Backup structure for a pipe for feeding a molten substance of hi

Details Backup structure for a pipe for feeding a molten substance of hi Backup structure for a pipe for feeding a molten substance of hi

1996-08-16

1998-12-22

Silverman, Stanley S.

Glass manufacturing

Molten glass dispensing means

Discharge orifice below melt level

65 325, 651349, 65325, 65375, 65495, 138106, 138107, 138119, 138149, C03B 528

Patent

active

058512586

ABSTRACT:
A backup structure for a pipe for feeding a molten substance of high temperature has a pipe and a thermal insulation material surrounding the pipe wherein the pipe is provided with a plurality of projections on its outer periphery at predetermined intervals, and each of the productions is held at its both sides by the thermal insulation material.

REFERENCES:
patent: 2962051 (1960-11-01), Burkes, Jr.
patent: 3519412 (1970-07-01), Olink
patent: 4951714 (1990-08-01), Detzel et al.
patent: 5316563 (1994-05-01), Ishimura et al.
Patent Abtracts of Japan, vol. 15, No. 163, Apr. 24, 1991, JP-A-03 033020, Feb. 13, 1991.
Patent Abtracts of Japan, vol. 17, No. 367, Jul. 12, 1993, JP-A-05 058646, Mar. 9, 1993.

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