Invention Grant
- Patent Title: Pulverization process of a vulcanized rubber material
- Patent Title (中): 硫化橡胶材料的粉碎工艺
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Application No.: US10537172Application Date: 2003-10-14
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Publication No.: US07654477B2Publication Date: 2010-02-02
- Inventor: Diego Tirelli , Michele Galbusera , Franco Peruzzotti , Cristiano Puppi , Stefano Testi , Antonio Monterosso , Matteo Di Biase
- Applicant: Diego Tirelli , Michele Galbusera , Franco Peruzzotti , Cristiano Puppi , Stefano Testi , Antonio Monterosso , Matteo Di Biase
- Applicant Address: IT Milan
- Assignee: Pirelli & C. S.p.A.
- Current Assignee: Pirelli & C. S.p.A.
- Current Assignee Address: IT Milan
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: WOPCT/EP02/13614 20021202
- International Application: PCT/EP03/11385 WO 20031014
- International Announcement: WO2004/050321 WO 20040617
- Main IPC: B02C23/06
- IPC: B02C23/06 ; C08J11/14 ; C08J3/12
Abstract:
A process for producing a rubber powder from a vulcanized rubber material by the steps of: a) feeding a grinding device with the vulcanized rubber material; b) contacting the vulcanized rubber material with at least one liquid coolant; c) introducing at least one grinding aid additive into the grinding device; d) operating the grinding device so as to grind the vulcanized rubber material to form a rubber powder, and e) discharging the rubber powder from the extruder.
Public/Granted literature
- US20060151643A1 Pulverization process of a vulcanized rubber material Public/Granted day:2006-07-13
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