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Class Information
Number: 65/494
Name: Glass manufacturing > Fiber making apparatus > With means to form hollow fiber or preform
Description: Apparatus having means to produce a fiber or preform with an empty core or cavity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7533543 |
Reinforcing device for bushing used to produce filaments, such as glass-based filaments |
May. 19, 2009 |
| 7003984 |
Hybrid manufacturing process for optical fibers |
Feb. 28, 2006 |
| 6813909 |
Reinforcement member for a bushing tip plate and related method |
Nov. 9, 2004 |
| 5674307 |
Hollow mineral fibers using rotary process |
Oct. 7, 1997 |
| 5647883 |
Apparatus for making hollow multi-component insulation fibers |
Jul. 15, 1997 |
| 4941904 |
Method and apparatus for forming hollow fibers |
Jul. 17, 1990 |
| 4846864 |
Method and apparatus for producing hollow glass filaments |
Jul. 11, 1989 |
| 4758259 |
Hollow glass fiber bushing, method of making hollow fibers and the hollow glass fibers made by that method |
Jul. 19, 1988 |
| 4735642 |
Hollow glass fiber bushing assembly |
Apr. 5, 1988 |
| 4704149 |
Hollow fiber bushing tip |
Nov. 3, 1987 |
| 4698082 |
Hollow fiber bushing and hollow fiber tip construction |
Oct. 6, 1987 |
| 4372771 |
Methods and apparatus for extruding articles |
Feb. 8, 1983 |
| 4131447 |
Crucible for the production of single-material light-guiding fibers |
Dec. 26, 1978 |
| 4050915 |
Ferrule and use thereof for cooling a melt spun hollow glass fiber as it emerges from a spinnerette |
Sep. 27, 1977 |
| 4042359 |
Process for production of porous glass membrane tubes |
Aug. 16, 1977 |
| 4022603 |
Device for manufacturing hollow profiled bodies by extrusion |
May. 10, 1977 |
| 3979637 |
Microchannel plates and method of making same |
Sep. 7, 1976 |
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