Title:
BOLT AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP3436724
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent interference to screwing of a bolt due to paint film or spatter adhered to an internal threaded part when screwing the bolt on the internal threaded part.
SOLUTION: A complete thread 5A screwing to the internal threaded part is provided in a round bar shaped shaft part 3 of the bolt 1, and a thread cutting edge part 5B removing the paint film or the spatter adhered to the internal threaded part 7 is provided in a polygonal prism shaped prism part 4.
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Inventors:
Takashi Kato
Application Number:
JP2000084526A
Publication Date:
August 18, 2003
Filing Date:
March 24, 2000
Export Citation:
Assignee:
Maid Co., Ltd.
International Classes:
B21H3/02; B21K1/56; F16B33/02; F16B35/00; F16B35/04; F16B5/02; (IPC1-7): F16B35/04; B21H3/02; F16B35/00
Domestic Patent References:
| JP8338412A | ||||
| JP6313418A | ||||
| JP11151546A | ||||
| JP629736A | ||||
| JP61116215U |
Other References:
【文献】登録実用新案3016395(JP,U)
Attorney, Agent or Firm:
Tadao Usami