A dispensing device (1) for separately storing two substances, adapted to dispense and apply proportional amounts of said substances, said device (1) comprising a longitudinal axis (3) about which two receptacles (4, 4′), composed of a flexible material, are disposed, each receptacle (4, 4′), contai
A dispensing device (1) for separately storing two substances, adapted to dispense and apply proportional amounts of said substances, said device (1) comprising a longitudinal axis (3) about which two receptacles (4, 4′), composed of a flexible material, are disposed, each receptacle (4, 4′), containing one of said two substances and comprising an outlet (5) through winch said substance can be squeezed, said dispensing device (1) being adapted to be folded about the longitudinal axis (3).
대표청구항▼
1. A one-use dispensing device for separately storing, dispensing, and applying proportional amounts of two substances, comprising: a pair of spaced apart flexible receptacles disposed on a flat flexible thin web for each substance, each of said receptacles including a flat edge portion having an ou
1. A one-use dispensing device for separately storing, dispensing, and applying proportional amounts of two substances, comprising: a pair of spaced apart flexible receptacles disposed on a flat flexible thin web for each substance, each of said receptacles including a flat edge portion having an outlet therein;a fold line extending over the flat flexible thin web and disposed equidistant between the receptacles;wherein each of the receptacles has a circular base and a flat circular upper surface, wherein a diameter of the upper surface is smaller than a diameter at the base;wherein said device being foldable about said fold line so that the receptacles are superimposed;a pair of rupturable outlets each having a weakened region and an inlet, and each being in fluid communication with a respective one of said pair of receptacle outlets;wherein a tear line extends in between and separates each one of said pair of inlets and respective one of said pair of receptacle outlets;wherein said receptacle outlets converge towards the fold line; andwherein said receptacles include indicia indicating where a thumb and forefinger of a user should be positioned to allow for substantially complete evacuation of the receptacle through the receptacle outlet;whereby when the device is folded about said fold line, said receptacle outlets and said rupturable outlets are superposed, respectively, for dispensing and mixing the substances when the receptacles are squeezed; andwhereby the device is configured to be manipulated by a user in a one-handed operation to dispense the two substances. 2. A dispensing device as defined in claim 1, wherein said receptacles are disposed such that one of said receptacles on one side of the fold line is a transposed mirror image of the other receptacle on the other side of the fold line and said receptacles are substantially equidistant from the fold line. 3. A dispensing device as defined in claim 1, wherein said device comprises two flexible laminae positioned adjacent one another and sealed together so as to define said two receptacles. 4. A dispensing device as defined in claim 3, wherein the laminae are selected from a group comprising foil, polyethylene, polypropylene, polyvinyl chloride, polyvinyl acetate and foil coated with polypropylene. 5. A dispensing device as defined in claim 3, wherein each of the laminae are composed of different materials. 6. A dispensing device as defined in claim 1, wherein upon said substances being squeezed from said device and meeting, said substances undergo a chemical or physical reaction. 7. A dispensing device as defined in claim 1, wherein one of said two receptacles contains an epoxy and the other of said two receptacles contains a hardener. 8. A dispensing device as defined in claim 1, wherein the receptacles contain foodstuffs. 9. A dispensing device as defined in claim 1, wherein the receptacles contain materials selected from a group comprising pharmaceuticals, other liquids, pastes and gels used in medical or dental work. 10. A dispensing device as defined in claim 1, wherein said device is adapted to be folded and manipulated by a user in a one-handed operation such that said receptacle outlets are easily aligned and said substances contained within said receptacles are simultaneously dispensed, mixed and proportionately applied. 11. A dispensing device as defined in claim 1, wherein said outlets are positioned at or adjacent to the side edges of the dispensing device. 12. The dispensing device according to claim 1, wherein the two substances are epoxy and a hardener. 13. A dispensing device as defined in claim 12, wherein said device is adapted to be folded and manipulated by a user in a one-handed operation such that the receptacle outlets are easily aligned and the epoxy and hardener are simultaneously dispensed, mixed and proportionately applied. 14. A dispensing device as defined in claim 1, wherein said receptacle outlets are disposed such that one of said receptacle outlets on one side of the fold line is a transposed mirror image of the other outlet on the other side of the fold line and said receptacle outlets are substantially equidistant from the fold line of fold, whereby the substances are dispensed and mixed when the receptacles are squeezed. 15. A dispensing device as defined in claim 1, wherein the receptacles are approximately 7.5 mm in radius at their base and approximately 5 mm at their top.
Weisberg Warren (2406 Grant Evanston IL 60201), Method of making a tear line-forming perforation in a sealed marginal portion of a bag and a sealed bag formed thereby.
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