Filtration component with microcapsule elements for respiratory protective device
AssigneeHoneywell Safety Products USA, Inc.
InventorsXiaojin Han, Hang Tian, Enyi Chen, Wei Shi, Hongbing Xiang
Life of this patent
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Abstract
A filtration component with microcapsule elements for respiratory protective devices is provided. In some examples, the filtration component includes a periphery wall element and a filter media element. In some examples, the periphery wall element comprises a plurality of microcapsules. In some examples, the filter media element is secured to an inner circumference surface of the periphery wall element.
Claims20
A filtration component for a respiratory protective device, the filtration component comprising:
- a periphery wall element comprising a plurality of microcapsules;
- and
- a filter media element secured to an inner circumference surface of the periphery wall element,
- wherein one or more of the plurality of microcapsules comprises a shell portion and a core portion,
- wherein the core portion is positioned within the shell portion, and
- wherein the core portion comprises a fragrance material.
A method for manufacturing a filtration component for a respiratory protective device, the method comprising:
- forming a plurality of microcapsules, wherein the each of the plurality of microcapsules comprises a shell portion and a core portion;
- forming the core portion based at least in part with a fragrance material;
- forming a resin mixture based at least in part on mixing the plurality of microcapsules with thermoplastic elastomer material;
- forming a mixture strip based at least in part on injecting the resin mixture into an extruder;
- and
- forming a periphery wall element of the filtration component based at least in part on molding the mixture strip in a mold.
Dependencies are inferred from the claim text.