Title: Sealing cowleather ring
Application Number: 93110008 Application Date: 1993.01.06
Publication Number: 1089338 Publication Date: 1994.07.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B68F1/00,C14C13/02,F16J15/10,F16J15/18
Applicant(s) Name: Li Suqing Address: 110026
Inventor(s) Name:
Attorney & Agent: CUI HONGMEI
Abstract:
     A U-shaped cowhide leather sealing ring is made up through such step as blanking, immersion, moulding, shape fixation and trimming and features high temp., high pressure, oil and ageing resistances, long service life (about 5 years) and low cost.
Time: 8
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