| An improved Aerosol Filling Machine has a chamber | | | | portion of a valve cup independent and spaced from |
| seal engaging the bottom of a valve cup on the | | | | said valve operating member. |
| container. A chamber in the adapter is pressurized to | | | | Using pink or red or green school erasers or the pink |
| open an aerosol valve and to fill the container. | | | | erasers on the ends of Col-Erase pencils may streak |
| Pressure reduction in the chamber allows the aerosol | | | | your art with an ugly pink. I never use those for |
| valve to close, independent of the seal, and without | | | | anything if I can help it, because they stain. You may |
| content “spit-back”. Alternative structures | | | | want to cut them off to remind yourself of that. |
| and methods are disclosed. An aerosol filling adapter | | | | Don't use spray workable matte fixative or any |
| for use in filling an aerosol container having a valve | | | | spray paint in enclosed areas with poor ventilation or |
| cup therein, and through an aerosol valve, with gas, | | | | near open flame, electric stove burners that are on |
| said adapter comprising: an adapter housing; a | | | | or lit cigarettes. |
| reciprocal adapter body in said housing; an adapter | | | | A method of filling an aerosol container having a |
| holder mounted on said adapter housing; an adapter | | | | valve cup comprising a curl, sides and bottom, with |
| valve in said holder, disposed for opening and closing | | | | gas through an aerosol filler manufacturer , said |
| in response to movement of said adapter body: a | | | | method comprising the steps of: engaging an adapter |
| seal on said adapter body; said seal oriented for | | | | with said valve cup and sealing a chamber in said |
| sealing engagement on said valve cap of an aerosol | | | | adapter with said seal; supplying pressurized gas to |
| container in non-interfering relation with said aerosol | | | | said adapter and through said adapter to said |
| valve. | | | | container aerosol valve; opening said aerosol valve |
| If your shading gets too dark in any area, just press | | | | with said pressure; filling said container with gas; |
| and lift with the kneaded eraser to lighten it. Erase | | | | ceasing said gas supply; and closing said aerosol valve |
| completely if dark colors get into the silhouetted leaf | | | | as a function of reduced pressure in said gas without |
| shapes with the white vinyl eraser. Another variation | | | | “spit-back” of contents of said container. |
| on this that makes a great outdoor crafts project is | | | | A method of filling propellant into an aerosol container |
| to take sketch paper outside, collect real leaves, lay | | | | having a valve and a valve actuating member, said |
| them out one by one on the paper and spray them | | | | method comprising the steps of: applying pressurized |
| with spray paint. Be sure to let a leaf silhouette dry | | | | propellant to said valve actuating member, opening |
| before laying the next leaf on the design, so they | | | | said valve in response to said application of pressure |
| don't smear. | | | | and injecting propellant into said container; equalizing |
| Cutting paper templates for shapes and spraying by | | | | pressure of said propellant in and out of said |
| aerosol filler with liquid non-toxic watercolor is another | | | | container; once said container is filled with a selected |
| way to do these designs that's easier and safer | | | | propellant; and closing said valve in direct response to |
| indoors, especially with children. To make liquid | | | | equalizations of pressure of said propellant. |
| watercolor, just use small misters and swirl a brush | | | | This invention relates to aerosol filling machines and |
| into a child's watercolor pan, then rinse repeatedly in | | | | more particularly to adapters for filling aerosol |
| the mister before putting the top on till the water | | | | containers with gases. When aerosol containers or |
| turns a good strong color. Remember it will be lighter | | | | cans are filled with whipped cream, for example, it |
| when it dries, so add more paint than you think you'll | | | | has been desirable to inject the cans with precise |
| need. | | | | amounts of nitrous oxide propellant which gives the |
| An aerosol filling machine china for filling an aerosol | | | | cream a foamy quality. Typically, this is done through |
| container with gas through an aerosol valve mounted | | | | a filling adapter designed particularly for the style of |
| on said container and having an aerosol valve | | | | aerosol valve or valve tip used in the can. It is |
| operating member operably connected thereto, said | | | | advantageous to operatively seal the adapter to the |
| adapter comprising: an adapter body for isolating said | | | | valve stem, valve tip or stem island so that no (or |
| member from ambient pressure and defining a | | | | only a little) gas is wasted during the injection |
| pressure chamber for pressurizing said member to | | | | process. In this regard, past adapters have usually |
| move said member and open said valve for filling said | | | | sealed onto the can's valve stem, the valve tip which |
| container with gas; said adapter body having a seal | | | | mounts on the stem or onto the projecting island |
| for engaging a portion of said containers spaced from | | | | through which the valve stem exits the can. These |
| said member and sealing said chamber from ambient | | | | seals facilitate injection of the gas or propellant into |
| pressure, said portion of said container comprising a | | | | the can. |