Cartridge and cartridge reuse method, the cartridge including an absorber retaining a liquid, a tank holding the absorber, and a lid joined to the tank and open to atmosphere

Abstract

A cartridge including an absorber to retain a liquid, a tank having an opening and including an absorber chamber to hold the absorber therewithin, a lid member joined to the tank opening having an air communication port communicating with atmosphere, and a partition member between the lid member and the absorber inside the absorber chamber, the partition member in contact with the absorber. The lid member includes a first protrusion protruding toward the partition member, the first protrusion surrounding the air communication port, the partition member including a groove to be connected to the absorber chamber and a second protrusion to face the first protrusion, and a communication path communicating with the air communication port formed between the first protrusion and the second protrusion, a first buffer chamber formed with a first lid member wall rib and a first partition member wall rib brought into contact with each other.