Glass tubing

Details Glass tubing Glass tubing

1996-07-16

1997-11-25

Speer, Timothy

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 346, B32B 1300

Patent

active

056910134

ABSTRACT:
Glass tubing that utilizes silica-titania glass as material for the tubing. The tubing of the invention can be formed of a single layer of silica-titania glass or the tubing can be formed in layers, with an outer layer of silica-titania glass and an inner layer of silica glass. The tubing can also be formed with an inner layer of silica-titania glass covered by a layer of silica glass, or the tubing can be formed with three layers, an inner layer and an outer layer of silica-titania glass sandwiching a layer of silica glass. In all embodiments, the resulting tubing has improved mechanical strength or improved chemical durability or both making the tubing useful in a variety of medical and industrial applications.

REFERENCES:
patent: 4278632 (1981-07-01), Yoldas
patent: 4421803 (1983-12-01), Czeiler
patent: 4437727 (1984-03-01), Treber
patent: 4812344 (1989-03-01), Jaeger
patent: 4882209 (1989-11-01), Maruyama

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