Title: Manufacturing method of helmet
Application Number: 200510013279 Application Date: 2005.04.06
Publication Number: 1686025 Publication Date: 2005.10.26
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A42C1/00
Applicant(s) Name: Wang Wenxiang Address: 300202
Inventor(s) Name: Chen Tie, Sun Zhiying
Attorney & Agent: li feng
Abstract:
     A technology for making the safety helmet includes proportionally mixing rubber with short fibres, sulfurizing agent and additive, stirring, cooling, heating while stirring, calendering to obtain the sheets, cutting according to needed shape and sizes, die pressing while sulfurizing, secondary sulfurizing and assembling. Its advantages are light weight, precise sizes, and high strength.
Time: 26
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