US 2014/0231004 A1 · METHOD FOR PRODUCING DIALYSIS TANK CHAMBER FRAME

Abstract

There is provided a method for producing a chamber frame for a dialyzer, which is readily produced, has a stable quality, is inexpensive and is excellent in sealing property and heat resistance. A cut frame 1 is set on an unshown table of an impulse welder 30, distributors 13 are fitted into communicating passage 9 and communicating passages 11, and a net 15 is positioned so as to cover a central opening 3. Welded portions A and B, and the welded portions C and D are subjected to impulse welding. Mounting of the net 15 as a spacer and mounting of the distributors 13 are carried out simultaneously by a single pressing operation. After that, the welded portions of the net are deburred, and correction work is performed on defects.

Claims5

Dependent claims

A method for producing a chamber frame for a dialyzer, which includes a frame having a central opening serving as a flow path for a liquid to be treated, a liquid supply port and a liquid discharge port and made of a thermoplastic resin,

and a resin net welded into a peripheral part of the frame adjacent to the central opening;
comprising integrating the net to the frame with a width of not larger than 10 mm from an inner peripheral edge of the central opening at a heating temperature of 140° C. to 220° C. by impulse heat-welding.

Dependencies are inferred from the claim text.

Method for producing dialysis tank chamber frame

Life of this patent

Method for producing dialysis tank chamber frame

Life of this patent

Abstract

Claims5