Back to results
US 12,722,384 B2Granted
Liquid ejection head
AssigneeCanon Kabushiki Kaisha
InventorsMakoto Watanabe, Junichiro Iri
Life of this patent
Estimating the term…
Abstract
A liquid ejection head, having an ejection port surface that includes an ejection port from which liquid is to be ejected, includes a protective tape. The protective tape is attached to the ejection port surface to block the ejection port. The protective tape includes at least a base material and an adhesive agent. The adhesive agent has a slit extending to an end portion of the protective tape, and the slit communicates with the atmosphere.
Claims16
A liquid ejection head having an ejection port surface that includes an ejection port from which liquid is to be ejected, the liquid ejection head comprising:
- a protective tape attached to the ejection port surface to block the ejection port,
- wherein the protective tape includes at least a base material and an adhesive agent, where the adhesive agent has a slit extending to an end portion of the protective tape, and the slit communicates with the atmosphere.
Dependencies are inferred from the claim text.