| 摘要 |
The present invention provides a device for delivering volatile substances, comprising: (i) a vapor permeable outer enclosure, said outer enclosure preferably being formed by a first laminate comprising a mesh material layer and a vapor permeable material layer laminated onto the mesh material layer; and (ii) a vapor impermeable inner enclosure placed inside the outer enclosure and defining an interior space for accommodating the volatile substances, said inner enclosure being formed by a second laminate comprising a metal foil layer and a rupturable material layer laminated onto the metal foil layer, wherein at least one die cut line to define a preformed hole is formed through the rupturable material layer. The invention also provides a method for delivering volatile substances. |
