Process for the formation of fiber felt containing an additional

Details Process for the formation of fiber felt containing an additional Process for the formation of fiber felt containing an additional

1988-10-21

1990-08-21

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264518, 264116, 264118, B29C 6700

Patent

active

049504444

ABSTRACT:
The production of mineral fiber felt into which an additional product is introduced. The felt is made partly of freshly formed fibers and partly of recycled fibers which are conveyed into a receiving chamber in which the felt is formed. The additional product is introduced with the recycled fibers. One advantageous application includes applying a surface active agent to the recycled edges to form a supporting material for hydroponic culture.

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patent: 4022861 (1977-05-01), Levesque
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patent: 4359445 (1982-11-01), Kane et al.
patent: 4375448 (1983-03-01), Appel et al.
patent: 4396561 (1983-08-01), Liebert

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