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US 12,746,351 B2Granted
High barrier powder capsule
AssigneePhilip Morris Products S.A.
InventorsRoss Lange, Cristian Neagu, Cesare Lorenzetti
Life of this patent
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Abstract
A capsule article (100) includes a polymeric body (110) extending along a longitudinal axis from a first end to a second end and defining a capsule cavity (105) containing powder, and a metal foil (120) and a sealant layer (130) covering an outer surface of the polymeric body. A method of forming a hermetic capsule includes the steps of wrapping a capsule, with a metal foil; and enclosing the capsule with a sealant layer to form a hermetic barrier enclosing the capsule.
Claims16
A capsule article comprising:
- a polymeric body extending along a longitudinal axis from a first end to a second end and defining a capsule cavity containing powder;
- and
- a metal foil;
- and
- a sealant layer;
- wherein at least one of the sealant layer and the metal foil is disposed directly on and contacting an outer surface of the polymeric body and completely covers the outer surface of the polymeric body,
- wherein the sealant layer and the metal foil cooperate to form a hermetic barrier enclosing the polymeric body or the capsule cavity.
4 more elements
Dependencies are inferred from the claim text.