Patent ID: 8409065

Claim:
A bag manufacturing and packaging apparatus adapted to form a strip film into a cylindrical film, the bag manufacturing and packaging apparatus comprising: a sealing unit with a pair of sealing members facing each other to seal an end portion of the cylindrical film therebetween to package an article, each of the sealing members including a sealing jaw having a heat generating surface and an elongated recess with open ends, the sealing jaw being configured and arranged to seal the cylindrical film on the heat generating surface, a prismatic-shaped heater embedded in the sealing jaw such that three surfaces of the prismatic-shaped heater contact corresponding surfaces of the elongated recess of the sealing jaw with opposing end surfaces of the heater being exposed at corresponding open ends of the elongated recess, the heating being configured and arranged to heat the heat generating surface of the sealing jaw, and a heat insulating member contacts and covers another surface of the heater, the heat insulating member insulating heat conduction from the heater to a direction other than a direction toward the heat generating surface of the sealing jaw, the sealing jaw and the heat insulating member being connected together.