Patent ID: 11939136
Assignee: TOKUYAMA DENTAL CORPORATION
Field: Medical technology (Instruments)
Classification: CPC B  A | IPC A  B

Claim 4:
5. A method for manufacturing the composite liquid agent package according to claim 4, wherein the pillow flat bag comprises a lower end side heat-sealed section as the one end section, an upper end side heat-sealed section as the opposite end section and a back sealed section on a back surface of the pillow flat bap, and
the method comprises:
providing the plurality of liquid agent housing portions by:
continuously forming a tube with the heat-sealable laminated film or heat-sealable laminated sheet while continuously supplying the heat-sealable laminated film or heat-sealable laminated sheet;
heat-sealing both side ends of the heat-sealable laminated film or heat-sealable laminated sheet along a flow direction in which the heat-sealable laminated film or heat-sealable laminated sheet is supplied, to form the back sealed section, thereby forming a tubular body;
heat-sealing the tubular body in a direction orthogonal to the flow direction to form the lower end side heat-sealed section;
filling the liquid agent into the tubular body closed at the lower end side heat-sealed section;
after paying out the tubular body filled with the liquid agent by a predetermined length, heat-sealing the tubular body filled with the liquid agent again in the direction orthogonal to the flow direction to form the upper end side heat-sealed section; and
cutting off the pillow flat bag holding the liquid agent airtightly and liquidtightly; and then

joining the plurality of liquid agent housing portions by superposing all of the opposite end sections of the plurality of liquid agent housing portions, and heating and pressurizing superposed regions of all the opposite end sections overlapping, to extrude a part of the sealant, which constitutes the inner layer in the superposed region of each of the opposite end sections, outwardly from an extremity of the outer layer of each of the opposite end sections, while fusion-bonding together extended-out sealants formed from the extruded part of the sealant.