# US 2018/0322992 A1 · Flexible magnetic sealing apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0322992 A1 - Document ID: US20180322992A1 - Status: Published application - Kind: A1 - Application number: 15/972,981 - Filed: 2018-05-07 - Published: 2018-11-08 - Earliest claimed: 2010-05-16 - Assignees: Gooper Hermetic Ltd. - Applicants: Gooper Hermetic Ltd. - Inventors: Philip Naftali; Izik Moalem - Web page: https://patentgrep.com/patent/US20180322992A1 ## CPC - H01F 7/0215: {Flexible forms, sheets} - A45C 13/1069: {magnetic} - H01F 7/0263: {Closures, bags, bands, engagement devices with male and female parts} - A41F 1/002: {Magnetic fastening devices} - E04H 15/32: Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds - Y10T 24/32: having magnetic fastener - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - A45C: PURSES; LUGGAGE; HAND CARRIED BAGS - A41F: GARMENT FASTENINGS; SUSPENDERS - E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A magnetic sealing closure, comprising: a. a first flexible strip, with a plurality of cavities adapted to incorporate a plurality of magnetic elements; b. a second flexible strip, with a plurality of cavities adapted to incorporate a plurality of magnetic elements; wherein said sealing closure comprises membranes connectable to said first strip, and a second membrane connectable to said second strip, such that said plurality of magnetic elements of said second strip are embedded within said plurality of cavities between said second strip and said second membrane; when said first and second strips and are brought together from the side of said first and second membranes, magnetic elements of said first and said second strips magnetically attract each other, such that a sealing is provided. ## Claims ### Claim 1 A magnetic sealing closure, comprising: a. a first flexible strip, having a main axis, a first side and a second side, with a plurality of cavities adapted to incorporate a plurality of magnetic elements; b. a second flexible strip, having a main axis, a first side and a second side, with a plurality of cavities adapted to incorporate a plurality of magnetic elements; wherein said sealing closure further comprises a first membrane connectable to said first side of said first strip, such that said plurality of magnetic elements of said first strip are embedded within said plurality of cavities between said first strip and said first membrane; and, said sealing closure further comprises a second membrane connectable to said first side of said second strip, such that said plurality of magnetic elements of said second strip are embedded within said plurality of cavities between said second strip and said second membrane; when said first and second strips and are brought together from the side of said first and second membranes, magnetic elements of said first and said second strips magnetically attract each other, such that a sealing is provided. ### Claim 2 (depends on 1) The magnetic sealing closure of claim 1, wherein each of said first and said second membranes is characterized by: (i) a predetermined thickness which substantially preserves the magnetic attraction capabilities of said plurality of magnetic elements of said first and second strips; and, (ii) a predetermined static friction coefficient which substantially prevents movement of said first membrane with respect to said second membrane; when provided, said sealing being stable to mechanical deformations of said sealing closure relative to said main axis of said first and second strips due to said predetermined thickness and said predetermined static friction coefficients of said first and second membranes. ### Claim 3 (depends on 1) The magnetic sealing closure of claim 1, wherein said first membrane and said second membrane are a first wall and a second wall of a sealable device. ### Claim at position 4 4-10. (canceled) ### Claim 11 (depends on 1) The magnetic sealing closure of claim 1, wherein said first and second membranes and said first and second strips are made of polymeric materials selected from a group consisting of: elastomer, rubber, TPR, TPE, TPU, HPU, Neoprane, Polyacrylates, Polyamides, Polyesters, Polycarbonates, Polyimides, Polystyrenes, acrylonitrile butadiene styrene (ABS), polyacrylonitrile (PAN) or Acrylic, polybutadiene, poly (butylene terephthalate) (PBT), poly (ether sulfone) (PES, PES/PEES), poly(ether ether ketone)s (PEEK, PES/PEEK), polyethylene (PE), poly(ethylene glycol) (PEG), poly (ethylene terephthalate) (PET), polypropylene (PP), polytetrafluoroethylene (PTFE), styrene-acrylonitrile resin (SAN), poly(trimethylene terephthalate) (PTT), polyurethane (PU), polyvinyl butyral (PVB), polyvinylchloride (PVC), polyvinylidenedifluoride (PVDF), poly(vinyl pyrrolidone) (PVP), or any combination thereof. ### Claim 12 (depends on 1) The magnetic sealing closure of claim 1, wherein said magnetic elements are made of a material selected from the group consisting of: Neodymium, Neodymium Iron Boron (NdFeB), Samarium-Cobalt, Electromagnet, any other type of rare-earth magnet, and any combination thereof. ### Claim 13 (depends on 1) The magnetic sealing closure of claim 1, wherein said mechanical deformations are selected from the group consisting of: bending, rotation, twisting, tilting, or any combination thereof. ### Claim 14 (depends on 1) The magnetic sealing closure of claim 1, wherein said sealing closure is flexible and water impermeable. ### Claim 15 (depends on 1) The magnetic sealing closure of claim 1, wherein said sealing closure is adapted to be incorporated within a sealable device, such that when a sealing is provided by said sealing closure, said sealable device is sealed. ### Claim 16 (depends on 15) The magnetic sealing closure of claim 15, wherein said first strip is mechanically connectable to one portion of said sealable device via a first connecting means, and said second strip is mechanically connectable to another portion of said sealable device via a second connecting means. ### Claim 17 (depends on 15) The magnetic sealing closure of claim 15, wherein said one portion and said another portion of said strip are located at an opening of said sealable device. ### Claim 18 (depends on 16) The magnetic sealing closure of claim 16, wherein said first and said second connecting means are selected from the group consisting of: RF welding, ultrasonic welding, heat welding, sewing, via a seal tape, gluing, or any combination thereof. ### Claim 19 (depends on 16) The magnetic sealing closure of claim 16, wherein at least one of said first membrane or said second membrane is one of said one portion or said another portion. ### Claim 20 (depends on 15) The magnetic sealing closure of claim 15, wherein said sealable device is selected from the group consisting of: a pouch, a bag, a sack, a pocket, a device useful for sterile purposes, a door with a frame, a tent, a greenhouse, a waterproof pocket, or any combination thereof. ### Claim 21 (depends on 1) The magnetic sealing closure of claim 1, wherein said sealing closure is usable in fields selected from the group consisting of: packaging, storage, military, medical, agriculture, food, outdoor activities, textile, fashion, or any combination thereof. ### Claim 22 (depends on 1) The magnetic sealing closure of claim 1, wherein said sealing closure is a one way valve. ### Claim 23 (depends on 1) The magnetic sealing closure of claim 1, wherein said plurality of cavities of said first strip and said second strip are selected from the group consisting of: niches, recesses, pits, openings, holes, full openings, apertures, or any combination thereof. ### Claim 24 (depends on 1) The magnetic sealing closure of claim 1, wherein said sealing closure is manufactured according to a method selected from the group consisting of: extrusion, coextrusion, molding, or any combination thereof. ### Claim 25 (depends on 24) The magnetic sealing closure of claim 24, wherein said extrusion method is adapted to: (i) provide continuous first and second strip; and, (ii) form a plurality of cavities within said first and second strips. ### Claim 26 (depends on 24) The magnetic sealing closure of claim 24, wherein said molding method is adapted to provide said first strip and said second strip with said plurality of cavities according to a predetermined model. ### Claim 27 (depends on 1) The magnetic sealing closure of claim 1, wherein said sealing closure further comprises a coating adapted to be mechanically connected to at least one of said first strip and said second strip from said second side of the same, when said plurality of cavities are full openings. ### Claim at position 22 28-113. (canceled)