1461184049-0909cbbd-35b4-4a6b-87a6-df5f6328ed7b

1. An accumulator, comprising:
a housing having a first end;
a cap attached to the first end of the housing;
a first clamp attached to the cap;
an extendable member having a first end and a second end, the first end being attached to the first clamp, the extendable member being within the housing;
a second clamp attached to the second end of the extendable member;
a piston attached to the second clamp, wherein the piston slidably engages the housing;
wherein each of the first clamp and the second clamp comprise:
a plurality of clamping members, each clamping member comprising:
a body defining a flat surface for applying compression force;
a flange attached to the body, the flange defining a first opening for receiving a fastener therethrough, the flange defining a second opening for receiving an end of a fastener which is attached to another clamping member.
2. The accumulator of claim 1, wherein the plurality of clamping members comprise:
a first clamping member;
a second clamping member attached to the first clamping member by a fastener;
a third clamping member attached to the second clamping member by a fastener;
a fourth clamping member attached to the third clamping member by a fastener.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method for authenticating a user on a host computer to a web server, comprising:
establishing a security context by the web server; and
transferring the security context from the web server to a trusted network security device; and
delegating the security context to a browser plug-in on a host computer by:
establishing a secure channel of communication between the network security device and the browser plug-in on a host computer; and
authenticating the network security device by the browser plug-in on the host computer; and
in response the network security device authenticating the user on the host computer; and
establishing trust between the plug-in on the host computer and the network security device; and
transferring the security context securely from the network security device to the host computer.
2. The method for authenticating a user on a host computer to a web server of claim 1 wherein the security context is a SAML Assertion.
3. The method for authenticating a user on a host computer to a web server of claim 1 wherein the network security device is a smart card.
4. The method for authenticating a user on a host computer to a web server of claim 3 wherein the network smart card comprising secure communication with other computers on the network using standard mainstream network communication protocols like TCPIP and SSLTLS.
5. The method for authenticating a user on a host computer to a web server of claim 1 wherein the network smart card comprises:
storing a manufacturer issued X.509 certificate and the X.509 certificate is signed by a trusted Certificate Authority.
6. The method for authenticating a user on a host computer to a web server of claim 1 wherein the browser plug-in on the host computer comprises:
requesting the manufacturer issued X.509 certificate from the network smart card; and
in response authenticating the network smart card; and
sending the user credentials to the network smart card.
7. The method for authenticating a user on a host computer to a web server of claim 6 wherein the network smart card comprises:
receiving the user credential from the browser plug-in on the host computer; and
authenticating the user on the host computer; and
establishing trust between the network smart card and the browser plug-in; and
delegating security context by transferring the security context to the plug-in on the host computer; and
authenticating the user on the host computer to the web server.
8. The method for authenticating a user on a host computer to a web server of claim 7 wherein the browser plug-in on the host computer comprises:
receiving the delegated security context from the network smart card and;
establishing trust between the user on the host computer and the web server by using the security context; and
enabling the user on the host computer to access resources on the web server.
9. The method for authenticating a user on a host computer to a web server of claim 3 wherein the network security device is a smart card and the smart card is a slave device of the host computer.
10. The method for authenticating a user on a host computer to a web server of claim 9 wherein the smart card comprises:
establishing network connection to other computers on the network via the host computer; and
acquiring security context from the web server; and
delegating security context to the browser plug-in on the host computer; and
enabling user on the host computer to access resources on the web server.
11. The method for authenticating a user on a host computer to a web server of claim 3 wherein network security device is a smart card and the smart card providing network connection between the host computer and the web server.
12. The method for authenticating a user on a host computer to a web server of claim 11 wherein the smart card comprises:
establishing network connection to the web server; and
acquiring security context from the web server; and
delegating security context to the browser plug-in on the host computer; and
enabling user on the host computer to access resources on the web server.
13. A method for authenticating a user on a host computer to a web server, comprising:
establishing a security context by the web server; and
transferring the security context from the web server to a security device; and
delegating the security context to a browser plug-in on a host computer by:
establishing a secure channel of communication between the security device and the browser plug-in on a host computer; and
authenticating the security device by the browser plug-in on the host computer; and
in response the security device authenticating the user on the host computer; and
establishing trust between the plug-in on the host computer and the security device; and
transferring the security context securely from the security device to the host computer.
14. The method for authenticating a user on a host computer to a web server of claim 13 wherein the security context is a SAML Assertion.
15. The method for authenticating a user on a host computer to a web server of claim 13 wherein the security device is a conventional smart card.
16. The method for authenticating a user on a host computer to a web server of claim 13 wherein the smart card comprises:
storing a manufacturer issued X.509 certificate and the X.509 certificate is signed by a trusted Certificate Authority.
17. The method for authenticating a user on a host computer to a web server of claim 13 wherein the browser plug-in on the host computer comprises:
requesting the manufacturer issued X.509 certificate from the smart card; and
in response authenticating the smart card; and
sending the user credentials to the smart card.
18. The method for authenticating a user on a host computer to a web server of claim 17 wherein the smart card comprises:
receiving the user credential from the browser plug-in on the host computer; and
authenticating the user on the host computer; and
establishing trust between the smart card and the browser plug-in; and
delegating security context by transferring the security context to the plug-in on the host computer; and
authenticating the user on the host computer to the web server.
19. The method for authenticating a user on a host computer to a web server of claim 18 wherein the browser plug-in on the host computer comprising:
receiving the delegated security context from the smart card and;
establishing trust between the user on the host computer and the web server by using the security context; and
enabling the user on the host computer to access resources on the web server.

1461184038-788e0f3a-17a1-4517-b5a5-5b6477ec00cf

1. A method of continuously casting molten steel into a beam blank comprising a first flange portion, a second flange portion and a neck portion interconnecting the first and second flange portions, the method comprising:
providing a mold for the beam blank, the mold comprising a first flange-forming region, a second flange-forming region and a neck-forming region located between the first flange-forming region and the second flange-forming region;
introducing a first molten steel composition into the mold via a nozzle outlet disposed in the first flange-forming region of the mold and immersed in the first molten steel composition cast in the first flange-forming region of the mold;
placing a connecting rod within the second flange-forming region such that a substantial portion of the connecting rod is immersed in the first molten steel composition cast in the second flange-forming region of the mold;
introducing a second molten steel composition into the first flange-forming region of the mold so that the second molten steel composition is cast over the first molten steel composition cast in the mold and that the connecting rod is immersed in the second molten steel composition cast in the mold; and
cooling the first and second molten steel compositions to form the beam blank, which comprises the connecting rod in the second flange thereof.
2. The method of claim 1, wherein the outlet of the nozzle is open downward.
3. The method of claim 1, further comprising, prior to placing the connecting rod, removing mold powder.
4. The method of claim 1, wherein casting is performed without drawing a cast piece while the first molten steel composition stays in the mold prior to the introduction of the second molten steel composition.
5. The method of claim 4, wherein the rate of introducing the second molten steel composition into the mold ranges from 0.55 mmin to 0.7 mmin.
6. The method of claim 1, wherein the level of the first molten steel composition staying in the mold is maintained from 25% to 35% prior to the introduction of the second molten steel composition.
7. The method of claim 1, further comprising supplying mold powder to the mold, wherein the mold powder comprises CaO in an amount of 32.7\u02dc33.7 wt %, SiO2 in an amount of 29.3\u02dc30.3 wt %, Al2O3 in an amount of 8.90\u02dc9.90 wt %, Na2O in an amount of 1.8\u02dc2.8 wt %, F in an amount of 1.10\u02dc2.10 wt % and C in an amount of 15.6\u02dc16.6 wt %.
8. The method of claim 1, further comprising, prior to introducing the second molten steel composition, removing mold powder staying in the mold.
9. The method of claim 1, wherein the first molten steel composition is introduced from a first tundish, and the second molten steel composition is introduced from a second tundish, wherein the method further comprises replacing the first tunish with the second tundish comprising, prior to introducing the second molten steel, replacing tundishes.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A lubrication system for a natural gas compressor, in which a lubricant is periodically injected into the compressor cylinder through a check valve that prevents natural gas from entering the lubrication system, comprising:
a device positioned between the compressor cylinder and the check valve to maintain an oil seal to prevent natural gas from fouling the check valve, the device having a fill capacity that requires less than 10 cycles of a lubricant pressurization device to fill the fill capacity, the device further comprising two bores cut into a solid plug having a threaded end for attaching to the compressor cylinder, one bore leading to the compressor cylinder and the other bore leading to a threaded opening for attaching the check valve; and
wherein the lubricant pressurization device is in fluid communication with the device and supplies no more than 0.098 cm3 (0.006 cubic inches) of lubricant to the device each cycle.
2. The device of claim 1 in which the device includes a path for lubricant, the direction of the path changing within the device to trap oil between the check valve and the compressor within the path for lubricant.
3. The device of claim 1 in which the fill capacity requires less than 2 cycles of the lubricant pressurization device to fill the fill capacity.
4. The device of claim 1 in which the device has a fill capacity that requires less than 7 cycles of the lubricant pressurization device to fill the fill capacity.
5. The device of claim 1 in which the device has a fill capacity that requires less than 5 cycles of the lubricant pressurization device to fill the fill capacity.
6. The device of claim 1 in which the device has a fill capacity that requires less than 3 cycles of the lubricant pressurization device to fill the fill capacity.
7. An assembly for introducing lubricant into a natural gas compressor, comprising:
the device in accordance with claim 1; and
the check valve connected to an inlet bore of the device.
8. The assembly of claim 7 further comprising a divider block for distributing oil to the check valve.