 2020-07-14 | 南京海晨霞工程科技有限公司 | Template applied to structural column |
-
2013
- 2013-09-11 CN CN201320563453.6U patent/CN203430050U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219463A (en) * | 2019-07-02 | 2019-09-10 | 南京工业职业技术学院 | A kind of concreting bracket |
| CN111411775A (en) * | 2020-03-26 | 2020-07-14 | 南京海晨霞工程科技有限公司 | Template applied to structural column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |