DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

摘要

A developer accommodating unit for accommodating a developer includes: a flexible container provided with an opening for permitting discharge of the accommodated developer; a sealing member for sealing the opening and for exposing the opening by being moved in a direction crossing a longitudinal direction of the developer accommodating unit; an unsealing member, mounted to the sealing member, for moving the sealing member; a frame including a fixing portion for fixing the flexible container; and a bonding portion for bonding an end portion of the sealing member and a periphery of the opening. The bonding portion includes a projected portion or recessed portion in a plane of the bonding portion as at least a part thereof, in an upstream side or a downstream side of the opening with respect to an unsealing direction of the opening.

主权项

1. A developer accommodating unit for accommodating a developer, comprising:
a flexible container provided with an opening for permitting discharge of the accommodated developer; a sealing member for sealing the opening and for exposing the opening by being moved in a direction crossing a longitudinal direction of said developer accommodating unit; an unsealing member, mounted to said sealing member, for moving said sealing member; a frame including a fixing portion for fixing said flexible container; and a bonding portion for bonding an end portion of said sealing member and a periphery of the opening, wherein said bonding portion includes a projected portion or recessed portion in a plane of said bonding portion as at least a part thereof, in an upstream side or a downstream side of the opening with respect to an unsealing direction of the opening.