Inhaler with boundary element
AssigneePhilip Morris Products S.A.
InventorsJudith Waller, Masja Bertien Mooij
Life of this patent
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Abstract
An inhaler article (100) includes a body (110) extending along a longitudinal axis (LA) from a mouthpiece end (112) to a distal end (114). A capsule cavity (116) is defined within the body and extends along the longitudinal axis. A mouthpiece air channel (111) extends from the capsule cavity to the mouthpiece end. A boundary element (140) is located between the capsule cavity and the mouthpiece air channel. The boundary element includes at least two concentric rings of apertures (142, 144) fluidly connecting the capsule cavity with the mouthpiece air channel, wherein each of the inner apertures of the inner concentric ring has an open area less than each of the outer apertures of the outer concentric ring of apertures.
Claims20
An inhaler article comprising:
- a body extending along a longitudinal axis from a mouthpiece end to a distal end;
- a capsule cavity defined within the body and extending along the longitudinal axis;
- a capsule disposed within the capsule cavity;
- a mouthpiece air channel extending from the capsule cavity to the mouthpiece end;
- a boundary element between the capsule cavity and the mouthpiece air channel, the boundary element comprising at least two concentric rings of apertures fluidly connecting the capsule cavity with the mouthpiece air channel, a center region that coincides with the longitudinal axis, and a perimeter that contacts the body, and the center region is an aperture-free solid circular region co-planar with the perimeter;
- an outer concentric ring of apertures surrounds an inner concentric ring of apertures and each of the inner apertures of the inner concentric ring has an open area less than each of the outer apertures of the outer concentric ring of apertures.
Dependencies are inferred from the claim text.