Dart barrel
OwnerChia-Ching TSAIinventor
Life of this patent
Estimating the term…
Abstract
A dart barrel comprises a body with a predetermined length, the body is made of low hardness iron rod which is cheaper than copper, and the body has two free ends which are formed with a female threaded portion, respectively, for engaging with a tip and a shaft to form a complete dart. The surface of the barrel is treated with electroplating, blackening or anodizing. With above arrangements and treatment, the dart barrel is environment friendly and low toxic.
Claims15
A dart barrel comprising a body which is made of low hardness iron rod with a predetermined length, the body having two free ends, and on each of the head and end being formed a threaded portion, respectively.
A dart barrel comprising a body which is made of low hardness iron rod with a predetermined length, a plastic member with a larger length than the body being coated on a surface of the body, both ends of the plastic member extend out of both free ends of the body of the dart barrel and are processed to form a threaded portion, respectively.
Dependencies are inferred from the claim text.