Title:
The method, plant, and washer for washer manufacture
Document Type and Number:
Japanese Patent JP5996525
Kind Code:
B2
Abstract:
A method for producing metallic washers (1) for locking in bolted joints, a washer having an annular configuration and on one side (9) a pattern of radially extending cams (10) and on the other side having a pattern of radially extending teeth (3), the washers on at least the side (2) having the pattern of teeth having a surface with a hardness preferably exceeding the hardness of the material to interact with the washer pattern of teeth in a locking operation. The method is especially characterized in the steps of-coating a batch of washers (1) with a corrosion resistant outer surface layer (7), the hardness of which exceeding the hardness of the material (6) to interact with the washer pattern of teeth (3) in a locking operation. The present invention also relates to a washer and a plant.
Inventors:
Kut persson
Application Number:
JP2013506112A
Publication Date:
September 21, 2016
Filing Date:
April 15, 2011
Export Citation:
Assignee:
Node-Rock Arb
International Classes:
F16B43/00; C23C18/31; C23C18/32; F16B39/24
Domestic Patent References:
| JP3035314U | ||||
| JP6323325A | ||||
| JP2000205226A | ||||
| JP1266309A | ||||
| JP10233121A | ||||
| JP3240942A | ||||
| JP10302755A | ||||
| JP4304386A |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
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