Apparatus for continuously producing pleated semipermeable membr

Details Apparatus for continuously producing pleated semipermeable membr Apparatus for continuously producing pleated semipermeable membr

1979-12-04

1981-09-08

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156204, B31F 134

Patent

active

042882788

ABSTRACT:
An apparatus comprising a mechanism for loosely folding a strip of assembly of a synthetic resin semipermeable membrane and a spacer in pleats of uniform or uneven width, and a mechanism for completely folding the folded portion of the assembly within a holding case. A plurality of such holding cases are utilized to prepare completely folded portions of assembly in succession as individually held in the cases to obtain pleated semipermeable membrane elements by a continuous operation.

REFERENCES:
patent: 2801671 (1957-08-01), Vaugh et al.
patent: 3262242 (1966-07-01), Godschaly
patent: 3269091 (1966-08-01), Martin
patent: 3805474 (1974-04-01), Gerstein
patent: 3957386 (1976-05-01), Lupke

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