Vent for a liquid container
AssigneeHewlett-Packard Development Company, L.P.
InventorsBoon Leng Chua, Sittampalam Paranan, Ping Siew Kwok, Swei Jen Wong
Life of this patent
Estimating the term…
Abstract
In one example, a sealable vent for an ink cartridge or other liquid container includes a recess having a sloping first wall and a removable cover covering the recess and sealing the vent.
Claims18
A sealable vent for a liquid container, the vent including a recess having a sloping first wall and a removable cover covering the recess and sealing the vent, a sloping part of the first wall intersecting a surface of the container into which the recess recedes at an angle substantially less than 90° measured between the sloping part of the wall and a plane of the surface.
A vent for a liquid container having a housing defining a chamber therein for storing liquid, the vent comprising:
- an opening through the housing and into the chamber;
- a recess in the housing completely spaced apart from the opening such that no part of the opening overlaps any part of the recess;
- and
- a channel extending from the recess to the opening;
- the recess including a first wall and a second wall opposite the first wall and one or both of:
- at least part of the first wall is sloped in a direction up and away from the second wall;
- and
- the recess comprises a quadrangular recess that also includes opposing third and fourth walls diverging from one another from the first wall to the second wall so that the recess is shaped like a truncated triangle.
An ink cartridge for an inkjet printer, comprising:
- a housing defining a chamber therein for storing ink;
- a vent through which air may pass into and out of the ink chamber, the vent having an opening through the housing into the ink chamber, a quadrangular recess in the housing, and a winding channel connecting the opening and the recess, the recess having a front wall and a rear wall, the channel intersecting the recess at the rear wall and the front wall sloping in a direction up and away from the rear wall;
- and
- an adhesive cover covering the opening.
Dependencies are inferred from the claim text.