Title:
HEATING FURNACE FOR CARBURIZING OR CARBONITRIDING
Document Type and Number:
WIPO Patent Application WO/2017/036053
Kind Code:
A1
Abstract:
Provided is a heating furnace for carburizing or carbonitriding, comprising a furnace body (7) and an entrance furnace gate (2) and an exit furnace gate (3) provided on the furnace body (7). The entrance furnace gate (2) and the exit furnace gate (3) are located at a feed end and a discharge end of the furnace body (7) respectively; a furnace gas circulation device (213) is provided in the furnace body (7); partition walls (214) with a through hole (211) are provided in the furnace body (7); multiple layers of carrier rollers (17) extending through the through holes (211) are provided from the feed end to the discharge end, and each layer of the carrier rollers (17) is connected to a respective driving device.
Inventors:
QI SHUNYIN (CN)
WEI CHANGFU (CN)
LI ZHENMING (CN)
WEI CHANGFU (CN)
LI ZHENMING (CN)
Application Number:
PCT/CN2016/000064
Publication Date:
March 09, 2017
Filing Date:
January 29, 2016
Export Citation:
Assignee:
TANGSHANG YAJIE MACHINERY LTD LIABILITY COMPANY (CN)
International Classes:
C23C8/20; C23C8/30
Foreign References:
| CN204849000U | 2015-12-09 | |||
| CN105063548A | 2015-11-18 | |||
| JPH11189858A | 1999-07-13 | |||
| EP1612291A1 | 2006-01-04 | |||
| JP2005120439A | 2005-05-12 | |||
| EP0168788A2 | 1986-01-22 | |||
| JP2003042664A | 2003-02-13 |
Attorney, Agent or Firm:
YONGHE PATENT AND TRADEMARK LAW OFFICE OF TANGSHAN (CN)
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