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

Claim 14:
15. The production method according to claim 7, wherein in step 8, the mold is heated before the injection molding of the injection-molded locks of the floor blank; the cooling water in the upper molding plate is connected, and the electric heating tubes outside the straight flow channels and the curved flow channels are turned on; a temperature of the electric heating tubes and a temperature of the nozzle of the injection head are set to 220-230° C.; and when the temperature of the electric heating tubes outside the straight flow channels and the curved flow channels rises to 160° C., electric heating tubes outside the locking pin tubes are turned on and set to 220-230° C.