| 摘要 |
The flask (2) has a supple inner pouch (10) to contain the product to be dispensed by an airless pump (5) with a plunger tube (14) that extends to half the depth of the pouch while an air inlet (9) maintains the pressure inside the pouch as it empties. The flask (2) has a supple inner pouch (10) to contain the product to be dispensed by an airless pump (5) with a plunger tube (14) that extends to half the depth of the pouch while an air inlet (9) maintains the pressure inside the pouch as it empties. The pouch is attached to the inner surface of the flask along at least one lengthwise zone so that it maintains an even cross-section as its volume reduces, and the remaining fluid extends beyond the open end of the plunger tube. |
