WILLIAM GREGORY ENGLERT
Pharmacy in New Kensington, PA
License number
Pennsylvania RP031737L
Category
Pharmacy
Type
Pharmacist
Address
Address
New Kensington, PA 15068
Professional information
Composite Seal For A Glass Forming Chamber
US Patent:
4045203, Aug 30, 1977
Filed:
Mar 26, 1976
Appl. No.:
5/670598
Inventors:
Mahesh C. Bhardwaj - Sarver PA
William J. Englert - New Kensington PA
William J. Englert - New Kensington PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C03B 1802
US Classification:
65182R
Abstract:
A composite seal comprising a resilient, compressible refractory material, preferably fibrous, sandwiched between two sheets of graphite or like material is placed between metal casing plates or coolers and refractory pieces, blocks or members disposed inside a glass forming chamber which contains a molten glass supporting metal that is in contact with at least some of such refractory pieces, blocks or members. The leakage, diffusion or transpiration or gases into the chamber is substantially reduced or eliminated.