Gas furnace for continuous heating of metal bars

(19)

(11)

EP 0 785 287 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	29.10.1997 Bulletin 1997/44

(43)	Date of publication A2:
	23.07.1997 Bulletin 1997/30

(21)	Application number: 96830580.5

(22)	Date of filing: 13.11.1996

(51)	International Patent Classification (IPC)⁶: C21D 9/00, F27B 9/00, F27D 23/02

(84)	Designated Contracting States:
	AT DE ES FR GB NL PT SE

(30)

Priority:

27.12.1995 IT TO951049

(71)	Applicant: Siem di Barbero & C. Sas
	10070 San Carlo Cavanese (Torino) (IT)

(72)	Inventor:
	Barbero, Renato I-10070 San Carlo Canavese (Torino) (IT)

(74)	Representative: Buzzi, Franco et al
	c/o Buzzi, Notaro & Antonielli d'Oulx Srl, Corso Fiume, 6 10133 Torino 10133 Torino (IT)

(54)	Gas furnace for continuous heating of metal bars

(57) A gas furnace (1) for continuous heating of metal bars (B), having a longitudinal heating tunnel (3) whose sole (5) is formed with longitudinal bottom apertures (7) for scale discharge, to which movable closure doors (10) are operatively associated. The bottom apertures (7) are downwardly tapered and the respective closure doors (10) may be motor-driven. The ceiling (6) of the heating tunnel (3) is upwardly tapered and communicates superiorly with lo-ngitudinal top openings (17) to which tiltable closure lids (18) are operatively associated. Gas burner lateral seats (23) are arranged along two superimposed and offset rows.

Search report