| 摘要 |
FIELD: transport, distribution of fluids. ^ SUBSTANCE: invention relates to aerosol device, for, example, inhaler for dispensing metered dose. Valve assembly is to be fitted into aerosol device container opening to stop the latter. Valve assembly is furnished with seal means to seal valve assembly-to-container joint. Seal means is arranged between valve assembly outer side and container inner side and has flat section facing container inner side and channels arranged nearby aforesaid flat section to allow access inside valve assembly. Valve assembly include valve stem, spring and valve chamber arranged in valve body to be locked therein by sealing part to make independent valve assembly wherein clearance is provided between valve stem and valve chamber. Note here that said clearance defines the dose to be dispensed in valve operation. ^ EFFECT: no leaks or need in additional squeezing of valve on device case. ^ 11 cl, 8 dwg |
