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The cigarette-lighter with built-in extinguisher device includes a cup having an inner wall of revolution ending into a vault. The inner wall of this cup is polished and has an inlet (9a) of a diameter corresponding substantially to that of a cigarette. The cup is fixedly connected to the bottom of

The cigarette-lighter with built-in extinguisher device includes a cup having an inner wall of revolution ending into a vault. The inner wall of this cup is polished and has an inlet (9a) of a diameter corresponding substantially to that of a cigarette. The cup is fixedly connected to the bottom of a body of the cigarette-lighter. The bottom of the cup includes a substantially hemispherical vault having spherical sectors connected by a plane portion.

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1. A cigarette lighter forming a cigarette extinguisher comprises a capsule defining a cup-shaped recess having an inner wall of frustoconical revolution constituting means to cause a squeezing and compaction of initially incandescent portion of a cigarette in order to prevent a scattering of ashes

1. A cigarette lighter forming a cigarette extinguisher comprises a capsule defining a cup-shaped recess having an inner wall of frustoconical revolution constituting means to cause a squeezing and compaction of initially incandescent portion of a cigarette in order to prevent a scattering of ashes after extinction, said capsule ending into a substantially hemispherical vault, said substantially hemispherical vault comprising spherical sectors connected by a plane portion, said inner wall of said capsule being polished and having at least one cross section diameter corresponding substantially to that of a cigarette, and said capsule being fixedly connected to a bottom of a body of said cigarette-lighter and having a depth of 5-15 mm. 2. A cigarette-lighter as set forth in claim 1, having an inlet for said inner wall which is of a rounded shape. 3. A cigarette-lighter as set forth in claim 2, wherein said rounded shape has a radius which is within the range of 0.2 to 1 mm. 4. A cigarette lighter as set forth in claim 3, wherein said radius of said rounded shape is between 0.4 and 0.8 mm. 5. A cigarette lighter as set forth in claim 3, wherein said radius of said rounded shape is equal to 0.5 mm. 6. A cigarette-lighter as set forth in claim 1, wherein said spherical sectors have each a radius which is within the range of 3 to 4 mm. 7. A cigarette-lighter as set forth in claim 6, wherein said radius of said spherical sector is between 3.4 and 3.8 mm. 8. A cigarette-lighter as set forth in claim 6, wherein said radius of said spherical sector is equal to 3.5 mm. 9. A cigarette-lighter as set forth in claim 1, wherein said spherical sectors have each a center, with said centers of said spherical sectors being spaced apart by a distance which is within the range of 0 to 1.8 mm. 10. A cigarette-lighter as set forth in claim 9, wherein said centers of said spherical sectors are spaced apart by a distance which is between 0.5 and 1.5 mm. 11. A cigarette-lighter as set forth in claim 9, wherein said centers of said spherical sectors are spaced apart by a distance which is equal to 1 mm. 12. A cigarette-lighter as set forth in claim 1, wherein said capsule is connected to said body of said cigarette-lighter by an insert protruding beyond a lower portion of said capsule. 13. A cigarette-lighter as set forth in claim 12, wherein said insert is made of a heat insulating material. 14. A cigarette-lighter as set forth in claim 1, wherein said capsule forms directly said bottom of said body of said cigarette-lighter. 15. A cigarette-lighter as set forth in claim 1, wherein said capsule is connected to said body of said cigarette-lighter by an envelope, said envelope being provided with locking means. 16. A cigarette-lighter as set forth in claim 1, further comprising a flexible small plate, said small plate being formed with a concavity and resiliently engaged inside said capsule and supported by a pin. 17. A cigarette-lighter as set forth in claim 1, wherein said capsule is made of metal. 18. A cigarette-lighter as set forth in claim 1, wherein said capsule is made of synthetic resin. 19. A cigarette-lighter as set forth in claim 1, wherein said inner wall of said capsule has a conical shape chosen so as to meet with diameter difference of cigarettes of different brands. 20. A cigarette-lighter as set forth in claim 1, wherein said inner wall of said capsule has an inlet diameter which is within the range of 8 to 9.5 mm. 21. A cigarette-lighter as set forth in claim 20, wherein said inlet diameter is between 8.4 and 9 mm. 22. A cigarette-lighter as set forth in claim 20, wherein said inlet diameter is equal to 8.6 mm. 23. A cigarette-lighter as set forth in claim 19, wherein said inner wall of said capsule has a cross section at top of said frustoconical revolution shape which has a diameter which is within the range of 7.5 to 8.5 mm. 24. A cigarette-lighter as set forth in claim 23, wherein said top diameter is between 7.8 and 8.3 mm. 25. A cigarette-lighter as set forth in claim 23, wherein said top diameter is equal to 8 mm. 26. A cigarette-lighter as set forth in claim 1, wherein said capsule has an outer wall which is generally of a cylindrical shape with an outer diameter which is within the range of 5 to 15 mm. 27. A cigarette-lighter as set forth in claim 26, wherein said outer diameter is between 7 and 12 mm. 28. A cigarette-lighter as set forth in claim 26, wherein said outer diameter is equal to 10 mm. 29. A cigarette-lighter as set forth in claim 1, wherein said capsule is provided with a flange of an outer diameter which is within the range of 8 to 15 mm. 30. A cigarette-lighter as set forth in claim 29, wherein said outer diameter of said flange is between 9.5 and 13 mm. 31. A cigarette-lighter as set forth in claim 29, wherein said outer diameter of said flange is equal to 11 mm. 32. A cigarette-lighter as set forth in claim 1, wherein said capsule is provided with a flange of a thickness which is substantially equal to a general thickness of said capsule and is within the range of 0.5 to 2 mm. 33. A cigarette-lighter as set forth in claim 32, wherein said general thickness is between 0.8 and 1.5 mm. 34. A cigarette-lighter as set forth in claim 32 wherein said general thickness is equal to 1 mm. 35. A cigarette-lighter as set forth in claim 1, wherein said depth of said capsule is comprised between 7 and 12 mm. 36. A cigarette-lighter as set forth in claim 35, wherein said depth is equal to 10 mm. 37. A cigarette-lighter as set forth in claim 1, wherein said capsule is made of plastics material identical to a plastics material used for molding said body of said cigarette-lighter. 38. A cigarette-lighter as set forth in claim 37, wherein said plastics material is a resin or polymer having self-extinguishing properties. 39. A cigarette-lighter as set forth in claim 38, wherein said resin or polymer is charged with additives, typically glass fibers. 40. A cigarette-lighter as set forth in claim 38, wherein said resin or polymer is a polyamide 6-6. 41. A cigarette-lighter as set forth in claim 1, wherein said capsule is integral with said body and forms a single unit.