Title:
工作物にローレットを切るための方法および装置、そのような工作物を備えた品を成形する方法、およびそのような成形品
Document Type and Number:
Japanese Patent JP4179749
Kind Code:
B2
Abstract:
A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal axis while maintaining the knurl wheel point of contact on the longitudinal axis. The apparatus also includes a knurling wheel that includes teeth of at least two different configurations. Also disclosed is a method of molding a molded article with the knurled workpiece to impart the inverse of the knurl pattern onto the molded article, such a molded article, a method of forming a structured abrasive article with the molded article, and such an abrasive article.
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Inventors:
Timothy El Hoopman
Application Number:
JP2000508516A
Publication Date:
November 12, 2008
Filing Date:
January 09, 1998
Export Citation:
Assignee:
3M COMPANY
International Classes:
B23B5/48; B23B27/24; B24D11/00; B24D18/00
Domestic Patent References:
JP9502665A | ||||
JP5053748U |
Foreign References:
WO1997012727A1 |
Attorney, Agent or Firm:
Takuji Yamada
Mitsuo Tanaka
Mitsuo Tanaka