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Patent Searching and Data


Title:
METHOD FOR PRODUCING A COMPOSITE COATING
Document Type and Number:
WIPO Patent Application WO/2001/048266
Kind Code:
A1
Abstract:
The present invention relates to a method for producing a composite coating. The said method comprises steps of: cleaning the surface of a metal base workpiece; enclosing the workpiece with screen structure such as metal wire gauze, ceramic screen, or sponge foam screen; providing a sufficient space between the workpiece and the screen structure; supplying dispersed particles to the space; closing the inlet for supplying the particles; fixing the screen structure; and forming a composite coating, which consists of the dispersed particles, on the workpiece by hot working process such as hot-dipping brazing or hot spraying. Alternatively, the present invention provides a cast with a composite coating by casting melt metal in a cast mould, the said cast mould has a layer of dispersed particles held by a screen structure. Also, in order to improve the quality of the composite coating, the hot working process may be carried out in vacuum or under a protective atmosphere.

Inventors:
Pang, Xiumei (Mailbox 3 of 1053, Building 31-4-3 Tuanjie Distric, Huhehot City Inner Mongolia 6, 01007, CN)
Tan, Hongjian (Mailbox 3 of 1053, Building 31-4-3 Tuanjie Distric, Huhehot City Inner Mongolia 6, 01007, CN)
Application Number:
PCT/CN2000/000572
Publication Date:
July 05, 2001
Filing Date:
December 12, 2000
Export Citation:
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Assignee:
Pang, Xiumei (Mailbox 3 of 1053, Building 31-4-3 Tuanjie Distric, Huhehot City Inner Mongolia 6, 01007, CN)
Tan, Hongjian (Mailbox 3 of 1053, Building 31-4-3 Tuanjie Distric, Huhehot City Inner Mongolia 6, 01007, CN)
International Classes:
B22D19/08; B22D19/14; B23K1/00; C23C2/02; C23C4/02; C23C6/00; C23C24/08; C23C24/10; C23C26/00; C23C26/02; (IPC1-7): C23C24/08; B22D19/08; B22D19/14; B23K1/08; C23C2/02; C23C4/10; C23C24/10
Foreign References:
CN1019094A
CN1124786A1996-06-19
JPH09174199A1997-07-08
CN1066013A1992-11-11
CN1039747A1990-02-21
JPS60114537A1985-06-21
JPH10318038A1998-12-02
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (8th floor, 2 Fuchengmenwai Street, Beijing 7, 10003, CN)
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