Title: Technique for producing shell of lamp base from tube
Application Number: 96117515 Application Date: 1996.04.01
Publication Number: 1137168 Publication Date: 1996.12.03
Approval Pub. Date: Granted Pub. Date: 2000.04.26
International Classifi-cation: H01K1/42,H01K3/00
Applicant(s) Name: Chongqing Lamp Base Factory Address: 630030
Inventor(s) Name: Wen Gang, Wang Changlin
Attorney & Agent: LIU CHANGHUA
Abstract:
     A technology for producing lamp holder with tubular material includes cutting the tubular material into sections in defined length and one-pass shaping including extrusion, expanding and closing-in by means of punching machine and special mould for bayonet-type ones or one-pass rolling shaping by means of thread rolling machine for screw-type ones, and features less technological steps, high utilization rate of raw material and low cost.
Time: 19
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