Claims
- 1. A method for sealing gas inlet ports for delivering a process gas in a CVD/CVI furnace, said method comprising:
positioning flow direction nozzles along upper lips of said gas inlet ports; loading a CVD/CVI process apparatus having a plurality of gas inlet holes into said furnace; sealingly engaging the flow direction nozzles to said gas inlet holes of said process apparatus to create a gas-path directing, fluid seal.
- 2. The method according to claim 1, wherein the CVD/CVI process apparatus is a hearth plate having hearth plate holes, and the CVD/CVI process is a densification process for carbon fiber based brakes.
- 3. The method according to claim 1, further comprising the step of:
replacing the flow direction nozzles with replacement flow direction nozzles as the flow direction nozzles become damaged or worn.
- 4. The method according to claim 1, wherein the flow direction nozzles are annular shaped collars made of graphite.
TECHNICAL FIELD AND INDUSTRIAL APPLICABILITY OF THE INVENTION
[0001] This application is a divisional of co-pending U.S. application Ser. No. 09/874,653 filed Jun. 5, 2001 the entire contents of which are herein incorporated by reference.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09874653 |
Jun 2001 |
US |
Child |
10849273 |
May 2004 |
US |