Patent ID: 11963610
Assignee: PROJECT NOAH, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC A  B | IPC A  B

Claim 0:
1. A method of manufacturing a bamboo toothbrush, the method comprising steps of:
a) CNC machining of machining a rod-shaped bamboo into a toothbrush stem shape; and
b) hot pressing of inserting, heating, and pressing the machined bamboo in a press mold,
wherein the heating and pressing in the step b) have conditions of temperature of 100° C. to 220° C., time of 5 minutes to 60 minutes, and pressure of 0.2 MPa to 10 MPa, and
a coating layer is formed on the surface of the bamboo by caramelization of a sugar content in the bamboo under the conditions.