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The crown cork (also known as a crown seal, crown cap or just a cap), the first form of bottle cap, was invented by William Painter in 1892 in Baltimore. The company making it was originally called the Bottle Seal Company, but it changed its name with the almost immediate success of the crown cork to the Crown Cork and Seal Company .
Borosil primarily manufactures laboratory glassware [4] and microwavable kitchenware in India. It was established in 1962 in collaboration with Corning Glass Works . [ 5 ] In 1988, Corning divested its shareholding to the current Indian promoters.
Common cap sizes include 33-430 (33mm), 38-430 (38mm), and GL 45 (45mm). Caps range in size from narrow mouthed to wide mouthed and often a glass or plastic funnel is needed to properly fill a reagent bottle from a larger or equal sized container's mouth. Reagent bottle caps are commonly said to be "autoclavable".
Single-ended self-starting lamps are insulated with a mica disc and contained in a borosilicate glass gas discharge tube (arc tube) and a metal cap. [2] [3] They include the sodium-vapor lamp that is commonly used in street lighting. [4] [5] [2] [3] Borosilicate glass usually melts at about 1,650 °C (3,000 °F; 1,920 K).
A bottle cap or bottle top is a common closure for the top opening of a bottle. A cap is sometimes colorfully decorated with the logo of the brand of contents. Metal caps with plastic backing are used for glass bottles, sometimes wrapped in decorative foil. Metal caps are usually either steel or aluminum, [1] and of the crown cork type.
Painter patented 85 inventions, including the common bottle cap, the bottle opener, a machine for crowning bottles, a paper-folding machine, a safety ejection seat for passenger trains, and also a machine for detecting counterfeit currency. He was inducted to the National Inventors Hall of Fame in 2006. [4]
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These involved heavy wire bail attached to a bottle's neck that swung over the cork to hold it in. The world's first modern bottle cap, the crown cork, was invented by William Painter in 1890 in Baltimore. The screw cap using rust resistant aluminum was first used in prescription drug bottling in the 1920s. Molded urea based bottle caps were ...
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