Title:
VACUUM SINTERING FURNACE
Document Type and Number:
Japanese Patent JPH05222404
Kind Code:
A
Abstract:
PURPOSE: To unify the flow of gas in a retort housing treating articles in a vacuum sintering furnace.
CONSTITUTION: The portable retort 12 is placed together with pallets 11 on a hearth 8 provided in a heat insulating chamber 4 formed in a furnace shell 2. The retort 12 consists of a bottom plate 13 for supporting trays 31 of a multistage stack type carrying the treating articles 32 and a box body 14 which is partitioned by perforated plates 17 and 18 to a housing chamber 20, a gas feed chamber 21 and a discharge chamber 22 and opens downward. A gas feed pipe 25 for supplying the gas to the gas feed chamber 21 and a discharge pipe 26 for discharging the gas from the discharge chamber 22 are provided.
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Inventors:
NAKAMURA MASATOMO
MATSUO HIDEAKI
MATSUO HIDEAKI
Application Number:
JP5948292A
Publication Date:
August 31, 1993
Filing Date:
February 12, 1992
Export Citation:
Assignee:
DAIDO STEEL CO LTD
International Classes:
B22F3/10; F27B5/05; F27B17/00; (IPC1-7): B22F3/10; F27B5/05; F27B17/00
Attorney, Agent or Firm:
Masao Inui