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

Claim 17:
18. An apparatus for making multi-layer meltblown mats comprising:
a first forming box comprising a first conveyor belt and a first meltblown head located above the first conveyor belt structured and arranged to deposit first meltblown fibers onto the first conveyor belt to form a first layer of meltblown fibers;
a second forming box comprising a second conveyor belt and a second meltblown head located above the second conveyor belt structured and arranged to deposit second meltblown fibers onto the second conveyor belt to form a second layer of meltblown fibers; and
opposed rollers adjacent the first forming box and the second forming box structured and arranged to receive and combine together the first layer of meltblown fibers from the first conveyor belt and the second layer of meltblown fibers from the second conveyor belt to thereby form combined meltblown layers comprising the first layer of meltblown fibers and the second layer of the meltblown fibers.