Method and device for making mineral fiber felts

Details Method and device for making mineral fiber felts Method and device for making mineral fiber felts

2008-04-08

2008-04-08

Tentoni, Leo B. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Plural, intermittent pressure applying

C065S443000, C065S450000, C065S455000, C065S459000, C065S517000, C065S521000, C065S529000, C264S234000, C264S236000, C264S518000, C425S083100, C425S371000, C425S446000

Reexamination Certificate

active

10381199

ABSTRACT:
The subject of the invention is a unit for manufacturing felts (6) which are formed from crosslinked mineral fibers, comprising at least one pair of conveyors formed by a lower conveyor (11) and an upper conveyor (12) which are placed opposite each other and intended to compress said felt (6) in at least one direction, a means (13) for heat treating the felt (6) after it has passed through the conveyors (11, 12) comprising at least one means (14) placed between the conveyors (11, 12) and the heat treatment means (13), intended to prevent decompression of the felt (6) in this region, said means comprising at least one cam (14) having a profile suitable for keeping a constant and minimum distance between the conveyors (11, 12) and the heat treatment means (13), and in that at least one of the conveyors is rigidly connected to one element of the heat treatment means (13).

REFERENCES:
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patent: 0 498 276 (1992-08-01), None
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