Method of manufacturing biological water treatment contact mater

Details Method of manufacturing biological water treatment contact mater Method of manufacturing biological water treatment contact mater

1991-05-24

1992-11-03

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156167, 15624411, 15624418, 156271, 210150, 210615, C02F 304

Patent

active

051603950

ABSTRACT:
A plastic contact material is disclosed for the treatment of a liquid, comprising a plurality of strips made of a plastic material and wherein each of the strips has at least one tension element. A process is also disclosed for manufacturing a biological water treatment contact material made of a plurality of strips of a plastics material, which process comprises providing at least one strand at an elevated temperature, and applying the strand to a strip of plastic material while the strand is still at said elevated temperature.

REFERENCES:
patent: 3484513 (1969-12-01), Paoli
patent: 4418123 (1983-11-01), Bunnelle et al.
patent: 4422930 (1983-12-01), Hatonaka
patent: 4451362 (1984-05-01), Spelsberg
patent: 4717519 (1988-01-01), Sagami
patent: 4756942 (1988-07-01), Aichele
patent: 4758453 (1988-07-01), Challet et al.
patent: 4929484 (1990-05-01), Basse

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