US 11,806,204 B2
Self-resealing magnet closure
Marc Peuker, Schondorf (DE); and Andreas J. Boehm, Reichling (DE)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Appl. No. 17/309,241
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Nov. 21, 2019, PCT No. PCT/IB2019/060049
§ 371(c)(1), (2) Date May 11, 2021,
PCT Pub. No. WO2020/115598, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 18209732 (EP), filed on Dec. 3, 2018.
Prior Publication US 2021/0393373 A1, Dec. 23, 2021
Int. Cl. A61C 5/62 (2017.01); A61C 5/64 (2017.01); A61M 5/178 (2006.01); A61M 39/20 (2006.01)
CPC A61C 5/64 (2017.02) [A61M 39/20 (2013.01); A61C 2201/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A syringe for dispensing a flowable material, comprising a cartridge having a longitudinal axis A, a cartridge front end with a first dispensing nozzle and a second dispensing nozzle, and a closure for openably closing the first dispensing nozzle and the second dispensing nozzle, wherein the closure comprises a cap a first seal and a second seal, wherein the cap is telescopically placeable on the cartridge front end, wherein one of the closure and the cartridge has a first magnet and the other of the closure and the cartridge comprises a second magnet or ferromagnetic material for establishing a magnetic attraction between the closure and the cartridge, and wherein in a situation in which the closure is placed on the cartridge front end, the first seal is arranged between the cap and the first dispensing nozzle and the second seal is arranged between the cap and the second dispensing nozzle, with the closure and the cartridge being positionable in a sealing position in which the first and second seals space the cap and the cartridge front end away from each other against a magnetic attraction that urges the cap and the cartridge toward each other, and wherein, in the sealing position, the first and second magnets are each arranged at a center of a cross-section of the cap between the first and second dispensing nozzles on a plane perpendicular to the longitudinal axis A.