微粉砕ゴムの製法 - Bridgestone Plant Engineering Co., Ltd.

Title:

微粉砕ゴムの製法

Document Type and Number:

Japanese Patent JP4565989

Kind Code:

B2

Abstract:

To provide a method for preparing a finely ground rubber, which does not suffer from worsened working efficiency and provides easy workability.

In the pre-grinding step, a rubber material as a raw material prepared by chipping waste rubber is processed into a finely crushed rubber. In the fine grinding step, the finely crushed rubber is first coarsely ground into a coarsely ground rubber while an antistick agent is added thereto, the coarsely ground rubber is then ground into a moderately ground rubber by moderate grinding, and the moderately ground rubber is finally finished into a finely ground rubber by means of a finish grinder. In the classification and recovery step, the finely ground rubber is classified into a product, at least part of which is recovered as a finely ground rubber product.

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Inventors:

Eiji Yano
Tetsuya Tomiyasu
Hideo Kunioku
Hiroki Tokui
Harukai Ikeda
Hideki Akimoto

Application Number:

JP2004368816A

Publication Date:

October 20, 2010

Filing Date:

December 21, 2004

Export Citation:

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Assignee:

Bridgestone Plant Engineering Co., Ltd.
Bridgestone Corporation
Kotobuki Sangyo Co., Ltd.

International Classes:

C08J3/12; B02C18/14; B02C18/18; B02C18/24; B02C21/00; B02C23/08; B29B13/10; B29B17/00; C08L21/00

Domestic Patent References:

JP2001315121A
JP53042277A
JP54052154A
JP9079550A
JP2006075711A

Attorney, Agent or Firm:

Susumu Kodaira

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