US20110119894A1 - Method of Manufacturing An Orifice Holder Assembly - Google Patents
Method of Manufacturing An Orifice Holder Assembly Download PDFInfo
- Publication number
- US20110119894A1 US20110119894A1 US13/018,559 US201113018559A US2011119894A1 US 20110119894 A1 US20110119894 A1 US 20110119894A1 US 201113018559 A US201113018559 A US 201113018559A US 2011119894 A1 US2011119894 A1 US 2011119894A1
- Authority
- US
- United States
- Prior art keywords
- boss
- orifice
- tube
- manufacturing
- holder assembly
- 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.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L13/147—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by radially expanding the inner part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2213/00—Burner manufacture specifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the present invention relates to a tubing assembly and more particularly, to tube orifice and orifice holding assembly improvements.
- an orifice holder, tube and orifice assembly of the presently preferred embodiment preferably includes a tube which includes a bead or other stop on an exterior surface of the tube which contacts a first position of an orifice holder. A portion of the tube passes through a bore extending from the first position to a second position in the orifice holder.
- a tool such an a mandrel is preferably inserted through an outlet of the orifice holder and is used to flare out the tube at a second position of the orifice holder so that the tube is then secured to the orifice holder so that the orifice holder outlet as well as the tube outlet are disposed beyond the second position of the orifice holder.
- the tube is then provided with an orifice such as by screwing the orifice into the tube.
- the preferred method is believed to provide a cost savings to the manufacturer through construction while providing a high quality product for the completed product.
- FIG. 1 shows a side view of an assembled orifice holder connected to a tube and an orifice of the presently preferred embodiment of the present invention from a side view;
- FIG. 2 shows a top view of the orifice holder assembly shown in FIG. 1 ;
- FIG. 3 shows a process of manufacturing the orifice holder assembly as shown in FIGS. 1 and 2 ;
- FIG. 4 shows a detailed cross sectional view of a detail marked as A in FIG. 3 after the manufacturing step has been completed and the orifice installed as would be in FIGS. 1-2 .
- FIG. 1 shows an orifice holder assembly 10 having an orifice holder 12 which is typically a cast part, and in the preferred embodiment, has been cast out of aluminum. Of course, other manufacturing techniques could be utilized to make other orifice holders. Casting has been found to be economical while providing a quality product.
- the orifice holder 12 has an outlet 14 , shown in FIG. 2 , at a top end 16 .
- the outlet 14 of this embodiment is illustrated as being at least substantially round and directs a fuel gas mixture from below through the outlet 14 past the top end 16 for use by a burner which is not shown. Many burner designs have been constructed. Other orifice holders have been utilized in the past for such uses.
- This orifice holder has two arms 18 , 20 which are shown in FIG. 3 , extending from a base 22 . These arms connect at a boss 24 which is configured to have a bore therethrough which receives a portion of tube 26 therethrough.
- a bead 28 is preferably utilized to stop the tube 26 a desired position relative to the boss 24 as shown in FIGS. 3 and 4 during the assembly process.
- Other mechanisms known in the art can also be utilized which provide a stop so that no further travel of the tube 26 through the bore can occur due to the presence of the bead 28 .
- an anvil 30 or other device is inserted through the outlet 14 of the orifice holder 12 and causes the end 32 of the tube 26 to be deflected such as shown in FIG. 4 so that the boss 24 of the orifice holder is secured relative to the lip 34 created by the bent tube 26 and the bead 28 .
- This method of construction is believed to be a large improvement over the prior art in that in the prior art such as shown in U.S. Pat. Nos. 5,607,194 and 5,727,303.
- the bead 28 has a boss engagement flange 36 which is shown adjacent to boss surface 38 and lip 34 as a lip engagement surface 40 which engages boss surface 42 . Additionally, arms 18 , 20 are illustrated extending above the lip 34 as well as above orifice body 46 .
- the tube end 32 is not already provided with threads is may be tapped so that it has threads 44 as shown in FIG. 4 by directing the tap (not shown) through the outlet 14 and providing the threads 44 as shown in FIG. 4 in a similar manner as anvil 30 is shown applied in FIG. 3 .
- the orifice body 46 may make its own threaded connection (i.e., somewhat self tapping). The orifice body 46 with its cooperating threads is then inserted preferably through the outlet 14 so that its cooperating threads engage threads 44 so it can be provided in the position shown in FIG. 4 .
- the orifice body 46 then has bore 48 which allows for the gas from the tube 26 to then mix with air in the space 49 prior to being directed through the outlet 14 where mixing can further continue to occur within a burner (not shown) before being lit and providing heat in a stove type configuration.
- the presently preferred embodiment as described herein provides the connection of the tube 26 to the boss 24 through application through the outlet 14 as well as the machining of the tube 26 to provide threads 44 if not done prior to the installation of the tube 26 to the boss 24 . Finally it is also presently preferred to install the orifice body 46 through the outlet 14 .
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pipe Accessories (AREA)
- Gas Burners (AREA)
- Nozzles (AREA)
Abstract
An orifice holder assembly provides a boss connected by at least one arm to a base having an outlet therethrough. The boss is provided below the outlet. A tube is inserted through the boss until a bead contacts a first boss surface and the tube end is then deflected to form a lip where the lip and the bead connects the tube to the boss. An orifice body is then inserted in the tube end.
Description
- This application is a continuation of U.S. Utility patent application Ser. No. 11/848,736 filed Aug. 31, 2007.
- The present invention relates to a tubing assembly and more particularly, to tube orifice and orifice holding assembly improvements.
- Member and tube assemblies such as the improvements shown in U.S. Pat. Nos. 5,607,194 and 5,727,303 have been performed by the applicant. While these improvements are useful, in order to connect the tube and orifice to an orifice holder, a separate connection system has been utilized to perform that connection. In the prior art, this connection was been done typically by screwing the threads such as the threads 41 of FIG. 4 of U.S. Pat. No. 5,607,194 into cooperating threads of an orifice holder. While this would provide easy installation replacement, it also could allow for such conditions to exist as imprecise placement of a tube relative to the orifice holders, (i.e., such as if the fitting was not inserted the proper amount). Furthermore, since the tubes which are connected to the fittings are not usually straight when they are installed in an oven, it may be extremely difficult to rotate a tube relative to an installed orifice holder. Furthermore, since there are not normally any moving parts at this location once installed, the opportunity for failure of these component parts is particularly small so replacement of one part relative to the other is not believed to be commonly performed.
- While the prior art technology is certainly useful and continues to be widely practiced by the applicant, an improved manufacturing method and completed apparatus is believed to be desirable at least for some applications.
- It is an object of the present invention to provide a tube securely connected to an orifice holder independent of cooperating threads.
- It is another object of the present invention to provide a tube connected to an orifice holder in an improved manner.
- It is another object of the present invention to provide a tube secured to an orifice holder such that the tube is connected to the orifice holder by the use of at least one tool applied through an air/fuel outlet of the orifice holder during the manufacturing process.
- Accordingly, an orifice holder, tube and orifice assembly of the presently preferred embodiment preferably includes a tube which includes a bead or other stop on an exterior surface of the tube which contacts a first position of an orifice holder. A portion of the tube passes through a bore extending from the first position to a second position in the orifice holder. A tool such an a mandrel is preferably inserted through an outlet of the orifice holder and is used to flare out the tube at a second position of the orifice holder so that the tube is then secured to the orifice holder so that the orifice holder outlet as well as the tube outlet are disposed beyond the second position of the orifice holder. The tube is then provided with an orifice such as by screwing the orifice into the tube. The preferred method is believed to provide a cost savings to the manufacturer through construction while providing a high quality product for the completed product.
- The particular features and advantages of the invention as well as other objects will become apparent from the following description taken in connection with the accompanying drawings in which:
-
FIG. 1 shows a side view of an assembled orifice holder connected to a tube and an orifice of the presently preferred embodiment of the present invention from a side view; -
FIG. 2 shows a top view of the orifice holder assembly shown inFIG. 1 ; -
FIG. 3 shows a process of manufacturing the orifice holder assembly as shown inFIGS. 1 and 2 ; and -
FIG. 4 shows a detailed cross sectional view of a detail marked as A inFIG. 3 after the manufacturing step has been completed and the orifice installed as would be inFIGS. 1-2 . -
FIG. 1 shows anorifice holder assembly 10 having anorifice holder 12 which is typically a cast part, and in the preferred embodiment, has been cast out of aluminum. Of course, other manufacturing techniques could be utilized to make other orifice holders. Casting has been found to be economical while providing a quality product. - The
orifice holder 12 has anoutlet 14, shown inFIG. 2 , at atop end 16. Theoutlet 14 of this embodiment is illustrated as being at least substantially round and directs a fuel gas mixture from below through theoutlet 14 past thetop end 16 for use by a burner which is not shown. Many burner designs have been constructed. Other orifice holders have been utilized in the past for such uses. - This orifice holder has two
arms FIG. 3 , extending from abase 22. These arms connect at aboss 24 which is configured to have a bore therethrough which receives a portion oftube 26 therethrough. Abead 28 is preferably utilized to stop the tube 26 a desired position relative to theboss 24 as shown inFIGS. 3 and 4 during the assembly process. Other mechanisms known in the art can also be utilized which provide a stop so that no further travel of thetube 26 through the bore can occur due to the presence of thebead 28. - Once the
tube 26 is installed as shown inFIG. 3 , ananvil 30 or other device is inserted through theoutlet 14 of theorifice holder 12 and causes theend 32 of thetube 26 to be deflected such as shown inFIG. 4 so that theboss 24 of the orifice holder is secured relative to thelip 34 created by thebent tube 26 and thebead 28. This method of construction is believed to be a large improvement over the prior art in that in the prior art such as shown in U.S. Pat. Nos. 5,607,194 and 5,727,303. - In the prior art, a separate nut and thread arrangement was utilized to secure those fittings to orifice holders. By manufacturing an orifice holder as shown and described in the figures herein, at least several manufacturing steps and parts can be omitted which is believed to result in a cost savings to at least the manufacturer, if not the end user.
- As shown in
FIG. 4 , thebead 28 has aboss engagement flange 36 which is shown adjacent toboss surface 38 andlip 34 as alip engagement surface 40 which engagesboss surface 42. Additionally,arms lip 34 as well asabove orifice body 46. - After connecting the
tube 26 to theorifice holder 12, if thetube end 32 is not already provided with threads is may be tapped so that it hasthreads 44 as shown inFIG. 4 by directing the tap (not shown) through theoutlet 14 and providing thethreads 44 as shown inFIG. 4 in a similar manner asanvil 30 is shown applied inFIG. 3 . Alternatively, and more preferably, theorifice body 46 may make its own threaded connection (i.e., somewhat self tapping). Theorifice body 46 with its cooperating threads is then inserted preferably through theoutlet 14 so that its cooperating threads engagethreads 44 so it can be provided in the position shown inFIG. 4 . Theorifice body 46 then hasbore 48 which allows for the gas from thetube 26 to then mix with air in the space 49 prior to being directed through theoutlet 14 where mixing can further continue to occur within a burner (not shown) before being lit and providing heat in a stove type configuration. - While it is alternatively possible to provide an
anvil 30, tap or orifice at thespace 48 below to thebase 22 to flare thelip 34 and/or install theorifice body 46 in a similar manner, the presently preferred embodiment as described herein provides the connection of thetube 26 to theboss 24 through application through theoutlet 14 as well as the machining of thetube 26 to providethreads 44 if not done prior to the installation of thetube 26 to theboss 24. Finally it is also presently preferred to install theorifice body 46 through theoutlet 14. - It is important to remember that in the prior art the machining of the
tube 26 to a fitting has been performed before installing the fitting to anorifice holder 12. - Numerous alterations of the structure herein disclosed will suggest themselves to those skilled in the art. However, it is to be understood that the present disclosure relates to the preferred embodiment of the invention which is for purposes of illustration only and not to be construed as a limitation of the invention. All such modifications which do not depart from the spirit of the invention are intended to be included within the scope of the appended claims.
- Having thus set forth the nature of the invention, what is claimed herein is:
Claims (18)
1. A method of manufacturing an orifice holder assembly comprising the steps of:
providing an orifice holder having a base connected by at least one arm to a boss, said boss located below the base and having a bore therethrough extending from a first boss surface to a second boss surface with said second boss surface located above the first boss surface;
directing a tube to be received by the boss, said tube having a preformed bead disposed about the tube spaced from a tube end, said bead contacting the first boss surface with a portion of the tube extending through the bore of the boss, said tube then deformed at the tube end to provide a lip with a lip engagement surface in contact with the second boss surface external to the bore with the lip and the bead forming a mechanical connection of the tube to the boss by entrapping a portion of the boss between the lip and bead; and
then installing an orifice body in the tube end, said orifice body having a bore therethrough, said orifice body located below the base with a space above the orifice body and below the base and said orifice body terminating internal to the boss above the first boss surface.
2. The method of manufacturing the orifice holder assembly of claim 1 wherein the orifice body has external threads, and installing the orifice body further comprises screwing the threads into an internal portion of the tube toward the tube end.
3. The method of manufacturing the orifice holder assembly of claim 1 wherein the at least one arm integrally connected to and extends from the boss.
4. The method of manufacturing the orifice holder assembly of claim 3 wherein after providing the mechanical connection of the tube to the boss, the first boss surface against the bead is the lowest portion of the boss.
5. The method of manufacturing the orifice holder assembly of claim 1 wherein after the installation of the orifice holder, an outlet of the orifice holder extends through the base above the orifice body.
6. The method of manufacturing the orifice holder assembly of claim 1 wherein the at least one arm further consists of two arms extending from the base to the boss.
7. The method of manufacturing the orifice holder assembly of claim 6 wherein the two arms are oppositely and symmetrically disposed relative to the orifice body.
8. The method of manufacturing the orifice holder assembly of claim 1 wherein the tube end is provided having a smaller cross section than the bore of the boss until physically deflected to provide the lip, and the directing step further comprises inserting the tube end through the bore of the boss until the bead contacts the first boss surface, and then deflecting the tube end to provide the lip external to the bore of the boss.
9. The orifice holder assembly of claim 8 wherein the orifice body has self-tapping external threads and the installation step further comprises screwing the orifice body to the tube end.
10. A method of manufacturing an orifice holder assembly comprising the steps of:
providing an orifice holder having an outlet, and the orifice holder further having a base connected by at least one arm to a boss, said boss located under the outlet and having a bore therethrough extending from a first boss surface to a second boss surface with said second boss surface located above the first boss surface;
inserting a tube into the boss, said tube having a preformed bead disposed about the tube spaced from a tube end, said tube inserted until the bead contacts the first boss surface with a portion of the tube extending through the bore of the boss, said tube deformed after insertion to provide a lip at the tube end with a lip engagement surface in contact with the second boss surface external to the bore with the lip and the bead forming a mechanical connection of the tube to the boss by entrapping a portion of the boss between the lip and bead; and
installing an orifice body in the tube end and having a bore therethrough, said orifice body located below the outlet with a space above the orifice body and below the outlet, and said orifice body terminating internal to the boss above the first boss surface.
11. The method of manufacturing the orifice holder assembly of claim 10 wherein the tube end initially has a smaller cross section than the bore of the boss until physically deflected during the deflection step to provide the lip.
12. The method of manufacturing the orifice holder assembly of claim 10 wherein the tube end is physically deflected with a device extending through the outlet of the orifice holder which is removed after forming the lip.
13. The method of manufacturing the orifice holder assembly of claim 12 wherein after deflecting the tube end to provide the lip, then inserting the orifice body at the tube end.
14. The method of manufacturing the orifice holder assembly of claim 13 wherein the orifice body is provided self-tapping external threads which screw into the orifice body to the tube end during installation.
15. The method of manufacturing the orifice holder assembly of claim 10 wherein the orifice body has external threads which screw into an internal portion of the tube toward the tube end and after installation the bead is located external to the bore.
16. The method of manufacturing the orifice holder assembly of claim 10 wherein the at least one arm is integrally connected to the base and the boss and the bead is located below the first boss surface.
17. The method of manufacturing the orifice holder assembly of claim 10 wherein the at least one arm further comprises two arms extending from the base to the boss and at least a portion of the lip is located above the second boss surface.
18. The method of manufacturing the orifice holder assembly of claim 17 wherein the two arms are oppositely disposed relative to the orifice body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/018,559 US20110119894A1 (en) | 2007-08-31 | 2011-02-01 | Method of Manufacturing An Orifice Holder Assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/848,736 US20090051165A1 (en) | 2007-08-22 | 2007-08-31 | Orifice Holder Construction |
US13/018,559 US20110119894A1 (en) | 2007-08-31 | 2011-02-01 | Method of Manufacturing An Orifice Holder Assembly |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/848,736 Continuation US20090051165A1 (en) | 2007-08-22 | 2007-08-31 | Orifice Holder Construction |
Publications (1)
Publication Number | Publication Date |
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US20110119894A1 true US20110119894A1 (en) | 2011-05-26 |
Family
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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US11/848,736 Abandoned US20090051165A1 (en) | 2007-08-22 | 2007-08-31 | Orifice Holder Construction |
US13/018,559 Abandoned US20110119894A1 (en) | 2007-08-31 | 2011-02-01 | Method of Manufacturing An Orifice Holder Assembly |
US14/615,610 Active US9726307B1 (en) | 2007-08-22 | 2015-02-06 | Orifice holder construction |
Family Applications Before (1)
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US11/848,736 Abandoned US20090051165A1 (en) | 2007-08-22 | 2007-08-31 | Orifice Holder Construction |
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US14/615,610 Active US9726307B1 (en) | 2007-08-22 | 2015-02-06 | Orifice holder construction |
Country Status (7)
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US (3) | US20090051165A1 (en) |
EP (1) | EP2183520B1 (en) |
CN (1) | CN101970926B (en) |
BR (1) | BRPI0815156B1 (en) |
CA (1) | CA2694991C (en) |
MX (1) | MX2010002092A (en) |
WO (1) | WO2009029170A1 (en) |
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US8644778B2 (en) | 2011-01-21 | 2014-02-04 | Nokia Corporation | Usage of measurement antenna transmitting communication signal for power adjustment in wireless device |
US9464812B2 (en) | 2012-10-29 | 2016-10-11 | Whirlpool Corporation | Gas supply module for burner with beaded gas supply tube |
USD770027S1 (en) * | 2015-06-30 | 2016-10-25 | Delta T Corporation | Fan |
US10118453B2 (en) * | 2015-12-01 | 2018-11-06 | Hendrickson Usa, L.L.C. | Damping air spring with staged openings |
USD847969S1 (en) * | 2016-01-04 | 2019-05-07 | Delta T, Llc | Fan canopy |
EP3441669B1 (en) * | 2017-08-08 | 2021-03-17 | Burner Systems International, Inc. | Improved orifice holder construction |
US11143410B1 (en) * | 2020-07-30 | 2021-10-12 | Copreci, S.Coop. | Holder assembly for a burner of a gas cooking appliance |
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- 2008-08-13 BR BRPI0815156-3A patent/BRPI0815156B1/en active IP Right Grant
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- 2008-08-13 EP EP08795312.1A patent/EP2183520B1/en active Active
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2011
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US20050246896A1 (en) * | 2004-04-28 | 2005-11-10 | Min Kyung G | Initial setting method of refrigerant entrance/exit (inlet/outlet) pipe onto header pipe for heat exchanger |
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US20080090192A1 (en) * | 2004-10-07 | 2008-04-17 | Bernard Dane | Gas Burner |
Also Published As
Publication number | Publication date |
---|---|
EP2183520A4 (en) | 2014-11-05 |
MX2010002092A (en) | 2010-03-26 |
CN101970926A (en) | 2011-02-09 |
EP2183520B1 (en) | 2018-07-11 |
BRPI0815156B1 (en) | 2019-07-09 |
CA2694991C (en) | 2015-10-13 |
EP2183520A1 (en) | 2010-05-12 |
BRPI0815156A2 (en) | 2015-03-31 |
CA2694991A1 (en) | 2009-03-05 |
US9726307B1 (en) | 2017-08-08 |
WO2009029170A1 (en) | 2009-03-05 |
US20090051165A1 (en) | 2009-02-26 |
CN101970926B (en) | 2016-01-13 |
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STCB | Information on status: application discontinuation |
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