A passive volatile dispensing device includes a housing having first and second curved walls and sidewalls between the curved walls. A volatile-bearing substrate is disposed within an internal cavity of the housing. The first and second curved walls each include at least one aperture and at least tw
A passive volatile dispensing device includes a housing having first and second curved walls and sidewalls between the curved walls. A volatile-bearing substrate is disposed within an internal cavity of the housing. The first and second curved walls each include at least one aperture and at least two opposing sidewalls include a vent therein.
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1. A passive volatile dispensing device, comprising: a housing having first and second curved walls and sidewalls therebetween; anda volatile-bearing substrate disposed within an internal cavity of the housing,wherein the first and second curved walls each include at least one aperture positioned re
1. A passive volatile dispensing device, comprising: a housing having first and second curved walls and sidewalls therebetween; anda volatile-bearing substrate disposed within an internal cavity of the housing,wherein the first and second curved walls each include at least one aperture positioned remotely from a non-peripheral region,wherein the sidewalls each include a vent therein, wherein each vent defines a continuous vent contour that is mirrored to a contour defined by the respective sidewall in which the vent is formed, andwherein the vents in the at least two opposing sidewalls and the internal cavity combine to form an airflow path through the housing and along the volatile-bearing substrate, and wherein the airflow path promotes emanation from the volatile-bearing substrate and the non-peripheral regions direct airflow along the airflow path. 2. The passive volatile dispensing device of claim 1, wherein the volatile-bearing substrate is provided with a curve. 3. The passive volatile dispensing device of claim 2, wherein the volatile-bearing substrate comprises a pre-curved substrate. 4. The passive volatile dispensing device of claim 2, wherein the first and second curved walls impart a complementary curvature on the volatile-bearing substrate. 5. The passive volatile dispensing device of claim 1, wherein the vents combine to form a peripheral vent that traverses the sidewalls and extends circumferentially about the housing. 6. The passive volatile dispensing device of claim 5, wherein the peripheral vent comprise a peripheral gap that extends substantially continuously about the sidewails of the housing. 7. The passive volatile dispensing device of claim 6, wherein the peripheral gap is between about 1 mm to about 10 mm wide. 8. The passive volatile dispensing device of claim 6, wherein the peripheral gap is offset from at least one edge of the volatile-bearing substrate. 9. The passive volatile dispensing device of claim 6, wherein the peripheral gap is aligned with at least one edge of the volatile-bearing substrate. 10. The passive volatile dispensing device of claim 1, wherein the volatile-bearing substrate comprises a flexible cellulosic substrate. 11. The passive volatile dispensing device of claim 1, wherein the first and second curved walls define an arcuate sidewall having a sidewall width x and a footprint width y such that y/x is from 1.5 to 2.5. 12. The passive volatile dispensing device of claim 1, wherein the volatile-bearing substrate comprises an active ingredient selected from an insecticide, an insect repellant, and an insect attractant. 13. A passive volatile dispensing device, comprising: a housing having sidewalls and first and second curved walls, wherein the first and second curved walls define an internal cavity therebetween;first and second substrate-retaining ribs extending through the internal cavity from the first and second curved walls, respectively, which are configured to secure a non-peripheral region of a volatile-bearing substrate; anda gap that traverses the sidewalls and extends circumferentially about the housing, wherein a continuous gap contour defined by the gap is mirrored to a contour defined by at least one of the sidewalls,wherein the housing defines a central region that corresponds with the non-peripheral region, and wherein the central region is perforated to a lesser degree than an outer region surrounding the central region to direct airflow along the non-peripheral region to promote emanation from the volatile-bearing substrate. 14. The passive volatile dispensing device of claim 13, wherein the first and second substrate retaining ribs are configured to secure a central region of a volatile-bearing substrate. 15. The passive volatile dispensing device of claim 13, further comprising a plurality of first and second substrate-retaining ribs configured to secure a non-peripheral region of a volatile-bearing substrate. 16. The passive volatile dispensing device of claim 15, further comprising a volatile-bearing substrate retained between the plurality of first and second substrate-retaining ribs. 17. The passive volatile dispensing device of claim 13, further comprising first and second peripheral substrate retaining ribs extending through the internal cavity from the first and second curved walls, respectively. 18. A passive volatile dispensing device, comprising: a housing having first and second curved walls and sidewalls therebetween: anda peripheral gap that extends about the sidewalls of the housing, wherein a continuous gap contour defined by the peripheral gap is mirrored to a contour defined by the respective sidewall along which the peripheral gap extends,wherein the first and second curved walls define an internal cavity therebetween for securing a volatile-bearing substrate therein, further wherein a central portion of at least one of the first and second curved walls has a surface area Ba that is perforated to a lesser degree than that of a peripheral region surrounding the central portion, andwherein the central portion directs airflow within the internal cavity along a curvature of the at least one first and second curved walls toward the peripheral region to promote emanation from the volatile-bearing substrate. 19. The passive volatile dispensing device of claim 18, wherein the surface area BA of the central portion is about zero percent to about 50 percent perforated. 20. The passive volatile dispensing device of claim 19, wherein the surface area BA is less than or equal to one quarter of the surface area SA of the respective first and second curved wall. 21. The passive volatile dispensing device of claim 5, wherein one or more brackets extend from an internal surface of at least one of the first curved wall and the second curved wall adjacent corners thereof, and wherein airflow through the peripheral vent is interrupted by the brackets. 22. The passive volatile dispensing device of claim 13, wherein one or more brackets extend from an internal surface of at least one of the first curved wall and the second curved wall adjacent corners thereof, and wherein airflow through the gap is interrupted by the brackets. 23. The passive volatile dispensing device of claim 18, wherein one or more brackets extend from an internal surface of at least one of the first curved wail and the second curved wall adjacent corners thereof, and wherein airflow through the peripheral gap is interrupted by the brackets.
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이 특허에 인용된 특허 (47)
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