Patent ID: 11858184
Assignee: ANHUI YANGZI FLOORING INCORPORATED COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 17:
18. The production method according to claim 1, wherein in step 9, the paint is applied to the back surfaces of the floor blanks as follows: the back surfaces of the floor blanks are sanded, dust left on the back surfaces of the floor blanks due to sanding is absorbed, and a layer of transparent putty is coated evenly; the floor blanks are subjected to ultraviolet (UV) semi-curing, sanded with sandpaper, and coated with a high-hardness primer and an ordinary primer in sequence; and the floor blanks are subjected to UV semi-curing, sanded with 240-grit sandpaper, and coated with a colored putty and a transparent primer, wherein an amount of the paint applied is above 100 g/m2.