Cosmetic Packaging Bottle Restricting Backflow
AssigneeGuangzhou Candear Packing Products Co., LTD
InventorGuoxiang Cai
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Abstract
The invention relates to a cosmetic packaging bottle restricting backflow, includes a soft tube packaging bottle and a liquid discharge head, and also includes a non-return valve sheet, which is placed within the liquid discharge head. The non-return valve sheet has a one-way flow restriction function, so that contents of the soft tube packaging bottle are squeezed out in one direction and cannot flow back. A cosmetic packaging bottle restricting backflow in the invention has a one-way flow restriction function, so that contents of the soft tube packaging bottle are squeezed out in one direction and cannot flow back, preventing contents from flowing back and causing contamination of contents of the soft tube packaging bottle.
Claims10
A cosmetic packaging bottle restricting backflow, including a soft tube packaging bottle and a liquid discharge head, wherein:
- and also including a non-return valve sheet, which is placed within the liquid discharge head, the non-return valve sheet has a one-way flow restriction function, so that contents of the soft tube packaging bottle are squeezed out in one direction and cannot flow back.
Dependencies are inferred from the claim text.