US Patent 7654477 Pulverization process of a vulcanized rubber material
Patent 7654477 was granted and assigned to Pirelli on February, 2010 by the United States Patent and Trademark Office.
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Patent 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.
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US Patent 07654477 Pulverization process of a vulcanized rubber material US Patent 7654477 Pulverization process of a vulcanized rubber material
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Patent Number
0765447700
Patent Number
765447700
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076544770
Date of Patent
February 2, 2010
0Patent Application Number
105371720
Date Filed
October 14, 2003
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076544770
Date of Patent
February 2, 2010
0Patent Application Number
105371720
Date Filed
October 14, 2003
0Official Website
Patent Primary Examiner
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US Patent 07654477 Pulverization process of a vulcanized rubber material
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07654477
Date of patent
February 2, 2010
Patent application number
10537172
Date Filed
October 14, 2003
Patent primary examiner
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