EP 0079730 A1 19830525 - Furnace muffles.
Title (en)
Furnace muffles.
Title (de)
Ofenmuffel.
Title (fr)
Moufles pour four.
Publication
Application
Priority
GB 8133948 A 19811110
Abstract (en)
A furnace muffle (6) comprising a hollow ceramic fibrous support member (8), an open channel (9) defined in the inside surface of said support member (8), and a heating element (10) loosely disposed in said channel (9). The said heating element (10) is prevented from moving out of the said channel (9) by means of a glazed quartz cristal tube (11) of low thermal impedance material located in a facing relationship to the said inside surface of the support (8).
IPC 1-7
IPC 8 full level
F27B 5/14 (2006.01); F27B 17/02 (2006.01); F27D 11/02 (2006.01); H05B 3/66 (2006.01)
CPC (source: EP)
F27B 5/14 (2013.01); F27B 17/02 (2013.01); F27D 11/02 (2013.01); H05B 3/66 (2013.01)
Citation (search report)
- [X] US 4272670 A 19810609 - DOCX ALBERT G
- [Y] US 3406242 A 19681015 - LANG KARL A
- [Y] US 3972682 A 19760803 - STEPHENS THOMAS M, et al
- [Y] GB 1441577 A 19760707 - DOCX A G
- [A] AU 20691 B
- [A] FR 1390876 A 19650226
- [A] DE 1294600 B 19690508 - INST ZIEGELFORSCHUNG ESSEN E V
Designated contracting state (EPC)
CH DE FR GB IT LI SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 82305883 A 19821104