发明名称 Buffing ball made of foam material
摘要 A buffing and polishing ball made of a compressible polymeric foam material is formed by slitting a body of foam material in a substantially uncompressed state (1) from an outside surface of the body in a direction generally perpendicular to the rotational axis and (2) on circumferentially spaced planes that extend generally radially from the outside surface of the body to define a plurality of foam fingers. A fastening system is used to compress and hold a center portion of the foam body in a direction along the rotational axis such that the uncompressed outer ends of the finger assume a generally spherical ball.
申请公布号 US7203989(B2) 申请公布日期 2007.04.17
申请号 US20040927208 申请日期 2004.08.26
申请人 LAKE COUNTRY MANUFACTURING, INC. 发明人 MCLAIN SCOTT S.
分类号 A47L13/16;A46B13/00;B24B29/00;B24D11/00;B24D13/00;B24D13/12;B60S3/06 主分类号 A47L13/16
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