Title:
HIDE SCREW
Document Type and Number:
Japanese Patent JP2003206917
Kind Code:
A
Abstract:
To realize close adhesion of objects conventionally prevented due to protrusion of a head of a screw after tightening the screw, and prevent danger in a place where a hand touches it.
A cutting edge for shaving iron is attached or welded to a back side of the head of the screw irrespective of large and small flat type tapping screws to shave an inlet of a screw hole widely and make a board and the head of the screw flat.
Inventors:
SAKURADA MITSUAKI
Application Number:
JP2002040810A
Publication Date:
July 25, 2003
Filing Date:
January 10, 2002
Export Citation:
Assignee:
SAKURADA MITSUAKI
International Classes:
F16B25/00; (IPC1-7): F16B25/00