What are the little dots on beer bottles?

Is there Braille on bottles?

Have you ever picked up a bottle of wine, especially one from the Côtes-du-Rhône region of France, felt Braille on the label, and wonder how it got there? You may have even wondered if the little bumps were Braille at all. Well, they are, and the story of how they got there is a pretty amazing and thoughtful one.

Why do glass bottles have bumps on the bottom?

On older bottles, manufacturers would use the bumps as date codes, allowing them to see how long a bottle was in circulation. While this is still used some in modern manufacturing, they are generally used as mold markers, so if there are defects, the manufacturer can trace the source of the problem.

Why are there dots on glass?

To get the glass of windows and windshields to be bent the way it is, the glass is heated up. The black-painted glass heats up faster than the rest of the window. The dots are there to distribute the heat a little more evenly, which prevents the windshield from warping in the heat. So, now you know!

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Why do Corona bottles have bumps?

According to our pals at Owens-Brockway, makers of lots and lots of bottles for lots and lots of beer companies, the string of tiny lumps is a binary or hex code (depending on manufacturer) that indicates in which set of molds the bottle was made.

How can you tell how old a glass bottle is?

The embossed maker’s mark or letters on the side of a bottle or on the base of a bottle will help to reveal a bottle’s age. Marks or letters on collectible milk bottles and Coca Cola bottles are commonly indicators of age and origin.

What do the numbers on bottom of bottles indicate?

Probably in the majority of cases, single or double-digit numbers are mold numbers, merely serving to identify a particular mold, (or section/mold cavity in an automatic bottle manufacturing machine) that was used to form the bottle, jar or other glass item.

Why is beer in long neck bottles?

Beers bottles are designed with long necks which has a purpose behind. The long neck of the bottle is supposed to be the holding space which can minimise the heat transfer between the body (hands) and the beer, especially if they are stored, chilled.

Why do bottles have necks?

“Most beer bottles are made with a purpose, if you look at a Belgian-style bottle like Unibroue, for example, the bulging neck is actually made to keep the yeast in the bottle and not in the glass when pouring.

What is the dot matrix on a window for?

The “dot-matrix” you see on windows is a halftone pattern, serving an aesthetic purpose. The pattern simulates a smooth gradient by gradually decreasing the size of the solid black dots as it moves inwards. This provides a more visually pleasing transition from the black frit band to the transparent glass.

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What are black spots windscreen?

The black band and spots on the windshield are called the frit. An important windshield component, the frit is a black enamel band that is quite literally baked into the edges of the windshield glass, this is how the glass is bonded to the frame of the vehicle.