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Class Information
Number: 65/DIG.9
Name: Glass manufacturing > Tube
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7454925 Method of forming a glass melt Nov. 25, 2008
7003985 Method and apparatus for removing polymeric coatings from optical fiber in a non-oxidizing environment Feb. 28, 2006
7003984 Hybrid manufacturing process for optical fibers Feb. 28, 2006
6810691 Method for making glass tubing with multiple bores Nov. 2, 2004
6789398 Mold incorporating a heat source and apparatus and method for using such molds Sep. 14, 2004
6766662 Method of manufacturing glass parts for connecting optical fibers, and glass parts for connecting optical fibers manufactured using the methods Jul. 27, 2004
6595029 Process for devices for the production of internally-hardened glass tubes as well as their use Jul. 22, 2003
6484540 Method for welding a quartz glass tube for use as an optical fiber preform Nov. 26, 2002
6363750 Automatic pipette puller and forge Apr. 2, 2002
6209353 Method for producing an object having a flange and apparatus therefor Apr. 3, 2001
5922099 Apparatus and method for fabricating tube-shaped glass monolith using sol-gel process Jul. 13, 1999
5824130 Apparatus for manufacturing spiral fluorescent tube Oct. 20, 1998
5788733 Device for the shaping of glass tubes Aug. 4, 1998
5779753 Method of and apparatus for treating a solid workpiece, especially a glass tube Jul. 14, 1998
5766295 Method of manufacturing a spiral fluorescent tube Jun. 16, 1998
5683483 Manufacturing method and equipment for large, high-purity flat or curved quartz glass plate Nov. 4, 1997
5585173 High-purity, opaque quartz glass, method for producing same and use thereof Dec. 17, 1996
5464462 Method of making a quartz glass tube having a reduced ultraviolet radiation transmissivity Nov. 7, 1995
5364432 Method for producing a composite glass body with drawing of concentric melts Nov. 15, 1994
5152816 Method of enlarging end of capillary tube bore Oct. 6, 1992
5112376 Process and apparatus for the outer calibration of sections of glass tube May. 12, 1992
4923497 Method for the continuous production of a tube or rod of vitreous fused silica May. 8, 1990
4827905 Outer glass pipes for solar heat collector pipes May. 9, 1989
4530378 Composite tubular body Jul. 23, 1985
4157909 Apparatus for forming mercury-filled capillary tubes Jun. 12, 1979
4020896 Ceramic structural material May. 3, 1977
3976740 Method of forming a thermometer structure Aug. 24, 1976











 
 
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