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Ingrid Kosar

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Ingrid Kosar (born 1948) is an American inventor and creator of the thermal bag.

Early life and education

Kosar grew up in Des Plaines, Illinois. Her father was an accountant and ran his own company. He died when she was young, and her mother turned the property into a beauty salon.[1] Losing her father made her passionate about preserving food.[2] Kosar attended Northern Illinois University, where she majored in journalism.[2]

Career

Kosar started her career as a buyer for an engineering company.[1] She says that at that age she was eating a lot of pizza.[1] At the time, Domino's Pizza dominated the United States pizza delivery market, and their innovative new pizza box was keeping pizza secure.[1] Kosar was inspired by a padded cotton lunch bag she had seen at a craft fair. She was challenged by Domino's Pizza to create a bag that could keep a temperature of 140 degrees Fahrenheit.[1]

Kosar invented a thermal bag used to keep pizza warm.[3][4][5] She launched her insulated pizza bag company, "Thermal Bags by Ingrid", in 1983.[6] She ensured the bag was big enough to hold multiple cartons, flexible enough to handle without difficulty, and able to endure any spillages.[1] Her 1984 patent application describes the bag as "soft-sided thermally insulated carrying cases". The bag combined a breathable, food-safe layer of polyester, 1,000 denier Cordura nylon and a thin nylon lining.[1] It incorporated Thinsulate fabric.[7] The breathable layer ensures steam can escape so tat the crust stays crispy.[1] Domino's Pizza were Kosar's largest customer.[8] The same bag technology was used by NASA, who deployed the bag in outer space to study crystalization. It was listed as the world's largest pizza bag by the Guinness World Records in 2000.[2]

Kosar's patents expired in the early 2000s, and cheaper bags from China started to infiltrate the market.[1] Kosar filed for personal bankruptcy in 2010, but managed to maintain the company, and work her way out of bankruptcy within four years.[1] She has continued to develop thermal bags for a range of customers, including a European stem cell bank. She created a series of covers for bun racks for bakers, with customers including Panera Bread.[1]

Discover more about Career related topics

Domino's Pizza

Domino's Pizza

Domino's Pizza, Inc., trading as Domino's, is an American multinational pizza restaurant chain founded in 1960 and led by CEO Russell Weiner. The corporation is Delaware domiciled and headquartered at the Domino's Farms Office Park in Ann Arbor, Michigan. As of 2018, Domino's had approximately 15,000 stores, with 5,649 in the United States, 1,500 in India, and 1,249 in the United Kingdom. Domino's has stores in over 83 countries and 5,701 cities worldwide. In 2018 Domino's Pizza was inducted into the Queensland Business Leaders Hall of Fame.

Pizza box

Pizza box

The pizza box or pizza package is a folding packaging box made of cardboard in which hot pizzas are stored for take-out. The "pizza box" also makes home delivery and takeaway substantially easier. The pizza box has to be highly resistant, cheap, stackable, thermally insulated to regulate humidity and suitable for food transportation. In addition, it provides space for advertising. The pizza packages differ from those of frozen pizzas, which contain the frozen product in heat-sealed plastic foils as is the case with much frozen food.

Fahrenheit

Fahrenheit

The Fahrenheit scale is a temperature scale based on one proposed in 1724 by the physicist Daniel Gabriel Fahrenheit (1686–1736). It uses the degree Fahrenheit as the unit. Several accounts of how he originally defined his scale exist, but the original paper suggests the lower defining point, 0 °F, was established as the freezing temperature of a solution of brine made from a mixture of water, ice, and ammonium chloride. The other limit established was his best estimate of the average human body temperature, originally set at 90 °F, then 96 °F.

Thermal bag

Thermal bag

A thermal bag is a type of thermally insulated shipping container in the form of a bag which can be carried, usually made of thermally insulating materials and sometimes a refrigerant gel. It is used to help maintain the temperature of its contents, keeping cold items cold, and hot items hot.

Cordura

Cordura

Cordura is a collection of synthetic fiber-based fabric technologies used in a wide array of products including luggage, backpacks, trousers, military wear and performance apparel.

Thinsulate

Thinsulate

Thinsulate is a brand of synthetic fiber thermal insulation used in clothing. The word is a portmanteau of the words thin and insulate, trademarked by 3M. The material is made by the 3M Corporation and was first sold in 1979. It was originally marketed as an inexpensive alternative to down; at the time, 3M claimed it was twice as warm as an equivalent amount of any natural material.

NASA

NASA

The National Aeronautics and Space Administration is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research.

Guinness World Records

Guinness World Records

Guinness World Records, known from its inception in 1955 until 1999 as The Guinness Book of Records and in previous United States editions as The Guinness Book of World Records, is a reference book published annually, listing world records both of human achievements and the extremes of the natural world. The brainchild of Sir Hugh Beaver, the book was co-founded by twin brothers Norris and Ross McWhirter in Fleet Street, London, in August 1955.

Panera Bread

Panera Bread

Panera Bread Company is an American chain store of bakery-café fast casual restaurants with over 2,000 locations, all of which are in the United States and Canada. Its headquarters are in Sunset Hills, Missouri.

Source: "Ingrid Kosar", Wikipedia, Wikimedia Foundation, (2022, November 25th), https://en.wikipedia.org/wiki/Ingrid_Kosar.

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References
  1. ^ a b c d e f g h i j k Distance, Wailin Wong-The (December 5, 2014). "The Woman Who Invented the Bag That Keeps Your Pizza Warm". Gizmodo. Retrieved November 20, 2022.
  2. ^ a b c "She's got it 'in the bag' | My Sunday News". Retrieved November 20, 2022.
  3. ^ Fry, Dr Hannah (November 10, 2022). "The five everyday technologies with a surprising history". The Telegraph. ISSN 0307-1235. Retrieved November 20, 2022.
  4. ^ Prada, Luis (March 21, 2015). "The Hardest Things Done By Great Minds To Be Lazy". Cracked.com. Retrieved November 20, 2022.
  5. ^ "PMQ Pizza Magazine August 2012 by PMQ Pizza Magazine – Issuu". issuu.com. Retrieved November 20, 2022.
  6. ^ Basecamp. "Life of Pie". thedistance.basecamp.com. Retrieved November 20, 2022.
  7. ^ "PressReader.com – Digital Newspaper & Magazine Subscriptions". www.pressreader.com. Retrieved November 20, 2022.
  8. ^ "Who's Who: Ingrid Kosar". www.pizzamarketplace.com. June 4, 2002. Retrieved November 20, 2022.

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