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The historical development of tea bags

The historical development of tea bags

【概要描述】When Sullivan promoted tea bags, many tea bag manufacturers began to experiment with different materials to make his tea bags, such as cheesecloth, gauze, cellophane and perforated paper.

The historical development of tea bags

(Summary description)When Sullivan promoted tea bags, many tea bag manufacturers began to experiment with different materials to make his tea bags, such as cheesecloth, gauze, cellophane and perforated paper.

Information

When Sullivan promoted tea bags, many tea bag manufacturers began to experiment with different materials to make his tea bags, such as cheesecloth, gauze, cellophane and perforated paper. On that day, paper fibers became the material of tea bags. Hand-sewn bags are replaced by machine-sewn bags. Later, one of the founders of Boston Technical Papers invented heat-sealed paper tea bags, and sold his patent to Salada Tea Company in 1930. In 1944, the typical shape of tea bags changed from a "sack" bag to the current rectangular tea bag.

 

In 1952, the Lipton Tea Company applied for a patent for the so-called "flo-thru" bag, which had four sides instead of two, and was suitable for people who brewed with a cup instead of a small teacup. Like a pyramid bag, this tea bag can encourage more water to flow through the tea, and produce a faster infusion rate and a stronger brewing effect.

 

In heavy marketing, Tetley launched round tea bags in 1992. It is more like a visual change than a functional change.

 

The pyramid-shaped tea bag shape was invented by Brooke Bond (the parent company of PG Tips in the UK and a popular tea brand in India today). It increases the moving space of tea leaves by 50% compared to the moving space of flat tea bags, promotes better infusion, and is also suitable for cups and teapots instead of small cups.

 

In recent years, the so-called "tea socks" have become popular among some whole leaf tea drinkers. They are not tea bags in the true sense, but large tea bag infusers. They are made of similar materials and are disposable. They can be filled with leaves of your choice, then folded, clamped or fixed for infusion, then removed and discarded after brewing.

 

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