| 摘要 |
<p>Pressurised spraying can, which dispenses without using environment contaminating aerosol drive gas, has an outer container made of a hose in which the warp yarns are in distensible and the weft yarns are made of rubber. The container houses an inner container which is elastic and which an inner wall formed of low pressure polyethylene. In its deflated state the container encloses the spray tube tightly. Container is distended against the inner wall by the liquid to be dispensed, whereby the upper portion of the container is filled with compressed air to assist dispensing.</p> |
