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Hospitality shoes
The invention process of hospitality shoes:
One day , classmate Wei Qiang and his father went to a friend's house as a guest, and he was stumped as soon as he entered the door: the host's house was carpeted, and it would be rude not to change his shoes. Change your shoes, your feet smell bad again. After returning home, Wei Qiang thought: It would be great if there was a kind of slippers that could be worn without taking off the shoes on the feet! Later, he was inspired by the velcro on travel shoes: attach velcro to the straps of the slippers, snap them on and pull them apart. Can they be adjusted to make them fatter or thinner? So he found a pair of old slippers, cut the loops, sewed on Velcro, and made "hospitality shoes". This small invention won the third prize in the 4th National Youth Invention and Creation Competition.
Analysis:
Wei Qiang’s little invention is just a transplant of Velcro, someone else’s invention, onto slippers, but it gives the slippers a new function, Velcro. It also has a new use, and this little invention has novelty.
2. Creativity
Creativity means that a small invention has outstanding substantive features and significant progress compared with the existing technology of similar products.
Case: Convenient Soap Dish
Convenient Soap Dish
Invention process:
If there is a little water in an ordinary soap dish, the soap will evaporate. It's sticky and difficult to remove, and the soap has a short lifespan. Fan Ping, a student from Tianjin, invented a convenient soap dish using the principle of leverage. Open the soap dish and the soap will stand up. Compared with similar products, it is technically more advanced and won the first prize in the first National Youth Invention and Creation Competition.
3. Practicality
Practiceability means that the invention can be made or used and produce positive effects. Small inventions must be able to be made into real objects, not just ideas or design drawings, but must also be able to solve practical problems in production and life.
Case: Insect-proof tree skirt
Insect-proof tree skirt
Invention process:
Linxian County, Shanxi Province is rich in jujubes, but jujube worms are harmful to Dates are very harmful. Liu Yan carefully observed the growth and activity patterns of jujube worms and found that the female worms would climb up tree trunks to mate with male worms and then damage leaves and fruits. He came up with a way to put a hard plastic piece around half of the tree trunk and apply insecticide ointment on the inner layer to prevent the female insects from getting up the tree. This simple and ingenious insect-proof tree skirt is highly practical and has been welcomed by jujube farmers. It won the first prize in the 6th National Youth Invention Competition.