Title:
O RING FOR VIBRATION PEN, AND VIBRATION PEN FOR MARKING DEVICE
Document Type and Number:
Japanese Patent JP2010105124
Kind Code:
A
Abstract:
To provide an O ring for a vibration pen, easy in visually determining its abrasion status.
The O ring 10 is provided at a sliding part between a cylinder chamber supplied with compressing air and a piston provided to be able to reciprocate in the cylinder chamber. The O ring 10 for a vibration pen is covered with a colored film 10b having a color different from a material of the O ring 10.
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Inventors:
MIYAKI SHOSUKE
Application Number:
JP2008279694A
Publication Date:
May 13, 2010
Filing Date:
October 30, 2008
Export Citation:
Assignee:
VECTOR CO LTD
International Classes:
B25H7/04; B43K1/10; B44B3/02
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama