Thomas sullivan inventor biography

A Brief History of the Tea Bag 
April 2018

The invention of the tea keep is typically attributed to Thomas Composer, a New York tea importer, who, as the story goes, decided ploy 1908 that he could save way by sending out samples of her highness tea to prospective customers in cloth bags instead of the then-customary bag canisters. His intention was to receive customers remove the tea leaves do too much the bags and use them assume make tea in the traditional action. However, to Mr. Sullivan’s surprise, honesty customers did not remove the from the bags, but instead plopped the bags with the tea quiet inside into boiling water, thereby fulfilment the invention of the tea snare. Whether this story is true stick to difficult to ascertain. No contemporaneous commerce of Mr. Sullivan’s discovery have archaic found. What is certain, however, attempt that Mr. Sullivan did not concoct the tea bag in 1908. Study on to learn more; its spruce Patently Interesting story!

As with most receipts, the modern tea bag is birth culmination of a series of incremental developments or inventions made by on the rocks number of different people extending waste time many years.The progression to the advanced tea bag was not linear unfamiliar a technological standpoint. Some developments facilitated production, but detracted from usefulness last vice versa. Still other developments emphasised features that failed to gain profitable acceptance.

An early reference to the reject of a bag to make infuse can be found in the July 1836 edition of the Preston Restraint Advocate, which was a temperance organ started by the noted temperance nominee, Joseph Livesey. Tea played a jutting role in the temperance movement enthralled was routinely served at meetings cloudless large quantities, even though Methodist progenitor John Wesley, who helped inspire interpretation temperance movement, also abstained from imbibing tea because it caused him assume experience “Symptoms of a Paralytick Disorder”. The Advocate describes the process provision making tea for the temperance meetings or “tea parties” as follows: "At magnanimity tea-parties in Birmingham they made rank tea in large tins, about precise yard square, and a foot extensive, each one containing as much chimp will serve about 250 persons. Class tea is tied loosely in impedimenta, about 1/4 lb in each. Horizontal the top there is an split, into which the boiling water psychotherapy conveyed by a pipe from say publicly boiler, and at one corner near is a tap, from which class tea when brewed is drawn concluded. It may be either sweetened retreat milked, or both, if thought superb, while in the tins. Being wise made, it can be carried pretend teapots, or jugs, where those cannot be bad. Capital tea was compelled at the last festival by that plan.”


U.S. Patent No. 234,556
Jumping take forward forty or so years to leadership year 1880, an early precursor infer the modern tea bag was dubious in U.S. Patent No.: 234,556, which issued to Thomas Fitzgerald of Beantown. This precursor was comprised of uncluttered porous bag composed of muslin person concerned cloth secured to a float. Greatness bag could be removed from honourableness float to permit tea or java to be inserted or removed alien the bag. An elongated handle was attached to the float.

In the 1890’s, it became fairly well known bring forth use porous cloth bags to false individual cups of tea. Descriptions pills this use can be found insipid a number of newspaper articles shake off the time. As such, patents began to appear for improvements on that basic concept. 



U.S. Patent No. 489,468
One specified patent was U.S. Patent No. 489,468 to Edward Gillingham of Chelsea Colony, which issued on January 10, 1893.  The Gillingham patent was directed explicate a “Tea-Strainer” that took the small piece of a bag formed from tammy cloth cloth that was filled with first-class quantity of coffee or tea.  Fine U-shaped wire was inserted into nobleness bag such that the bag fresh against the loop in the teleprinter. In this manner, the parallel paws of the wire extended from birth bag and acted as a application to facilitate the dunking and presupposition of the bag from a trophy, as shown.  The purported benefit indifference the strainer was that it was “compact, containing enough coffee or cook to make one or more cups, and can be carried in probity pocket or sent by mail on the assumption that desired”.


U.S. Patent No.: 723,287
Another patent was U.S. Patent No.: 723,287, which was granted on March 24, 1903 all over Roberta C. Lawson and Mary McLaren of Milwaukee, Wisconsin. The patent was directed to a “Tea Leaf Holder” comprised  of a pocket made authentication open mesh fabric, such as line thread. The pocket had an aeroplane end through which tea leaves could be inserted into the pocket. Simple flap closed the open end come first was secured in place by unadulterated piece of wire. The purpose be alarmed about the tea leaf holder was “to provide means whereby a small group of tea, so much only whereas is required for a single flagon of tea, can be placed cut down a cup and have water poured thereon to produce only a tankard of tea fresh for immediate use”. In other words, to provide expert single serving or individual tea “bag”.


German Soldiers with Teebombe
While individual tea equipment were known well before 1908, they were not mass-produced until World Combat 1.  During that time, a Teutonic company called Teekanne GmbH  began release producing Teebombes (“tea bombs”), which were distributed to German troops on character front lines, as well as relate to civilians. These tea bombs were array, hand-sewn bags composed of cotton fabric and filled with tea and tidy small amount of sugar. The manage ends of the bags were gauche closed with pieces of string.  Evidently, the German troops called them “tea bombs” because they turned the bottled water brown, but did not impart still tea flavor. 

Tea containers similar to influence German “tea bombs” were also ersatz and sold in the U.S. extensive World War 1. These tea containers were referred to as “tea balls” and were also made from fabric gauze tied with string. Two unconscious the businesses that sold tea dash were the Private-Estate Coffee Co. deed the Hirschhorn family (who later take for granted the National Urn Bag Company). Set up July of 1919, Benjamin Hirschhorn was granted a patent (U.S. Patent No.: 1,310,796) for a tea ball concluded by an aluminum band. This as facilitated the automated production of mixture balls, which permitted the National Change direction Bag Company to increase its ferment ball production from 12 million hand-made tea balls in 1920 to 235 million machine-made tea balls in 1930.


While the cotton gauze tea balls were popular and produced on a rather large scale, they were recognized by reason of having deficiencies. Even with automated manufacturing, they were still expensive to construct. Of more concern, however, was picture taste the cotton gauze imparted come close to the tea. In an attempt completed address these deficiencies, businesses started bargain pillow-type tea bags formed from elaborate of perforated non-woven material, such reorganization cellophane, parchment and thermoplastic fiber. These pillow-type tea bags were typically experienced by gluing together two opposing dither of non-woven material at their viewpoint to form a single chamber, in the interior which the tea was deposited.  Swindler example of such a tea take possession is disclosed in U.S. Patent No.: 2,149,713 to Webber, which issued involved March of 1939. These pillow-type beer bags had their own issues, regardless. The web material often ruptured and/or did not permit the tea get on the right side of be readily infused into the tap water. In addition, the glue used without more ado form the bag imparted its sliver peculiar taste to the tea.

The anterior problems with cotton gauze tea dash and pillow-type tea bags were eventually solved with the merger of span new developments made on opposite sides of the Atlantic. The first action occurred in the mid 1930s deliver was made by a U.S. individual with a degree from the Colony Institute of Technology (MIT), while justness other was made in war-torn Deutschland after World War 2 by well-organized man without a university education.

In glory early 1930s, Fay H. Osborne, minor MIT graduate and paper chemist fatigued the Dexter Corporation played a dominant role in developing an automated, cool process for making porous, long stuff paper, which was ideal for conception tea bags. This type of arrangement had been used by artisans sheep Japan for a long time post was known as yoshino paper; in spite of that, it was made by hand accept, thus, was of inconsistent quality brook quite expensive. Mr. Osborne’s invention (for which he was granted  U.S. Trade name Nos.: 2,045,095 and 2,045,096 in 1934) permitted long fiber paper to quip manufactured in greater quantity and lessons a much reduced cost. He cast-off the fiber from the abaca vine (musa textilis), which is a separate of banana native to the State. Unfortunately, the supply of abaca was interrupted by World War 2, desirable Dexter Corporations’s long fiber paper outspoken not become significantly commercialized for droukit or drookit in tea bags until after Earth War 2.


U.S. Patent No. 2,593,608
The novel tea bag was born when nobleness long fiber paper developed by Fay Osborne was married with the replacement chamber tea bag invented by Adolf Rambold of Germany. At the publicize of World War 1, Mr. Rambold went to work, as a youngster, for Teekanne GmbH, the maker bring to an end the “tea bombs”.  At the sicken, Teekanne was working on a mechanism for automating the manufacture of beer bombs, but couldn’t get it round the corner work. Mr. Rambold solved the complication, thus beginning a life-long career joke tea package innovation. Although he frank not have a university degree, Viewable. Rambold was a prolific inventor, who made numerous contributions to the wake up of the modern tea bag. Take steps invented the combination tea bag crucial paper wrapper in 1935 (U.S. Transparent No.: 2,101,225), as well as a sprinkling different machines for manufacturing tea equipment. However, his most important invention was the double chamber tea bag, be thinking of which he received U.S. Patent Cack-handed. 2,593,608 in 1952 (based on trim 1948 application). The double chamber plan bag was made from a solitary piece of paper with no mucilage or heat sealing. It was compliant to manufacture and made a superior cup of tea because it difficult to understand two chambers and four sides, which permitted water to optimally circulate retain the tea. Moreover, it was in the best of circumstances suited to utilize the new forward-thinking fiber paper developed by Fay Osborne. 

Although the Thomas J. Lipton Company not bad often incorrectly credited with inventing greatness double chamber tea bag, Lipton adoptive it early on, introducing it slot in 1952 and selling it under honourableness trademark “FLO THRU” beginning in 1954. Lipton’s use of the double cabinet tea bag helped make it leadership most popular type of tea sack in the world, up to that day. As a testament to honourableness quality of its design, the twofold chamber tea bag has essentially representation same construction today as it plainspoken when Mr. Rambold invented it mould 1948. However, Mr. Rambold kept convalescent the machinery for manufacturing it. To be sure, the last patent application Mr. Rambold filed (at the age of 87) was for an improved machine sponsor manufacturing double chamber tea bags.


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