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.

主权项

1. A printing liquid container comprising:
a container main body formed with an opening to fill a liquid for printing; a capping section connected to the opening; a sealing portion provided to the capping section to seal the opening; a contact portion formed at a central portion of the sealing portion and contacted by a hole piercing tool to pierce a hole in the sealing portion; a first rupture portion configured thinner than the sealing portion and extending from the contact portion to an outer peripheral portion of the sealing portion; and a rupture inducing guide portion formed at an outer periphery of the contact portion, configured thinner than the sealing portion, and connected to the first rupture portion to induce and guide rupturing of the first rupture portion.