# US 5,349,972 A · Dual wiper mascara package having residual chamber with bypass channel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,349,972 A - Document ID: US5349972A - Status: Granted - Kind: A - Application number: 07/993,285 - Filed: 1992-12-18 - Granted: 1994-09-27 - Earliest claimed: 1992-12-18 - Assignees: The Procter & Gamble Company - Inventors: Robert S. Dirksing; David T. Miller - Web page: https://patentgrep.com/patent/US5349972A ## CPC - A45D 40/267: {comprising a wiper} - A46B 3/18: the bristles being fixed on or between belts or wires - A46B 9/021: {arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow} - A45D: HAIRDRESSING OR SHAVING EQUIPMENT (wigs, toupees or the like A41G3/00, A41G5/00; hairdressers' chairs A47C1/04; hair cutting appliances, razors B26B); EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING - A46B: BRUSHES (handles not integral with brushware B25G) ## Abstract A cosmetic product package, particularly a mascara package, including a dual wiper mechanism which virtually eliminates the messiness problems of typical mascara applicators. The dual wiper mechanism has a resilient inner wiper and a resilient outer wiper spaced apart from one another within a supporting structure forming a residual mascara chamber therebetween. The inner wiper has a relatively small opening which provides most of the doctoring of the bristles. The outer wiper has a larger opening which primarily doctors the stem. Mascara which collects in the residual chamber flows through conduits around the inner wiper back into the primary reservoir, or alternatively to a discard reservoir. A mechanism to doctor more mascara from the brush upon insertion than upon removal of the brush may also be provided. ## Claims ### Claim 1 A package for a cosmetic product comprising: (a) a container having a plurality of walls connected so as to house the product, said container including an opening in one of the walls providing communication with the product housed within the container; (b) a applicator including a stem having a proximal end, a distal end, means for grasping the applicator at the proximal end of the stem and means for applying the product at the distal end of the stem; and (c) a dual wiper mechanism located within the opening of the container including: (i) a primary wiper element having an opening therein; (ii) a secondary wiper element having an opening therein, the secondary wiper providing wiping of the stem; and (iii) a housing which locates the primary wiper element within the opening of the container and the secondary wiper element within the opening of the container exteriorly of the primary wiper element and spaced from the primary wiper element forming a residual cosmetic product reservoir between the primary wiper element and the secondary wiper element, the housing having a channel providing fluid communication from the residual product reservoir around the primary wiper element. ### Claim 2 (depends on 1) A package for a cosmetic product according to claim 1, wherein the opening in the primary wiper element has a diameter sufficiently small that no significant tail is left on the end of the stem as the applicator is removed from the container. ### Claim 3 (depends on 2) A package for a cosmetic product according to claim 2, wherein the diameter of the opening of the primary wiper is less than about the diameter of the distal end of the stem. ### Claim 4 (depends on 1) A package for a cosmetic product according to claim 1, wherein the primary wiper element includes a means for doctoring less product from the means for applying product as the applicator is removed from the container than as the applicator is returned to the container. ### Claim 5 (depends on 2) A package for a cosmetic product according to claim 2, wherein said means for applying the product is a plurality of bristles which form a brush. ### Claim 6 (depends on 5) A package for a cosmetic product according to claim 5, wherein said brush has bristles extending generally in at least one direction along the axis of the stem. ### Claim 7 A package for a cosmetic product comprising: (a) a container having a plurality of walls connected so as to house the product, said container including an opening in one of the walls providing communication with the product housed in a primary product reservoir within the container; (b) an applicator including a stem having a diameter, a proximal end, a distal end, means for grasping the applicator at the proximal end of the stem and means for applying the product at the distal end of the stem; and (c) a dual wiper mechanism located within the opening of the container including: (i) a primary wiper element having an opening therein with a diameter sufficiently small that no significant tail is left on the end of the stem as the applicator is removed from the container; (ii) a secondary wiper element having an opening therein with a diameter approximately equal to the diameter of the applicator stem; and (iii) a housing which locates the primary wiper element within the opening of the container and the secondary wiper element within the opening of the container exteriorly of the primary wiper element and spaced from the primary wiper element forming a residual product reservoir between the primary wiper element and the secondary wiper element, the housing having a channel providing fluid communication from the residual product reservoir to the primary product reservoir, around the primary wiper element. ### Claim 8 (depends on 7) A package for a cosmetic product according to claim 7, wherein the diameter of the opening of the primary wiper is less than about the diameter of the distal end of the stem. ### Claim 9 (depends on 7) A package for a cosmetic product according to claim 7, wherein the primary wiper element includes a means for doctoring less product from the means for applying product as the applicator is removed from the container than as the applicatory is returned to the container. ### Claim 10 (depends on 7) A package for a cosmetic product according to claim 7, wherein said means for applying the product is a plurality of bristles which form a brush. ### Claim 11 (depends on 10) A package for a cosmetic product according to claim 10, wherein said brush has bristles extending generally in at least one direction along the axis of the stem. ### Claim 12 A package for a cosmetic product comprising: (a) a container having a plurality of walls connected so as to house the product in a primary product reservoir and in a separate discard product reservoir, said container including an opening in one of the walls providing communication with the primary product reservoir; (b) an applicator including a stem having a proximal end, a distal end, means for grasping the applicator at the proximal end of the stem and means for applying the product at the distal end of the stem; and (c) a dual wiper mechanism located within the opening of the container including: (i) a primary wiper element having an opening therein; (ii) a secondary wiper element having an opening therein; and (iii) a housing which holds the primary wiper element within the opening of the container and the secondary wiper element within the opening of the container exteriorly of the primary wiper element and spaced from the primary wiper element forming a residual mascara reservoir between, the primary wiper element and the secondary wiper element, the housing having a channel providing fluid communication from the residual product reservoir to the discard product reservoir. ### Claim 13 (depends on 12) A package for a cosmetic product according to claim 12, wherein the opening in the primary wiper element has a diameter sufficiently small that no significant tail is left on the end of the stem as the applicator is removed from the container. ### Claim 14 (depends on 13) A package for a cosmetic product according to claim 13, wherein the diameter of the opening of the primary wiper is less than about the diameter of the distal end of the stem. ### Claim 15 (depends on 12) A package for a cosmetic product according to claim 12, wherein the primary wiper element includes a means for doctoring less product from the means for applying product as the applicator is returned to the container. ### Claim 16 (depends on 13) A package for a cosmetic product according to claim 13, wherein said means for applying the product is a plurality of bristles. ### Claim 17 (depends on 16) A package for a cosmetic product according to claim 16, wherein bristles extend generally in at least one direction along the axis of the stem.