Title: Lock barrel and producing method thereof
Application Number: 200610027374 Application Date: 2006.06.07
Publication Number: 1888360 Publication Date: 2007.01.03
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: E05B15/00;E05B15/16;B21C1/16;B21D53/10;C23F17/00;C23G1/00;C23F3/03;C23C22/56;C23C22/84
Applicant(s) Name: Song Xuelin Address:
Inventor(s) Name: Song Xuelin
Attorney & Agent: chen huawen
Abstract:
    The present invention relates to a lock sleeve. It includes a sleeve which is made up by using aluminium alloy material through one-step operation process and whose one end is opened, on the described sleeve bottom and eccentric lock core hole is cut and a concave mark with product label is stamped, and in the transition place of the described sleeve bottom and sleeve body the recessed groove with reinforcing action can be stamped. Besides, said invention also provides its concrete production method and steps.
Time: 15