Passive emission fragrance diffuser for personal use

A passive emission fragrance diffuser for personal use, comprising:

• (a) an outer tubular body having a length and opposite first and second open ends;
• (b) a piston member positioned within said tubular body and being moveable therein along an axis extending between said first and second open ends, said piston member being longer than said tubular body;
• (c) a first circumferential seal being integrally formed with said piston member adjacent a first piston end and a second circumferential seal being integrally formed with said piston member adjacent a second piston end, wherein the distance between said first circumferential seal and said second circumferential seal is less than said length of said tubular body;
• (d) said piston member being moveable within said tubular body between a closed position where said first circumferential seal and said second circumferential seal engage and fluidly seal against an inner surface of said tubular body, and an open position where said first circumferential seal breaks engagement with said inner surface of said tubular body and releases its fluid seal thereagainst;
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• (e) a fragrance carrier member being retained by said piston member between said first circumferential seal and said second circumferential seal, such that when said piston member is in said closed position, the fragrance from said fragrance carrier member is sealed within said tubular body, and when said piston member is in said open position, the fragrance from said fragrance carrier member is exposed to ambient air outside said tubular body and allowed to passively emit its fragrance thereto.

A method of selectively delivering a passive fragrance emission from a fragrance diffuser to a surrounding environment, comprising the steps of:

• (a) providing an outer tubular body having a length and opposite first and second open ends with an axis extending therebetween;
• (b) providing a piston member for telescopic insertion within said tubular body which is longer than said tubular body, said piston member being slidable within said tubular body and having a first circumferential fluid seal formed integrally therewith between said piston member and said tubular body adjacent a first piston end and a second circumferential fluid seal formed integrally therewith between said piston member and said tubular body adjacent a second piston end, wherein the distance between said first circumferential fluid seal and said second circumferential fluid seal is less than said length of said tubular body;
• (c) providing a fragrance carrier member to be retained within said tubular body between said first circumferential fluid seal and said second circumferential fluid seal of said piston member;
• (d) inserting said piston member and said fragrance carrier member within said tubular body through one of said first and said second open ends thereof, with said fragrance carrier member positioned between said first circumferential fluid seal and said second circumferential fluid seal of said piston member, and with said first circumferential fluid seal and said second circumferential fluid seal of said piston member in fluidly sealed engagement against an inner surface of said tubular body;
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• (e) selectively pressing on said second piston end to move said piston member axially within said tubular body to an open position which releases said first circumferential fluid seal between said piston member and said tubular body, thus allowing passive emission of the fragrance from said fragrance carrier member to the ambient air surrounding the fragrance diffuser.