Back to results
US 8,944,735 B2Granted
Sealer, fastener, bolt and method of fabricating bolt
AssigneesFuji Engineering Co., Ltd., Fujigiken Co., Ltd., West Nippon Expressway Company Limited
InventorsMasanobu Sugimoto, Yasuo Murayama, Kenichi Yamada, Yasutoshi Yamada
Life of this patent
Estimating the term…
Abstract
The invention provides a sealer to be used for a bolt including a sprayed preservative coating coated onto at least a threaded portion. The sealer contains a wax therein in the range of 1 to 10 mass % both inclusive.
Claims2
A fastener to be fastened to an object including a sprayed preservative coating, said fastener comprising:
- a bolt entirely coated with a sprayed preservative coating, at least a threaded portion of said bolt being sealed with a sealer containing a wax therein in the range of 1 to 10 mass %, both inclusive;
- and
- a nut to be fastened to said threaded portion of said bolt with the object being sandwiched between a head portion of said bolt and said nut, said nut being coated with a sprayed preservative coating at portions except an inner threaded portion and a surface at which said nut is to make contact with the object.
Dependencies are inferred from the claim text.