Dialyzer casing

Details Dialyzer casing Dialyzer casing

1978-04-12

1979-06-26

Hart, Charles N.

Liquid purification or separation

With repair or assembling means

210321B, 206449, 206597, 220 4E, 156 731, B01D 2502, B01D 3100, B29C 2704

Patent

active

041592506

ABSTRACT:
A dialysis device of the type including a stack of parallel membrane support plates and membranes. A casing encloses the top, bottom and two opposing sides of the stack with the casing formed of two plastic molded interchangeable parts. Each casing part comprises a base member and a pair of integrally formed arms extending from opposite sides of the base member. The two parts are connected so that the pair of arms extending from one base member is sonic welded to the other base member, enabling a pressure fit that is suited to the stack that is being enclosed by the casing.
Each base member includes hollowed-out portions defined by ribs with an overlying plate scan-welded thereto to form a sealed, rigid unit that is efficient to manufacture.

REFERENCES:
patent: 3111489 (1963-11-01), Getzin
patent: 3464562 (1969-09-01), Meyers et al.
patent: 3485902 (1969-12-01), Critchell
patent: 3805960 (1974-04-01), Butruille et al.
patent: 3962075 (1976-06-01), Fialkoff et al.
patent: 4039455 (1977-08-01), Bardin et al.

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