Title: Cleaning process of copper tube for refrigerator
Application Number: 88102986 Application Date: 1988.05.21
Publication Number: 1037671 Publication Date: 1989.12.06
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B08B9/02,C23G1/10,F25D11/00
Applicant(s) Name: Ou Yang fa Address:
Inventor(s) Name:
Attorney & Agent: PAN GUANXIONG LI SHUHUI
Abstract:
     The cleaning process of copper tube for refrigerator is consisted of deoil, cleaning oxide, passivating dewatering, vacuum pumping and blowing nitrogen. After cleaning the cleanliness of copper tube is good and rust-free. The invention specially is suitable to cleaning of copper tube for refrigerator and cleaner copper tube.
Time: 7