CA2466408A1 - Plasma arc torch quick disconnect - Google Patents
Plasma arc torch quick disconnect Download PDFInfo
- Publication number
- CA2466408A1 CA2466408A1 CA002466408A CA2466408A CA2466408A1 CA 2466408 A1 CA2466408 A1 CA 2466408A1 CA 002466408 A CA002466408 A CA 002466408A CA 2466408 A CA2466408 A CA 2466408A CA 2466408 A1 CA2466408 A1 CA 2466408A1
- Authority
- CA
- Canada
- Prior art keywords
- housing
- socket
- plug housing
- secured
- socket housing
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/323—Combined coupling means, e.g. gas, electricity, water or the like
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3423—Connecting means, e.g. electrical connecting means or fluid connections
Abstract
A quick disconnect for use in a plasma arc torch is provided that comprises a plug housing and a mating socket housing, wherein a locking ring disposed around the plug housing secures the plug housing to the socket housing. A
negative lead gas carrying pin is disposed within the plug housing, and a mating main power socket is disposed within the socket housing for the purpose of conducting both gas and electricity from a power supply to a plasma arc torch. Further, the negative lead gas carrying pin and mating main power socket are positioned off-center in order to provide additional volume for a plurality of signal conductors disposed within each housing, along with a pilot return conductor. Additionally, both the plug housing and the socket housing define a D-configuration in order to properly align the housings and conductors disposed therein, among other novel features of the present invention.
negative lead gas carrying pin is disposed within the plug housing, and a mating main power socket is disposed within the socket housing for the purpose of conducting both gas and electricity from a power supply to a plasma arc torch. Further, the negative lead gas carrying pin and mating main power socket are positioned off-center in order to provide additional volume for a plurality of signal conductors disposed within each housing, along with a pilot return conductor. Additionally, both the plug housing and the socket housing define a D-configuration in order to properly align the housings and conductors disposed therein, among other novel features of the present invention.
Claims (44)
1. A quick disconnect for use in a plasma arc apparatus comprising:
a socket housing secured to a power supply;
a main power socket secured within the socket housing;
a plug housing secured to a torch lead;
a negative lead gas carrying pin secured within the plug housing;
a locking ring disposed around the plug housing;
a plurality of signal pins secured within the plug housing;
a plurality of signal sockets secured within the socket housing;
a pilot return pin secured within the plug housing; and a pilot return socket secured within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while the negative lead gas carrying pin and the main power socket are positioned off-center to provide additional volume for the signal pins and the pilot return pin.
a socket housing secured to a power supply;
a main power socket secured within the socket housing;
a plug housing secured to a torch lead;
a negative lead gas carrying pin secured within the plug housing;
a locking ring disposed around the plug housing;
a plurality of signal pins secured within the plug housing;
a plurality of signal sockets secured within the socket housing;
a pilot return pin secured within the plug housing; and a pilot return socket secured within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while the negative lead gas carrying pin and the main power socket are positioned off-center to provide additional volume for the signal pins and the pilot return pin.
2. The quick disconnect of Claim 1, wherein the negative lead gas carrying pin is recessed within the plug housing.
3. The quick disconnect of Claim 1, wherein the main power socket is recessed within the socket housing.
4. The quick disconnect of Claim 1, wherein the signal pins are recessed with the plug housing.
5. The quick disconnect of Claim 1, wherein the signal sockets are recessed within the socket housing.
6. The quick disconnect of Claim 1, wherein the pilot return pin is recessed within the plug housing.
7. The quick disconnect of Claim 1, wherein the pilot return socket is recessed within the socket housing.
8. The quick disconnect of Claim 1, wherein the plug housing and the socket housing define D-configurations to properly align the plug housing to the socket housing.
9. The quick disconnect of Claim 1 further comprising:
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween.
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween.
10. The quick disconnect of Claim 1, wherein the main power socket further comprises:
a plurality of fingers that engage the negative lead gas carrying pin, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pin.
a plurality of fingers that engage the negative lead gas carrying pin, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pin.
11. The quick disconnect of Claim 1, wherein the plug housing and the socket housing comprise a fiber-reinforced nylon material.
12. A connector comprising:
a socket housing defining a D-configuration;
a plug housing defining a D-configuration;
a plurality of electrical conductors secured within the socket housing and the plug housing;
a plurality of gas conductors secured within the socket housing and the plug housing, wherein the plurality of electrical conductors in the plug housing engage the plurality of electrical conductors in the socket housing, at least one gas conductor disposed within the plug housing engages at least one gas conductor disposed within the socket housing, the plug housing engages the socket housing, and the D-configurations align the plug housing to the socket housing for engagement thereof.
a socket housing defining a D-configuration;
a plug housing defining a D-configuration;
a plurality of electrical conductors secured within the socket housing and the plug housing;
a plurality of gas conductors secured within the socket housing and the plug housing, wherein the plurality of electrical conductors in the plug housing engage the plurality of electrical conductors in the socket housing, at least one gas conductor disposed within the plug housing engages at least one gas conductor disposed within the socket housing, the plug housing engages the socket housing, and the D-configurations align the plug housing to the socket housing for engagement thereof.
13. The connector of Claim 12 further comprising a locking ring disposed around the plug housing, wherein the locking ring engages the socket housing to secure the plug housing to the socket housing.
14. The connector of Claim 12, wherein the plurality of electrical conductors in the plug housing are recessed within the plug housing.
15. The connector of Claim 12, wherein the plurality of electrical conductors in the socket housing are recessed within the socket housing.
16. The connector of Claim 12, wherein at least one gas conductor in the plug housing is recessed within the plug housing.
17. The connector of Claim 12, wherein at least one gas conductor in the socket housing is recessed within the socket housing.
18. The connector of Claim 12 further comprising:
a signal pin shroud protruding from a distal end of the socket housing and disposed between the plurality of electrical conductors and gas conductors to provide a dielectric barrier therebetween.
a signal pin shroud protruding from a distal end of the socket housing and disposed between the plurality of electrical conductors and gas conductors to provide a dielectric barrier therebetween.
19. A quick disconnect for use in a plasma arc apparatus comprising:
a socket housing secured to a power supply and defining a D-configuration;
a main power socket recessed within the socket housing and positioned off-center;
a plug housing secured to a torch lead and defining a D-configuration;
a negative lead gas carrying pin recessed within the plug housing and positioned off-center;
a locking ring disposed around the plug housing;
a plurality of signal pins recessed within the plug housing;
a plurality of signal sockets recessed within the socket housing;
a pilot return pin recessed within the plug housing; and a pilot return socket recessed within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while D-configurations align the plug housing with the socket housing for engagement thereof.
a socket housing secured to a power supply and defining a D-configuration;
a main power socket recessed within the socket housing and positioned off-center;
a plug housing secured to a torch lead and defining a D-configuration;
a negative lead gas carrying pin recessed within the plug housing and positioned off-center;
a locking ring disposed around the plug housing;
a plurality of signal pins recessed within the plug housing;
a plurality of signal sockets recessed within the socket housing;
a pilot return pin recessed within the plug housing; and a pilot return socket recessed within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while D-configurations align the plug housing with the socket housing for engagement thereof.
20. The quick disconnect of Claim 19 further comprising:
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween.
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween.
21. The quick disconnect of Claim 19, wherein the main power socket further comprises:
a plurality of fingers that engage the negative lead gas carrying pin, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pin.
a plurality of fingers that engage the negative lead gas carrying pin, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pin.
22. The quick disconnect of Claim 19, wherein the plug housing and the socket housing comprise a fiber-reinforced nylon material.
23. A quick disconnect for use in a plasma arc apparatus comprising:
a socket housing secured to a power supply and defining a D-configuration;
a plurality of main power sockets recessed within the socket housing;
a plug housing secured to a torch lead and defining a D-configuration;
a plurality of negative lead gas carrying pins recessed within the plug housing;
a locking ring disposed around the plug housing;
a plurality of signal pins recessed within the plug housing;
a plurality of signal sockets recessed within the socket housing;
a pilot return pin recessed within the plug housing; and a pilot return socket recessed within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pins engage the main power sockets, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while D-configurations align the plug housing with the socket housing for engagement thereof.
a socket housing secured to a power supply and defining a D-configuration;
a plurality of main power sockets recessed within the socket housing;
a plug housing secured to a torch lead and defining a D-configuration;
a plurality of negative lead gas carrying pins recessed within the plug housing;
a locking ring disposed around the plug housing;
a plurality of signal pins recessed within the plug housing;
a plurality of signal sockets recessed within the socket housing;
a pilot return pin recessed within the plug housing; and a pilot return socket recessed within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pins engage the main power sockets, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while D-configurations align the plug housing with the socket housing for engagement thereof.
24. The quick disconnect of Claim 23 further comprising:
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the plurality of main power sockets to provide a dielectric barrier therebetween.
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the plurality of main power sockets to provide a dielectric barrier therebetween.
25. The quick disconnect of Claim 23, wherein the main power sockets further comprise:
a plurality of fingers that engage the negative lead gas carrying pins, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pins.
a plurality of fingers that engage the negative lead gas carrying pins, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pins.
26. The quick disconnect of Claim 23, wherein the plug housing and the socket housing comprise a fiber-reinforced nylon material.
27. A quick disconnect for use in a plasma arc apparatus comprising:
a socket housing secured to a power supply;
a main power socket secured within the socket housing, the main power socket comprising a plurality of fingers being separated by axial slots defining a length and a plurality of radial contact pads disposed at a proximal end of the main power socket;
a plug housing secured to a torch lead;
a negative lead gas carrying pin secured within the plug housing and engaged by the plurality of radial contact pads;
a locking ring disposed around the plug housing;
a plurality of signal pins secured within the plug housing;
a plurality of signal sockets secured within the socket housing;
a pilot return pin secured within the plug housing; and a pilot return socket secured within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, the locking ring engages the socket housing to secure the plug housing to the socket housing, and the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pin.
a socket housing secured to a power supply;
a main power socket secured within the socket housing, the main power socket comprising a plurality of fingers being separated by axial slots defining a length and a plurality of radial contact pads disposed at a proximal end of the main power socket;
a plug housing secured to a torch lead;
a negative lead gas carrying pin secured within the plug housing and engaged by the plurality of radial contact pads;
a locking ring disposed around the plug housing;
a plurality of signal pins secured within the plug housing;
a plurality of signal sockets secured within the socket housing;
a pilot return pin secured within the plug housing; and a pilot return socket secured within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, the locking ring engages the socket housing to secure the plug housing to the socket housing, and the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pin.
28. The quick disconnect of Claim 27, wherein the plug housing and the socket housing define D-configurations to properly align the plug housing to the socket housing.
29. The quick disconnect of Claim 27 further comprising:
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween.
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
and a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween.
30. A quick disconnect for use in a plasma arc apparatus comprising:
a socket housing secured to a power supply;
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween;
a main power socket secured within the socket housing;
a plug housing secured to a torch lead;
a negative lead gas carrying pin secured within the plug housing;
a locking ring disposed around the plug housing;
a plurality of signal pins secured within the plug housing;
a plurality of signal sockets secured within the socket housing;
a pilot return pin secured within the plug housing; and a pilot return socket secured within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, and the locking ring engages the socket housing to secure the plug housing to the socket housing.
a socket housing secured to a power supply;
a plurality of signal conductors secured to a distal end of the socket housing;
a pilot return conductor secured to the distal end of the socket housing;
a signal pin shroud protruding from the distal end of the socket housing and disposed between the plurality of signal conductors, the pilot return conductor, and the main power socket to provide a dielectric barrier therebetween;
a main power socket secured within the socket housing;
a plug housing secured to a torch lead;
a negative lead gas carrying pin secured within the plug housing;
a locking ring disposed around the plug housing;
a plurality of signal pins secured within the plug housing;
a plurality of signal sockets secured within the socket housing;
a pilot return pin secured within the plug housing; and a pilot return socket secured within the socket housing, wherein the signal pins engage the signal sockets, the pilot return pin engages the pilot return socket, the negative lead gas carrying pin engages the main power socket, and the locking ring engages the socket housing to secure the plug housing to the socket housing.
31. The quick disconnect of Claim 30, wherein the plug housing and the socket housing define D-configurations to properly align the plug housing to the socket housing.
32. The quick disconnect of Claim 30, wherein the main power socket further comprises a plurality of fingers that engage the negative lead gas carrying pins, the fingers being separated by axial slots defining a length; and a plurality of radial contact pads disposed at a proximal end of the main power socket, wherein the undercut reduces the required length of the axial slots to engage the negative lead gas carrying pins.
33. A plug housing for use in a quick disconnect for a plasma arc apparatus comprising:
a hollow internal channel positioned off-center the plug housing, wherein the plug housing defines a D-configuration to align the plug housing with a mating socket housing.
a hollow internal channel positioned off-center the plug housing, wherein the plug housing defines a D-configuration to align the plug housing with a mating socket housing.
34. The plug housing of Claim 33 further comprising a plurality of signal pin channels.
35. The plug housing of Claim 33 further comprising a pilot return channel.
36. A plug housing for use in a quick disconnect for a plasma arc apparatus comprising a hollow internal channel positioned off-center the plug housing to provide additional volume for fluid and electric conductors.
37. A plug housing for use in a quick disconnect for a plasma arc apparatus, wherein the plug housing defines a D-configuration to align the plug housing with a mating socket housing.
38. A socket housing for use in a quick disconnect for a plasma arc apparatus comprising:
a main power socket aperture positioned off-center the socket housing, wherein the socket housing defines a D-configuration to align the socket housing with a mating plug housing.
a main power socket aperture positioned off-center the socket housing, wherein the socket housing defines a D-configuration to align the socket housing with a mating plug housing.
39. The socket housing of Claim 38 further comprising a plurality of signal pin apertures.
40. The socket housing of Claim 38 further comprising a pilot return aperture.
41. A socket housing for use in a quick disconnect for a plasma arc apparatus comprising a main power socket aperture positioned off-center the socket housing to provide additional volume for fluid and electric conductors.
42. A socket housing for use in a quick disconnect for a plasma arc apparatus, wherein the socket housing defines a D-configuration to align the socket housing with a mating plug housing.
43. A connector comprising:
a socket housing;
a plug housing;
a locking ring disposed around the plug housing;
a main pin conducting both electricity and fluid secured within the plug housing;
a main power socket conducting both electricity and fluid secured within the socket housing; and a plurality of signal conductors, wherein the main pin engages the main power socket, the plug housing engages the socket housing, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while the main pin and the main power socket are positioned off-center to provide additional volume for the signal conductors.
a socket housing;
a plug housing;
a locking ring disposed around the plug housing;
a main pin conducting both electricity and fluid secured within the plug housing;
a main power socket conducting both electricity and fluid secured within the socket housing; and a plurality of signal conductors, wherein the main pin engages the main power socket, the plug housing engages the socket housing, and the locking ring engages the socket housing to secure the plug housing to the socket housing, while the main pin and the main power socket are positioned off-center to provide additional volume for the signal conductors.
44. The connector of Claim 43, wherein the plug housing and the socket housing define D-configurations to properly align the plug housing to the socket housing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/052,364 US6713711B2 (en) | 2001-11-09 | 2001-11-09 | Plasma arc torch quick disconnect |
| US10/052,364 | 2001-11-09 | ||
| PCT/US2002/036044 WO2003041459A2 (en) | 2001-11-09 | 2002-11-07 | Plasma arc torch quick disconnect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2466408A1 true CA2466408A1 (en) | 2003-05-15 |
| CA2466408C CA2466408C (en) | 2010-09-07 |
Family
ID=21977132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2466408A Expired - Lifetime CA2466408C (en) | 2001-11-09 | 2002-11-07 | Plasma arc torch quick disconnect |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6713711B2 (en) |
| EP (1) | EP1574117B1 (en) |
| AT (1) | ATE483547T1 (en) |
| AU (1) | AU2002360363B2 (en) |
| CA (1) | CA2466408C (en) |
| DE (1) | DE60237928D1 (en) |
| MX (1) | MXPA04004437A (en) |
| WO (1) | WO2003041459A2 (en) |
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2001
- 2001-11-09 US US10/052,364 patent/US6713711B2/en not_active Expired - Lifetime
-
2002
- 2002-11-07 DE DE60237928T patent/DE60237928D1/en not_active Expired - Lifetime
- 2002-11-07 CA CA2466408A patent/CA2466408C/en not_active Expired - Lifetime
- 2002-11-07 WO PCT/US2002/036044 patent/WO2003041459A2/en active IP Right Grant
- 2002-11-07 MX MXPA04004437A patent/MXPA04004437A/en active IP Right Grant
- 2002-11-07 AT AT02795614T patent/ATE483547T1/en not_active IP Right Cessation
- 2002-11-07 EP EP02795614A patent/EP1574117B1/en not_active Expired - Lifetime
- 2002-11-07 AU AU2002360363A patent/AU2002360363B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP1574117A4 (en) | 2008-03-19 |
| WO2003041459A2 (en) | 2003-05-15 |
| WO2003041459A3 (en) | 2005-12-22 |
| MXPA04004437A (en) | 2004-08-12 |
| ATE483547T1 (en) | 2010-10-15 |
| US20030100208A1 (en) | 2003-05-29 |
| EP1574117A2 (en) | 2005-09-14 |
| AU2002360363B2 (en) | 2007-04-05 |
| EP1574117B1 (en) | 2010-10-06 |
| US6713711B2 (en) | 2004-03-30 |
| CA2466408C (en) | 2010-09-07 |
| DE60237928D1 (en) | 2010-11-18 |
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