5. POSSIBLE DEFECTS OF A GLASS CONTAINER
SHOULDER CHECK Beginning of a crack that does not pass through the entire thickness of the glass (usually in a straight line). Problem • Breakage of the article during or after filling and packaging.
SUNKEN OR DEFORMED PUNT Slough or deformation of the glass in the punt, more or less serious. (M-) Slough or deformation of glass in the punt, thus making the bottle below capacity. (M+)
IRREGULAR GLASS DISTRIBUTION ON THE BOTTOM Too little or too much glass on the bottom.
TOO THIN >>
TOO THICK >>
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