Patent ID: 11890785
Assignee: COVESTRO LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC B  C  Y | IPC B  C

Claim 13:
14. A method of recycling a composite mining screen, the method comprising:
grinding the used composite mining screen according to claim 1 into polymer regrind particles;
coating a fibrous reinforcing material with a liquid polymer mixture;
pulling the fibrous reinforcing material with coating applied thereto through a pultrusion die;
cutting and curing the fibrous reinforcing material to form a new pultruded composite mining screen insert;
placing the new pultruded composite mining screen insert into a mining screen mold sized and shaped to receive the insert;
adding the polymer regrind particles to a cast elastomer solution;
filling the mining screen mold with the cast elastomer solution and encapsulating the new pultruded composite mining screen insert in the cast elastomer solution; and
curing the cast elastomer solution to form a new composite mining screen.