Patent ID: 11859322
Assignee: SPILLTECH ENVIRONMENTAL, INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC D  B | IPC B  D

Claim 25:
26. The apparatus for making multi-layer meltblown mats of claim 25, further comprising a fourth forming box located adjacent to the second conveyor belt comprising a fourth conveyor belt and a fourth meltblown head located above the fourth conveyor belt structured and arranged to deposit fourth meltblown fibers onto the fourth conveyor belt to form a fourth layer of the meltblown fibers, where the second layer of meltblown fibers is fed from the second conveyor belt to the fourth conveyor belt, and the fourth meltblown fibers are deposited onto the second layer of meltblown fibers on the second conveyor belt depositing fourth meltblown fibers onto a fourth conveyor belt to form a fourth layer of meltblown fibers, and feeding the fourth layer of meltblown fibers through the opposed rollers with the first layer of meltblown fibers, the second layer of meltblown fibers, and the third layer of meltblown fibers.