A sealing device includes a frame member having an opening portion, an engaging portion with which a first portion of the bag-shaped film body is engaged, and a heater unit; a moving member having an attaching portion to which a second portion of the bag-shaped film body is attached and a heater receiving portion; and a handle member that is slidably inserted in the frame member and coupled to the moving member. The moving member is arranged so as to be movable in the opening portion toward the engaging portion, and the heater unit and the heater receiving portion are configured to clamp the bag-shaped film body and heat and seal it in a state in which the moving member is moved to the vicinity of the engaging portion by the handle member.

A sealing device includes a frame member having an opening portion, an engaging portion with which a first portion of the bag-shaped film body is engaged, and a heater unit; a moving member having an attaching portion to which a second portion of the bag-shaped film body is attached and a heater receiving portion; and a handle member that is slidably inserted in the frame member and coupled to the moving member. The moving member is arranged so as to be movable in the opening portion toward the engaging portion, and the heater unit and the heater receiving portion are configured to clamp the bag-shaped film body and heat and seal it in a state in which the moving member is moved to the vicinity of the engaging portion by the handle member.

A sealing device includes a frame member having an opening portion, an engaging portion with which a first portion of the bag-shaped film body is engaged, and a heater unit; a moving member having an attaching portion to which a second portion of the bag-shaped film body is attached and a heater receiving portion; and a handle member that is slidably inserted in the frame member and coupled to the moving member. The moving member is arranged so as to be movable in the opening portion toward the engaging portion, and the heater unit and the heater receiving portion are configured to clamp the bag-shaped film body and heat and seal it in a state in which the moving member is moved to the vicinity of the engaging portion by the handle member.

A sealing device includes a frame member having an opening portion, an engaging portion with which a first portion of the bag-shaped film body is engaged, and a heater unit; a moving member having an attaching portion to which a second portion of the bag-shaped film body is attached and a heater receiving portion; and a handle member that is slidably inserted in the frame member and coupled to the moving member. The moving member is arranged so as to be movable in the opening portion toward the engaging portion, and the heater unit and the heater receiving portion are configured to clamp the bag-shaped film body and heat and seal it in a state in which the moving member is moved to the vicinity of the engaging portion by the handle member.