PRINTING LIQUID CONTAINER, PRINTING LIQUID FILLED CONTAINER, IMAGE FORMING APPARATUS AND PRINTING LIQUID FILLED CONTAINER MANUFACTURING METHOD

摘要

The present invention provides a printing liquid container, a printing liquid filled container, an image forming apparatus, and a printing liquid filled container manufacturing method that may enlarge the opening surface area in a seal membrane. Namely, the printing liquid container includes: a sealing membrane provided to a capping section for sealing an opening in the capping section; a contact portion formed in a central portion of the sealing membrane, the contact portion is contacted by a hole piercing tool for forming a hole in the sealing membrane; and a first rupture portion configured thinner than the sealing membrane and extending out from the contact portion to an outer peripheral portion of the sealing membrane.