What is the function of the concave bottom of a glass wine bottle?

Everyone knows that the bottom of the wine bottle is concave. What's the effect of concave glass bottle? Why is it concave under the glass bottle? What's the reason for concave glass bottle? Let's discuss it together.

So the concave bottom of wine bottle is mainly caused by the following reasons:

1. The concave bottom is to improve the impact ability of wine bottles. The reason is that flat bottom bottles have poor resistance to attack, while concave bottom bottles have higher physical strength, which can greatly reduce the probability of damage caused by collision.

2. The uniform base formed around the concave bottom improves the stability of the wine bottle when standing.

3. The concave bottom can reduce the inner volume of the bottle and make the bottle more atmospheric.

The glass bottle of wine was born in the early 17th century. The first glass bottle was champagne. In 1724, the French government allowed the bottled fermented champagne to be sold on the market. On May 25, 1728, the champagne was sold overseas with the permission of the King. In 1728, the French government officially approved the use of glass bottles for wine sales. Therefore, the earliest wine bottle is the champagne bottle. Today's wine bottles still continue the traditional craft and shape of champagne bottles.