Patent ID: 9541355
Date: 2017-01-10
CPC Classifications: F41J,Y10T

Claim:
1. A method of manufacturing a dartboard by grass stem, comprising the steps of: rolling and straightening a plurality of grass stems including branches and knots; binding the cut grass stems into a bundle; cutting the grass stems in a widthwise direction to produce a plurality of grass stem cakes; combining the plurality of grass stem cakes and pressing the grass stem cakes tightly to form a target body of the dartboard; fixing the target body on a surface of a backplane coated with an adhesive, an insect repellent and a preservative by a longitudinal compression method; trimming and flattening a predetermined target surface of the target body; performing a printing process of the predetermined target surface and heating and baking the predetermined target surface to remove moisture and vaporize the preservative and insect repellent to permeate into the target body; mounting a frame border around the target body before or after heating and baking; and installing a decorative object onto the predetermined target surface to complete manufacturing the dartboard.